WO2023140672A1 - 배터리 컨테이너 - Google Patents
배터리 컨테이너 Download PDFInfo
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- WO2023140672A1 WO2023140672A1 PCT/KR2023/000988 KR2023000988W WO2023140672A1 WO 2023140672 A1 WO2023140672 A1 WO 2023140672A1 KR 2023000988 W KR2023000988 W KR 2023000988W WO 2023140672 A1 WO2023140672 A1 WO 2023140672A1
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- Prior art keywords
- container
- battery
- link
- connector
- bus bar
- Prior art date
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/251—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a battery, and more particularly, to a battery container applied to an energy storage system.
- a smart grid system has been proposed.
- the amount of electricity used by consumers is not always constant and can fluctuate from time to time.
- a power management system such as a smart grid system
- it is easy to construct a power management system such as a smart grid system, and it is possible to easily control power supply and demand in a specific region or city.
- such an ESS can be applied to electric charging stations capable of charging electric vehicles.
- a battery container may include a plurality of battery modules connected in series and/or parallel to each other.
- a plurality of battery modules are stacked through a rack frame or a separate fixed structure to configure a battery rack, and one or more battery racks may be accommodated inside the container housing.
- battery containers are required not only for such workability, assemblability, and expandability, but also for various performances such as high energy density and safety against fire.
- an object of the present invention is to provide a battery container having excellent workability, assemblability, expandability, safety, and the like.
- a battery container for achieving the above object includes one or more battery racks equipped with a plurality of battery modules; A container housing having an empty space formed therein to accommodate the battery rack; a plurality of main connectors located on at least one side of the container housing and electrically connected to the outside; and a main bus bar configured to transmit power by being connected between the plurality of main connectors.
- the main bus bar may be configured to transmit DC power.
- main bus bar may be disposed in an inner space of the container housing.
- the plurality of main connectors may be configured to be exposed to the outside of the container housing.
- the plurality of main connectors may be located on an upper side of the container housing.
- the container housing may have a concave connector accommodating portion formed on at least one side thereof, and the main connector may be positioned in the connector accommodating portion of the container housing.
- the connector accommodating portion may be formed to be open in upper and side directions at an upper edge portion of the container housing.
- the battery container according to the present invention may further include a connector cover covering an outside of the connector accommodating portion.
- the battery container according to the present invention configured to be coupled to the side of the connector accommodating portion, may be provided with a link cover configured to surround the link bus bar connected to the main connector.
- the battery container according to the present invention may further include an air conditioning module configured to control air inside the container housing.
- the battery container according to the present invention may further include a venting module configured to discharge internal gas of the container housing to the outside.
- the battery container according to the present invention may further include a fire extinguishing module configured to supply the fire extinguishing fluid supplied from the outside to the battery rack.
- the fire fighting module may be configured to supply the fire extinguishing fluid supplied from the outside to another battery container.
- an energy storage system includes a battery container according to the present invention.
- a battery container excellent in workability, assembly, installation convenience, etc. can be provided.
- a battery container with excellent scalability capable of easily responding to changes in the ESS value chain can be provided.
- a highly differentiated level product solution of an energy storage system can be provided.
- transportation and installation can be made in a state in which the battery module and various accessories are all mounted inside one enclosure. Therefore, on-site installation is minimized along with transportation to the ESS construction area, and expansion convenience can be improved.
- on-site fastening points and installation time can be reduced.
- ground work can be reduced during on-site installation.
- energy density can be improved due to a compact structure.
- PLC Power Line Communication
- a battery container with improved safety in the event of a fire or the like can be provided.
- a battery container having excellent cooling performance may be provided.
- FIG. 1 is a perspective view schematically showing the configuration of a battery container according to an embodiment of the present invention.
- FIG. 2 is a perspective view schematically showing a form in which some components of a battery container according to an embodiment of the present invention are separated or moved.
- Figure 3 is a view of the form viewed from the top of the internal configuration of the battery container according to an embodiment of the present invention.
- FIG. 4 is a top view schematically illustrating a configuration in which two battery containers are connected according to an embodiment of the present invention.
- Fig. 5 is a front view of the configuration of Fig. 4;
- FIG. 6 is an enlarged view of the connector connection portion of FIG. 4 as viewed from above.
- FIG. 7 is a diagram schematically illustrating some connection configurations of an energy storage system including a battery container according to an embodiment of the present invention.
- FIG. 8 is an enlarged view showing a portion where a battery container is connected according to an embodiment of the present invention.
- FIG. 9 is an exploded perspective view schematically illustrating some configurations of a battery container according to another embodiment of the present invention.
- FIG. 10 is a combined perspective view of the configuration of FIG. 9 .
- FIG. 11 is a diagram schematically showing some configurations of a battery container according to another embodiment of the present invention.
- FIG. 12 is a diagram schematically showing some configurations of a battery container according to another embodiment of the present invention.
- FIG. 13 and 14 are diagrams schematically illustrating configurations in which battery containers are connected to each other according to another embodiment of the present invention.
- FIG. 15 is an exploded perspective view schematically illustrating a portion of a battery container according to another embodiment of the present invention.
- FIG. 16 is a partial perspective view schematically illustrating a configuration in which another battery container is coupled to the battery container of FIG. 15 .
- FIG. 17 is a perspective view showing some components of the battery container shown in FIG. 15 in isolation.
- FIG. 18 is a perspective view schematically illustrating the configuration of a battery container according to another embodiment of the present invention.
- 19 is a diagram schematically showing the configuration of an energy storage system constructed by using a plurality of battery containers according to an embodiment of the present invention.
- FIG. 20 is a perspective view schematically illustrating the configuration of a battery container according to another embodiment of the present invention.
- FIG. 21 is an exploded perspective view of a portion of the battery container of FIG. 20 .
- FIG. 22 is a diagram schematically showing some configurations of an energy storage system including a battery container according to another embodiment of the present invention.
- FIG. 23 is an enlarged view of a portion of a battery container according to another embodiment of the present invention.
- 24 is a diagram schematically showing a connection form of a firefighting module for two battery containers according to an embodiment of the present invention.
- the term inner or outer may be used for each component, unless otherwise specified, the inner means a direction toward the central portion in each component, and the outer means the opposite direction.
- FIG. 1 is a perspective view schematically showing the configuration of a battery container 1000 according to an embodiment of the present invention.
- FIG. 2 is a perspective view schematically showing a form in which some components of the battery container 1000 according to an embodiment of the present invention are separated or moved.
- 3 is a view of the internal configuration of the battery container 1000 according to an embodiment of the present invention viewed from the top.
- the battery container 1000 includes a battery rack 100, a container housing 200, a main connector 300 and a main bus bar 400.
- the battery rack 100 may include a plurality of battery modules 110 .
- each battery module 110 may be configured in a form in which a plurality of battery cells (secondary batteries) are accommodated in a module case.
- each battery module 110 may be stacked in one direction, for example, in a vertical direction to form the battery rack 100 .
- a rack case may be provided in the battery rack 100 to facilitate stacking of the battery modules 110 .
- the plurality of battery modules 110 may be accommodated in respective storage spaces provided in the rack case to form a module stack.
- the battery modules 110 included in the battery rack 100 may further include a control unit such as a battery management system (BMS) for each or each predetermined group.
- a control unit such as a battery management system (BMS) for each or each predetermined group.
- BMS battery management system
- a separate pack BMS may be provided for each battery module 110 .
- each battery module 110 may also be referred to as a battery pack. That is, the battery rack 100 may be said to include a plurality of battery packs. Even in various descriptions below, the battery module 110 may be replaced with a battery pack.
- One or more of the battery rack 100 may be included in the battery container 1000 .
- a plurality of battery racks 100 may be included in the battery container 1000 .
- at least one direction such as may be disposed in a horizontal direction.
- the battery container 1000 includes eight battery racks 100, and may be disposed in a number in a left-right direction (X-axis direction) inside the battery container 1000.
- each battery rack 100 may have a separate control unit, such as a rack BMS.
- the rack BMS may be connected to the plurality of pack BMSs, exchange data with the plurality of pack BMSs, and control them.
- the rack BMS may be connected to a separate control device provided outside the battery container 1000, such as a control container.
- the control container may be connected to a rack BMS or a pack BMS of the battery container 1000 to control them or exchange data with them.
- the container housing 200 may accommodate the battery rack 100 in the inner space. More specifically, the container housing 200 may be formed in a substantially rectangular parallelepiped shape, as shown in FIG. 1 and the like. At this time, the container housing 200 may include an upper housing 201, a lower housing, a front housing 203, a rear housing, a left housing 205, and a right housing around the inner space. In addition, the container housing 200 may accommodate the battery rack 100 in an internal space defined by these six unit housings.
- the container housing 200 may be made of a material that secures a certain level of rigidity and stably protects internal components from external physical and chemical factors.
- the container housing 200 may be made of a metal material such as steel or may include such a metal material.
- the container housing may have the same size as or a similar size to a shipping container.
- the container housing may conform to the standard of a ship container predetermined according to the ISO standard or the like.
- a container housing can be designed with the same or similar dimensions as a 20-foot container, or a 40-foot container.
- the size of the container housing may be appropriately designed according to circumstances.
- the size or shape of the container housing may be variously set according to the construction scale, shape, topography, etc. of a system to which the battery container is applied, for example, an energy storage system.
- the present invention may not be limited according to the size or shape of the container housing.
- the main connector 300 may be configured to be electrically connectable to the outside. That is, the main connector 300, with respect to the battery container 1000, another component outside the battery container 1000, for example, another battery container 1000 or a control unit such as a battery system controller (BSC; It may be configured to be connected to a control container equipped with a control unit.
- BSC battery system controller
- a plurality of main connectors 300 may be located on different sides of the container housing 200 . Moreover, the plurality of main connectors 300 may be located on opposite sides of the container housing 200 . For example, referring to the exemplary configurations of FIGS. 1 to 3 , the first connector 301 and the second connector 302 may be provided on left and right sides of the container housing 200 , respectively.
- the main bus bar 400 may be configured to transmit power.
- the main bus bar 400 may be a path through which charging power and discharging power for the battery rack 100 included in the corresponding battery container 1000 are transmitted.
- the main bus bar 400 may be electrically connected to each terminal of the battery module 110 provided in the battery rack 100.
- the main bus bar 400 may be connected to the main connector 300 .
- the main bus bar 400 may be a path through which charging power is transmitted from the main connector 300 to the battery module 110 .
- the main bus bar 400 may be a path through which discharge power is transmitted from the battery module 110 to the main connector 300 .
- the main bus bar 400 may function as a power transmission line between the plurality of main connectors 300 .
- different ends of the main bus bar 400 may be connected to different main connectors 300 .
- the main bus bar 400 may be a power line extending long in one direction, for example, in the left and right directions.
- both ends of the main bus bar 400 may be connected to different main connectors 300, such as the first connector 301 and the second connector 302.
- the main bus bar 400 may be a path for transmitting power between different main connectors 300 , for example, between the first connector 301 and the second connector 302 .
- construction of a battery system including a plurality of battery containers 1000 can be made more easily. This will be described in more detail with further reference to FIGS. 4 to 6 .
- FIG. 4 is a top view schematically illustrating a configuration in which two battery containers 1000 are connected according to an embodiment of the present invention.
- 5 is a front view of the configuration of FIG. 4
- FIG. 6 is an enlarged view of the connector connection portion of FIG. 4 as viewed from above.
- FIG. 6 is an enlarged view of portion A1 in FIG. 4 .
- the two battery containers 1000 may be connected to each other through the main connector 300 .
- the two battery containers 1000 may be disposed so that the sides where the main connectors 300 are provided face each other.
- the sides provided with the main connectors 300 face each other. It can be arranged side by side in the left and right directions in a state of facing each other.
- the two battery containers 1000 may be spaced apart from each other by a predetermined distance in consideration of various factors such as tolerance, convenience of installation, physical damage prevention, and thermal blocking.
- the first container (B-LINK#1) and the second container (B-LINK#2) may be disposed in the left-right direction with a separation distance of 10 cm to 20 cm.
- a separate connecting member may be used to electrically connect the main connector 300 of the first container B-LINK#1 and the main connector 300 of the second container B-LINK#2 to each other.
- a link bus bar as indicated by L1 may be included as a member for connecting power between the battery containers 1000 .
- one end of the link bus bar L1 may be connected to the main connector 300 of the first container B-LINK#1 and the other end may be connected to the main connector 300 of the second container B-LINK#2.
- the link bus bar L1 also has two link bus bars L1, that is, a link bus bar for the positive electrode and a link bus bar for the negative electrode, as shown in FIGS. 4 and 6.
- the link bus bar L1 can connect the main bus bars 400 of different containers.
- the link bus bar L1 may be configured to transfer charging and discharging power between different battery containers 1000.
- the link bus bar L1 may transfer charge/discharge power between the first container B-LINK#1 and the second container B-LINK#2. More specifically, the power for charging the battery rack 100 included in the second container (B-LINK # 2) is, through the link bus bar (L1), the main bus bar 400 of the first container (B-LINK # 1).
- the discharge power for the battery rack 100 of the second container (B-LINK # 2) is transmitted from the main bus bar 400 of the second container (B-LINK # 2) through the link bus bar (L1) to the main bus bar 400 of the first container (B-LINK # 1).
- both ends of the link bus bar L1 are connected to the main connectors 300 of the two battery containers 1000, respectively.
- the power connection configuration can be easily achieved between the two battery containers 1000.
- the battery container 1000 according to the present invention may provide a path through which charging and discharging power for another external battery container 1000 is transmitted.
- the first container (B-LINK#1) may provide a path through which charge/discharge power of the second container (B-LINK#2) is transmitted. Accordingly, a power path for connecting to an external power system or the like may not be separately provided for each battery container 1000 .
- the second container (B-LINK#2) is connected to the first container (B-LINK#1), and the second container (B-LINK#2) does not need to be separately connected to the power system. Accordingly, a long power path for the second container (B-LINK#2) may not be provided. Therefore, in constructing a battery system using a plurality of battery containers 1000, installation convenience and assembly easiness are improved, and costs and work time can be reduced.
- the main bus bar 400 may be configured to transmit DC power as charging/discharging power for the battery container 1000 . That is, power transmitted through the main bus bar 400 may be DC power. This will be described in more detail with further reference to FIG. 7 .
- FIG. 7 is a diagram schematically showing some connection configurations of an energy storage system including a battery container 1000 according to an embodiment of the present invention.
- each battery container 1000 may include a main connector 300, a main bus bar 400, and a plurality of battery racks 100 connected to the main bus bar 400.
- these two battery containers 1000 may be sequentially connected to a control container 2000 indicated by E-LINK and a power conversion system indicated by PCS.
- the PCS may also be referred to as a Power Conditioning System.
- An energy storage system of this type may be connected to the power grid.
- the PCS may be configured such that AC-DC conversion of power is made between the power system and the battery rack 100.
- each battery container 1000 does not need to have its own AC/DC conversion module in the process of exchanging charging and discharging power with the outside. Accordingly, the main bus bar 400 of each battery container 1000 may be configured to transmit DC power as a charge/discharge power.
- a DC power connection configuration between the plurality of battery containers 1000 can be easily implemented by connecting only the main connectors 300 provided to each of the plurality of battery containers 1000 to each other.
- the main bus bars 400 of the plurality of battery containers 1000 are connected in series with each other. That is, the positive connector 310 of the first container B-LINK#1 may be connected to the positive connector 310 of the second container B-LINK#2, and the negative connector 320 of the first container B-LINK#1 may be connected to the negative connector 320 of the second container B-LINK#2.
- the positive bus bar 410 of the first container B-LINK#1 may be connected to the positive bus bar 410 of the second container B-LINK#2, and the negative bus bar 420 of the first container B-LINK#1 may be connected to the negative bus bar 420 of the second container B-LINK#2.
- the battery rack 100 included in each battery container 1000 has a positive terminal connected to the positive bus bar 410 and a negative terminal connected to the negative bus bar 420. Can be connected. Therefore, the battery rack 100 included in the first container (B-LINK # 1) and the battery rack 100 included in the second container (B-LINK # 2) can be said to be connected in parallel with each other.
- the internal configuration of the battery container 1000 can be simplified.
- the second container (B-LINK#2) positioned later than the first container (B-LINK#1) only needs to be connected to the first container (B-LINK#1), and does not need to be directly connected to the PCS or the control container 2000. That is, since the second container (B-LINK#2) can transmit and receive charging and discharging power to and from the control container 2000 using the main bus bar 400 included in the first container (B-LINK#1), there is no need to provide a separately long power path for exchanging charge and discharge power to and from the control container 2000. Accordingly, in this aspect as well, construction of the energy storage system is very easy, and it may be advantageous to reduce costs and shorten the construction period of the system.
- another container such as a third container, may be connected to the right side of the second container (B-LINK#2).
- This third container is also a battery container according to an embodiment of the present invention, and may have a configuration similar to that of the first container (B-LINK#1) and the second container (B-LINK#2).
- the third container may be connected to the main connector 310 provided at the right end of the second container (B-LINK#2).
- the charge/discharge power for the third container may be supplied from the control container 2000 and the PCS side via the first container B-LINK#1 and the second container B-LINK#2, or may be transferred to the control container 2000 and the PCS side.
- expansion convenience may be improved.
- the main bus bar 400 may be disposed in an inner space of the container housing 200 . That is, the main bus bar 400 is buried in the container housing 200 and may not be exposed to the outside. For example, as shown in FIG. 2 , the main bus bar 400 may be located at the bottom of the upper housing 201, particularly at the top of the battery rack 100. That is, it can be said that the main bus bar 400 is built into the space between the battery rack 100 and the upper housing 201 .
- the main bus bar 400 since the main bus bar 400 is configured in a form embedded in the battery container 1000, the main bus bar 400 can be transported and installed only by transporting and installing the battery container 1000.
- external exposure to the power transmission path of the main bus bar 400 can be minimized, thereby reducing the risk of damage to the power transmission path and the possibility of electric leakage. Accordingly, safety of the battery container 1000 or an energy storage system including the same may be improved.
- the main bus bar 400 is located on the upper side of the battery rack 100, so that interference of the battery rack 100 with respect to the main bus bar 400 can be avoided or minimized.
- the ease of manufacture of the battery container 1000 is improved, and the length of the main bus bar 400 can be minimized.
- the main bus bar 400 is configured to be extended in a straight line shape and does not need to have a separate curved section.
- the plurality of main connectors 300 may be configured to be exposed to the outside of the container housing 200 .
- the two main connectors 300 may be exposed to the outside of the container housing 200 .
- the plurality of main connectors 300 may be located on the outer surface of the container housing 200 . That is, the main connector 300 may be provided on an outer wall of the container housing 200, not an inner space.
- connection work to the main connector 300 can be easily performed from the outside of the container housing 200. Accordingly, a connection operation between the battery containers 1000 or a connection operation between the battery container 1000 and the control container 2000 can be performed more easily. Therefore, the installation or expansion convenience of the battery container 1000 can be further improved.
- the main connector 300 may be located on the upper side of the container housing 200 .
- the main connector 300 may be provided on the upper left side and the upper right side of the container housing 200, respectively. In this case, the connection work between the main connectors 300 can be easily performed. This will be described in more detail with reference to FIG. 8 .
- FIG. 8 is an enlarged view of a portion where a battery container 1000 is connected according to an embodiment of the present invention.
- FIG. 8 may be an enlarged perspective view of a portion where two battery containers 1000 shown in FIG. 1 are provided and main connectors 300 are connected to each other.
- a second connector 302 may be provided as a main connector 300 on the right side of the first container B-LINK#1, and a first connector 301 may be provided as the main connector 300 on the left side of the second container B-LINK#2.
- the second connector 302 and the first connector 301 may be located on the upper side of the first container (B-LINK#1) and the second container (B-LINK#2), respectively.
- the second connector 302 and the first connector 301 may be exposed to the outside.
- the worker moves to the upper side of the first container (B-LINK # 1) and the second container (B-LINK # 2), and the second connector 302 and the first connector 301 exposed to the outside.
- the link bus bar (L1) can be easily connected between them.
- an operator does not need to enter the space between the battery containers 1000 to connect the two battery containers 1000 .
- workability is improved and a space between the two battery containers 1000 can be minimized. Therefore, it can contribute to improving the energy density of the energy storage system or reducing the installation space.
- the high-voltage connector since the high-voltage connector is located high from the ground, the risk of flooding or electric leakage can be reduced.
- the size of the battery container 1000 is greater than a certain level, such as a ship container, the possibility of contact with the main connector 300 during movement of a worker is reduced, and thus an electric shock accident or the like can be prevented in advance.
- the main bus bar 400 connected between the main connectors 300 inside one battery container 1000 is also the container housing 200. It is preferable to be located on the upper side of the inner space. In particular, as described in the previous embodiment, the main bus bar 400 may be located on the upper side of the battery rack 100. In this case, by reducing the length of the main bus bar 400 and minimizing interference with the battery rack 100, it may be advantageous to reduce costs or improve productivity when manufacturing the battery container 1000.
- the container housing 200 may have a connector accommodating portion R, as indicated by R in FIG. 1 .
- a plurality of connector accommodating portions R may also be formed.
- the connector accommodating portion R may include a first accommodating portion R1 formed on the left side of the container housing 200 and a second accommodating portion R2 formed on the right side of the container housing 200.
- the connector accommodating portion R may be formed in a concave shape in an inward direction on at least one side of the container housing 200 .
- the main connector 300 may be located in the connector accommodating portion R of the container housing 200 .
- the connector accommodating portion R is a portion formed concave inward in the container housing 200 , it can also be said to correspond to the outer wall portion of the container housing 200 . Therefore, although the main connector 300 is provided on the outer wall of the container housing 200, it can be said that the outer wall of the container housing 200 itself is formed concave inward. Therefore, it can be seen that the main connector 300 is located in a concave portion of the outer wall of the container housing 200 in the inward direction.
- the main connector 300 can be minimized while exposing the main connector 300 to the outside so as to facilitate connection of connecting members including the link bus bar L1 to the main connector 300. Accordingly, it may be advantageous to protect the main connector 300 and the link bus bar L1 connected to the main connector 300 while improving workability or installation convenience when connecting other connecting members to the main connector 300 . That is, since the main connector 300 is located in the concave portion of the container housing 200, called the connector accommodating portion R, the external exposure of the main connector 300 is reduced, so that the main connector 300 or the link bus bar connected thereto The protection performance of the connection portion of L1 can be improved. In addition, in this case, the main connector 300 can be easily protected by separately covering only the open portion of the concave portion.
- the connector accommodating portion R may be located at an upper edge portion of the container housing 200 .
- the second accommodating part R2 of the first container B-LINK#1 may be positioned at an upper right corner of the container housing 200.
- the first accommodating part R1 of the second container B-LINK#2 may be located at an upper left corner of the container housing 200.
- the connector accommodating portion R may be formed such that the main connector 300 is opened in the upper and side directions.
- the lateral direction may be a direction in which another adjacent battery container 1000 is located.
- the second accommodating part R2 of the first container B-LINK#1 may be opened in the upper and right directions. Accordingly, the main connector 300 of the first container B-LINK#1 may be exposed in the upper and right directions.
- the first accommodating part R1 of the second container B-LINK#2 may be configured to be opened in the upper and left directions. Accordingly, the main connector 300 of the second container (B-LINK#2) may be exposed in the upper and left directions.
- FIG. 9 is an exploded perspective view schematically showing some configurations of a battery container 1000 according to another embodiment of the present invention.
- FIG. 9 may be an enlarged view of a left portion of the battery container 1000 according to the present invention.
- FIG. 10 is a combined perspective view of the configuration of FIG. 9 .
- the battery container 1000 may further include a connector cover 500 .
- the connector cover 500 may cover the outside of the connector accommodating portion R. That is, the connector accommodating portion R may be provided in a shape in which the outer wall of the container housing 200 is concave inwardly, and the connector cover 500 may be configured to cover the outside of the concave portion. In particular, the connector cover 500 may be configured to cover the main connector 300 accommodated in the connector accommodating portion R.
- the connector cover 500 may be configured in an open/closeable form to expose or prevent the connector accommodating portion R from being exposed to the outside.
- the connector cover 500 may completely close the connector accommodating portion R so that the main connector 300 is not exposed to the outside.
- the connector cover 500 may expose the main connector 300 to the outside by opening at least a portion of the connector accommodating portion R. At this time, when the main connector 300 is exposed to the outside, the link bus bar L1 or the link line L2 may be connected to the main connector 300 through the exposed portion.
- the connector cover 500 may include at least one of an upper cover 510 and a side cover 520 .
- the upper cover 510 may be configured to close or open an upper portion of the connector accommodating portion R. That is, the upper cover 510 may be configured to cover an upper side open portion, as indicated by OT, among open portions of the first accommodating portion R1.
- the side cover 520 may be configured to close a side opening portion indicated by OS among open portions of the connector accommodating portion R. For example, as shown in FIGS. 9 and 10 , the side cover 520 may be configured to cover a left open portion of the first accommodating portion R1.
- the connector cover 500 may be configured to be at least partially detachable from the connector accommodating portion R of the container housing 200 .
- the upper cover 510 and the side cover 520 may be configured to be completely separable from the connector receiving portion R.
- the upper cover 510 and the side cover 520 close the open portion of the connector accommodating portion R, thereby preventing damage to the main connector 300 or an electric shock accident.
- the top cover 510 and the side cover 520 are separated from the connector accommodating portion R, so that the connector accommodating portion R can be opened. Accordingly, the operator can easily connect a connecting member such as the link bus bar L1 to the main connector 300 through the open portion.
- the connector cover 500 is coupled to the connector accommodating portion R, so that a portion of the connector accommodating portion R is open and the other portion is closed.
- the upper cover 510 is coupled to the connector accommodating portion R again, so that the upper portion of the connector accommodating portion R as indicated by OT can be closed.
- the side of the connector receiving portion R as indicated by OS, is open to provide a passage through which the link bus bar L1 can pass, while the upper portion is closed, so that rainwater, dust, and other foreign substances flowing in from the upper side are blocked. Therefore, after the connection of the battery container 1000 is completed, the main connector 300 and the link bus bar L1 can be protected and electric shock prevention can be contributed.
- FIG. 11 is a diagram schematically showing some configurations of a battery container 1000 according to another embodiment of the present invention.
- the connector cover 500 may be slidable with respect to the container housing 200 .
- the side cover 520 is mounted on the side surface of the container housing 200 and, as indicated by an arrow B2 in FIG. 11 , may be configured to be slidable in a vertical direction (up and down direction).
- the side cover 520 may be configured to open and close the open portion OS of the connector accommodating portion R through such a sliding operation. For example, in the process of transporting the battery container 1000, the side cover 520 may remain in a state of being slid upward to close the side portion of the connector accommodating portion R. And, after the transportation of the battery container 1000 is completed, the side cover 520 is slid downward to expose the side of the connector accommodating portion R, and a connection member such as the link bus bar L1 can be connected.
- the coupling reinforcing portion F may be provided so that the components included in the battery container 1000 of the present invention or components required when constructing an energy storage system using the battery container 1000 are fastened and fixed.
- the coupling reinforcement portion F may allow the connector cover 500 described in the embodiment shown in FIGS. 9 and 10 to be coupled and fixed. More specifically, fastening holes or protrusions, hook configurations, etc. for fastening and fixing the upper cover 510 or the side cover 520 may be provided in the coupling reinforcement part F.
- FIG. 12 is a diagram schematically showing some configurations of a battery container 1000 according to another embodiment of the present invention.
- the connector cover 500 may be hingedly pivotable with respect to the container housing 200 .
- the upper cover 510 like the portion indicated by HT, has one end hinged to the upper surface of the container housing 200, and can be configured to be rotatably movable as indicated by arrows B3 and B3'. Also, the upper cover 510 may be configured to open and close the upper end OT of the open portion of the connector accommodating portion R through this rotational operation. For example, when the battery container 1000 is being transported, the upper cover 510 rotates as indicated by B3, so that the upper end OT of the open portion of the connector accommodating portion R may be maintained in a closed form.
- the upper cover 510 rotates as indicated by B3 ', thereby opening the upper end of the opening portion OT of the connector receiving portion R. Can be opened.
- the operator can easily connect a connecting member such as the link bus bar L1 to the main connector 300 through the upper end opening of the connector accommodating portion R.
- the upper cover 510 rotates as indicated by B3 to close the upper end OT of the open portion of the connector accommodating portion R again.
- the side cover 520 like the portion indicated by HS, has one end hinged to the side surface of the container housing 200, and as indicated by arrows B4 and B4', it can be configured to be rotatably movable.
- the side cover 520 may be configured to open and close the open side surface OS of the connector accommodating portion R through this rotational operation. For example, when the battery container 1000 is being transported, the side cover 520 rotates as indicated by B4 so that the side surface OS of the connector receiving portion R may remain closed.
- the side cover 520 rotates as indicated by B4 ', thereby opening the open portion side surface (OS) of the connector accommodating portion R. Can be opened.
- the operator can easily connect a connecting member such as the link bus bar L1 to the main connector 300 through the side open portion OS of the connector accommodating portion R.
- a connecting member such as the link bus bar L1
- the side cover 520 can remain open.
- the opening and closing of the connector cover 500 can be easily performed, and the connector cover 500 can be continuously coupled to the container housing 200 regardless of the opening and closing operation.
- opening and closing of the connector cover 500 can be more easily performed, and the risk of losing the connector cover 500 can be eliminated.
- 13 and 14 are views schematically showing a configuration in which battery containers 1000 are connected to each other according to another embodiment of the present invention.
- 13 and 14 the right side of the first container (B-LINK#1) and the left side of the second container (B-LINK#2) are shown.
- the left part of the first container (B-LINK#1) may be configured in the same form as the left part of the second container (B-LINK#2) shown in the drawing.
- the right side of the second container (B-LINK#2) may be configured in the same form as the right side of the first container (B-LINK#1) shown in the drawing. That is, the first container (B-LINK#1) and the second container (B-LINK#2) are battery containers according to an embodiment of the present invention, and may be configured in the same form as each other.
- the main connector 300 provided on the right side of the first container B-LINK # 1 and the main connector 300 provided on the left side of the second container B-LINK # 2 can be connected to each other through the link bus bar L1.
- the connector accommodating part R that is, the first accommodating part R1 provided on the left side of the second container B-LINK # 2
- the upper cover 510 and the side cover 520 may be hingedly rotated. Therefore, with the top cover 510 and the side cover 520 open, the operator connects the link bus bar L1 to the main connector 300 of the first container B-LINK#1 and the main connector 300 of the second container B-LINK#2.
- the top cover 510 provided in the first container (B-LINK#1) and the top cover 510 provided in the second container (B-LINK#2) are closed, so that the upper part of the connector accommodation part R of each container can be closed.
- the hinge coupling part HS of the side cover 520 of the second container B-LINK #2 may be located on the upper surface side of the coupling reinforcement part F.
- the side cover 520 of the second container B-LINK#2 in a state where the side cover 520 of the second container B-LINK#2 is seated on the coupling reinforcement part F of the first container B-LINK#1, the side cover 520 may be maintained parallel to the ground. Accordingly, it is possible to suppress rainwater from being directed toward the main connector 300 located on the left or right side.
- At least one connector cover 500 among two interconnected battery containers 1000 may be configured to protrude outward in a horizontal direction.
- the side cover 520 of the second container B-LINK#2 rotates as indicated by arrow B5, and the first container B-LINK#1. It may be configured to protrude in a horizontal direction. In this case, the side cover 520 of the second container B-LINK#2 may cover a space between the second container B-LINK#2 and the first container B-LINK#1. Furthermore, the side cover 520 of the second container B-LINK#2 may be configured to cover a space between the second container B-LINK#2 and the first container B-LINK#1 from an upper portion.
- the upper part of the link bus bar L1 disposed in the space between the second container B-LINK#2 and the first container B-LINK#1 can be covered. Accordingly, the protection effect of the link bus bar L1 or the main connector 300 can be improved. For example, it is possible to prevent snow, rain, dust, or other foreign substances from flowing into the link bus bar L1 or the main connector 300 from the upper part of the link bus bar L1.
- the connector cover 500 configured to protrude outward in the horizontal direction may be configured to be seated on another battery container 1000 .
- the side cover 520 of the second container B-LINK#2 has one end hinged to the second reinforcement part F2, which is the coupling reinforcement part F of the second container B-LINK#2, and the other end can be seated on the first reinforcement part F1, which is the coupling reinforcement part F of the first container B-LINK#1.
- the side cover 520 of the second container B-LINK#2 can be seated.
- the seating portion (D) may be formed in the form of a concave groove downward in the coupling reinforcement portion (F).
- the link bus bar L1 is connected between the main connectors 300 of the two battery containers 1000, the end of the side cover 520 may be seated on the seating portion D.
- the seating portion D may be configured to have various other fastening shapes such as protrusions or hooks.
- the side cover 520 can be stably coupled to other containers. Accordingly, assembly between battery containers can be improved. Also, in this case, protection of the link bus bar L1 or the main connector 300 by the side cover 520 can be more reliably performed.
- the lower end of the side cover 520 rotates upward to open the side opening of the connector accommodating portion R.
- the side cover 520 may be configured such that a hinge coupling portion is provided at the lower end and the upper end rotates downward to open the side opening portion of the connector accommodating portion R.
- the side cover 520 provided in the connector accommodating portion R formed on the right side of the first container B-LINK#1 is hinged at the lower end, and the upper end rotates downward to open the side opening of the connector accommodating portion R.
- the two side covers 520 facing each other that is, the side cover 520 of the first container (B-LINK#1) and the side cover 520 of the second container (B-LINK#2) are configured to open in opposite directions.
- external foreign substances are prevented from being introduced into the electrical connection configuration such as the main connector 300 or the link bus bar L1 during transportation of the battery container 1000 or in a situation where the installation is completed, and electric shock accidents can also be prevented.
- a connection operation between the main connector 300 and the link bus bar L1 can be easily performed.
- FIG. 15 is an exploded perspective view schematically illustrating a portion of a battery container 1000 according to another embodiment of the present invention.
- FIG. 16 is a partial perspective view schematically illustrating a configuration in which another battery container 1000 is coupled to the battery container 1000 of FIG. 15 .
- FIG. 17 is a perspective view showing some components of the battery container 1000 shown in FIG. 15 in isolation.
- the battery container 1000 may further include a link cover 900 .
- the link cover 900 may be configured to be detachable from the outer wall of the container housing 200 .
- the side cover 520 may be attached to the side open portion OS of the connector accommodating portion R.
- the side cover 520 opens the side opening OS, and the link cover 900 may be coupled to the side wall of the container housing 200 so that the hollow V communicates with the side opening OS.
- the link cover 900 may be configured such that one end is coupled to the container housing 200 of the battery container 1000 included therein.
- the other end of the link cover 900 may be configured to be coupled to the container housing 200 of the other battery container 1000 .
- the link cover 900 is a component included in the second container (B-LINK # 2), and the right end of the container housing 200 of the second container (B-LINK # 2). It can be configured to be coupled to the left wall.
- the left end of the link cover 900 is another battery container 1000, for example, the container housing 200 of the first container B-LINK # 1, as in the embodiment of FIG. 16. It can be configured to be coupled to the right wall.
- the link cover 900 may be coupled to the container housing 200 using various fastening methods such as bolting and hook coupling.
- the link cover 900 may be combined in a form surrounding the connector accommodating portion R in the container housing 200, in particular, the side open portion OS of the connector accommodating portion R.
- the link cover 900 has an end portion formed in a substantially square ring shape, and may be coupled to an upper portion, a lower portion, a front portion, and a rear portion, respectively, with respect to the side open portion OS of the connector accommodating portion R.
- the link cover 900 may be configured to surround the link bus bar L1 connected to the main connector 300 while being coupled to the side of the connector accommodating portion R.
- the link bus bar L1 may be connected between the main connector 300 located in the left connector accommodating portion R of the second container B-LINK#2 and the main connector 300 located in the right connector accommodating portion R of the first container B-LINK#1.
- a hollow V is formed in the link cover 900, and the link bus bar L1 may be inserted into the hollow V.
- the link cover 900 may be configured to cover a direction orthogonal to the extending direction of the link bus bar L1.
- the link bus bar L1 extends in the left and right direction between two battery containers 1000 arranged in the left and right directions, and the link cover 900 may be configured to surround the upper, lower, front and rear parts of the link bus bar L1 in a state in which both ends are coupled to the two battery containers 1000.
- the link cover 900 may include a plurality of unit covers.
- the plurality of unit covers may be configured to be separable and coupled to each other.
- each unit cover may be coupled to each other in the process of being mounted on the container housing 200 .
- coupling of the plurality of unit covers may be performed in a manner such as bolting.
- at least some of the plurality of unit covers may be formed with fastening holes for mutual bolting fastening.
- the plurality of unit covers may have a structure such as a protrusion or a groove for mutual insertion and fastening.
- link cover 900 since the link cover 900 is separated into several unit covers, handling and mounting of the link cover 900 can be made more easily.
- overall protection of the link bus bar L1 can be better achieved.
- link cover 900 as a plurality of unit covers, may include a bottom cover 910 and a top cover 920 as shown in FIG. 17 .
- the bottom cover 910 may be configured to protect the lower portion and side portions of the link bus bar L1.
- the bottom cover 910 may have several plate-shaped parts in order to increase coupling while easily forming a space for accommodating the link bus bar L1 therein. More specifically, the bottom cover 910 may include a lower plate for covering the lower portion of the link bus bar L1 and a side plate for covering the side portion of the link bus bar L1. Moreover, the bottom cover 910 may be configured in a bent plate shape.
- the top cover 920 may be configured to protect an upper portion of the link bus bar L1.
- the top cover 920 may include a plate-shaped portion, that is, an upper plate, to cover the upper portion of the link bus bar L1.
- a portion of the top cover 920 may be seated on top of the two battery containers. 16
- the left end of the top cover 920 may be seated on the right upper surface of the container housing 200 of the first container B-LINK#1, and the right end of the top cover 920 may be seated on the left upper surface of the container housing 200 of the second container B-LINK#2.
- the exposed portion of the link bus bar L1 between the two battery containers 1000 can be easily covered.
- the link bus bar L1 connected between the two battery containers 1000 disposed in the left and right directions may be exposed at the top, bottom, front and rear in the space between the two battery containers 1000.
- the bottom cover 910 and the top cover 920 may cover and protect the exposed portions of the link bus bar L1, that is, the upper, lower, front and rear portions.
- the link bus bar L1 and the link cover 900 can be easily assembled.
- the plurality of unit covers constituting the link cover 900 may further include a guide cover 930 as shown in FIG. 17 .
- the guide cover 930 may be coupled to the outside of the container housing 200 .
- the guide cover 930 may be bolted to the container housing 200 .
- coupling holes for bolting each other may be formed in the guide cover 930 and the container housing 200 .
- the guide cover 930 is configured in a substantially C-shape, and can be coupled to the lower and side parts (front part and rear part) of the connector receiving part R in the container housing 200. More specifically, the guide cover 930 may include a horizontal guide part and a vertical guide part.
- the horizontal guide part may be positioned at the lower side of the side opening OS of the connector accommodating part R in the container housing 200
- the vertical guide part may be positioned at the front and rear sides of the side opening OS of the connector accommodating part R.
- two guide covers 930 may be included.
- two guide covers 930 may be included as a unit cover for constituting one link cover 900.
- one guide cover 930 may be coupled to the right surface of the first container B-LINK#1, and the other guide cover 930 may be coupled to the left surface of the second container B-LINK#2.
- FIG. 18 is a perspective view schematically illustrating the configuration of a battery container 1000 according to another embodiment of the present invention.
- three or more connector accommodating portions R may be formed in the battery container 1000 . More specifically, the connector accommodating portion R is formed on the upper side of the container housing 200, and may be formed not only on the left and right sides, but also on the front side and the rear side, respectively.
- the main connector 300 may be provided in each of these four connector accommodating portions R1 to R4.
- the main connectors 300 may be connected to each other through the main bus bar 400 so that power, particularly DC power, flows.
- a connector cover 500 may be provided in each of the connector accommodating portions R1 to R4 to open and close to expose or cover the main connector 300 .
- two different battery containers 1000 may be arranged side by side in the left and right longitudinal directions and connected to each other in a DC link form, as shown in FIGS. 4 and 5 .
- two different battery containers 1000 may be arranged side by side in the front and rear width directions and connected to each other in a DC link form.
- the main connectors 300 of connector accommodating portions R1 and R2 located at both left and right ends may be used.
- the main connectors 300 of connector accommodating portions R3 and R4 located at both front and rear ends may be used. Therefore, the degree of freedom may increase with respect to the overall design form of the energy storage system or the arrangement position of the battery container 1000 .
- both the upper and side portions of the connector accommodating portion R where the unused main connector 300 is located may be covered by the connector cover 500 according to the arrangement state of the battery container 1000.
- the energy storage system may include a battery container 1000, a control container 2000 and a PCS according to the present invention.
- an energy storage system may include six battery containers 1000, two control containers 2000 (E-LINK), and one PCS.
- three battery containers 1000 and one control container 2000 may constitute one link group.
- the energy storage system of FIG. 19 includes two link groups. And, two link groups can be connected to one PCS.
- the three battery containers 1000 may be connected to each other by charging and discharging power paths, that is, DC paths, through respective main connectors 300 located at both left and right ends.
- a link bus bar L1 is connected between the battery containers 1000, such as the portion indicated by A2, as shown in FIGS. 6 to 8, etc., so that a DC link between the battery containers 1000 can be implemented.
- the side cover 520 may open the side open portion OS of the connector accommodating portion R at the portion marked A2.
- the side cover 520 has a side opening portion (OS) of the connector receiving portion R. It may have a closed form.
- OS side opening portion of the connector receiving portion R. It may have a closed form.
- the side opening portion OS is covered by the side cover 520. It may be configured in a closed form.
- the control container 2000 may be a component configured to perform overall control or diagnosis of the three battery containers 1000 (B-LINK) connected to the rear end. That is, in the above implementation configuration, a control configuration for integrally controlling a plurality of battery containers 1000 (B-LINK) may separately exist outside each battery container 1000 (B-LINK).
- the control container 2000 (E-LINK) may include a DC part, an AC part, and a BSC part in order to control the plurality of battery containers 1000.
- each link group the control configuration for the plurality of battery containers 1000 may be integrally provided in the control container 2000 . Accordingly, since control components included in each battery container 1000 may be deleted or reduced, the configuration of the battery container 1000 may be simplified. Meanwhile, each control container 2000 (E-LINK) may be connected to a PCS.
- the battery container 1000 may be connected to the control container 2000 through a link line indicated by L2.
- the link line L2 connected to the control container 2000 may be connected to the main connector of the battery container 1000 .
- the battery container 1000 may further include additional components for connection with the link line L2. This will be described in more detail with further reference to FIGS. 20 and 21 .
- FIG. 20 is a perspective view schematically illustrating the configuration of a battery container 1000 according to another embodiment of the present invention.
- FIG. 21 is an exploded perspective view of a portion of the battery container 1000 of FIG. 20 .
- the battery container 1000 shown in FIG. 21, among the plurality of battery containers 1000 shown in FIG. 19, is directly connected to the control container 2000 in each link group.
- the battery container 1000 may include a terminal bus bar (TB), an insulation panel (IP), and/or a terminal cover (TC).
- TB terminal bus bar
- IP insulation panel
- TC terminal cover
- the terminal bus bar TB may be connected to the side of the main connector 300 directly connected to the control container 2000 .
- the terminal bus bar TB may be connected to the left main connector 300 of the battery container 1000 located at the leftmost side in each link group.
- the other end of the terminal bus bar TB may be connected to the link line L2.
- the terminal bus bar TB may be made of an electrically conductive material. Also, the terminal bus bar TB may be configured in a plate shape. For example, the terminal bus bar TB may be formed in the form of a metal plate. In this case, the terminal bus bar TB can be stably mounted on the outer wall of the container housing 200 . In addition, the terminal bus bar TB may include two terminal bus bars having different polarities, that is, a positive terminal bus bar and a negative terminal bus bar in order to transmit power.
- the terminal bus bar TB extends from the main connector 300 located inside the connector accommodating portion R to the outside of the connector accommodating portion R, and is bent along the outer wall of the container housing 200. It may be configured in a form. In particular, when the main connector 300 is located on the upper side of the container housing 200, the terminal bus bar TB may extend horizontally from the main connector 300 and then be bent downward. In this case, external protrusion of the terminal bus bar TB is suppressed, and a connection operation between the terminal bus bar TB and the link line L2 can be performed more easily. In addition, in this case, since the end of the terminal bus bar TB faces downward, the underground configuration of the link line L2 connected thereto can be more easily implemented.
- the insulation panel IP may electrically insulate between the terminal bus bar TB and the container housing 200 .
- the insulation panel IP may include an electrical insulating material such as rubber, silicon, or plastic.
- the insulation panel IP may be interposed between the terminal bus bar TB and the container housing 200 so that the terminal bus bar TB is separated from the outer surface of the container housing 200 by a predetermined distance.
- the insulating panel IP is made of an elastic material, so that shock or vibration may be suppressed from being transmitted between the terminal bus bar TB and the container housing 200 .
- the terminal cover TC may be configured to protect the terminal bus bar TB.
- the terminal cover TC may be configured to surround the outside of the terminal bus bar TB.
- the terminal cover TC may have a shroud panel as indicated by TC1 and a shroud cover as indicated by TC2.
- the shroud panel TC1 is formed in a substantially square ring shape, and may be configured to surround side surfaces of the terminal bus bar TB, such as upper, lower, front and rear sides.
- the shroud cover (TC2) is configured substantially in a plate shape, it can be configured to cover the open side of the shroud panel (TC1). Accordingly, the shroud cover TC2 may cover the left side of the terminal bus bar.
- the terminal bus bar can be stably protected from external physical and chemical factors.
- the shroud cover TC2 may be separated from the shroud panel TC1. In this case, through the separation of the shroud cover TC2, connection or separation of the terminal bus bar TB, repair work, and the like can be easily performed.
- the battery container 1000 may include a cable cover (CC).
- the cable cover CC may be configured to surround a cable connected to the battery container 1000 .
- a plurality of power cables may be connected to the terminal bus bar (TB) so that power is transmitted.
- the cable cover CC may be located at one end, for example, at the bottom of the terminal cover TC, to protect the plurality of power cables connected to the terminal bus bar TB.
- a data cable may be connected to the battery container 1000 to exchange various data with other external components, such as the control container 2000 .
- the cable cover CC may be configured to protect data cables connected to the battery container 1000 from the outside.
- the cable cover CC is configured such that a hollow is formed in a downward direction from the side surface of the container housing, so that the cable accommodated therein can be exposed to the outside toward the lower side. In this case, it may be advantageous for cable installation, management, undergrounding, and the like.
- the battery container 1000 according to the present invention may further include an air conditioning module 600 as shown in FIGS. 1 and 2 .
- the air conditioning module 600 may be configured to control air inside the container housing 200 .
- the air conditioning module 600 may control the temperature state of the internal air.
- the air conditioning module 600 is configured to circulate air inside the container housing 200, and the temperature of various electronic equipment such as the battery rack 100 included in the battery container 1000 or a rack BMS can be controlled within a certain range.
- the air conditioning module 600 may cool the air inside the container housing 200 .
- the air conditioning module 600 may be configured to absorb heat from air inside the container housing 200 and discharge it to the outside.
- the air conditioning module 600 may be configured to remove dust or foreign substances from the air inside the container housing 200 .
- the air conditioning module 600 may include one or more HVAC (Heating, Ventilation, & Air Conditioning) units.
- the battery container 1000 according to the present invention may have four HVACs.
- the HVAC may allow air to circulate inside the container housing 200 . In this case, it is possible to lower the temperature of the battery rack 100 and reduce the temperature difference between the battery racks 100 or between the battery modules 110 included in the container housing 200 .
- the HVAC may be installed in the door E of the container housing 200 .
- HVAC that is, the air conditioning module 600
- the air conditioning module 600 may be configured in a form penetrating the container housing 200, particularly the door E.
- one surface of the air conditioning module 600 may be exposed to the outside of the container housing 200 and the other surface of the air conditioning module 600 may be exposed to the inside of the container housing 200 .
- the inner surface of the air conditioning module 600 may contact the inner air of the container housing 200 to absorb heat
- the outer surface of the air conditioning module 600 may contact the outer air of the container housing 200 to discharge heat.
- the air conditioning module 600 may be configured to prevent direct contact between inside air and outside air. That is, the air conditioning module 600 may be configured to prevent internal air from being discharged to the outside and preventing external air from being introduced into the inside. Therefore, even if the temperature inside the container housing 200 rises, the air conditioning module 600 may absorb only heat from the inside air and discharge it to the outside without directly discharging the inside air to the outside. According to this configuration, even if a fire or toxic gas occurs inside the battery container 1000, it is discharged to the outside and causes damage to other devices such as other nearby battery containers 1000 or external workers. Can be prevented.
- the battery container 1000 according to the present invention may further include a venting module 700 as shown in FIGS. 1 and 2 .
- the venting module 700 may be configured to operate in an abnormal situation, such as when a venting gas is generated or a fire occurs in a specific battery module 110 . Moreover, the venting module 700 may be configured to discharge such gas to the outside when gas or the like is generated inside the container housing 200 due to a thermal runaway phenomenon of the battery rack 100 or the like. Furthermore, the venting module 700 may be configured to exist in a closed state in a normal state and be switched to an open state in an abnormal state such as a thermal runaway state. In this case, since the venting module 700 performs active ventilation, the venting module 700 may be referred to as an Active Ventilation System (AVS) or include such a system.
- AVS Active Ventilation System
- the venting module 700 does not operate and the air conditioning module 600 may operate under normal circumstances. In this case, during the cooling process, it is possible to prevent foreign matter or moisture from being introduced into the container housing 200 through the venting module 700 .
- the air conditioning module 600 and the venting module 700 are embedded in the battery container 1000, the air conditioning module 600 or the venting module 700 can be transported and installed together only by transporting and installing the battery container 1000. Therefore, on-site installation work for installing the energy storage system can be minimized, and a connection structure can be simplified.
- FIG. 22 is a diagram schematically showing some configurations of an energy storage system including a battery container 1000 according to another embodiment of the present invention.
- 23 is an enlarged view of a portion of the battery container 1000 according to another embodiment of the present invention. In particular, FIG. 23 may be an enlarged view of a lower right portion of the battery container 1000 .
- 24 is a diagram schematically illustrating a connection form of the fire fighting module 800 to the two battery containers 1000 according to an embodiment of the present invention.
- the battery container 1000 may include a fire fighting module 800.
- the fire fighting module 800 may be configured to receive a supply of fire extinguishing liquid from the outside.
- the digestive fluid may be water.
- an external fire extinguishing device 3000 for supplying fire extinguishing liquid (water) to the battery container 1000 may be provided outside the battery container 1000 .
- This external fire fighting device 3000 may be included in the energy storage system according to the present invention.
- the external fire fighting device 3000 may be referred to as a water injection unit (WIU) or a water injection system (WIS).
- WIU water injection unit
- WIS water injection system
- the external fire fighting device 3000 may supply fire extinguishing fluid to the fire fighting module 800 of the battery container 1000.
- the fire fighting module 800 may be configured to supply the fire extinguishing liquid supplied from the external fire fighting device 3000 to the battery rack 100 side.
- the fire fighting module 800 supplies a fire extinguishing liquid, such as water, so that the fire can be prevented or extinguished.
- the firefighting module 800 may include a firefighting connector 810, a firefighting pipe 820, and/or a spray nozzle 830.
- the firefighting connector 810 may be provided in a form exposed to the outer wall of the container housing 200, as shown in A5 in FIG. 1, A6 in FIG. 22, and A7 in FIG. 23. And, to this firefighting connector 810, as shown in FIG. 22, a supply pipe P1 connected to the external firefighting device 3000 may be connected. Therefore, the fire extinguishing fluid supplied from the external fire fighting device 3000 passes through the supply pipe P1. It may be supplied to the inside of the container housing 200 via the firefighting connector 810.
- the firefighting connector 810 may be located at the bottom of the container housing 200. In this case, interference with the main connector 300 or the like located above the container housing 200 can be avoided or minimized.
- the firefighting pipe 820 may include a main pipe 821 and a branch pipe 822 .
- the branch pipe 822 may be configured in a form in which one main pipe 821 is branched into a plurality of pipes.
- the branch pipe 822 may be provided to correspond to each of a plurality of module stacks (formed by stacking a plurality of battery modules 110) horizontally disposed inside the battery container 1000. At this time, one or more stacked modules may constitute the battery rack 100.
- the main pipe 821 may be provided on the lower part of the container housing 200, particularly on the bottom surface.
- the branch pipe 822 may have a shape extending upwardly from the main pipe 821 disposed below.
- the digestive fluid in each branch pipe 822 may be supplied from the bottom to the top. According to this configuration, in the internal space of the branch pipe 822 extending long in the vertical direction, it is possible to ensure that the digestive fluid is fully filled and no empty space exists. Therefore, it is possible to ensure that the extinguishing liquid is sufficiently supplied to any battery module 110 among the battery modules 110 stacked in the vertical direction.
- the main pipe 821 and/or the branch pipe 822 may be maintained filled with digestive fluid. In this case, in the event of a fire, it may be possible to quickly supply the extinguishing fluid.
- the extinguishing liquid can be quickly supplied to the corresponding battery module 110.
- the fire extinguishing fluid is not supplied to other battery modules 110 that are normal, and the fire extinguishing fluid may be intensively injected into the battery module 110 having a problem. Therefore, damage to the normal battery module 110 included in the battery container 1000 can be minimized, while normal or emergency operation of the battery container 1000 can be made possible.
- the external fire extinguishing device 3000 may be configured to supply fire extinguishing fluid to the battery container 1000 and recover the supplied fire extinguishing fluid in a normal situation or an abnormal situation.
- the external fire extinguishing device 3000 may recover the fire extinguishing fluid from the battery container 1000 through a recovery pipe indicated as P1'.
- the battery container 1000 may include a separate firefighting connector 810 at a portion marked A6'. In this case, it can be seen that the part marked A6 functions as an inlet, and the part marked A6' functions as an outlet.
- the fire fighting module 800 may be configured to supply the fire extinguishing fluid supplied from the outside to another battery container 1000.
- the left container of FIG. 24 is the first container (B-LINK#1) and may be said to represent the right part of the container shown in FIG. 22 .
- the right part of the battery container 1000 of FIG. 23 may be applied to the right part of the first container B-LINK#1 of FIG. 24 .
- the A7 portion provided with the firefighting connector 810 in FIG. 23 may be referred to as a configuration applied to the portion denoted A7 in the same manner as in FIG. 24 .
- the container on the right side of FIG. 24 is the second container (B-LINK#2), and may have the same firefighting module 800 configuration as the battery container 1000 of FIG. 22 .
- a firefighting connector 810 may be provided in the same or similar form as the portion indicated by A6 in FIG. 22 at the portion indicated by A8.
- the two battery containers 1000 shown in FIG. 24 are battery containers according to an embodiment of the present invention, and may be configured in the same form as each other, and may not be manufactured separately. Therefore, an energy storage system can be constructed using only the same type of battery container 1000, and compatibility can be achieved no matter where the battery container 1000 is located.
- the second container (B-LINK#2) may receive digestive fluid from the first container (B-LINK#1) through the connection pipe (P2). More specifically, the fire extinguishing liquid supplied from the external firefighting device 3000 through the main pipe 821 of the first container (B-LINK # 1) via the connection pipe (P2), the second container (B-LINK # 2) It may be delivered to the main pipe 821. The digestive fluid delivered to the main pipe 821 of the second container B-LINK#2 may be supplied to the branch pipe 822 of the second container B-LINK#2.
- a configuration for supplying a fire extinguishing liquid to each battery container 1000 can be easily achieved.
- the supply pipe P1 from each battery container 1000 to the external fire fighting device 3000 does not need to be provided separately. Therefore, when constructing an energy storage system, the structure or installation of firefighting equipment can be made simpler.
- the supply pipe P1 is connected to the battery container 1000 closest to the external firefighting device 3000, and the external firefighting device individually for each other battery container 1000. There is no need for the supply pipe P1 to be directly connected to the 3000. Therefore, the length of the supply pipe P1 for supplying the fire extinguishing liquid from the external fire fighting device 3000 to the battery container 100 can be shortened.
- safety of the battery container 1000 against fire is improved, and installation convenience and fairness for implementing such a safety-enhancing structure may be improved.
- costs and time for preparing firefighting equipment can be reduced.
- the fire-fighting module 800 already in the form of being embedded in the battery container 1000 can be used. Accordingly, when the scale of the energy storage system is expanded, safety facilities against fire can be quickly and conveniently provided.
- the battery container 1000 may further include a communication terminal.
- the communication terminal may be provided to transmit and/or receive various types of information or data with other external components.
- the communication terminal of the battery container 1000 may be connected to the control container 2000, another battery container 1000, and/or an external firefighting device 3000 through a communication cable.
- the communication cable may be the data cable previously described with reference to FIGS. 20 and 21 .
- a communication terminal may be provided on one side of the battery container 1000 .
- the communication terminal may be provided at a portion indicated as A9 in FIG. 1 .
- the communication terminal may be exposed to the outside or covered by a door E provided in the container housing 200 or a separate cover.
- the communication terminal may be connected to a DC/communication cable connected to the external fire fighting device 3000.
- the external fire fighting device 3000 and the operating power and / or signal may be transmitted through the cable.
- a DC/communication cable may be connected between the two battery containers 1000 through a communication terminal.
- operating power or communication signals may be exchanged between the two battery containers 1000 through the connection configuration between the communication terminals.
- the battery container 1000 may have its own fire extinguishing system, apart from the fire fighting module 800 described above with reference to FIGS. 22 to 24 .
- the battery container 1000 may include a built-in fire extinguishing module configured to spray an extinguishing material such as Novec-1230 after detecting an abnormal situation such as a fire through a temperature sensor or a smoke sensor.
- the battery container 1000 according to the present invention may further include a display module for displaying information about the state of the battery container 1000 .
- the battery container 1000 according to the present invention is a display module for indicating a normal state or an abnormal state such as failure, overheating, fire, overcharging, overdischarging, etc., and may include a warning sound generating device or a display device.
- the battery container 1000 may further include various other components known at the time of filing of the present invention.
- the battery container 1000 may further include an electric unit such as an AC/DC panel.
- the battery container 1000 may include one or more control modules.
- the control module may be configured to control charging/discharging operations of the battery module 110 included in the battery container 1000 or exchange data with other components outside the battery container 1000 .
- the control module may be a rack BMS included in each battery rack 100 .
- a plurality of battery systems and a plurality of control modules may be included in the battery container 1000 .
- the battery system may be provided with one or more battery racks (100).
- each battery system includes a separate control module to independently control the corresponding battery system.
- the energy storage system according to the present invention includes the battery container 1000 according to the present invention described above. Moreover, the energy storage system according to the present invention may include two or more battery containers 1000 . At this time, since the above-described contents and the like may be applied to the battery container 1000 included in the energy storage system according to the present invention or its connection configuration, a separate detailed description thereof will be omitted.
- the energy storage system may further include a control container 2000 for controlling various operations such as charging and discharging operations of one or more battery containers 1000 in addition to the battery container 1000 .
- the energy storage system according to the present invention may further include the above-described external fire fighting device 3000, PCS, and the like.
- 810 firefighting connector
- 820 firefighting pipe
- 830 injection nozzle
- R, R1, R2 connector receiving part
- TB terminal busbar
- TC terminal cover
- TC1 shroud panel
- TC2 shroud cover
- P1 supply pipe
- P1' return pipe
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Description
Claims (14)
- 다수의 배터리 모듈이 구비된 하나 이상의 배터리 랙;내부에 빈 공간이 형성되어 상기 배터리 랙을 수납하는 컨테이너 하우징;상기 컨테이너 하우징의 적어도 일측에 위치하여 외부와 전기적으로 연결 가능하도록 구성된 다수의 메인 커넥터; 및상기 다수의 메인 커넥터 사이에 연결되어 전원을 전송할 수 있도록 구성된 메인 버스바를 포함하는 것을 특징으로 하는 배터리 컨테이너.
- 제1항에 있어서,상기 메인 버스바는, DC 전원을 전송할 수 있도록 구성된 것을 특징으로 하는 배터리 컨테이너.
- 제1항에 있어서,상기 메인 버스바는, 상기 컨테이너 하우징의 내부 공간에 배치된 것을 특징으로 하는 배터리 컨테이너.
- 제1항에 있어서,상기 다수의 메인 커넥터는, 상기 컨테이너 하우징의 외부로 노출 가능하게 구성된 것을 특징으로 하는 배터리 컨테이너.
- 제1항에 있어서,상기 다수의 메인 커넥터는, 상기 컨테이너 하우징의 상부 측에 위치하는 것을 특징으로 하는 배터리 컨테이너.
- 제1항에 있어서,상기 컨테이너 하우징은 적어도 일측에 오목한 형태의 커넥터 수용부가 형성되고, 상기 메인 커넥터는 상기 컨테이너 하우징의 커넥터 수용부에 위치하는 것을 특징으로 하는 배터리 컨테이너.
- 제6항에 있어서,상기 커넥터 수용부는, 상기 컨테이너 하우징의 상단 모서리 부분에서, 상부 및 측부 방향으로 개방되게 형성된 것을 특징으로 하는 배터리 컨테이너.
- 제6항에 있어서,상기 커넥터 수용부의 외측을 커버하는 커넥터 커버를 더 포함하는 것을 특징으로 하는 배터리 컨테이너.
- 제6항에 있어서,상기 커넥터 수용부의 측부에 결합 가능하게 구성되어, 상기 메인 커넥터에 연결되는 링크 버스바를 둘러싸도록 구성된 링크 커버를 구비하는 것을 특징으로 하는 배터리 컨테이너.
- 제1항에 있어서,상기 컨테이너 하우징의 내부 공기를 조절하도록 구성된 공조 모듈을 더 포함하는 것을 특징으로 하는 배터리 컨테이너.
- 제1항에 있어서,상기 컨테이너 하우징의 내부 가스를 외부로 배출할 수 있도록 구성된 벤팅 모듈을 더 포함하는 것을 특징으로 하는 배터리 컨테이너.
- 제1항에 있어서,외부로부터 공급된 소화액을 상기 배터리 랙으로 공급할 수 있도록 구성된 소방 모듈을 더 포함하는 것을 특징으로 하는 배터리 컨테이너.
- 제12항에 있어서,상기 소방 모듈은, 상기 외부로부터 공급된 소화액을 다른 배터리 컨테이너로 공급할 수 있도록 구성된 것을 특징으로 하는 배터리 컨테이너.
- 제1항 내지 제13항 중 어느 한 항에 따른 배터리 컨테이너를 포함하는 에너지 저장 시스템.
Priority Applications (3)
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CN202380012985.7A CN117716565A (zh) | 2022-01-19 | 2023-01-19 | 电池集装箱 |
EP23743516.9A EP4358237A1 (en) | 2022-01-19 | 2023-01-19 | Battery container |
AU2023208592A AU2023208592A1 (en) | 2022-01-19 | 2023-01-19 | Battery container |
Applications Claiming Priority (2)
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KR10-2022-0008035 | 2022-01-19 | ||
KR20220008035 | 2022-01-19 |
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WO2023140672A1 true WO2023140672A1 (ko) | 2023-07-27 |
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PCT/KR2023/000988 WO2023140672A1 (ko) | 2022-01-19 | 2023-01-19 | 배터리 컨테이너 |
Country Status (5)
Country | Link |
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EP (1) | EP4358237A1 (ko) |
KR (1) | KR20230112086A (ko) |
CN (1) | CN117716565A (ko) |
AU (1) | AU2023208592A1 (ko) |
WO (1) | WO2023140672A1 (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20200028619A (ko) * | 2018-09-07 | 2020-03-17 | 주식회사 주왕산업 | 대전류 부스바가 내장된 ess 랙 시스템 |
WO2020112618A1 (en) * | 2018-11-28 | 2020-06-04 | Cadenza Innovation, Inc. | Modular battery system |
KR20210056268A (ko) * | 2019-11-08 | 2021-05-18 | 주식회사 엘지화학 | 배터리 랙 및 이를 포함하는 전력 저장 장치 |
KR102277341B1 (ko) * | 2021-03-08 | 2021-07-14 | 주식회사 인투알 | 배터리 모듈 랙하우징의 연결 구조 |
CN214411360U (zh) * | 2021-03-04 | 2021-10-15 | 江苏天合储能有限公司 | 一种户外储能柜及储能系统 |
KR20220008035A (ko) | 2020-07-13 | 2022-01-20 | 삼성전자주식회사 | 위조 지문 검출 방법 및 장치 |
-
2023
- 2023-01-19 EP EP23743516.9A patent/EP4358237A1/en active Pending
- 2023-01-19 WO PCT/KR2023/000988 patent/WO2023140672A1/ko active Application Filing
- 2023-01-19 CN CN202380012985.7A patent/CN117716565A/zh active Pending
- 2023-01-19 KR KR1020230008344A patent/KR20230112086A/ko active Search and Examination
- 2023-01-19 AU AU2023208592A patent/AU2023208592A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20200028619A (ko) * | 2018-09-07 | 2020-03-17 | 주식회사 주왕산업 | 대전류 부스바가 내장된 ess 랙 시스템 |
WO2020112618A1 (en) * | 2018-11-28 | 2020-06-04 | Cadenza Innovation, Inc. | Modular battery system |
KR20210056268A (ko) * | 2019-11-08 | 2021-05-18 | 주식회사 엘지화학 | 배터리 랙 및 이를 포함하는 전력 저장 장치 |
KR20220008035A (ko) | 2020-07-13 | 2022-01-20 | 삼성전자주식회사 | 위조 지문 검출 방법 및 장치 |
CN214411360U (zh) * | 2021-03-04 | 2021-10-15 | 江苏天合储能有限公司 | 一种户外储能柜及储能系统 |
KR102277341B1 (ko) * | 2021-03-08 | 2021-07-14 | 주식회사 인투알 | 배터리 모듈 랙하우징의 연결 구조 |
Also Published As
Publication number | Publication date |
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EP4358237A1 (en) | 2024-04-24 |
KR20230112086A (ko) | 2023-07-26 |
AU2023208592A1 (en) | 2024-02-01 |
CN117716565A (zh) | 2024-03-15 |
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