CN116918147A - Energy storage container combined structure and transportation method of energy storage system - Google Patents
Energy storage container combined structure and transportation method of energy storage system Download PDFInfo
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- CN116918147A CN116918147A CN202180094491.9A CN202180094491A CN116918147A CN 116918147 A CN116918147 A CN 116918147A CN 202180094491 A CN202180094491 A CN 202180094491A CN 116918147 A CN116918147 A CN 116918147A
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- energy storage
- storage container
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- container
- frame
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- 238000004146 energy storage Methods 0.000 title claims abstract description 318
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000306 component Substances 0.000 description 19
- 230000000712 assembly Effects 0.000 description 10
- 238000000429 assembly Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 7
- 239000007774 positive electrode material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000007773 negative electrode material Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000006183 anode active material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- VVNXEADCOVSAER-UHFFFAOYSA-N lithium sodium Chemical compound [Li].[Na] VVNXEADCOVSAER-UHFFFAOYSA-N 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/02—Large containers rigid
- B65D88/12—Large containers rigid specially adapted for transport
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The embodiment of the application relates to an energy storage container combined structure and a transportation method of an energy storage system, wherein the energy storage container combined structure comprises an energy storage container and a frame assembly, and a battery is contained in the energy storage container; the frame assembly is connected with the energy storage container to form an energy storage container combined structure, and a container corner fitting assembly is arranged on the frame assembly; wherein the size of the energy storage container combination structure is greater than the size of the energy storage container in at least one of the first direction, the second direction, or the third direction; the first direction, the second direction and the third direction are perpendicular to each other. The energy storage container combination structure provided by the embodiment of the application can obviously improve the energy density.
Description
The application relates to the technical field of batteries, in particular to an energy storage container combined structure and a transportation method of an energy storage system.
The energy storage system is electric energy storage and transfer equipment, a battery is arranged in the energy storage system, and the energy storage system has the characteristics of convenience in installation and transportation, high integration level, small occupied area and good expansibility, and is an important component for the development of distributed energy, smart power grids and energy Internet in the energy storage field.
The greater the number of cells in an energy storage system, the higher the energy density, and how to increase the overall energy density of the transportable energy storage system is a challenge.
Disclosure of Invention
The application provides an energy storage container combined structure and a transportation method of an energy storage system, and aims to improve the energy density of the energy storage system.
In a first aspect, an embodiment of the present application provides an energy storage container assembly structure, where the energy storage container assembly structure includes an energy storage container and a frame assembly, and the energy storage container contains a battery; the frame assembly is connected with the energy storage container to form an energy storage container combined structure, and a container corner fitting assembly is arranged on the frame assembly; wherein the size of the energy storage container combination structure is greater than the size of the energy storage container in at least one of the first direction, the second direction, or the third direction; the first direction, the second direction and the third direction are perpendicular to each other.
In the technical scheme, the energy storage container is directly used as the transportation box body, the energy storage container is not required to be arranged in a standard container, the number of batteries can be expanded, and the energy density of the energy storage container is improved. The energy storage container is sized to be non-compliant with ISO international standards in at least one of the first, second or third directions by being connected to the frame assembly to extend the size to be compliant with ISO international standards. The frame component is lighter in weight, and has small contribution to the overall weight of the energy storage container combined structure, so that the further expansion of the number of batteries in the energy storage container is facilitated, and the energy density of the energy storage container is further improved. The energy storage container combined structure of the embodiment of the application accords with the ISO international standard, can be directly transported, is not limited by the holding quantity of the existing standard container, and can be produced according to the production requirement.
In some embodiments, the frame assembly is one, disposed on one side of the energy storage container in a first direction; or the two frame components are respectively arranged at two sides of the first direction of the energy storage container. In the embodiment of the application, one frame assembly is beneficial to the assembly of the frame assembly and the energy storage container, and the combined structure of the energy storage container can be simplified. The two frame components are respectively arranged on two sides of the energy storage container, the weight distribution of the energy storage container combined structure is uniform, and the structural stability of the energy storage container combined structure is improved.
In some embodiments, the container corner fitting assembly is disposed on a side of the frame assembly that is remote from the energy storage container in the first direction. In the embodiment of the application, the container corner fitting assembly is arranged on the frame assembly, which is beneficial to the operations such as lifting, carrying, fixing and the like of the energy storage container combined structure.
In some embodiments, the container corner fitting assembly comprises four container corner fittings, the four container corner fittings comprising two first corner fittings and two second corner fittings, the first corner fittings and the second corner fittings being symmetrically disposed in a second direction, the two first corner fittings being symmetrically disposed in a third direction, the two second corner fittings being symmetrically disposed in the third direction. In an embodiment of the application, the four ends of the frame assembly are each provided with corner pieces, namely a first corner piece and a second corner piece. The four end parts are respectively two top parts and two bottom parts, and the two top parts are respectively provided with a first corner fitting and a second corner fitting, so that the operation such as lifting and carrying of the energy storage container combined structure is facilitated; the two bottoms are respectively provided with a first corner fitting and a second corner fitting, which is beneficial to fixing the energy storage container combined structure and the transportation carrier.
In some embodiments, the dimension between the symmetrical one first corner piece and one second corner piece in the second direction is greater than or equal to the dimension of the energy storage container. In the embodiment of the application, the energy storage container connecting frame assembly forms an energy storage container combined structure, and the dimension of the energy storage container along the first direction is prolonged so that the dimension of the energy storage container combined structure along the first direction meets the ISO international standard, and the dimension of the energy storage container combined structure along the second direction also meets the ISO international standard.
In some embodiments, in the third direction, a dimension between the two first corner pieces is greater than or equal to a dimension of the energy storage container; and in a third direction, the dimension between the two second corner pieces is greater than or equal to the dimension of the energy storage container. In the embodiment of the application, the energy storage container connecting frame assembly forms an energy storage container combined structure, and the dimension of the energy storage container along the first direction is prolonged so that the dimension of the energy storage container combined structure along the first direction meets the ISO international standard, and the dimension of the energy storage container combined structure along the third direction also meets the ISO international standard.
In some embodiments, the frame assembly further comprises a plurality of first bars and a bezel; the first cross bars extend along a first direction and are respectively connected with the energy storage container and the side frames; four container corner fittings are provided on the side frames. In the embodiment of the application, the frame component has a relatively simple structure and lighter self weight, and can reduce the contribution of the frame component to the integral weight of the energy storage container combined structure, thereby improving the number of batteries of the energy storage container and further improving the energy density of the energy storage container.
In some embodiments, the bezel frame includes two second bars and two vertical bars; the two second cross bars extend along the second direction, the two vertical bars extend along the third direction, and the two cross bars are connected with the two vertical bars; four container corner fittings are provided on the second cross bar and/or the vertical bar. In the embodiment of the application, the side frames are of a frame structure, and the side frames are light in weight.
In some embodiments, the frame assembly further comprises a plurality of diagonal bars disposed between the first rail and the jamb frame and/or between the adjacent second rail and the vertical bar. In the embodiment of the application, the diagonal rods can play a role in strengthening so as to improve the strength of the frame assembly and improve the structural stability of the frame assembly.
In some embodiments, the energy storage container and the frame assembly are detachably connected. In the embodiment of the application, after the energy storage container combined structure is transported to the user side, the frame component of the energy storage container combined structure can be removed, and the energy storage container and the control cabinet are connected for use, so that the occupied space is reduced.
In a second aspect, an embodiment of the present application further provides a method for transporting an energy storage system, where the energy storage system includes an energy storage container, and the method includes: providing an energy storage container, wherein a plurality of battery monomers are accommodated in the energy storage container; providing a frame assembly; connecting the frame assembly to the energy storage container to form an energy storage container composite structure meeting standard container dimensions; a combined structure of a transportation energy storage container.
In the technical scheme, the energy storage container and the frame assembly are connected and form the energy storage container combined structure for transportation, the size of the energy storage container combined structure meets the ISO international standard, the energy storage container can be directly transported, the number of batteries in the energy storage container can be obviously increased, and the energy density of the energy storage container can be improved.
In some embodiments, after the step of transporting the energy storage container assembly; disconnecting the frame assembly from the energy storage container and removing the frame assembly. In the embodiment of the application, the frame component is detachably connected with the energy storage container, and after the energy storage container combined structure is transported to a user side, the frame component of the energy storage container combined structure can be removed, and the energy storage container is connected with the control cabinet for use, so that occupied space is reduced.
In some embodiments, the energy storage system further comprises a control cabinet; the method further comprises a transport control cabinet; and connecting the control cabinet and the energy storage container to form an energy storage system. In the embodiment of the application, the control cabinet and the energy storage container are independently transported, so that the transportation efficiency can be improved.
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of an energy storage container assembly structure according to some embodiments of the present application;
fig. 2 is a schematic view of a battery according to some embodiments of the present application;
fig. 3 is an exploded view of a battery cell of a battery provided in some embodiments of the application;
FIG. 4 is a schematic view of an energy storage container assembly according to further embodiments of the present application;
FIG. 5 is a schematic view of the energy storage container assembly of FIG. 4 at another angle;
FIG. 6 is a schematic view of an energy storage container assembly according to further embodiments of the present application;
fig. 7 is a schematic view of the energy storage container assembly of fig. 6 at another angle.
FIG. 8 is a schematic block diagram of an energy storage system provided by some embodiments of the present application;
FIG. 9 is a flow chart of a method of transporting an energy storage system according to some embodiments of the present application;
FIG. 10 is a flow chart illustrating a method of transporting an energy storage system according to further embodiments of the present application;
FIG. 11 is a flow chart of a method of transporting an energy storage system according to further embodiments of the present application;
in the drawings, the drawings are not necessarily to scale.
Wherein, each reference sign in the figure:
x, a first direction; y, second direction; z, third direction;
1. energy storage container composite structure
10. An energy storage container;
110. a battery; 111. a battery cell;
20. a frame assembly; 21. a first cross bar; 22. a side frame; 221. a second cross bar; 222. a vertical rod; 23. diagonal rod
30. A container corner fitting assembly; 310. a first corner fitting; 320. a second corner fitting;
2. an energy storage system;
200. and a control cabinet.
Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the application and are not intended to limit the scope of the application, i.e., the application is not limited to the embodiments described.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The term "and/or" in the present application is merely an association relation describing the association object, and indicates that three kinds of relations may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In the present application, the character "/" generally indicates that the front and rear related objects are an or relationship.
In the embodiments of the present application, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.
The term "plurality" as used herein refers to two or more (including two).
In the present application, the battery cells may include a lithium ion secondary battery cell, a lithium ion primary battery cell, a lithium sulfur battery cell, a sodium lithium ion battery cell, a sodium ion battery cell, or a magnesium ion battery cell, which is not limited in the embodiment of the present application. The battery cell may be in a cylindrical shape, a flat shape, a rectangular parallelepiped shape, or other shapes, which is not limited in this embodiment of the application. The battery cells are generally classified into three types according to the packaging method: the cylindrical battery cell, the square battery cell and the soft package battery cell are not limited in this embodiment.
The battery cell includes an electrode assembly and an electrolyte, the electrode assembly including a positive electrode tab, a negative electrode tab, and a separator. The battery cell mainly relies on metal ions to move between the positive pole piece and the negative pole piece to work. The positive electrode plate comprises a positive electrode current collector and a positive electrode active material layer, and the positive electrode active material layer is coated on the surface of the positive electrode current collector; the positive current collector comprises a positive current collecting part and a positive protruding part protruding out of the positive current collecting part, the positive current collecting part is coated with a positive active material layer, at least part of the positive protruding part is not coated with the positive active material layer, and the positive protruding part is used as a positive lug. Taking a lithium ion battery as an example, the material of the positive electrode current collector may be aluminum, the positive electrode active material layer includes a positive electrode active material, and the positive electrode active material may be lithium cobaltate, lithium iron phosphate, ternary lithium, lithium manganate or the like. The negative electrode plate comprises a negative electrode current collector and a negative electrode active material layer, and the negative electrode active material layer is coated on the surface of the negative electrode current collector; the negative current collector comprises a negative current collecting part and a negative convex part protruding out of the negative current collecting part, wherein the negative current collecting part is coated with a negative active material layer, at least part of the negative convex part is not coated with the negative active material layer, and the negative convex part is used as a negative tab. The material of the anode current collector may be copper, the anode active material layer includes an anode active material, and the anode active material may be carbon or silicon, or the like. In order to ensure that the high current is passed without fusing, the number of positive electrode lugs is multiple and stacked together, and the number of negative electrode lugs is multiple and stacked together. The material of the separator may be PP (polypropylene) or PE (polyethylene), etc.
Reference to a battery in accordance with an embodiment of the application is to a single physical module that includes one or more battery cells to provide higher voltages and numbers, and illustratively, the battery is made up of multiple battery cells in series and/or parallel. For example, the battery referred to in the present application may include a battery module or a battery pack, or the like. The battery generally includes a case for enclosing one or more battery cells. The case body can prevent liquid or other foreign matters from affecting the charge or discharge of the battery cells.
The energy storage system is a device integrating a battery and a control cabinet, the control cabinet is connected with the battery in a coupling way, the battery is managed, the storage and output of electric energy are realized by utilizing the conversion between electric energy and chemical energy, the battery can be used as a standby power supply, peak clipping and valley filling are carried out when the power supply of the power system is uneven, or frequency modulation is carried out when the load or the power generation of the power system is large, or the battery is applied to a light-storage power generation system.
The energy storage system is transported from a production side (manufacturer) to a user side (consumer), and for the convenience of transportation, the battery is placed in a battery compartment, and the battery compartment and the control cabinet are integrated into a whole to form a prefabricated compartment and then placed in a standard container. The standard container is required to meet international standards defined by the international organization for standardization ISO, in which the dimensions of the standard container are specified, including the length, width and height of the standard container; and the nominal weight of a standard container is defined.
The inventors have found that the prefabricated compartment is limited by the size and weight rating of the standard container and that the number of batteries provided in the prefabricated compartment is limited, resulting in a relatively low number of batteries in the battery compartment. Based on the above problems, the inventor considers that the battery compartment and the control cabinet are independently arranged, and are transported independently, and are matched for use after being transported to a user side. After the battery compartment and the control cabinet are independently arranged, the size and the weight of the battery compartment can be expanded, so that the number of batteries in the battery compartment can be increased. However, the expanded battery compartment still needs to be placed in the container, the container has a certain weight, and the size of the expanded battery compartment may need to be far smaller than the assembly size inside the container on the premise that the rated weight of the standard container is met due to the relatively large weight of the battery, in other words, the expanded battery compartment is still limited by the internal space of the standard container, so that the number of batteries of the battery compartment cannot be significantly increased, and the overall energy density of the energy storage system is low.
Based on the above-mentioned problems found by the inventors, the inventors have improved and proposed an energy storage container combination structure which can be applied to the loading and transportation of other articles with relatively large weight in addition to the energy storage of a battery, and embodiments of the present application will be further described below.
For a better understanding of the present application, embodiments of the present application are described below with reference to fig. 1 to 11.
The embodiment of the application provides an energy storage container combined structure.
Fig. 1 is a schematic structural diagram of an energy storage container assembly structure according to some embodiments of the present application, fig. 2 is a schematic structural diagram of a battery according to some embodiments of the present application, and fig. 3 is an exploded schematic diagram of a battery cell of the battery according to some embodiments of the present application.
As shown in fig. 1 to 3, an energy storage container assembly 1 provided by an embodiment of the present application includes an energy storage container 10 and a frame assembly 20. The interior of the energy storage container 10 houses a battery 110. The frame assembly 20 is connected to the energy storage container 10 to form the energy storage container assembly 1, and the container corner fitting assembly 30 is provided on the frame assembly 20. The size of the energy storage container combination 1 is larger than the size of the energy storage container 10 in at least one of the first direction X, the second direction Y or the third direction Z.
In fig. 1, the X direction represents a first direction, the Y direction represents a second direction, the Z direction represents a third direction, and the first direction X, the second direction Y, and the third direction Z are perpendicular to each other. In view of the fact that the standard container is basically of a cuboid structure, the three-dimensional size of the energy storage container combined structure 1 is described by adopting a three-dimensional coordinate system formed by the first direction X, the second direction Y and the third direction Z in the application. The first direction X may represent any one of a length direction, a width direction, and a height direction of the energy storage container combination structure 1, and, illustratively, the first direction X, the second direction Y, and the third direction Z may represent the length direction, the width direction, and the height direction of the energy storage container combination structure 1, respectively. Of course, the first direction X, the second direction Y and the third direction Z may also represent the width direction, the length direction and the height direction of the energy storage container combination 1. The above is merely an exemplary illustration of directions and is not intended to limit the specific directions of the first direction X, the second direction Y, and the third direction Z of the present application.
The battery 110 is provided in the energy storage container 10, and the external structure of the energy storage container 10 is a box structure, in other words, the box structure has a hollow cavity for accommodating the battery 110.
The box structure can be multiple shapes, can formulate according to the demand of user side, for example, cylinder, cuboid or square etc.. Illustratively, the box structure is a cuboid structure, which is relatively close to the shape of a standard container, and is beneficial to transportation and assembly.
The energy storage container 10 may not conform to ISO-established international standards in terms of the external dimensions (at least one of length, width and height) of the energy storage container 10 due to being limited by the nominal weight of a standard container, and illustratively the width and height of the energy storage container 10 conform to ISO international standards, but the length thereof does not conform to ISO international standards. Alternatively, the energy storage container 10 may have a width that meets the ISO international standard, but a height and length that does not meet the ISO international standard. Alternatively, the length of the energy storage container 10 meets ISO international standards, but the width and length do not meet ISO international standards. Still alternatively, the length, width and height of the energy storage container 10 do not meet ISO international standards. The foregoing is merely illustrative of the energy storage container 10 and is not intended to limit the scope of embodiments of the present application.
The battery 110 includes a plurality of battery cells 111, and the plurality of battery cells 111 may be connected in series or parallel or in parallel, and the series-parallel refers to that the plurality of battery cells 111 are connected in series or parallel. The plurality of battery cells 111 may be directly connected in series or parallel or in series-parallel to form the battery 110. Of course, a plurality of battery cells 111 may be connected in series or parallel or series-parallel to form a battery module, and then connected in series or parallel or series-parallel to form a whole as the battery 110. The plurality of battery cells 111 in the battery module may be electrically connected through the bus bar member to realize parallel connection or series-parallel connection of the plurality of battery cells 111 in the battery module.
The battery cell 111 includes an electrode assembly 1111 and a case assembly 1112, and the electrode assembly 1111 is accommodated in the case assembly 1112. The electrode assembly 1111 is a core component of the battery cell 111 to realize charge and discharge, and may be a wound electrode assembly, a laminated electrode assembly, or other forms of electrode assemblies. The case assembly 1112 may include a case 1112a and a cap assembly 1112b, the case 1112a being a hollow structure having an opening, the cap assembly 1112b being capped at the opening of the case 1112a and forming a sealing connection to form a receiving chamber for receiving the electrode assembly 1111. The housing 1112a may be a variety of shapes, such as a cylinder, a rectangular parallelepiped, etc. The shape of the case 1112a may be determined according to the specific shape of the electrode assembly 1111. For example, if the electrode assembly 1111 is a cylindrical structure, a cylindrical case may be selected; if the electrode assembly 1111 has a rectangular parallelepiped structure, a rectangular parallelepiped case may be selected.
The frame assembly 20 includes a frame structure formed by a plurality of cross bars and a plurality of vertical bars. The cross bars and the vertical bars can be welded or bolted to form a frame structure. The frame assembly 20 can be flexibly arranged according to the size difference between the energy storage container 10 and the standard container, and has simple structural form and easy standardized manufacture; in addition, the frame assembly 20 is light in weight, and contributes little to the overall weight of the energy storage container combined structure 1, in other words, the number of the batteries 110 in the energy storage container 10 is less affected, the number of the batteries 110 can be greatly expanded by the energy storage container 10, and the energy density of the energy storage system can be remarkably improved. Illustratively, the energy storage container 10 has a width and a height that conform to the ISO international standard, but a length that is less than the ISO international standard, and the length of the energy storage container 10 may be extended by providing the frame assembly 20 such that the length of the energy storage container assembly 1 conforms to the ISO international standard. Alternatively, the width, height and length of the energy storage container 10 are smaller than the dimensions specified in the ISO international standard, and the width, height and length of the energy storage container 10 can be extended by the frame assembly 20 so that the width, height and length of the energy storage container combination structure 1 all conform to the ISO international standard.
The number of frame assemblies 20 is one or more, and the particular number may be determined based on the external dimensions, external shape, etc. of the energy storage container 10. The frame assembly 20 may be provided on only one side of the energy storage container 10 or may be provided on multiple sides depending on the desired extension of the energy storage container 10.
The container corner fitting assembly 30 is arranged on the energy storage container combined structure 1 and plays an important role in the operations of lifting, carrying, fixing and the like of the energy storage container combined structure 1.
In some embodiments, the container corner fitting assembly 30 is disposed at the bottom of the frame assembly 20, the container corner fitting assembly 30 being capable of carrying the entire weight of the energy storage container assembly 1; and the container corner fitting assembly 30 can fix the energy storage container combination structure 1 and the transportation carrier, reduces the risk of the energy storage container combination structure 1 deviating from the initial position in the transportation process, can prevent the energy storage container combination structure 1 from being damaged to a certain extent, and can improve the safety of the transportation process. Herein, the transport carrier may be a marine, land or air transport carrier such as a ship, a van, a train or an airplane.
In other embodiments, the container corner fitting assembly 30 may also be provided on top of the frame assembly 20 to facilitate lifting and handling of the energy storage container assembly 1.
Of course, the container corner fitting assemblies 30 may be disposed at both the bottom and top of the frame assembly 20.
In some embodiments, the container corner fitting assemblies 30 may also be provided at the bottom and/or top of the energy storage container 10 simultaneously, and mated with the container corner fitting assemblies 30 provided to the frame assembly 20.
When the container corner fitting assembly 30 is arranged at the bottom, the energy storage container 10 and the frame assembly 20 cooperate to enable the four end corners of the bottom of the energy storage container combination structure 1 to be provided with the container corner fitting assembly 30 so as to bear the whole weight of the energy storage container combination structure 1. When the container corner fitting assembly 30 is arranged at the top, the energy storage container 10 and the frame assembly 20 are matched, so that the four end corners of the top of the energy storage container combined structure 1 are provided with the container corner fitting assembly 30, and the operations such as lifting and carrying are facilitated.
In the embodiment of the application, the energy storage container 10 is directly used as a transportation container body, the energy storage container 10 is not required to be arranged in a standard container, and the energy storage container 10 can remarkably expand the number of the batteries 110, so that the energy density of the energy storage container 10 is improved. The energy storage container 10 is sized to be non-compliant with ISO international standards in at least one of the first direction X, the second direction Y, or the third direction Z by being connected to the frame assembly 20 to extend the size to be compliant with ISO international standards. The frame assembly 20 has lighter weight and smaller contribution to the overall weight of the energy storage container combined structure 1, which is beneficial to further expanding the number of the batteries 110 in the energy storage container 10, thereby further improving the energy density of the energy storage container 10. The energy storage container combined structure 1 of the embodiment of the application accords with the ISO international standard, can be directly transported, is not limited by the holding quantity of the existing standard container, and can be produced according to the production requirement.
When the size of the energy storage container 10 in any one of the first direction X, the second direction Y, and the second direction Y does not meet the ISO international standard, the size of the energy storage container 10 in that direction may be lengthened by providing the frame assembly 20. Illustratively, when the dimension (e.g., length) of the energy storage container 10 in the first direction X does not meet ISO standards, the frame assembly 20 is disposed on a side of the energy storage container 10 in the first direction X.
With continued reference to fig. 1-3, as some examples, the frame assembly 20 is one and disposed on one side of the energy storage container 10 in the first direction X. One frame assembly 20 facilitates assembly of the frame assembly 20 and the energy storage container 10 and can simplify the energy storage container assembly 1.
FIG. 4 is a schematic view of an energy storage container assembly according to further embodiments of the present application; fig. 5 is a schematic view of the energy storage container assembly of fig. 4 at another angle.
As shown in fig. 4 and 5, as other examples, the frame assembly 20 is two, disposed on both sides of the energy storage container 10 in the first direction X. The two frame components 20 are respectively arranged at two sides of the energy storage container 10, so that the weight distribution of the energy storage container combined structure 1 is uniform, and the structural stability of the energy storage container combined structure 1 is improved. The two frame assemblies 20 may be identical in construction, although the two frame assemblies 20 may be different in construction, e.g., the two frame assemblies 20 may be different in size in the first direction X.
With continued reference to fig. 4 and 5, the container corner fitting assembly 30 is optionally disposed on a side of the frame assembly 20 that is remote from the energy storage container 10 in the first direction X. The frame component 20 is close to the internal part of the energy storage container combined structure 1 on one side of the energy storage container 10, the end part of the energy storage container combined structure 1 is formed on one side of the frame component 20 far away from the energy storage container 10, and the container corner fitting component 30 is arranged at the end part, so that the operations such as lifting, carrying and fixing of the energy storage container combined structure 1 are facilitated.
Further alternatively, the container corner fitting assembly 30 comprises four container corner fittings comprising two first corner fittings 310 and two second corner fittings 320, the first corner fittings 310 and the second corner fittings 320 being symmetrically arranged in the second direction Y, the two first corner fittings 310 being symmetrically arranged in the third direction Z and the two second corner fittings 320 being symmetrically arranged in the third direction Z. The four ends of the side of the frame assembly 20 facing away from the storage container 10 are each provided with corner pieces, namely a first corner piece 310 and a second corner piece 320. The four end parts are respectively two top parts and two bottom parts, and the two top parts are respectively provided with a first corner fitting 310 and a second corner fitting 320, which is beneficial to the operations such as lifting, carrying and the like of the energy storage container combined structure 1; the two bottoms are respectively provided with a first corner fitting 310 and a second corner fitting 320, which is beneficial for fixing the energy storage container combined structure 1 and the transportation carrier.
With continued reference to fig. 4 and 5, further alternatively, the dimensions of the energy storage container 10 in the second direction Y may be equal to the dimensions of the energy storage container 10 in the second direction Y in the first direction X, if the dimensions of the energy storage container 10 in the second direction Y are in accordance with the ISO international standard, on the basis that the dimensions of the energy storage container 10 are in accordance with the ISO international standard by connecting the frame assemblies 20, in which case the dimensions of the frame assemblies 20 in the second direction Y are not required to be provided to extend the dimensions of the energy storage container 10 in the second direction Y.
Of course, when the size of the energy storage container 10 itself is smaller than the ISO international standard in the second direction Y, the energy storage container 10 still needs to be lengthened by the connection frame assembly 20 to conform to the ISO international standard, in which case the size between one first corner piece 310 and one second corner piece 320, which are symmetrical in the second direction Y, may be larger than the size of the energy storage container 10 in the second direction Y.
In the above embodiment, the energy storage container 10 is connected to the frame assembly 20 to form the energy storage container assembly 1, and the dimension of the energy storage container 10 along the first direction X is prolonged so that the dimension of the energy storage container assembly 1 in the first direction X meets the ISO international standard, and the dimension of the energy storage container assembly 1 in the second direction Y also meets the ISO international standard.
With continued reference to fig. 4 and 5, further alternatively, when the dimension of the energy storage container 10 in the third direction Z conforms to the ISO international standard on the basis that the dimension of the energy storage container 10 is extended by the connecting frame assembly 20 in the first direction X, the dimension of the energy storage container 10 in the third direction Z is equal to the dimension of the energy storage container 10 in the third direction Z without providing the frame assembly 20; and in the third direction Z the dimension between the two second corner pieces 320 is equal to the dimension of the energy storage container 10.
FIG. 6 is a schematic view of an energy storage container assembly according to further embodiments of the present application; fig. 7 is a schematic view of the energy storage container assembly of fig. 6 at another angle.
As shown in fig. 6 and 7, when the size of the energy storage container 10 itself is smaller than the ISO international standard in the third direction Z, the energy storage container 10 still needs to be lengthened by the connection frame assembly 20 to conform to the ISO international standard, in which case the size between the two first corner pieces 310 is larger than the size of the energy storage container 10 in the third direction Z; and in the third direction Z the dimension between the two second corner pieces 320 is larger than the dimension of the energy storage container 10.
The energy storage container 10 is connected with the frame assembly 20 to form the energy storage container combined structure 1, and the dimension of the energy storage container 10 along the first direction X is prolonged so that the dimension of the energy storage container combined structure 1 along the first direction X meets the ISO international standard, and the dimension of the energy storage container combined structure 1 along the third direction Z also meets the ISO international standard.
Further alternatively, when the dimension of the energy storage container 10 in the third direction Z conforms to the ISO international standard on the basis that the dimension of the energy storage container 10 is lengthened by the connection frame assembly 20 in the first direction X and the second direction Y, the dimension of the frame assembly 20 in the third direction Z is not required to be set, and in the third direction Z, the dimension between the two first corner pieces 310 is equal to the dimension of the energy storage container 10; and in the third direction Z the dimension between the two second corner pieces 320 is equal to the dimension of the energy storage container 10.
Of course, when the size of the energy storage container 10 itself is smaller than the ISO international standard in the third direction Z, the energy storage container 10 still needs to be lengthened by the connection frame assembly 20 to conform to the ISO international standard, in which case the size between the two first corner pieces 310 is larger than the size of the energy storage container 10 in the third direction Z; and in the third direction Z the dimension between the two second corner pieces 320 is larger than the dimension of the energy storage container 10.
In the above embodiment, the energy storage container 10 is connected to the frame assembly 20 to form the energy storage container assembly structure 1, and the dimensions of the energy storage container 10 along the first direction X and the second direction Y are extended so that the dimensions of the energy storage container assembly structure 1 in the first direction X and the second direction Y conform to the ISO international standard, and the dimensions of the energy storage container assembly structure 1 in the third direction Z also conform to the ISO international standard.
With continued reference to fig. 6 and 7, in some embodiments, frame assembly 20 further includes a plurality of first bars 21 and a bezel 22. A plurality of first cross bars 21 extend along a first direction X and connect the energy storage container 10 and the frame 22, respectively; four container corner pieces 31 are provided on the jamb 22. The frame assembly 20 has a relatively simple structure and a relatively light weight, and can reduce the contribution of the frame assembly 20 to the overall weight of the energy storage container combined structure 1, thereby increasing the number of batteries of the energy storage container 10 and further increasing the energy density of the energy storage container 10. In the embodiment of the present application, the first cross bar 21 and the frame 22 may be detachably connected or fixedly connected. The first rail 21 and the energy storage container 10 may be detachably connected or fixedly connected. The detachable connection can be connected through bolts and the like, and the fixed connection can be in a welding mode and the like.
In some examples, the bezel 22 may be a plate-like structure that is simple in construction.
In other examples, bezel 22 includes two second bars 221 and two vertical bars 222; the two second cross bars 221 extend along the second direction Y, the two vertical bars 222 extend along the third direction Z, and the two second cross bars 221 are connected with the two vertical bars 222; four container corner pieces 31 are provided on the second cross bar 221 and/or the vertical bar 222. The second cross bar 221 and the vertical bar 222 may be connected by welding or the like. The side frames 22 are frame structures which are themselves lightweight.
Optionally, the frame assembly 20 further comprises a plurality of diagonal rods 23, the diagonal rods 23 being disposed between the first rail 21 and the jamb 22, and/or between the adjacent second rail 221 and the vertical rod 222. The diagonal rods 23 can serve a reinforcing function to increase the strength of the frame assembly 20 and can improve the structural stability of the frame assembly 20.
The frame assembly 20 may be made of stainless steel, aluminum alloy, metallic aluminum, or glass fiber reinforced plastic. The strength of the material is relatively high, the weldability is good, the structure of the manufactured frame structure 30 is relatively stable, and the self weight is light.
In some embodiments, the energy storage container 10 and the frame assembly 20 are detachably connected, and after the energy storage container assembly 1 is transported to the user side, the frame assembly 20 of the energy storage container assembly 1 can be removed, and the energy storage container 10 and the control cabinet are connected for use, so as to reduce the occupied space.
Of course, the energy storage container 10 and the frame assembly 20 may also be fixedly connected, and can be directly connected to a control cabinet for use after the energy storage container assembly 1 is transported to the user side.
The embodiment of the application also provides a transportation method of the energy storage system, and the energy storage system comprises an energy storage container.
Fig. 8 is a schematic block diagram of an energy storage system, as shown in fig. 8, the energy storage system 2 comprising an energy storage container 10 and a control cabinet 200; the control cabinet 200 is used for electrically connecting with the energy storage container 10 to realize the management and control of the battery in the energy storage container 10.
Fig. 9 is a flow chart of a method of transporting an energy storage system according to some embodiments of the present application.
As shown in fig. 9, the transportation method includes:
s100, providing an energy storage container, wherein a battery is accommodated in the energy storage container;
s200, providing a frame assembly;
s300, connecting the frame assembly to the energy storage container to form an energy storage container combination structure meeting the standard container size;
s400, transporting the energy storage container combined structure.
In the embodiment of the application, the energy storage container and the frame assembly are connected and form the energy storage container combined structure for transportation, the size of the energy storage container combined structure meets the ISO international standard, the energy storage container can be directly transported, the number of batteries in the energy storage container can be obviously increased, and the energy density of the energy storage container can be improved.
Fig. 10 is a flow chart of a method for transporting an energy storage system according to other embodiments of the present application. As shown in fig. 10, in some embodiments, after step S400, the transportation method further includes:
and S500, disconnecting the frame assembly and the energy storage container and removing the frame assembly.
The frame component is removed, so that the occupied space of the energy storage system can be saved, and the application range is wider.
Fig. 11 is a flow chart illustrating a method for transporting an energy storage system according to other embodiments of the present application. As shown in fig. 11, the transportation method may optionally further include,
s600, a transportation control cabinet;
s700, connecting the control cabinet and the energy storage container to form an energy storage system.
The control cabinet is electrically connected with the battery in the energy storage container so as to control the battery. The control cabinet is small in size, and can be used as bulk goods for transportation. The control cabinet and the energy storage container are independently transported, so that the transportation efficiency can be improved.
When the frame component and the energy storage container are detachably connected, after the energy storage container combined structure is transported to a user side, the frame component of the energy storage container combined structure can be removed, and the energy storage container and the control cabinet are connected for use, so that occupied space is reduced. In other words, after step S500, step S700 is performed. In this context, the step of transporting the control cabinet and the step of transporting the energy storage container are not sequential.
Of course, when frame subassembly and energy storage container fixed connection, need not to remove the frame subassembly, can directly be with switch board and energy storage container electricity connection, can save the operation flow. In other words, after step S400, step S700 may be performed.
While the application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (13)
- An energy storage container combination comprising:an energy storage container in which a battery is accommodated; andthe frame component is connected with the energy storage container to form the energy storage container combined structure, the frame component is provided with a container corner fitting component,wherein the size of the energy storage container combination structure is greater than the size of the energy storage container in at least one of the first direction, the second direction, and the third direction; the first direction, the second direction and the third direction are perpendicular to each other.
- The energy storage container assembly of claim 1, wherein,the frame assembly is one and is arranged on one side of the first direction of the energy storage container; or alternativelyThe frame components are two and are respectively arranged on two sides of the energy storage container in the first direction.
- The energy storage container assembly of claim 2, wherein the container corner fitting assembly is disposed on a side of the frame assembly that is remote from the energy storage container in the first direction.
- The energy storage container assembly of claim 3, wherein the container corner fitting assembly comprises four container corner fittings, the four container corner fittings comprising two first corner fittings and two second corner fittings, the first corner fittings and the second corner fittings being symmetrically disposed in the second direction, two first corner fittings being symmetrically disposed in the third direction, and two second corner fittings being symmetrically disposed in the third direction.
- The energy storage container assembly of claim 4, wherein a dimension between one of the first corner pieces and one of the second corner pieces that is symmetrical in the second direction is greater than or equal to a dimension of the energy storage container.
- The energy storage container combination of claim 4 or 5, wherein a dimension between two of the first corner pieces in the third direction is greater than or equal to a dimension of the energy storage container; and in the third direction, the dimension between the two second corner pieces is greater than or equal to the dimension of the energy storage container.
- The energy storage container assembly of any one of claims 4 to 6, wherein,the frame assembly includes a plurality of first bars and a jamb;the first cross bars extend along a first direction and are respectively connected with the energy storage container and the frame;the four container corner pieces are arranged on the side frames.
- The energy storage container combination of claim 7, wherein the side frame includes two second cross bars and two vertical bars; the two second cross bars extend along the second direction, the two vertical bars extend along the third direction, and the two cross bars are connected with the two vertical bars; the four container corner fittings are arranged on the second cross bar and/or the vertical bar.
- The energy storage container assembly of claim 8, wherein,the frame assembly further includes a plurality of diagonal bars disposed between the first rail and the jamb frame and/or between the second rail and the vertical bar adjacent thereto.
- The energy storage container assembly of any one of claims 1 to 9, wherein,the energy storage container and the frame assembly are detachably connected.
- A method of transporting an energy storage system, the energy storage system comprising an energy storage container, the method comprising:providing an energy storage container, wherein a battery is accommodated in the energy storage container;providing a frame assembly;connecting the frame assembly to the energy storage container to form an energy storage container composite structure meeting standard container dimensions;and transporting the energy storage container combined structure.
- The method of claim 11, wherein,after the step of transporting the energy storage container assembly, the method further comprises,disconnecting the frame assembly from the energy storage container and removing the frame assembly.
- The method of claim 11 or 12, the energy storage system further comprising a control cabinet; the method may further comprise the steps of,transporting the control cabinet;and connecting the control cabinet with the energy storage container to form the energy storage system.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2021/141565 WO2023122867A1 (en) | 2021-12-27 | 2021-12-27 | Energy storage container combination structure and transportation method for energy storage system |
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| CN116918147A true CN116918147A (en) | 2023-10-20 |
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| CN201012826Y (en) * | 2006-06-23 | 2008-01-30 | 中国国际海运集装箱(集团)股份有限公司 | Large-scale box transportation framework |
| DE202007014613U1 (en) * | 2007-10-17 | 2007-12-27 | Chs Spezialcontainer-Shelter And Engineering Gmbh | Containers for storing and / or transporting objects |
| CN109720749A (en) * | 2017-10-31 | 2019-05-07 | 比亚迪股份有限公司 | Energy storage container system |
| CN109066889A (en) * | 2018-09-07 | 2018-12-21 | 深圳市科陆电子科技股份有限公司 | A kind of container-type energy-storage system |
| CN111430633A (en) * | 2020-05-12 | 2020-07-17 | 湖北亿纬动力有限公司 | Temperature control system of energy storage container and energy storage container |
| CN215206477U (en) * | 2021-07-19 | 2021-12-17 | 南通中集特种运输设备制造有限公司 | Energy storage device transportation assembly |
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