WO2022110347A1 - 深海电池装置及深海电池装置装配方法 - Google Patents

深海电池装置及深海电池装置装配方法 Download PDF

Info

Publication number
WO2022110347A1
WO2022110347A1 PCT/CN2020/136528 CN2020136528W WO2022110347A1 WO 2022110347 A1 WO2022110347 A1 WO 2022110347A1 CN 2020136528 W CN2020136528 W CN 2020136528W WO 2022110347 A1 WO2022110347 A1 WO 2022110347A1
Authority
WO
WIPO (PCT)
Prior art keywords
deep
box body
sea
upper cover
battery device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/136528
Other languages
English (en)
French (fr)
Inventor
周杰宇
袁中直
刘鹏程
李小康
齐东荣
李至淼
刘争光
吴列松
刘建华
刘金成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eve Energy Co Ltd
Original Assignee
Eve Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eve Energy Co Ltd filed Critical Eve Energy Co Ltd
Priority to US18/013,941 priority Critical patent/US12548836B2/en
Publication of WO2022110347A1 publication Critical patent/WO2022110347A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • 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
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0481—Compression means other than compression means for stacks of electrodes and separators
    • 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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/105—Pouches or flexible bags
    • 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
    • H01M50/204—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
    • H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch 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
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/227—Organic material
    • 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
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • 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
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • 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
    • H01M50/271—Lids or covers for the racks or secondary casings
    • H01M50/273—Lids or covers for the racks or secondary casings characterised by the material
    • H01M50/278—Organic material
    • 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
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • H01M50/287—Fixing of circuit boards to lids or covers
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present application relates to the field of battery technology, for example, to a deep-sea battery device and a method for assembling the deep-sea battery device.
  • deep-sea equipment such as submersibles, deep-submersible vehicles, and deep-sea life-saving equipment usually need to work in a deep-sea pressure environment of hundreds of meters or even thousands of meters.
  • the pressure on the battery pack also increased accordingly.
  • the seawater pressure battery industry mostly adopts the pressure compensation method to make seawater pressure battery.
  • the battery pack made by this method has higher specific energy and can withstand the pressure range which can be applied to the whole sea depth.
  • the existing pressure-compensated pressure-bearing batteries have low specific energy, and most of them adopt a split structure, and the sealing performance is poor.
  • the present application provides a deep-sea battery device and a method for assembling the deep-sea battery device, which have high specific energy and grouping rate, and significantly improve sealing performance and pressure bearing capacity.
  • An embodiment provides a deep-sea battery device, including:
  • a battery pack arranged inside the box;
  • a pressure compensation component disposed in the box and located on one side of the battery pack
  • the fastening and pulling plate assembly is annular, and the fastening and pulling plate assembly is sealed and sleeved and connected to the connection between the box body and the upper cover.
  • An embodiment provides a method for assembling a deep-sea battery device, which is applied to the above-mentioned deep-sea battery device.
  • the assembling method includes:
  • the upper cover is placed on the top of the box body, and the fastening and pulling plate assembly is connected to the connection between the box body and the upper cover.
  • FIG. 1 is an exploded view of a deep-sea battery device provided by an embodiment of the present application
  • FIG. 2 is a schematic structural diagram of a battery pack provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a battery management system provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a pressure compensation assembly provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of an upper cover provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a fastening and pulling plate assembly provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a completed deep-sea battery device provided in an embodiment of the present application.
  • 3-battery pack 31-soft pack battery; 32-upper fixing seat; 33-lower fixing seat; 34-PCB connection board;
  • 8- oil filling port 9- communication port; 10- power port; 11- handle.
  • connection should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements.
  • connection may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements.
  • a first feature "on” or “under” a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them.
  • the first feature being “above”, “over” and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature being “below”, “below” and “below” the second feature includes that the first feature is directly below and diagonally below the second feature, or simply means that the first feature is level less than the second feature.
  • this embodiment provides a deep-sea battery device.
  • the deep-sea battery device includes a box body 1 , an upper cover 2 , a battery pack 3 , a pressure compensation component 4 and a fastening plate component 5 , and the upper cover 2 is sealed and connected
  • the battery pack 3 is arranged inside the box body 1
  • the pressure compensation component 4 is arranged on one side of the battery pack 3, and is sealedly connected to the box body 1
  • the fastening and pulling plate components 5 are annularly sealed and sleeved. And it is connected to the connection between the box body 1 and the upper cover 2 .
  • the deep-sea battery device is easy to disassemble and install.
  • the tight connection is beneficial to improve the sealing and pressure bearing capacity.
  • the box body 1 is in the shape of a hollow cuboid, the top end of the box body 1 is provided with an opening, the upper cover 2 is sealedly connected to the top opening, and the end of the box body 1 with a smaller area is provided with a port, and the pressure compensation component 4 is sealed. connected to this port.
  • the upper cover 2 is detachably connected to the top opening of the box body 1
  • the pressure compensation assembly 4 is detachably connected to the port of the box body 1 .
  • the battery pack 3 is also in the shape of a rectangular parallelepiped, and one end of the battery pack 3 leading out the tabs is placed toward the top of the box 1 .
  • the position of the above-mentioned battery pack 3 and pressure compensation assembly 4 relative to the box body 1 is beneficial to improve the specific energy and grouping rate of the battery device.
  • both the box body 1 and the upper cover 2 are made of high-molecular polyethylene material obtained by modification, namely modified PE material, because the modified PE material has stable chemical properties, oil corrosion resistance, seawater corrosion resistance and low cost. , its specific gravity is only 0.98g/cm 3 , the box body 1 and the upper cover 2 are made of modified PE material, so that the overall weight of the deep-sea battery device is light and suitable for the deep-sea working environment.
  • the formula of the modified PE material can be determined according to the actual situation.
  • the thickness of the box 1 can be selected to be 3mm-5mm. Since the specific gravity of the modified PE material is relatively light, the deep-sea battery device can withstand greater pressure without being damaged under the condition of light weight, thereby improving the performance of the deep-sea battery device. specific energy.
  • the battery pack 3 includes a plurality of unit cells, and the plurality of unit cells are connected in series or parallel to form a battery pack 3 according to requirements.
  • the unit battery includes a soft pack battery 31, an upper fixing base 32, a lower fixing base 33 and a PCB connecting board 34, the lower fixing base 33 is connected to the box body 1, and both ends of the soft pack battery 31 are respectively connected to the upper fixing base. 32 and the lower fixing seat 33.
  • the upper fixing seat 32 provides upper fixing for the pouch battery 31
  • the lower fixing seat 33 provides lower fixing for the pouch battery 31 .
  • the PCB connection board 34 is connected to the tabs of the pouch battery 31 to provide an electrical connection site for the pouch battery 31 .
  • the soft pack battery 31 adopts a pressure-bearing high specific energy ternary soft pack lithium ion battery, and its specific energy can reach 220Wh/kg.
  • the soft pack battery 31 is fixedly connected to the upper fixing seat 32 and the lower fixing seat 33 by structural adhesive.
  • the PCB connecting plate 34 and the tabs are connected by soldering.
  • the PCB connecting plate 34 and the tabs can also be welded by other methods such as resistance welding.
  • the deep-sea battery device further includes a battery management system 7 .
  • the battery management system 7 is arranged in the box 1 and located between the battery pack 3 and the pressure compensation component 4 .
  • the battery management system 7 Adopting a master-slave split structure, but not limited to a master-slave integrated management system, the battery management system 7 has functions such as temperature collection, voltage and current collection, charge equalization, communication, and prevention of battery short-circuit, overcharge, and overdischarge.
  • the battery management system 7 includes a bracket 71 , a slave control board 72 and a main control board 73 , the bracket 71 is connected to the box 1 , the slave control board 72 is fixed on the bracket 71 by screws, and the main control board 73 is fixed by screws. It is arranged on the bracket 71 and located below the slave control board 72 .
  • the bracket 71 provides fixed installation positions for the main control board 73 and the slave control board 72
  • the slave control board 72 provides functions such as voltage acquisition and temperature acquisition for the battery pack 3
  • the main control board 73 provides data processing, communication and protection for the battery pack 3 , etc. Function.
  • the bracket 71 is provided with a groove, and the main control board 73 and the slave control board 72 are arranged in the groove at intervals, so that the main control board 73 and the slave control board 72 are more stable and compact.
  • the pressure compensation component 4 provides pressure regulation for the battery pack 3, so that the product can normally provide energy for deep-sea equipment in the deep sea.
  • the pressure compensation assembly 4 includes a baffle 41, a bladder 42 and a regulating valve cover 43, the bladder 42 is disposed between the baffle 41 and the regulating valve cover 43, and the baffle 41 is connected to the casing 1 by screws and is located in the battery management Between the system 7 and the skin bag 42 , the regulating valve cover 43 is sealingly connected to the port of the case 1 , and the regulating valve cover 43 and the skin bag 42 are connected by screws.
  • the port of the box body 1 is provided with a sealing groove
  • the bladder 42 is provided with a sealing rib
  • the regulating valve cover 43 is provided with a convex rib
  • the sealing rib and the port of the box body 1 and the regulating valve cover 43 are provided.
  • the raised ribs together form a sealing body to prevent seawater from infiltrating into the interior of the box body 1 .
  • a circular hole is provided in the middle of the regulating valve cover 43 , through which the seawater acts on the skin 42 , so that the skin 42 can be deformed in a designed direction.
  • the baffle 41 can be optionally a metal baffle, which can prevent the skin bag 42 from contacting the battery management system 7 during the expansion process, thereby protecting the skin bag 42 to be used safely in the designed working value. And a plurality of through holes 411 are evenly distributed on the baffle plate 41 to reduce the weight and improve the fluidity of the pressure oil.
  • the regulating valve cover 43 can be optionally a metal cover, which plays the role of fixing the skin bag 42 and protecting the skin bag 42 .
  • the skin bag 42 is made of nitrile rubber NBR material, which has good oil resistance, high wear resistance, and good heat resistance. In other embodiments, the skin bag 42 can be made of different materials according to actual conditions. .
  • the deep-sea battery device further includes an oil filling port 8 , a communication interface 9 and a power interface 10 .
  • the oil filling port 8 is fixedly connected to the upper cover 2 through nuts, and in order to improve the sealing performance, the oil filling port 8 and the upper cover 2 A sealing ring is arranged at the connection, the oil filling port 8 is an inlet for filling pressure oil, and an oil filling cap is connected to the upper end of the oil filling port 8 .
  • 25# transformer oil is used as the pressure oil, and the 25# transformer oil has better insulation performance. In other embodiments, other pressure oil or silicone oil can also be used.
  • the communication interface 9 is a watertight joint for the communication between the battery pack 3 and the deep-sea equipment, the communication interface 9 is fixedly connected to the upper cover 2 through a nut, the power interface 10 is a watertight joint for the output and input of the battery pack 3 power supply, and the power interface 10 is fixedly connected to the upper cover 2 through a nut.
  • the upper cover 2, and the connection between the communication interface 9 and the power interface 10 and the upper cover 2 are all provided with sealing rings.
  • the deep-sea battery device further includes a handle 11 , and the handle 11 is threadedly connected to the upper cover 2 .
  • the handle 11 is configured to be able to be folded or erected. When the deep-sea battery device does not need to be moved, the handle 11 can be folded and placed, which saves space and makes the surface of the deep-sea battery device relatively flat.
  • the number of the handles 11 is set to two, and the two handles 11 are arranged at intervals along the length direction of the upper cover 2 . In other embodiments, one or three or more handles 11 may also be provided.
  • the deep-sea battery device also includes a sealing ring. 6.
  • the sealing ring 6 is arranged at the connection between the box body 1 and the upper cover 2 .
  • the upper cover 2 is provided with an annular sealing portion 21 extending downward (refer to FIG. 5 )
  • the sealing portion 21 is provided with an annular sealing groove
  • the sealing ring 6 is tightly sleeved in the sealing groove.
  • the sealing ring 6 is a double-layer sealing ring, and is in an "O" shape, which improves the sealing performance of the connection between the box body 1 and the upper cover 2 .
  • the sealing ring 6 is made of nitrile rubber NBR. In other embodiments, the material and shape of the sealing ring 6 can be determined according to actual conditions.
  • the upper end of the upper cover 2 is provided with an annular groove 22 . Since both the box body 1 and the upper cover 2 are made of modified PE material, which has a certain elasticity, if the force is uneven, it may cause the box body 1 or the upper cover 2 to be partially sunken, causing gaps at the joints, thus making the Seawater enters the box body 1, so in order to improve the sealing performance of the connection between the box body 1 and the upper cover 2, a fastening plate assembly 5 is also provided at the connection between the box body 1 and the upper cover 2, and the upper cover 2 is placed on the box body 1.
  • the sealing ring 6 forms a double side seal with the box body 1, and is then sealed and reinforced by tightening the pull plate assembly 5 to form an effective sealing body.
  • the tightening pull plate assembly 5 includes an outer tightening pull plate 51, an inner tightening pull plate 52 and a bolt 53.
  • the inner tightening pull plate 52 is annular and is arranged in the annular groove 22 of the upper cover 2, and the inner tightening pull plate 52 is annular.
  • the shape of 52 is adapted to the shape of the annular groove 22 to facilitate installation;
  • the outer tightening pull plate 51 is annular and is sleeved on the outer circumference of the box body 1, and the outer tightening pull plate 51 and the inner tightening pull plate 52 are arranged in parallel , the bolts 53 are sequentially screwed to the outer tightening pull plate 51 , the box body 1 , the groove wall of the annular groove 22 and the inner tightening pull plate 52 to tighten the connection between the box body 1 and the upper cover 2 .
  • the outer tightening pull plate 51 and the inner tightening pull plate 52 are made of metal materials, so that the box body 1 and the upper cover 2 are connected more closely, and the joint is not easily deformed to prevent water leakage.
  • the tightening pull plate 51 and the inner tightening pull plate 52 are made of stainless steel 316, which has strong corrosion resistance.
  • the outer tightening pull plate 51 and the inner tightening pull plate 52 can also be made of other materials. material.
  • a plurality of bolts 53 are provided, and the plurality of bolts 53 are evenly distributed at equal intervals along the circumferential direction of the outer fastening pull plate 51, so that the joints are evenly stressed, thereby improving the connection between the box 1 and the upper cover 2. Tightness and tightness.
  • the bolts 53 can adopt ultra-thin inner hexagon screws, and the tightening force of the ultra-thin inner hexagon screws is relatively large, and the bolts 53 can also adopt other specifications and shapes.
  • the deep-sea battery device provided in this embodiment can effectively solve the problems of low specific energy and low grouping rate of the pressure-compensated battery pack.
  • the deep-sea battery device can increase the specific energy of the battery pack to 135Wh/Kg, the grouping rate can be increased to 65%, and the working depth can be applied to the deep-sea environment of 3000 meters.
  • the deep-sea battery device has high specific energy and grouping ratio, as well as good sealing performance and pressure bearing capacity.
  • the present application provides a deep-sea battery device and a method for assembling the deep-sea battery device.
  • the deep-sea battery device includes a box body 1, an upper cover 2, a battery pack 3, a pressure compensation component 4 and a fastening plate component 5.
  • the pressure compensation component 4 is arranged on one side of the battery pack 3 and is sealed to the box body 1, and the upper cover 2 is sealed on the top of the box body 1, so that the deep-sea battery device has a simple structure, is easy to install, and has relatively high performance. High specific energy and grouping rate, as well as sealing performance and pressure bearing capacity are also significantly improved;
  • the body 1 and the upper cover 2 are tightly connected to improve the sealing performance of the deep-sea battery device, thereby improving the pressure bearing capacity.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Materials Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

一种深海电池装置及深海电池装置装配方法。该深海电池装置包括箱体(1)、上盖(2)、电池组(3)、压力补偿组件(4)和紧固拉板组件(5)，所述上盖(2)密封连接于所述箱体(1)的顶部，所述电池组(3)设置于所述箱体(1)的内部，所述压力补偿组件(4)设置于所述箱体(1)内并位于所述电池组(3)的一侧，所述紧固拉板组件(5)呈环形，所述紧固拉板组件(5)密封套设且连接于所述箱体(1)和所述上盖(2)的连接处。

Description

深海电池装置及深海电池装置装配方法
本申请要求申请日为2020年11月24日、申请号为202011334049.2的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及电池技术领域，例如涉及一种深海电池装置及深海电池装置装配方法。
背景技术
目前深潜器、深潜运载器、深海救生装备等深海装备，通常需要在几百米、乃至数千米的深海压力环境下工作，随着装备下潜深度的增加，电池组所受的压力也相应增加。目前海水承压电池行业大都采用压力补偿的方式进行制作海水承压电池，采用该方式制作的电池组比能量较高、承受压力范围可适用于全海深。但是现有的压力补偿式承压电池比能量较低，且大都采用分体式结构，以及密封性较差。
发明内容
本申请提供了一种深海电池装置及深海电池装置装配方法，具有较高的比能量和成组率，密封性能和承压能力显著提高。
一实施例提供一种深海电池装置，包括：
箱体；
上盖，密封连接于所述箱体的顶部；
电池组，设置于所述箱体的内部；
压力补偿组件，设置于所述箱体内并位于所述电池组的一侧；
紧固拉板组件，呈环形，所述紧固拉板组件密封套设且连接于所述箱体和所述上盖的连接处。
一实施例提供一种深海电池装置装配方法，应用于上述深海电池装置，所述装配方法包括：
将所述电池组和所述压力补偿组件从所述箱体的顶部并排放入所述箱体内；
将所述上盖放置于所述箱体的顶部，并将所述紧固拉板组件连接于所述箱体和所述上盖的连接处。
附图说明
图1是本申请实施例提供的深海电池装置的爆炸图；
图2是本申请实施例提供的电池组的结构示意图；
图3是本申请实施例提供的电池管理系统的结构示意图；
图4是本申请实施例提供的压力补偿组件的结构示意图；
图5是本申请实施例提供的上盖的结构示意图；
图6是本申请实施例提供的紧固拉板组件的结构示意图；
图7是本申请实施例提供的深海电池装置装配完成的结构示意图。
图中：
1-箱体；2-上盖；21-密封部；22-环形凹槽；
3-电池组；31-软包电池；32-上固定座；33-下固定座；34-PCB连接板；
4-压力补偿组件；41-挡板；411-通孔；42-皮囊；43-调节阀盖；
5-紧固拉板组件；51-外紧固拉板；52-内紧固拉板；53-螺栓；
6-密封圈；
7-电池管理系统；71-支架；72-从控板；73-主控板；
8-注油口；9-通讯接口；10-电源接口；11-提手。
具体实施方式
在本申请的描述中，除非另有明确的规定和限定，术语“相连”、“连接”、“固定”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特 征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
在本实施例的描述中，术语“上”、“下”、“左”、“右”等方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述和简化操作，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅仅用于在描述上加以区分，并没有特殊的含义。
如图1所示，本实施例提供一种深海电池装置，该深海电池装置包括箱体1、上盖2、电池组3、压力补偿组件4和紧固拉板组件5，上盖2密封连接于箱体1的顶部，电池组3设置于箱体1的内部，压力补偿组件4设置于电池组3的一侧，并密封连接于箱体1，紧固拉板组件5呈环形密封套设且连接于箱体1和上盖2的连接处。
在上述结构下，该深海电池装置便于拆卸和安装，通过将呈环形的紧固拉板组件5密封套设且连接于箱体1和上盖2的连接处，使得箱体1和上盖2紧密连接，有利于提高密封性和承压能力。
可选地，箱体1呈中空长方体状，箱体1的顶端设有开口，上盖2密封连接于顶端开口处，且箱体1面积较小的一端部开设有端口，压力补偿组件4密封连接于该端口处。
可选地，上盖2可拆卸连接于箱体1的顶端开口处，压力补偿组件4可拆卸连接于箱体1的端口处。
可选地，电池组3也为长方体状，且电池组3引出极耳的一端朝向箱体1的顶部放置。
上述电池组3和压力补偿组件4相对于箱体1的位置设置，有利于提高电池装置的比能量和成组率。
可选地，箱体1和上盖2均采用通过改性获得的高分子聚乙烯材料，即改性PE材料制成，由于改性PE材料化学性能稳定、耐油腐蚀、耐海水腐蚀以及成本低廉，其比重仅为0.98g/cm 3，箱体1和上盖2由改性PE材料制成，使得该深海电池装置整体重量轻，且适合深海工作环境。其中，改性PE材料的配方可以根据实际情况确定。箱体1厚度可选为3mm-5mm，由于改性PE材料比重较轻，使得该深海电池装置能够在重量较轻的情况下承受较大的压力而不被损坏，从而提高该深海电池装置的比能量。
如图2所示，电池组3包括多个单元电池，且多个单元电池之间根据需求 进行串联或者并联组成电池组3。示例性地，单元电池包括软包电池31、上固定座32、下固定座33和PCB连接板34，下固定座33连接于箱体1，软包电池31的两端分别连接于上固定座32和下固定座33。其中，上固定座32为软包电池31提供上固定，下固定座33为软包电池31提供下固定。PCB连接板34连接于软包电池31的极耳以为软包电池31提供电连接部位。可选地，软包电池31采用承压型高比能三元软包锂离子电池，其比能量可以达到220Wh/kg。本实施例中，软包电池31与上固定座32和下固定座33均通过结构胶固定连接。且PCB连接板34与极耳通过焊锡方式连接，在其他实施例中，PCB连接板34与极耳也可以通过电阻焊等其他方式进行焊接。
如图1和图3所示，深海电池装置还包括电池管理系统7，电池管理系统7设置于箱体1内且位于电池组3和压力补偿组件4之间，可选地，电池管理系统7采用主从分体式结构，但不限于主从一体式管理系统，电池管理系统7具备温度采集、电压电流采集、充电均衡功能、通信功能以及防止电池短路、过充、过放等功能。示例性地，电池管理系统7包括支架71、从控板72和主控板73，支架71连接于箱体1，从控板72通过螺钉固定设置于支架71上，主控板73通过螺钉固定设置于支架71上且位于从控板72的下方。支架71为主控板73和从控板72提供固定安装位，从控板72为电池组3提供电压采集和温度采集等功能，主控板73为电池组3提供数据处理、通讯和保护等功能。可选地，支架71上设置有凹槽，主控板73和从控板72间隔设置于凹槽中，使得主控板73和从控板72更为稳固紧凑。
如图1和图4所示，压力补偿组件4为电池组3提供压力调节，使得产品在深海中能够正常为深海装备提供能源。可选地，压力补偿组件4包括挡板41、皮囊42和调节阀盖43，皮囊42设置于挡板41和调节阀盖43之间，挡板41通过螺钉连接于箱体1且位于电池管理系统7和皮囊42之间，调节阀盖43密封连接于箱体1的端口处，且调节阀盖43与皮囊42通过螺钉连接。示例性地，箱体1的端口处设置有密封槽，皮囊42上设置有密封筋条，调节阀盖43上设置有凸筋，密封筋条与箱体1的端口处以及调节阀盖43上的凸筋共同形成密封体，以阻挡海水渗入箱体1内部。可选地，调节阀盖43的中部设置有圆孔，海水通过该圆孔作用于皮囊42，使得皮囊42能够按设计的方向产生形变。
挡板41可选为金属挡板，可以防止皮囊42在膨胀过程中接触到电池管理系统7，从而保护皮囊42在设计的工作值中安全使用。且挡板41上均布设有多 个通孔411，以减轻重量，提高压力油的流动性。调节阀盖43可选为金属盖，起到固定皮囊42和保护皮囊42的作用。本实施例中，皮囊42采用丁腈橡胶NBR材料制成，丁腈橡胶NBR耐油性好、耐磨性高、耐热性较好，在其他实施例中，皮囊42可以根据实际情况采用不同材质。
如图5所示，深海电池装置还包括注油口8、通讯接口9和电源接口10，注油口8通过螺母固定连接于上盖2，且为了提高密封性，在注油口8和上盖2的连接处设置有密封圈，注油口8为灌注压力油的入口，注油口8的上端连接有注油盖。可选地，压力油采用25#变压器油，25#变压器油绝缘性能较好，在其他实施例中，也可以采用其他压力油或硅油。通讯接口9为电池组3和深海设备通讯的水密接头，通讯接口9通过螺母固定连接于上盖2，电源接口10为电池组3电源输出和输入的水密接头，电源接口10通过螺母固定连接于上盖2，且通讯接口9和电源接口10与上盖2的连接处均设置有密封圈。
为了方便移动深海电池装置，深海电池装置还包括提手11，提手11螺纹连接于上盖2。可选地，提手11被配置为能够折叠或立起，当不需要移动深海电池装置时，提手11可以折叠放置，节省空间，且使得深海电池装置表面较为平整。可选地，提手11的数量设置为两个，两个提手11沿上盖2的长度方向间隔设置，在其他实施例中，提手11也可以设置有一个或三个及以上。
电池组3、电池管理系统7和压力补偿组件4均安装于箱体1后，将上盖2与箱体1进行密封连接，为了避免海水进入深海电池装置内部，该深海电池装置还包括密封圈6，密封圈6设置于箱体1和上盖2的连接处。示例性地，上盖2向下延伸设置有环形的密封部21(参考图5)，密封部21上设置有环形的密封槽，密封圈6紧固套设于该密封槽中。可选地，密封圈6为双层密封圈，且呈“O”型，提高了箱体1与上盖2的连接密封性。可选地，密封圈6采用丁腈橡胶NBR制成，在其他实施例中，密封圈6的材质和形状可以根据实际情况确定。
如图5、图6和图7所示，上盖2的上端设置有环形凹槽22。由于箱体1和上盖2均采用改性PE材料制成，具有一定的弹性，若受力不均时，可能会导致箱体1或上盖2部分凹陷，使得连接处出现缝隙，从而使得海水进入箱体1，所以为提高箱体1和上盖2的连接密封性，在箱体1和上盖2的连接处还设置有紧固拉板组件5，上盖2放置于箱体1上方，密封圈6与箱体1形成双重侧密封，再通过紧固拉板组件5进行密封加固，形成有效密封体。紧固拉板组件5包括外紧固拉板51、内紧固拉板52和螺栓53，内紧固拉板52呈环形且设置于 上盖2的环形凹槽22内，内紧固拉板52的形状与环形凹槽22的形状相适配以方便安装；外紧固拉板51呈环形且套设于箱体1的外周，外紧固拉板51与内紧固拉板52平行设置，螺栓53依次螺纹连接于外紧固拉板51、箱体1、环形凹槽22的槽壁和内紧固拉板52，以将箱体1和上盖2的连接处拉紧。
可选地，外紧固拉板51和内紧固拉板52采用金属材料制成，使得箱体1和上盖2连接更加紧密，且连接处不易变形以防漏水，本实施例中，外紧固拉板51和内紧固拉板52均采用不锈钢316材质制成，不锈钢316耐蚀性能强，在其他实施例中，外紧固拉板51和内紧固拉板52也可以采用其他材质。可选地，螺栓53的数量设置有多个，多个螺栓53沿外紧固拉板51的周方向等间隔均匀分布，使得连接处受力均匀，从而提高箱体1和上盖2连接的紧固性和密封性。螺栓53可采用内六角超薄螺钉，内六角超薄螺钉的紧固力较大，螺栓53也可以采用其他规格形状。
本实施例提供的深海电池装置能有效解决压力补偿式电池组比能量低下、成组率不高的问题。深海电池装置可将电池组比能量提升至135Wh/Kg，成组率可提升至65％，工作深度可适用于3000米的深海环境。
以下为该深海电池装置的装配方法：
将电池组3、电池管理系统7、挡板41和皮囊42从箱体1的顶部并排放入箱体1内；
将调节阀盖43放置于箱体1的端口处，通过螺钉将调节阀盖43和皮囊42连接于箱体1的端口处；
将上盖2放置于箱体1的顶部，然后将内紧固拉板52放置于上盖2上，将外紧固拉板51套设于箱体1和上盖2的连接处，最后通过螺栓53固定。
通过使用上述的装配方法装配该深海电池装置，使得该深海电池装置具有较高的比能量和成组率，以及良好的密封性能和承压能力。
本申请提供一种深海电池装置及深海电池装置装配方法，深海电池装置包括箱体1、上盖2、电池组3、压力补偿组件4和紧固拉板组件5，通过将电池组3设置于箱体1的内部，压力补偿组件4设置于电池组3的一侧并密封连接于箱体1，上盖2密封于箱体1的顶部，使得该深海电池装置结构简单、方便安装、具有较高的比能量和成组率，以及密封性能和承压能力也显著提高；通过将呈环形的紧固拉板组件5密封套设且连接于箱体1和上盖2的连接处，使得箱体1和上盖2紧密连接，提高该深海电池装置的密封性，从而提高承压能力。

Claims (14)

  1. 一种深海电池装置，包括：
    箱体(1)；
    上盖(2)，密封连接于所述箱体(1)的顶部；
    电池组(3)，设置于所述箱体(1)的内部；
    压力补偿组件(4)，设置于所述箱体(1)内并位于所述电池组(3)的一侧；
    紧固拉板组件(5)，呈环形，所述紧固拉板组件(5)密封套设且连接于所述箱体(1)和所述上盖(2)的连接处。
  2. 根据权利要求1所述的深海电池装置，其中，所述电池组(3)的极耳朝向所述箱体(1)的所述顶部设置。
  3. 根据权利要求1或2所述的深海电池装置，其中，所述箱体(1)呈长方体状，所述上盖(2)密封连接于所述箱体(1)的面积较大的所述顶部，所述压力补偿组件(4)密封连接于所述箱体(1)的面积较小的一端部。
  4. 根据权利要求1所述的深海电池装置，其中，
    所述上盖(2)向下延伸设置有环形的密封部(21)，且所述上盖(2)的上端具有环形凹槽(22)；
    所述紧固拉板组件(5)包括外紧固拉板(51)、内紧固拉板(52)和螺栓(53)，所述内紧固拉板(52)设置于所述环形凹槽(22)内，所述外紧固拉板(51)套设于所述箱体(1)和所述上盖(2)的连接处，所述螺栓(53)依次螺纹连接于所述外紧固拉板(51)、所述箱体(1)、所述上盖(2)和所述内紧固拉板(52)。
  5. 根据权利要求1所述的深海电池装置，还包括：
    密封圈(6)，设置于所述箱体(1)和所述上盖(2)的连接处。
  6. 根据权利要求5所述的深海电池装置，其中，所述密封圈(6)为双层密封圈。
  7. 根据权利要求1所述的深海电池装置，其中，所述箱体(1)和所述上盖(2)均由改性聚乙烯PE材料制成。
  8. 根据权利要求1所述的深海电池装置，还包括：
    电池管理系统(7)，设置于所述箱体(1)内且位于所述电池组(3)和所述压力补偿组件(4)之间。
  9. 根据权利要求8所述的深海电池装置，其中，所述压力补偿组件(4) 包括：
    挡板(41)、皮囊(42)和调节阀盖(43)，所述皮囊(42)设置于所述挡板(41)和所述调节阀盖(43)之间，所述挡板(41)连接于所述箱体(1)且位于所述电池管理系统(7)和所述皮囊(42)之间，所述调节阀盖(43)密封连接于所述箱体(1)。
  10. 根据权利要求9所述的深海电池装置，其中，所述调节阀盖(43)和所述皮囊(42)通过螺钉连接于所述箱体(1)。
  11. 根据权利要求9所述的深海电池装置，其中，所述挡板(41)上均匀布设有多个通孔(411)。
  12. 根据权利要求8所述的深海电池装置，其中，所述电池管理系统(7)包括：
    支架(71)、从控板(72)和主控板(73)，所述支架(71)连接于所述箱体(1)，所述从控板(72)固定设置于所述支架(71)上，所述主控板(73)固定设置于所述支架(71)上且位于所述从控板(72)的下方。
  13. 根据权利要求1所述的深海电池装置，其中，所述电池组(3)包括多个单元电池，所述单元电池包括软包电池(31)，所述软包电池(31)为三元软包锂离子电池。
  14. 一种深海电池装置装配方法，应用于如权利要求1-13任一项所述的深海电池装置，所述装配方法包括：
    将所述电池组(3)和所述压力补偿组件(4)从所述箱体(1)的顶部并排放入所述箱体(1)内；
    将所述上盖(2)放置于所述箱体(1)的顶部，并将所述紧固拉板组件(5)连接于所述箱体(1)和所述上盖(2)的连接处。
PCT/CN2020/136528 2020-11-24 2020-12-15 深海电池装置及深海电池装置装配方法 Ceased WO2022110347A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US18/013,941 US12548836B2 (en) 2020-11-24 2020-12-15 Deep-sea battery apparatus and method for assembling deep-sea battery apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011334049.2A CN112350014B (zh) 2020-11-24 2020-11-24 一种深海电池装置及装配方法
CN202011334049.2 2020-11-24

Publications (1)

Publication Number Publication Date
WO2022110347A1 true WO2022110347A1 (zh) 2022-06-02

Family

ID=74364706

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/136528 Ceased WO2022110347A1 (zh) 2020-11-24 2020-12-15 深海电池装置及深海电池装置装配方法

Country Status (3)

Country Link
US (1) US12548836B2 (zh)
CN (1) CN112350014B (zh)
WO (1) WO2022110347A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN216958268U (zh) * 2022-01-19 2022-07-12 惠州亿纬锂能股份有限公司 深海电池装置
CN116037508A (zh) * 2023-02-17 2023-05-02 武汉船用电力推进装置研究所(中国船舶集团有限公司第七一二研究所) 一种承压锂离子电池批量耐压筛选装置及方法
USD1102371S1 (en) * 2023-12-29 2025-11-18 Huizhou Eve Power Co., Ltd Battery
KR20250113900A (ko) * 2024-01-19 2025-07-28 이브 에너지 씨오., 엘티디. 배터리 시스템
CN120581814B (zh) * 2025-06-13 2025-11-14 西安宇驰特能防务装备研究院有限公司 一种深海电池装置及其组装方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101804854A (zh) * 2010-03-30 2010-08-18 中国船舶重工集团公司第七〇二研究所 深潜器用补偿皮囊型蓄电池箱
CN102637840A (zh) * 2012-04-12 2012-08-15 北京神州远望科技有限公司 具有压力补偿装置的潜用智能锂电池组及其制备方法
CN202534715U (zh) * 2012-04-12 2012-11-14 北京神州远望科技有限公司 具有压力补偿装置的潜用智能锂电池组
CN203312394U (zh) * 2013-06-17 2013-11-27 长沙矿冶研究院有限责任公司 深水电池箱
CN109742270A (zh) * 2018-11-19 2019-05-10 惠州亿纬锂能股份有限公司 承压锂电池
CN210866321U (zh) * 2019-12-25 2020-06-26 上海派能能源科技股份有限公司 一种电池外壳
CN111540850A (zh) * 2020-05-20 2020-08-14 上海空间电源研究所 一种压力补偿式锂离子蓄电池

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5360678A (en) * 1992-10-19 1994-11-01 Wilson Greatbatch Ltd. High energy density pressure tolerant cell
CN103700793B (zh) * 2013-12-26 2016-03-30 北京神州远望科技有限公司 具有自动补偿深水压力功能的锂电池组
CN214505641U (zh) * 2020-11-24 2021-10-26 惠州亿纬锂能股份有限公司 一种深海电池装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101804854A (zh) * 2010-03-30 2010-08-18 中国船舶重工集团公司第七〇二研究所 深潜器用补偿皮囊型蓄电池箱
CN102637840A (zh) * 2012-04-12 2012-08-15 北京神州远望科技有限公司 具有压力补偿装置的潜用智能锂电池组及其制备方法
CN202534715U (zh) * 2012-04-12 2012-11-14 北京神州远望科技有限公司 具有压力补偿装置的潜用智能锂电池组
CN203312394U (zh) * 2013-06-17 2013-11-27 长沙矿冶研究院有限责任公司 深水电池箱
CN109742270A (zh) * 2018-11-19 2019-05-10 惠州亿纬锂能股份有限公司 承压锂电池
CN210866321U (zh) * 2019-12-25 2020-06-26 上海派能能源科技股份有限公司 一种电池外壳
CN111540850A (zh) * 2020-05-20 2020-08-14 上海空间电源研究所 一种压力补偿式锂离子蓄电池

Also Published As

Publication number Publication date
US12548836B2 (en) 2026-02-10
CN112350014B (zh) 2024-11-08
CN112350014A (zh) 2021-02-09
US20230291048A1 (en) 2023-09-14

Similar Documents

Publication Publication Date Title
CN112350014B (zh) 一种深海电池装置及装配方法
WO2023130601A1 (zh) 电池组件、电池及用电装置
CN103280545B (zh) 深水电池箱
CN206546862U (zh) 一种密闭型高密度二次镍氢电池
CN203312394U (zh) 深水电池箱
CN103715472A (zh) 冷却水套及汽车动力电池系统
CN213459973U (zh) 一种连接处加强防水功能的锂离子电池
CN109742270B (zh) 承压锂电池
CN214505641U (zh) 一种深海电池装置
CN207398294U (zh) 一种深海锂电池组装置
CN210692603U (zh) 一种新型动力电池用导电柱密封结构
CN112531303B (zh) 高效密封的锂电池上盖板结构
CN205642544U (zh) 气压传导装置及城市排水管网水位监测节点
CN220230835U (zh) 电池用全铝外锁铆钉的气密性检测工装
CN219610604U (zh) 电池的箱体、电池、用电装置和套筒组件
CN216354614U (zh) 一种电池包
CN204067455U (zh) 深水锂电池
CN213459930U (zh) 一种防水效果好的锂电池
CN210074065U (zh) 一种防爆散热锂电池封装结构
CN205645926U (zh) 海洋船用耐腐蚀聚合物电池组箱套
CN220984698U (zh) 一种电池盒
CN104124409A (zh) 深水锂电池
CN207009538U (zh) 一种碳包的隔离式锂电池
CN221408545U (zh) 可拆卸的无线传能装置
RU217149U1 (ru) Погружной литий-ионный аккумулятор для аккумуляторных батарей, предназначенных для установки в контейнерах разгруженного типа на подводных технических средствах

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20963235

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20963235

Country of ref document: EP

Kind code of ref document: A1

WWG Wipo information: grant in national office

Ref document number: 18013941

Country of ref document: US