WO2021104332A1 - 电池模块、装置及失效电池单体的失效处理方法 - Google Patents
电池模块、装置及失效电池单体的失效处理方法 Download PDFInfo
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- WO2021104332A1 WO2021104332A1 PCT/CN2020/131573 CN2020131573W WO2021104332A1 WO 2021104332 A1 WO2021104332 A1 WO 2021104332A1 CN 2020131573 W CN2020131573 W CN 2020131573W WO 2021104332 A1 WO2021104332 A1 WO 2021104332A1
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- battery cell
- arrangement structure
- battery
- cell arrangement
- mounting beam
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/66—Arrangements of batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/514—Methods for interconnecting adjacent batteries or cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/564—Terminals characterised by their manufacturing process
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- 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
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- This application relates to the technical field of energy storage devices, in particular to a battery module, a device, and a failure processing method for a failed battery cell.
- the battery module includes a plurality of battery cells stacked on each other, and the plurality of battery cells are electrically connected, so as to realize the output of electric energy of the battery module and supply power to the electric equipment.
- the battery module During the charging and discharging process of the battery cell, there is a risk of failure, and when a certain battery cell fails, the entire circuit of the battery module will fail, and the battery module will not work normally.
- a battery cell fails it is usually solved by replacing the entire battery module.
- the other battery cells can still work normally, and the entire battery module is directly replaced. The waste of resources, and the time required for battery module disassembly and assembly is long, which reduces work efficiency.
- the present application provides a battery module, a device, and a failure processing method for a failed battery cell, which can simplify the maintenance process of the battery module, reduce the maintenance cost, and improve the working efficiency (utilization rate) of the battery module.
- a first aspect of the embodiments of the present application provides a battery module, the battery module includes: a battery cell arrangement structure, including a plurality of battery cells arranged along a length direction of the battery module, the battery cells including electrode terminals , The electrode terminals are arranged along the length direction and face the width direction of the battery module, the battery cells include failed battery cells; a box body, the box body has an accommodating cavity, and the battery cell arrangement structure is located The accommodating cavity; a mounting beam, the mounting beam is located in the accommodating cavity, and is located at the end of the battery cell arrangement structure in the width direction, along the height direction of the battery module, the mounting beam has a second Upper end surface; pressure plate, at least part of the pressure plate is located at the end of the battery cell arrangement structure in the height direction, and the pressure plate is detachably connected to the mounting beam; a conductive component, the conductive component is connected to the failure The positive terminal and the negative terminal of the battery cell; wherein, along the height direction, at least part of the conductive member is located between the second upper
- the connection operation between the conductive component and the electrode terminal of the failed battery cell is facilitated, that is, there is no need to remove the mounting beam, and there is no need to remove the battery cell arrangement structure from the accommodating cavity. It can further simplify the maintenance process and reduce the maintenance cost.
- the pressure plate includes a body portion and a connecting portion, the body portion is located at an end portion of the battery cell arrangement structure in a height direction; one end of the connecting portion is connected to the body portion, The other end is detachably connected with the mounting beam.
- the connecting part of the pressure plate When the connecting part of the pressure plate is detachably connected to the mounting beam, not only the pressure plate can be installed on the mounting beam to improve the stability of the battery cell in the accommodating cavity, but also the connecting part can be easily removed from the mounting beam to facilitate Make connections to conductive parts.
- the uppermost battery cell has a first upper end surface, and the body portion is connected to the first upper end surface; the height of the first upper end surface is greater than that of the first upper end surface.
- the height of the second upper end surface; the connecting portion includes a first connecting section, a second connecting section and a transition section, the transition section connecting the first connecting section and the second connecting section; the first connecting section It is connected to the body part, or the first connecting section is connected to the body part and the first upper end surface; the second connecting section is detachably connected to the second upper end surface.
- connection reliability between the connection part and the battery cell and the main body part is high.
- the battery cell has a top cover plate, and the electrode terminals are arranged on the top cover plate; along the width direction, there is a preset distance between the top cover plate and the mounting beam
- the box body, the mounting beam and the pressure plate enclose a containing space, and the conductive component is located in the containing space.
- the preset distance between the top cover plate and the mounting beam is used to provide an electrical gap between the electrode terminals of the battery cell and the mounting beam, thereby avoiding electrical connection between the battery cell and the mounting beam and ensuring that the battery module can work normally.
- the box body, the mounting beam and the pressure plate enclose an accommodating space, which can facilitate the connection of the conductive components.
- the main body is bonded to the first upper end surface; the first connecting section is overlapped with the main body, and the overlap length between the two is 10 millimeters (mm) ⁇ 200 millimeters (mm).
- the battery module includes a row of the battery cell arrangement structure, and along the width direction, the body part does not exceed the battery cell arrangement structure, or along the width direction ,
- the battery module includes two rows of the battery cell arrangement structure, and the electrode terminals of the two rows of the battery cell arrangement structure are away from each other, and along the width direction, one end of the body part does not exceed one row of the battery cells.
- Body arrangement structure, the other end does not exceed the battery cell arrangement structure of another row.
- the battery module further includes a first connecting piece and a second connecting piece, and the first connecting piece and the second connecting piece are connected to the electrode terminals of the battery cell;
- the conductive component connects the first connecting piece and the second connecting piece connected to the failed battery cell; along the height direction, at least part of the first connecting piece and the second connecting piece are located on the second Between the end surface and the highest point of the pressure plate.
- the conductive component can be easily connected to the first connecting piece and the second connecting piece And compared with the conductive member directly connected to the electrode terminal, when the conductive member is connected to the connecting piece, the connection area between the two is larger, so that the flow area between the two can be increased, and the risk of excessive temperature at the connection position can be reduced.
- connection position of the conductive component and the first connecting piece is located between the second upper end surface and the pressure plate, and the conductive component is connected to the first connecting piece.
- the connecting position of the two connecting pieces is located between the second upper end surface and the highest point of the pressing plate.
- connection position of the conductive component with the first and second connection pieces is located above the second upper end surface of the mounting beam, so that the connection between the conductive component and the first connection piece and the second connection piece can be facilitated.
- the battery cell arrangement structure includes a first battery cell arrangement structure and a second battery cell arrangement structure.
- the first battery cell arrangement structure is located in the second battery cell arrangement structure.
- the first connecting piece connects the battery cells of the first battery cell arrangement structure and the battery cells of the second battery cell arrangement structure, and the second connecting piece is connected The battery cells of the first battery cell arrangement structure and the battery cells of the second battery cell arrangement structure.
- connection method makes the first connecting piece and the second connecting piece connected to the battery cells of the second battery cell arrangement structure located in the lower layer, at least part of the two connecting pieces are located above the second upper end surface of the mounting beam , which can be connected by conductive components, that is, the connection method makes the battery module include a two-layer battery cell arrangement structure, and when the battery cell of the second battery cell arrangement structure in the lower layer fails, the failed battery cell can also be connected through the conductive member. The battery cell (located in the lower layer), so that the maintenance of the failed battery cell can be achieved without disassembling the battery cell arrangement structure.
- a second aspect of the embodiments of the present application provides a device that uses a battery cell as a power source.
- the device includes: a power source for providing driving force to the device; and, configured to provide driving force to the device; A battery module as described above in which a power source provides electrical energy.
- the device When one or several battery cells fail during the operation of the battery module of the device, it is only necessary to connect the electrode terminals of the failed battery cells through the conductive parts, and there is no need to repair or replace the entire battery module.
- the device When a vehicle is used, the vehicle can be directly repaired in a 4S shop without the need for the whole vehicle to be returned to the factory for processing, or without the need to replace a new battery module, thereby improving the working efficiency of the battery module, simplifying the maintenance process and reducing maintenance costs.
- the third aspect of the embodiments of the present application provides a failure processing method for failed battery cells.
- the battery cell arrangement structure includes a plurality of battery cells, the battery cells include failed battery cells, and the failed battery cells include a positive electrode. Terminal and negative terminal, the end of the battery cell array structure in the width direction is provided with a mounting beam, and the end of the battery cell array structure in the height direction is provided with a pressure plate; the failure processing method includes: At least part of the pressure plate is removed from the mounting beam; the positive terminal and the negative terminal of the failed battery cell are electrically connected through the conductive component.
- the pressure plate includes a body portion and a connecting portion.
- the failure processing method includes: removing the connecting portion from the mounting beam. The beam is removed.
- the two electrode terminals of the failed battery cell are respectively connected to the first connecting piece and the second connecting piece, and the positive terminal and the negative terminal of the failed battery cell are passed through the conductive component.
- the failure processing method includes: electrically connecting the first connecting piece and the second connecting piece connected to the failed battery cell through the conductive component.
- the conductive component indirectly connects the two electrode terminals of the failed battery cell, thereby realizing the short circuit of the failed battery cell, and when the conductive component is connected to the two connecting pieces, the connection area between the two is larger, thereby increasing the flow area and reducing the conductivity There is a risk of excessive temperature at the connection point between the component and the connecting piece.
- the failure processing method further includes: the pressure plate removed from the mounting beam At least part of it is installed on the mounting beam.
- the maintenance of the failed battery cell can be completed, and the battery cell arrangement structure in the battery module can also be limited by the pressure plate and the mounting beam.
- FIG. 1 is a schematic diagram of a structure in a specific embodiment of the device provided by this application;
- Fig. 2 is a schematic structural diagram of the battery module in Fig. 1 in a specific embodiment, in which the pressure plate is connected to the mounting beam;
- Figure 3 is a partial enlarged view of part I in Figure 2;
- Figure 4 is an exploded view of Figure 2;
- FIG. 5 Fig. 2 is a schematic structural view with the connecting part of the pressure plate removed;
- FIG. 6 is a schematic diagram showing the structure of connecting the first connecting piece and the second connecting piece through a conductive member in FIG. 5;
- Figure 7 is a partial enlarged view of part II in Figure 6;
- Fig. 8 is an exploded view of Fig. 2, wherein the conductive component connects the first connecting piece and the second connecting piece;
- Figure 9 is a partial enlarged view of part III in Figure 8.
- Figure 10 is a cross-sectional view of Figure 3;
- Figure 11 is a partial enlarged view of part IV in Figure 10 in the first specific embodiment
- Figure 12 is a partial enlarged view of part IV in Figure 10 in a second specific embodiment
- FIG. 13 is a schematic structural diagram of the battery cell arrangement structure in the battery module in FIG. 2 in another specific embodiment
- Figure 14 is a partial enlarged view of part V in Figure 13;
- Figure 15 is a partial enlarged view of part VI in Figure 13;
- Figure 16 is a schematic view of the structure of the conductive component.
- the embodiment of the present application provides a device D and a battery module M that use the battery cell 13 as a power source.
- the device D that uses the battery cell 1 as a power source includes mobile equipment such as vehicles, ships, and small airplanes.
- the device D includes power
- the power source is used to provide driving force to the device D, and the power source may be configured as a battery module M that provides electrical energy to the device D.
- the driving force of the device D may be all electric energy, and may also include electric energy and other energy sources (such as mechanical energy).
- the power source may be a battery module M, and the power source may also be a battery module M and an engine. Therefore, any device D capable of using the battery cell 13 as a power source is within the protection scope of the present application.
- the device D in the embodiment of the present application may be a new energy vehicle.
- the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or a range-extended vehicle.
- the vehicle may include a battery module M and a vehicle body.
- the battery module M is provided on the vehicle body.
- the vehicle body is also provided with a drive motor, and the drive motor is electrically connected to the battery module M.
- the battery module M provides electrical energy to drive the motor.
- the transmission mechanism is connected with the wheels on the vehicle body to drive the vehicle to travel.
- the battery module M may be horizontally arranged at the bottom of the vehicle body.
- the battery module M may include a box body 5 (the box body 5 shown in FIG. 2 is a structure with an upper cover omitted), and the box body 5 has a receiving cavity 51 for placing battery cells.
- the body 13 (see FIG. 4), and a plurality of battery cells 13 are stacked in the accommodating cavity 51.
- the type of the box 5 is not limited, and may be a frame-shaped box, a disk-shaped box, or a box-shaped box.
- the box 5 may be a box 5 with a rectangular parallelepiped structure.
- the battery module M includes one or more battery cell array structures 1 (see FIG. 10), and the battery cell array structure 1 includes a plurality of battery cells arranged along the length direction X. 13, that is, in the battery cell arrangement structure 1, the electrode terminals 131 of each battery cell 13 are arranged along the length direction X and face the width direction Y.
- the width direction Y refers to the width direction Y of the battery module M.
- the battery module M may include one battery cell arrangement structure 1 or two battery cell arrangement structures 1 along the width direction Y.
- the electrode terminals 131 of the battery cells 13 in the two battery cell arrangement structures 1 are away from each other, and their bottoms are close to each other.
- the electrode terminal 131 of the battery cell 13 in one of the battery cell arrangement structure 1 faces one direction in the width direction Y
- the electrode terminal 131 of the battery cell 13 in the other battery cell arrangement structure 1 faces the other direction in the width direction Y.
- the two battery cell arrangement structures 1 approach or abut each other along the width direction Y.
- the battery module M may include one layer of battery cell arrangement structure 1, or two layers of battery cell arrangement structure 1, wherein each layer may include a structure arranged along the width direction Y Two battery cell arrangement structure 1.
- the battery module M includes two layers of battery cell arrangement structures 1, namely a first battery cell arrangement structure 11 and a second battery cell arrangement structure 12, which are along the height direction Z Stacked on top of each other.
- each battery cell 13 includes a positive terminal 131a and a negative terminal 131b (see FIG. 9).
- a plurality of battery cells 13 are electrically connected to form a circuit of the battery module M.
- Each battery cell 13 can be connected in series and/or in parallel, and the battery cells 13 are connected by connecting pieces (the first connecting piece 2 and the second connecting piece 3).
- the positive terminal 131a of one battery cell 13 and the negative terminal 131b of the other battery cell 13 are connected by a connecting piece.
- each battery cell 13 is continuously charged and discharged, and during the charging and discharging process, the battery cell 13 has the risk of failure (such as thermal runaway), which causes the battery cell 13 to fail to work normally.
- the battery cell 13 that fails and fails, that is, the failed battery cell 133 causes the circuit of the battery module M to malfunction and cannot supply power normally.
- this application solves the technical problem by short-circuiting the failed battery cell 133 and re-forming the circuit.
- the box body 5 of the battery module M further includes a mounting beam 52, which is located in the accommodating cavity 51 of the box body 5 and located in the battery cell arrangement structure 1 along the width direction.
- the end of Y, that is, the electrode terminal 131 of the battery cell arrangement structure 1 faces the mounting beam 52.
- the battery module M may also include a pressing plate 4, at least part of which is located at the end of the battery cell arrangement structure 1 along the height direction Z, and the pressing plate 4 is detachably connected to the mounting beam 52. After the two are connected, The pressing plate 4 can be used to provide a limit to the battery cell arrangement structure 1 along the height direction Z, thereby improving its stability in the containing cavity 51.
- the battery module M may also include a conductive component 6.
- the conductive component 6 is used to directly or indirectly connect the positive terminal 131a of the failed battery cell 133 and The negative terminal 131b, wherein the conductive member 6 can be connected to the electrode terminal 131 of the failed battery cell 133 inside the failed battery cell 133, or can be connected to the electrode of the failed battery cell 133 outside the failed battery cell 133 Terminal 131, and the conductive member 6 may be directly connected to the electrode terminal 131 of the failed battery cell 133, or when the electrode terminal 131 is connected to the connecting piece, the conductive member 6 may be connected to the connecting piece connected to the electrode terminal 131 Therefore, a short circuit between the positive terminal 131 a and the negative terminal 131 b of the failed battery cell 133 can be realized by the conductive member 6, so that the failed battery cell 133 is removed from the charge and discharge circuit of the battery module M.
- the battery cell 13 involved in the embodiment of the present application may be a soft pack battery, a square battery or a cylindrical battery, etc.
- the electrode terminal 131 (including the positive terminal 131a and the negative terminal 131b) of the battery cell 13 It can be the electrode terminal 131 of a soft pack battery, or the electrode terminal 131 of a square battery or a cylindrical battery.
- the electrode terminal 131 It can also be a structure in which the pole and the transfer piece are connected.
- the battery module M when one or several battery cells 13 fail during the operation of the battery module M, it is only necessary to connect the electrode terminals 131 of the failed battery cell 133 through the conductive member 6 without replacing the entire battery module M.
- the battery module M when one or several battery cells 13 fail, the vehicle can be directly repaired in a 4S shop without the need to return the vehicle to the factory for processing, or to replace a new battery module M , Thereby improving the working efficiency of maintenance and the working efficiency (utilization rate) of the battery module M, and simplifying the maintenance process and maintenance cost.
- the current passing through the failed battery unit 133 is relatively small, so that the battery capacity of the battery module M will not be greatly reduced, so that the battery module M can work normally.
- the method of short-circuiting the failed battery cell 133 by the conductive member 6 has the advantages of convenient operation and high efficiency.
- the point refers to the position where the height of the pressing plate 4 is the highest along the height direction Z (based on the same plane, for example, the bottom surface of the box 5 of the battery module M).
- the pressing plate 4 includes a body portion 41 and a connecting portion 42, wherein the body portion 41 is a flat plate structure (the height of each part is the same), and the connecting portion 42 may include a first The connecting section 421, the second connecting section 422, and the transition section 423, wherein, along the width direction Y, the transition section 423 connects the first connecting section 421 and the second connecting section 422, the first connecting section 421 connects the body 41, and the second connecting section 421
- the connecting section 422 is connected to the mounting beam 52.
- the height of the first connecting section 421 is greater than the height of the second connecting section 422, and the transition section 423 extends along the height direction Z, so that the cross section of the connecting portion 42 is generally Z-shaped.
- the connecting portion 42 of the structure can facilitate the connection with the mounting beam 52 and the body portion 41.
- the first connecting section 421 of the connecting portion 42 overlaps the upper part of the main body 41. At this time, the highest point of the pressing plate 4 is the first connecting section 421. Therefore, in this embodiment, along the height direction Z, the conductive member 6 At least partly located between the second upper end surface 521 of the mounting beam 52 and the first connecting section 421 of the pressure plate 4, that is, located above the second upper end surface 521 (not necessarily in contact with the second upper end surface 521), the first connecting section 421 (Not necessarily in contact with the first connecting section 421), that is, there may be no connection relationship between the conductive component 6 and the mounting beam 52 and the pressure plate 4, or the conductive component 6 and the mounting beam 52 are connected and insulated by other components , The conductive component 6 and the first connecting section 421 are connected and insulated by other components.
- the battery module M further includes a first connecting piece 2 and a second connecting piece 3, the first connecting piece 2 and the second connecting piece 3 and the electrode terminals of the battery cell 13 131 connection, the above-mentioned conductive member 6 is connected to the first connecting piece 2 and the second connecting piece 3 connected to the failed battery cell 133, that is, in this embodiment, the conductive member 6 can indirectly connect the two electrode terminals of the failed battery cell 133 131.
- the first connecting piece 2 and the second connecting piece 3 is located between the mounting beam 52 and the highest point of the pressure plate 4.
- the conductive member 6 when at least part of the first connecting piece 2 and the second connecting piece 3 connected to the electrode terminal 131 of the failed battery cell 133 is located above the second upper end surface 521 of the mounting beam 52, the conductive member 6 can be facilitated. Compared with the first connection piece 2 and the second connection piece 3, and compared with the conductive member 6 directly connected to the electrode terminal 131, when the conductive member 6 is connected to the connection piece, the connection area between the two is larger, which can improve both The over-current area between them reduces the risk of excessively high temperature at the connection location.
- the connecting position of the conductive member 6 and the first connecting piece 2 is located between the mounting beam 52 and the pressure plate 4, and the connecting position of the conductive member 6 and the second connecting piece 3 is located on the mounting beam 52
- the connection position between the conductive member 6 and the first connecting piece 2 and the second connecting piece 3 is located above the second upper end surface 521 of the mounting beam 52 between the highest point of the pressing plate 4 and the conductive member 6 to facilitate the realization of the conductive member 6 and the second upper end surface 521.
- the battery cell 13 has a top cover 134, the electrode terminal 131 is disposed on the top cover 134, along the width direction Y, the top cover 134 and the mounting beam 52 There is a preset distance between them, and the preset distance is used to provide an electrical gap between the electrode terminal 131 of the battery cell 13 and the mounting beam 52, thereby avoiding electrical connection between the battery cell 13 and the mounting beam 52, and ensuring that the battery module M can be normal jobs.
- the box body 5 when the pressure plate 4 is connected to the mounting beam 52, the box body 5, the mounting beam 52 and the pressure plate 4 enclose a receiving space 53, and the conductive component 6 is located in the receiving space 53, which can also facilitate the realization of the conductive component 6 and the first The connection between the connecting piece 2 and the second connecting piece 3.
- the conductive member 6 is connected to the electrode terminal 131. Specifically, when the failed battery cell 133 is located in the uppermost battery cell arrangement structure 1, the conductive member 6 can be directly connected to the electrode terminal 131 of the failed battery cell 133. As shown in FIG. 14, since the positive terminal 131a of the failed battery cell 133 is connected to the first connecting piece 2, the negative terminal 131b is connected to the second connecting piece 3.
- the conductive member 6 when the conductive member 6 is directly connected to the positive terminal 131a and the negative terminal 131b, along the width direction Y, at least part of the conductive member 6 is located between the two connecting pieces and the top cover plate 134 of the failed battery cell 133 Therefore, it can be connected to the positive terminal 131a and the negative terminal 131b.
- the failed battery cell 133 When the failed battery cell 133 is located in the lower battery cell arrangement structure 1, the failed battery cell 133 is located below the second upper end surface 521 of the mounting beam 52, and the direct connection of the conductive member 6 and the failed battery cell 133 is not easy to achieve , And because the positive terminal 131a of the failed battery cell 133 is connected to the first connecting piece 2, the negative terminal 131b is connected to the second connecting piece 3. At the same time, the first connecting piece 2 is also connected to the upper battery cell 11, The second connecting piece 3 is also connected to the battery cell 11 located on the upper layer. Therefore, the conductive member 6 can also connect the electrode terminal 131 connected to the first connecting piece 2 and the electrode terminal 131 connected to the second connecting piece 3 located on the upper layer. , Thereby indirectly connecting the electrode terminal 131 of the failed battery cell 133.
- the conductive member 6 and the electrode terminal 131 when they are connected, they can be connected by welding, of course, they can also be connected by other structures.
- the conductive member 6 includes two mating grooves 61 spaced apart along the length direction X, and the distance between the two mating grooves 61 is greater than that between the two electrode terminals 131 connected to the conductive member 6 The distance is the same.
- FIG. 14 when the conductive member 6 connects the positive terminal 131a and the negative terminal 131b of the failed battery cell 133, at least part of the two electrode terminals 131 are respectively located in the corresponding matching groove 61, thereby realizing the conductive member 6 and the negative terminal 131b.
- the connection between the electrode terminals 131 when the conductive member 6 connects the positive terminal 131a and the negative terminal 131b of the failed battery cell 133, at least part of the two electrode terminals 131 are respectively located in the corresponding matching groove 61, thereby realizing the conductive member 6 and the negative terminal 131b. The connection between
- the matching groove 61 has a downward opening, and also has a top wall 612 disposed opposite to the opening.
- the matching groove 61 includes two opposite side walls 611.
- the electrode terminal 131 abuts against the top wall 612, and the electrode terminal 131 also abuts against the two side walls 611, so that the electrode terminal 131 and the mating groove 61 61 is adapted to improve the reliability of the connection between the conductive component 6 and the electrode terminal 131.
- the conductive component 6 and the corresponding electrode terminal 131 can also be connected by welding or by conductive glue.
- the pressing plate 4 may include a body portion 41 and a connecting portion 42.
- the body portion 41 is located at the end of the battery cell arrangement structure 1 along the height direction Z, and is connected to One end of the portion 42 is connected to the body portion 41, and the other end is detachably connected to the mounting beam 52, thereby realizing the connection between the pressure plate 4 and the mounting beam 52.
- the connecting portion 42 of the pressure plate 4 and the mounting beam 52 may be directly connected, and a rubber pad may also be included between the two, that is, between the connecting portion 42 and the mounting beam 52
- the rubber pad can be connected to each other. Therefore, when the battery module M vibrates, the rubber pad can cushion the vibration between the connecting portion 42 and the mounting beam 52, and improve the reliability of the connection between the pressure plate 4 and the mounting beam 52.
- the connecting portion 42 of the pressing plate 4 when the connecting portion 42 of the pressing plate 4 is detachably connected to the mounting beam 52, not only the pressing plate 4 can be installed on the mounting beam 52, so as to improve the stability of the battery cell 13 in the accommodating cavity 51, but also to facilitate
- the connecting portion 42 is removed from the mounting beam 52, so that at least part of the first connecting piece 2 and the second connecting piece 3 can be exposed from the mounting beam 52, so that the first connecting piece 2 and the second connecting piece 2 can be connected through the conductive member 6.
- the connecting portion 42 detachably connected to the mounting beam 52 can be easily removed, thereby facilitating the realization of the conductive member 6 and the first connection The connection of the sheet 2 and the second connecting sheet 3.
- the uppermost battery cell 13 has a first upper end surface 132, and the body portion 41 is connected to the first upper end surface 132.
- the two can be specifically structured Adhesion, or the two can also be connected in other ways.
- the mounting beam 52 has a second upper end surface 521, and the height of the first upper end surface 132 is greater than the height of the second upper end surface 521, that is, the first upper end surface 132 is located above the second upper end surface 521 .
- the first connecting section 421 may be connected to the upper end surface of the body portion 41, thereby increasing the contact area between the two, and the first connecting section 421 may be overlapped with the upper end surface of the body portion 41.
- the upper end, and the first connecting section 421 and the main body 41 can be fixedly connected by screws, or the two can also be connected by means of structural glue.
- the second connecting section 422 is connected to the second upper part of the mounting beam 52.
- the end surface 521 can be detachably connected, and the two can be specifically locked by bolts.
- the connecting portion 42 may further include a pressing block 424, and the pressing block 424 is connected below the first connecting section 421, and the thickness of the pressing block 424 along the height direction Z is the same as that of the body part. 41 has the same thickness.
- the pressing block 424 can abut the first upper end surface 132 of the battery cell 13, that is, the first connecting section 421 is connected to the main body 41 and the first upper end surface 132.
- One upper end surface 132 is connected, and at the same time, the second connecting section 422 is detachably connected to the second upper end surface 521 of the mounting beam 52.
- the reliability of the connection between the connecting portion 42 and the battery cell 13 and the main body portion 41 is relatively high.
- the pressing plate 4 may include two connecting portions 42, and along the width direction Y, the two connecting portions 42 are connected to both ends of the body portion 41, so that both ends of the pressing plate 4 in the width direction Y are equal. Connect with the installation beam 52.
- the first connecting section 421 is overlapped with the main body 41, and the overlap length between the two is 10mm ⁇ 200mm.
- the overlap length can be 150mm, 180mm, etc., and when the overlap length between the two is larger At this time, the reliability of the connection between the connecting portion 42 and the main body portion 41 is high.
- the body portion 41 does not exceed the battery cell arrangement structure 1, so that the body portion 41 will not affect
- the conductive member 6 connects the first connecting piece 2 and the second connecting piece 3.
- the width direction Y when the battery module M includes two rows of battery cell arrangement structure 1, along the width direction Y, one end of the main body 41 does not exceed one row of battery cells. In the arrangement structure 1, the other end does not exceed the battery cell arrangement structure 2 of the other row, that is, the width of the body portion 41 is smaller than the sum of the widths of the two rows of battery cell arrangement structures 1.
- the battery module M includes a two-layer battery cell arrangement structure 1, specifically: a first battery cell arrangement structure 11 and a second battery cell arrangement structure 1.
- Body arrangement structure 12, and along the height direction Z, the first battery cell arrangement structure 11 is located above the second battery cell arrangement structure 12, and the first connecting piece 2 is connected to the battery cells of the first battery cell arrangement structure 11
- the body 13 and the battery cell 13 of the second battery cell arrangement structure 12, the second connecting piece 3 connects the battery cell 13 of the first battery cell arrangement structure 11 and the battery cell 13 of the second battery cell arrangement structure 12 That is, the battery cells 13 of the first battery cell arrangement structure 11 and the battery cells 13 of the second battery cell arrangement structure 12 are connected in series through the first connecting piece 2 and the second connecting piece 3. Therefore, the first A connecting piece 2 and a second connecting piece 3 are arranged obliquely along the height direction Z.
- connection is such that in the first connecting piece 2 and the second connecting piece 3 connected to the battery cell 13 of the second battery cell arrangement structure 12 located in the lower layer, at least part of the two connecting pieces are located Above the second upper end surface 521 of the mounting beam 52, it can be connected by the conductive member 6. That is, the connection method enables the battery module M to include a two-layer battery cell arrangement structure 1, and a second battery cell arrangement structure 12 located on the lower layer When the battery cell 13 fails, the failed battery cell 133 (located in the lower layer) can also be connected through the conductive member 6, so that the maintenance of the failed battery cell 133 can be achieved without disassembling the battery cell arrangement structure 1.
- the embodiment of the present application also provides a failure processing method for a failed battery cell 133, and the failure processing method includes the following steps:
- the positive terminal 131a and the negative terminal 131b of the failed battery cell 133 are electrically connected through the conductive member 6, wherein the conductive member 6 can be directly connected to the positive terminal 131a and the negative terminal 131b, or indirectly connected to the positive terminal 131a and the negative terminal 131b (For example, the first connecting piece 2 and the second connecting piece 3 are connected).
- the conductive member 6 may be a metal sheet or the like, so as to realize a short circuit between the positive terminal 131a and the negative terminal 131b, and the cross-sectional area of the conductive member 6 should be able to meet the overcurrent requirement of the battery module M, thereby avoiding electrical conduction.
- the temperature of component 6 is too high.
- the pressing plate 4 may include a body portion 41 and a connecting portion 42, the body portion 41 is connected to the connecting portion 42, and in the pressing plate 4, the body portion 41 is connected to the battery cell arrangement structure 1, and the connecting portion 42 Connected to the installation beam, therefore, the above step S1 may specifically be:
- the connecting portion 42 is detachably connected to the mounting beam 52 and the body portion 41.
- the entire pressing plate 4 does not need to be disassembled, and the failed battery cell 133 can be removed only by disassembling the connecting portion 42. At least part of the exposed, thus facilitating maintenance.
- the two electrode terminals 131 of the failed battery cell 133 are respectively connected to the first connecting piece 2 and the second connecting piece 3. Therefore, the foregoing step S2 may specifically be:
- the conductive member 6 indirectly connects the two electrode terminals 131 of the failed battery cell 133, thereby realizing a short circuit of the failed battery cell 133, and when the conductive member 6 is connected to the two connecting pieces, the connection area between the two is relatively large. Large, thereby increasing the overcurrent area, and reducing the risk of excessively high temperature at the connecting position of the conductive component 6 and the connecting piece.
- the conductive component 6 and the two connecting pieces may be connected by welding, or may also be connected by bonding, riveting and other methods.
- the failure processing method may further include:
- this step S3 may specifically be:
- the maintenance of the failed battery cell 133 can be completed, and in the battery module M, the battery cell arrangement structure 1 can also be installed through the pressing plate 4 and Beam 52 is limited.
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Abstract
Description
Claims (14)
- 一种电池模块(M),其中,所述电池模块(M)包括:电池单体排列结构(1),包括沿所述电池模块(M)的长度方向(X)排列的多个电池单体(13),所述电池单体(13)包括电极端子(131),所述电极端子(131)沿长度方向(X)布置,并朝向所述电池模块(M)的宽度方向(Y),所述电池单体(13)包括失效电池单体(133);箱体(5),所述箱体(5)具有容纳腔(51),所述电池单体排列结构(1)位于所述容纳腔(51);安装梁(52),所述安装梁(52)位于所述容纳腔(51),并位于所述电池单体排列结构(1)沿宽度方向(Y)的端部,沿所述电池模块(M)的高度方向(Z),所述安装梁(52)具有第二上端面(521);压板(4),所述压板(4)的至少部分位于所述电池单体排列结构(1)沿高度方向(Z)的端部,且所述压板(4)与所述安装梁(52)可拆卸连接;导电部件(6),所述导电部件(6)连接所述失效电池单体(133)的正极端子(131a)和负极端子(131b);其中,沿高度方向(Z),所述导电部件(6)的至少部分位于所述第二上端面(521)与所述压板(4)的最高点之间。
- 根据权利要求1所述的电池模块(M),其中,所述压板(4)包括本体部(41)和连接部(42),所述本体部(41)位于所述电池单体排列结构(1)沿高度方向(Z)的端部;所述连接部(42)的一端与所述本体部(41)连接,另一端与所述安装梁(52)可拆卸连接。
- 根据权利要求2所述的电池模块(M),其中,沿高度方向(Z),最上层的所述电池单体(13)具有第一上端面(132),所述本体部(41)与所述第 一上端面(132)连接;所述第一上端面(132)的高度大于所述第二上端面(521)的高度;所述连接部(42)包括第一连接段(421)、第二连接段(422)和过渡段(423),所述过渡段(423)连接所述第一连接段(421)和所述第二连接段(422);所述第一连接段(421)与所述本体部(41)连接,或者,所述第一连接段(421)与所述本体部(41)和所述第一上端面(132)连接;所述第二连接段(422)与所述第二上端面(521)可拆卸连接。
- 根据权利要求1~3中任一项所述的电池模块(M),其中,所述电池单体(13)具有顶盖板(134),所述电极端子(131)设置于所述顶盖板(134);沿宽度方向(Y),所述顶盖板(134)与所述安装梁(52)之间具有预设距离;所述压板(4)与所述安装梁(52)连接时,所述箱体(5)、所述安装梁(52)与所述压板(4)围成容纳空间(53),所述导电部件(6)位于所述容纳空间(53)。
- 根据权利要求3所述的电池模块(M),其中,所述本体部(41)与所述第一上端面(132)粘接;所述第一连接段(421)与所述本体部(41)搭接,且二者的搭接长度为10mm~200mm。
- 根据权利要求2或3所述的电池模块(M),其中,沿宽度方向(Y),所述电池模块(M)包括一排所述电池单体排列结构(1),沿宽度方向(Y),所述本体部(41)不超出所述电池单体排列结构(1),或者;沿宽度方向(Y),所述电池模块(M)包括两排所述电池单体排列结构(1),且两排所述电池单体排列结构(1)的电极端子(131)相互背离,沿宽度方向(Y),所述本体部(41)的一端不超出一排所述电池单体排列结构(1),另一端不超出另一排所述电池单体排列结构(1)。
- 根据权利要求1~6中任一项所述的电池模块(M),其中,所述电池模 块(M)还包括第一连接片(2)和第二连接片(3),所述第一连接片(2)和所述第二连接片(3)与所述电池单体(13)的电极端子(131)连接;所述导电部件(6)连接与所述失效电池单体(133)连接的第一连接片(2)和第二连接片(3);沿所述高度方向(Z),所述第一连接片(2)和所述第二连接片(3)的至少部分位于所述第二上端面(521)与所述压板(4)的最高点之间。
- 根据权利要求1~7中任一项所述的电池模块(M),其中,沿所述高度方向(Z),所述导电部件(6)与所述第一连接片(2)的连接位置位于所述第二上端面(521)与所述压板(4)之间,所述导电部件(6)与所述第二连接片(3)的连接位置位于所述第二上端面(521)与所述压板(4)的最高点之间。
- 根据权利要求1~8中任一项所述的电池模块(M),其中,所述电池单体排列结构(1)包括第一电池单体排列结构(11)和第二电池单体排列结构(12),沿高度方向(Z),所述第一电池单体排列结构(11)位于所述第二电池单体排列结构(12)的上方;所述第一连接片(2)连接所述第一电池单体排列结构(11)的电池单体(13)和所述第二电池单体排列结构(12)的电池单体(13),所述第二连接片(3)连接所述第一电池单体排列结构(11)的电池单体(13)和所述第二电池单体排列结构(12)的电池单体(13)。
- 一种装置(D),使用电池单体(13)作为电源,其中,所述装置(D)包括:动力源,所述动力源用于为所述装置(D)提供驱动力;和,被配置为向所述动力源提供电能的如权利要求1~9中任一项所述的电池模块(M)。
- 一种失效电池单体(133)的失效处理方法,其中,电池单体排列结构(1)包括多个电池单体(13),所述电池单体(13)包括失效电池单体(133), 所述失效电池单体(133)包括正极端子(131a)和负极端子(131b),所述电池单体排列结构(1)沿宽度方向(Y)的端部设置有安装梁(52),所述电池单体排列结构(1)沿高度方向(Z)的端部设置有压板(4);所述失效处理方法包括:将所述压板(4)的至少部分从所述安装梁(52)拆下;将所述失效电池单体(133)的正极端子(131a)和负极端子(131b)通过所述导电部件(6)电连接。
- 根据权利要求11所述的失效处理方法,其中,所述压板(4)包括本体部(41)和连接部(42),将所述压板(4)的至少部分从所述安装梁(52)拆下时,所述失效处理方法包括:将所述连接部(42)从所述安装梁(52)拆下。
- 根据权利要求11或12所述的失效处理方法,其中,所述失效电池单体(133)的两个电极端子(131)分别与第一连接片(2)和第二连接片(3)连接,将所述失效电池单体(133)的正极端子(131a)和负极端子(131b)通过所述导电部件(6)电连接时,所述失效处理方法包括:将与所述失效电池单体(133)连接的所述第一连接片(2)和所述第二连接片(3)通过所述导电部件(6)电连接。
- 根据权利要求11~13任一项所述的失效处理方法,其中,将所述失效电池单体(133)的正极端子(131a)和负极端子(131b)通过所述导电部件(6)电连接之后,所述失效处理方法还包括:将从所述安装梁(52)拆下的所述压板(4)的至少部分安装于所述安装梁(52)。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20892646.9A EP3930083A4 (en) | 2019-11-29 | 2020-11-25 | BATTERY MODULE, DEVICE AND FAILURE HANDLING PROCEDURE FOR FAILED BATTERY CELL |
KR1020227017272A KR102517184B1 (ko) | 2019-11-29 | 2020-11-25 | 배터리 모듈, 장치 및 실효 배터리 셀의 실효 처리 방법 |
JP2022530972A JP7256335B2 (ja) | 2019-11-29 | 2020-11-25 | 電池モジュール、装置及び故障した電池セルの故障処理方法 |
US17/488,497 US11588186B2 (en) | 2019-11-29 | 2021-09-29 | Battery module, device, and failure handling method for failed battery cell |
US18/152,956 US20230170535A1 (en) | 2019-11-29 | 2023-01-11 | Battery module, device, and failure handling method for failed battery cell |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201911205489.5A CN112331983B (zh) | 2019-11-29 | 2019-11-29 | 电池模块、装置及失效电池单体的失效处理方法 |
CN201911205489.5 | 2019-11-29 |
Related Child Applications (1)
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US17/488,497 Continuation US11588186B2 (en) | 2019-11-29 | 2021-09-29 | Battery module, device, and failure handling method for failed battery cell |
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WO2021104332A1 true WO2021104332A1 (zh) | 2021-06-03 |
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PCT/CN2020/131573 WO2021104332A1 (zh) | 2019-11-29 | 2020-11-25 | 电池模块、装置及失效电池单体的失效处理方法 |
Country Status (6)
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US (2) | US11588186B2 (zh) |
EP (1) | EP3930083A4 (zh) |
JP (1) | JP7256335B2 (zh) |
KR (1) | KR102517184B1 (zh) |
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CN112310492B (zh) * | 2019-11-29 | 2021-08-20 | 宁德时代新能源科技股份有限公司 | 电池模块、装置及失效电池单体的失效处理方法 |
JP7509911B2 (ja) | 2020-04-03 | 2024-07-02 | 寧徳時代新能源科技股▲分▼有限公司 | 電池モジュール、電池パック、装置及び故障処理方法 |
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EP3930083A1 (en) | 2021-12-29 |
US11588186B2 (en) | 2023-02-21 |
EP3930083A4 (en) | 2022-06-08 |
US20230170535A1 (en) | 2023-06-01 |
CN112331983A (zh) | 2021-02-05 |
JP2022549026A (ja) | 2022-11-22 |
US20220021033A1 (en) | 2022-01-20 |
JP7256335B2 (ja) | 2023-04-11 |
KR102517184B1 (ko) | 2023-04-05 |
KR20220090550A (ko) | 2022-06-29 |
CN112331983B (zh) | 2021-10-08 |
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