CN111200086A - Modularization laminate polymer battery group and consumer - Google Patents
Modularization laminate polymer battery group and consumer Download PDFInfo
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- CN111200086A CN111200086A CN202010117048.6A CN202010117048A CN111200086A CN 111200086 A CN111200086 A CN 111200086A CN 202010117048 A CN202010117048 A CN 202010117048A CN 111200086 A CN111200086 A CN 111200086A
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- 229920000642 polymer Polymers 0.000 title claims description 24
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 56
- 239000000945 filler Substances 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 11
- 238000005470 impregnation Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 10
- 239000011231 conductive filler Substances 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a modularized soft package battery pack, which comprises a plurality of battery cells and a module shell, wherein all the battery cells are electrically connected through corresponding tabs, all the battery cells are fixed in the module shell, and the module shell is made of a weldable material.
Description
Technical Field
The invention relates to the field of batteries, in particular to a modularized soft package battery pack and electric equipment.
Background
The lithium ion battery has the advantages of large battery capacity and small volume. Lithium ion battery often includes battery case and a plurality of laminate polymer battery group, laminate polymer battery group is formed through the series-parallel connection by a plurality of electric cores, as shown in fig. 1, electric core 1 of current laminate polymer battery group is fixed by frame 6, the connecting rod and the bolt of the 6 rethread overlengths of frame of each electric core 1 concatenate fixedly, make 1 fixed laminate polymer battery group that forms of each electric core, after a plurality of electric cores 1 and its frame 6 concatenate and form laminate polymer battery group, again pass through the bolt with a plurality of laminate polymer battery groups, splice such as link, rethread bolt after the concatenation of a plurality of laminate polymer battery groups, link etc. are fixed in the battery case, this kind of laminate polymer battery group mainly has following problem: 1. the connecting frames need to occupy a large amount of space by splicing the bolts, the connecting frames and the like, and a combined body formed by connection has large volume and is inconvenient to install and arrange; 2. a large number of bolts and connecting frames are needed for fixedly connecting the soft package battery packs, and the soft package battery packs are inconvenient to fixedly connect; 3. each soft package battery pack is connected with the bolt through the connecting frame, and is unstable and easy to misplace after connection; 4. leave the clearance between each laminate polymer battery group that the concatenation formed, laminate polymer battery group during operation can generate heat, and the air in the clearance between each laminate polymer battery group can form the heat preservation, is unfavorable for the during operation heat dissipation.
Disclosure of Invention
The invention aims to provide a modularized soft package battery pack and electric equipment, which are small in size, convenient for splicing a plurality of soft package battery packs and fixing the soft package battery packs with a battery box, firm in connection after splicing the plurality of soft package battery packs, and good in heat dissipation.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the invention discloses a modularized soft package battery pack which comprises a plurality of battery cells and a module shell, wherein all the battery cells are electrically connected through corresponding tabs, all the battery cells are fixed in the module shell, and the module shell is made of weldable materials.
The invention has the beneficial effects that: laminate polymer battery group modularization, the modularization of different modularization laminate polymer battery group accessible module shell direct welding, the concatenation of being convenient for, no bolt and other link, volume after can reducing a plurality of modularization laminate polymer battery group concatenations greatly, be convenient for install and arrange, directly through welded connection between a plurality of modularization laminate polymer battery groups, it is fixed firm, can not take place the dislocation between the modularization laminate polymer battery group of difference, clearance between the modularization laminate polymer battery group through the mode concatenation of direct welding is little or the zero clearance, can reduce the air bed between the clearance to radiating influence, improve heat dispersion, when the material of can welding is selected for use equally to the battery case, a plurality of modularization laminate polymer battery group after the concatenation can be directly welded with the battery case, need not unnecessary link etc. when can further reducing the use, the volume of battery case.
Furthermore, the battery pack further comprises a heat-conducting filler, the heat-conducting filler is arranged in the module shell, the heat-conducting filler fills gaps between the battery cells and the module shell, the battery cells are fixed by the heat-conducting filler, and the module shell is made of a heat-conducting material.
The beneficial effect of adopting the further scheme is that: electric core passes through the module shell and the heat conduction filler in it is fixed, and the heat that electric core work produced is scattered through heat conduction filler and module shell, and heat dispersion is good, even the battery jolts or rocks, can not take place the friction yet between the electric core and cause wearing and tearing, and electric core need not frame fixed connection, can reduce the volume of modularization laminate polymer battery group, is convenient for install and arrange.
Further, the heat-conducting filler is filled in the module shell by adopting a vacuum impregnation method.
The beneficial effect of adopting the further scheme is that: the heat-conducting filler is compact, no air is left between the heat-conducting filler, between the heat-conducting filler and the battery cell and between the heat-conducting filler and the module shell, the phenomenon that the residual air in the gap forms a heat-insulating layer to be unfavorable for heat dissipation can be avoided, and the heat dissipation effect is good.
Furthermore, the battery pack further comprises a busbar, all the lugs of the battery cell penetrate out of the module shell, and all the lugs are arranged outside the module shell and are electrically connected through the busbar.
The beneficial effect of adopting the further scheme is that: make things convenient for the connection between the utmost point ear and between the soft packet of battery of different modularization, the module shell is worn out to utmost point ear, can reduce the volume of module shell, and the heat conduction filler quantity that corresponds with it can reduce, and material saving and weight are lighter more, and during utmost point ear lug connection, it is inconvenient to connect a plurality of utmost point ears, connects through the busbar, can easily connect a plurality of utmost point ears parallelly connected, and it is convenient to connect.
Furthermore, the busbar is provided with a through hole, the through hole corresponds to the lug, the lug is adapted to the through hole, one end of the lug corresponds to the battery cell, the other end of the lug is inserted into the through hole corresponding to the busbar, and the lug and the busbar are connected through laser welding at the through hole.
The beneficial effect of adopting the further scheme is that: the existing connection method of the bus bar and the pole lugs is characterized in that the existing connection method is that the existing connection method mostly passes through the upper ends of the pole lugs from the lower part to pass through holes in the bus bar and then is bent, the bent parts of the pole lugs are pressed above the bus bar and are welded by laser welding, and the connection method mainly has the following problems: 1. a gap is reserved between the lug and the through hole of the bus bar, so that the effective flow area of the bus bar is reduced; 2. the tab is pressed above the busbar after being bent, the tab is made of metal, the metal has elasticity after being bent, the tab has a rebound tendency, a gap is formed between the side surface of the tab, which faces the busbar, and the busbar after being bent, the tab is likely to cause insufficient welding due to insufficient adhesion between the tab and the busbar during laser welding, and the tab and the busbar are also easily separated after welding is finished; 3. the method comprises the following steps that a tab is irradiated downwards from the upper part of the bent tab by laser, so that the tab is welded with a bus bar below the tab, a welding seam of the tab and the bus bar is arranged on the surface, facing the bus bar, of the tab, the welding seam is shielded by the tab, and the welding quality cannot be detected by a common appearance detection method and other methods after welding; in this scheme, the through-hole is filled to the welding seam, and busbar overflow area can not be occupied, and the welding seam exposes the surface that the electric core was kept away from to the busbar, is convenient for detect welding quality through methods such as outward appearance detection commonly used, and utmost point ear is not bent, and no resilience force, busbar and utmost point ear welding are firm, can avoid the rosin joint.
Furthermore, the end of the battery cell is far away from the lug, the side of the battery cell is far away from the busbar, the through hole is correspondingly formed in the through hole and is connected through laser welding, a welding seam generated after the laser welding is completed is correspondingly formed in the position where the lug is far away from the end of the battery cell, and the welding seam covers the through hole and is correspondingly formed in the position where the busbar is far away from the opening in the side of the battery cell.
The beneficial effect of adopting the further scheme is that: the side that electric core was kept away from to the busbar does not have utmost point ear protrusion, the arrangement of the modularization laminate polymer battery of being convenient for, length through shortening utmost point ear, can reduce the height and the volume of whole modularization laminate polymer battery after the welding, the tip that electric core was kept away from to utmost point ear welds at through-hole department with the busbar, the welding area is big, it is firm to connect after the welding, and the laser irradiation of being convenient for, the welding seam after the welding completion covers the opening that the side of electric core was kept away from to the busbar, busbar surface does not have the area of breaking a current, can guarantee the area of overflowing of whole busbar, and do benefit to the welding seam on same observation detection whole busbar surface, the busbar only needs to carry out once welding with utmost point ear, needn't carry out twice welding in utmost point ear both sides, the surface that electric.
Further, a gap is reserved between the bus bar and the module shell.
The beneficial effect of adopting the further scheme is that: after the welding of the bus bar and the pole lugs is finished, the maintenance and the disassembly are unchanged, when errors occur during welding or faults occur in the using process, the residual pole lug parts can be welded with new bus bars again after the bus bar and the pole lug connecting parts are cut off, and the maintenance and the fault treatment are convenient.
Furthermore, the bus bar and the tab connected with the bus bar are the same as the weld joint.
The beneficial effect of adopting the further scheme is that: and current overcurrent efficiency is ensured.
Furthermore, the width of the through hole is larger than the thickness of the corresponding tab, and the gap between the inner wall of the through hole and the outer wall of the tab in the through hole is smaller than the minimum gap required by laser welding.
The beneficial effect of adopting the further scheme is that: the tab can be conveniently inserted into the through hole corresponding to the bus bar, and the tab and the bus bar can be welded through laser welding.
The electric equipment comprises the modularized soft package battery pack.
The invention has the beneficial effects that: the soft-package battery pack is small in size, a plurality of soft-package battery packs can be conveniently spliced and fixed with the battery box, and the soft-package battery packs are firmly connected after being spliced and have good heat dissipation performance.
Drawings
Fig. 1 is a schematic view of a conventional pouch battery pack;
fig. 2 is a schematic diagram of a lug penetrating side of a modular soft-package battery pack disclosed by the invention;
FIG. 3 is a sectional view taken along the plane A-A;
FIG. 4 is a sectional view taken along the plane B-B;
fig. 5 is a sectional view of an embodiment in which tabs are connected to busbars;
FIG. 6 is a cross-sectional view of an embodiment of a buss bar;
in the figure: 1. an electric core; 2. a bus bar; 3. a through hole; 4. a tab; 5. welding seams; 6. a frame; 7. a module case; 8. a thermally conductive filler;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the embodiment of the modular soft package battery pack disclosed by the present invention includes a plurality of battery cells 1 and a module case 7, the battery cells 1 are electrically connected with each other through corresponding tabs 4, different battery cells 1 may be connected in series or in parallel, all the battery cells 1 are fixed in the module case 7, the module case 7 is a cube, the battery cells 1 in the module case 7 are mutually overlapped in parallel and are parallel to a side surface of the module case 7, the module case 7 is a weldable material, and the plurality of modular soft package battery packs may be directly welded and fixed through the module case 7.
As a further scheme of the above embodiment, the battery module further includes a heat conducting filler 8, the heat conducting filler 8 is provided in the module case 7, the heat conducting filler 8 fills gaps between the battery cells 1 and the module case 7, the heat conducting filler 8 is compressed and compacted in the module case 7, all the battery cells 1 are fixed by the heat conducting filler 8, the module case 7 is made of a heat conducting material, the module case 7 can be made of a metal material, and the heat conducting filler 8 can be made of various existing heat conducting materials.
As a further scheme of the above embodiment, the heat conductive filler 8 may be filled in the module case 7 by a vacuum impregnation method, so as to ensure that the heat conductive filler 8 is compact in the module case 7, and no air remains between the heat conductive fillers 8, between the heat conductive filler 8 and the battery cell 1, and between the heat conductive filler 8 and the module case 7.
Still include busbar 2, module shell 7 is all worn out to utmost point ear 4 of all electric cores 1 from same one side of module shell 7, and all utmost point ears 4 are all connected through busbar 2 electricity outside module shell 7, and busbar 2 is parallel with the side that utmost point ear 4 wore out on module shell 7 outside module shell 7.
Specifically, the busbar 2 is provided with a through hole 3, the through hole 3 corresponds to an electrode lug 4, the through hole 3 is matched with the electrode lug 4 corresponding to the through hole, one end of the electrode lug 4 is connected with the corresponding battery cell 1, the other end of the electrode lug 4 is inserted into the corresponding through hole 3 on the busbar 2, the electrode lug 4 is not bent, and the electrode lug 4 and the busbar 2 are connected through laser welding at the through hole 3.
The side that electric core 1 was kept away from with busbar 2 to the tip that electric core 1 was kept away from to utmost point ear 4 flushes, and electric core 1 was kept away from to utmost point ear 4's tip and busbar 2 side are connected through laser welding in the through-hole 3 department that corresponds, and electric core 1's tip is kept away from at utmost point ear 4 that corresponds to welding 5 that produces after the laser welding is accomplished, and welding 5 covers the opening of the side that electric core 1 was kept away from at busbar 2 to corresponding through-hole 3.
As a further aspect of the above embodiment, a gap is left between the bus bar 2 and the module case 7, and when a fault occurs during welding, the part inserted into the through hole 3 of the bus bar 2 may be partially cut off, and then a new bus bar 2 may be used to reconnect the tab 4 remaining after cutting off.
The bus bar 2 and the tab 4 connected with the bus bar are made of the same material as the welding seam 5, and when laser welding is performed, body fusion welding can be adopted, and welding can also be performed by adding a welding flux which is made of the same material as the bus bar 2 and the tab 4, wherein the welding flux comprises but is not limited to pure aluminum wires, aluminum alloy wires and the like.
The width of the through hole 3 is larger than the thickness of the corresponding pole lug 4, and the gap between the inner wall of the through hole 3 and the outer wall of the pole lug 4 in the through hole is smaller than the minimum gap required by laser welding.
When the lugs 4 are connected, each lug 4 is inserted into the corresponding through hole 3 on the bus bar 2, the gap between the outer wall of each side of the lug 4 and the inner wall of the corresponding through hole 3 is smaller than the minimum gap required by laser welding, the upper end of the lug 4 is flush with the upper surface of the bus bar 2, the lug 4 is not bent, laser is irradiated from top to bottom and irradiates the upper end of the lug 4 and the upper surface of the bus bar 2, a welding molten pool is formed at the opening of the upper surface of the bus bar 2 by the upper end of the lug 4 and the corresponding through hole 3, the opening of the upper surface of the bus bar 2 is filled after the upper end of the lug 4, the inner wall of the bus bar 2 corresponding to the through hole 3 and solder are melted, the connection of the lug 4 and the bus bar 2 is completed after cooling, the welding area of the lug 4 and the bus bar 2 is large, the connection is stable, and each lug 4 to be.
The embodiment of the electric equipment comprises the modularized soft package battery pack, and the electric equipment can be an electric vehicle, a power station and the like.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a modularization laminate polymer battery group which characterized in that: the battery cell comprises a battery cell (1) and a module shell (7), wherein the battery cell (1) is provided with a plurality of battery cells, all the battery cells (1) are electrically connected through corresponding lugs (4), all the battery cells (1) are fixed in the module shell (7), and the module shell (7) is made of weldable materials.
2. The modular pouch battery according to claim 1, characterized in that: still include heat conduction filler (8), have in module shell (7) heat conduction filler (8), heat conduction filler (8) are filled between electric core (1) and electric core (1) with the clearance between module shell (7), electric core (1) by heat conduction filler (8) are fixed, module shell (7) are heat conduction material.
3. The modular pouch battery according to claim 2, characterized in that: the heat-conducting filler (8) is filled in the module shell (7) by adopting a vacuum impregnation method.
4. The modular pouch battery according to claim 1, characterized in that: the battery module is characterized by further comprising a bus bar (2), all the lugs (4) of the battery cell (1) penetrate out of the module shell (7), and all the lugs (4) are arranged outside the module shell (7) and electrically connected through the bus bar (2).
5. The modular pouch battery according to claim 4, characterized in that: through-hole (3) have on busbar (2), through-hole (3) with utmost point ear (4) correspond the setting, through-hole (3) correspond rather than utmost point ear (4) adaptation, the one end of utmost point ear (4) rather than corresponding electric core (1) are connected, the other end of utmost point ear (4) inserts correspond on busbar (2) in through-hole (3), utmost point ear (4) with busbar (2) are in through-hole (3) department connects through laser welding.
6. The modular pouch battery according to claim 5, characterized in that: keep away from utmost point ear (4) the tip of electric core (1) with busbar (2) are kept away from the side of electric core (1) flushes, utmost point ear (4) are kept away from the tip of electric core (1) with busbar (2) are kept away from the side of electric core (1) is in the correspondence through-hole (3) department passes through the laser welding is connected, welding seam (5) that the laser welding produced after accomplishing are in the correspondence utmost point ear (4) are kept away from the tip of electric core (1), welding seam (5) cover the correspondence through-hole (3) are in busbar (2) are kept away from the opening of the side of electric core (1).
7. The modular pouch battery according to claim 5, characterized in that: a gap is reserved between the bus bar (2) and the module shell (7).
8. The modular pouch battery according to claim 5, characterized in that: the bus bar (2) and the lug (4) connected with the bus bar are made of the same material as the welding seam (5).
9. The modular pouch battery according to claim 5, characterized in that: the width of the through hole (3) is larger than the thickness of the corresponding pole lug (4), and the gap between the inner wall of the through hole (3) and the outer wall of the pole lug (4) in the through hole is smaller than the minimum gap required by laser welding.
10. An electrical device, characterized in that: comprising a modular pouch battery according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010117048.6A CN111200086A (en) | 2020-02-25 | 2020-02-25 | Modularization laminate polymer battery group and consumer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010117048.6A CN111200086A (en) | 2020-02-25 | 2020-02-25 | Modularization laminate polymer battery group and consumer |
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| Publication Number | Publication Date |
|---|---|
| CN111200086A true CN111200086A (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010117048.6A Pending CN111200086A (en) | 2020-02-25 | 2020-02-25 | Modularization laminate polymer battery group and consumer |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203659970U (en) * | 2013-12-04 | 2014-06-18 | 微宏动力系统（湖州）有限公司 | Battery module |
| CN205900626U (en) * | 2016-07-19 | 2017-01-18 | 成都硅宝科技股份有限公司 | Novel battery pack |
| CN107425173A (en) * | 2017-08-15 | 2017-12-01 | 上海卡耐新能源有限公司 | A kind of soft pack cell module welding structure |
| CN107863471A (en) * | 2017-11-02 | 2018-03-30 | 联华聚能科技股份有限公司 | Combined battery bag |
| CN207353337U (en) * | 2017-09-29 | 2018-05-11 | 孚能集团有限公司 | A kind of soft package lithium battery group |
| KR20180073972A (en) * | 2016-12-23 | 2018-07-03 | 주식회사 엘지화학 | The fixed structure of battery module-pack housing using plastic laser welding |
| CN210092189U (en) * | 2019-08-15 | 2020-02-18 | 天津市捷威动力工业有限公司 | Soft-package battery module injecting glue structure |
| CN211654897U (en) * | 2020-02-25 | 2020-10-09 | 四川国创成电池材料有限公司 | Modularization laminate polymer battery group and consumer |
-
2020
- 2020-02-25 CN CN202010117048.6A patent/CN111200086A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203659970U (en) * | 2013-12-04 | 2014-06-18 | 微宏动力系统（湖州）有限公司 | Battery module |
| CN205900626U (en) * | 2016-07-19 | 2017-01-18 | 成都硅宝科技股份有限公司 | Novel battery pack |
| KR20180073972A (en) * | 2016-12-23 | 2018-07-03 | 주식회사 엘지화학 | The fixed structure of battery module-pack housing using plastic laser welding |
| CN107425173A (en) * | 2017-08-15 | 2017-12-01 | 上海卡耐新能源有限公司 | A kind of soft pack cell module welding structure |
| CN207353337U (en) * | 2017-09-29 | 2018-05-11 | 孚能集团有限公司 | A kind of soft package lithium battery group |
| CN107863471A (en) * | 2017-11-02 | 2018-03-30 | 联华聚能科技股份有限公司 | Combined battery bag |
| CN210092189U (en) * | 2019-08-15 | 2020-02-18 | 天津市捷威动力工业有限公司 | Soft-package battery module injecting glue structure |
| CN211654897U (en) * | 2020-02-25 | 2020-10-09 | 四川国创成电池材料有限公司 | Modularization laminate polymer battery group and consumer |
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