CN203950857U - Flexible-packed battery and battery modules - Google Patents
Flexible-packed battery and battery modules Download PDFInfo
- Publication number
- CN203950857U CN203950857U CN201420375359.2U CN201420375359U CN203950857U CN 203950857 U CN203950857 U CN 203950857U CN 201420375359 U CN201420375359 U CN 201420375359U CN 203950857 U CN203950857 U CN 203950857U
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- CN
- China
- Prior art keywords
- lug
- linkage section
- film
- flexible
- battery
- 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.)
- Expired - Lifetime
Links
- 239000012785 packaging film Substances 0.000 claims abstract description 41
- 229920006280 packaging film Polymers 0.000 claims abstract description 41
- 239000011149 active material Substances 0.000 claims abstract description 14
- 238000009795 derivation Methods 0.000 claims abstract description 8
- 239000003792 electrolyte Substances 0.000 claims abstract description 8
- 230000004888 barrier function Effects 0.000 claims abstract description 5
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 239000002184 metal Substances 0.000 claims description 39
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 2
- 229910001416 lithium ion Inorganic materials 0.000 claims description 2
- 229920006255 plastic film Polymers 0.000 claims description 2
- 239000002985 plastic film Substances 0.000 claims description 2
- 238000007373 indentation Methods 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of flexible-packed battery and battery modules, and flexible-packed battery wherein comprises battery core, the first lug, the second lug, electrolyte and packaging film.Battery core comprises: the first pole piece, comprises the first collector and the first active material layer; The second pole piece, comprises the second collector and the second active material layer; And barrier film, be arranged between the first pole piece and the second pole piece.The first lug is electrically connected on the first collector of the first pole piece; The second lug is electrically connected on the second collector of the second pole piece.Packaging film packaging electric core also holds electrolyte, and the first lug seals derivation from packaging film, and the second lug seals derivation from packaging film.The packaged film of the first lug divides inner point of film forming and the outer part of film, and film outer part is drawn together: first linkage section, is fixedly connected on outside and is provided with breach; And/or the packaged film of the second lug divides inner point of film forming and the outer part of film, film outer part is drawn together: first linkage section, is fixedly connected on outside and is provided with breach.
Description
Technical field
The utility model relates to energy storage device field, relates in particular to a kind of flexible-packed battery and battery modules.
Background technology
Flexible-packed battery becomes the state-of-the-art secondary cell in the world now gradually at present, is applied to the digital products such as mobile phone, notebook computer, MP3, DV, and in electric automobile, uses gradually.In electric automobiles, often need by a large amount of batteries by series-parallel form, the capacity of battery modules is improved, but in battery modules, often have that single battery core occurs that encapsulation is bad, packaging film surface fracture, the breakage of position, angle, battery core water content exceed standard, SEI film is unstable, overcharge, cross put, the problem such as short circuit, these problems can cause battery core bulging, Fire explosion, cause so whole module to be all affected, module can not be used.
Utility model content
In view of the problem existing in background technology, the purpose of this utility model is to provide a kind of flexible-packed battery and battery modules, and it can improve the fail safe of flexible-packed battery and battery modules.
To achieve these goals, in first aspect, the utility model provides a kind of flexible-packed battery, and it comprises battery core, the first lug, the second lug, electrolyte and packaging film.Battery core comprises: the first pole piece, comprises the first collector and lip-deep the first active material layer that contains the first active material that is arranged on the first collector; The second pole piece, comprises the second collector and lip-deep the second active material layer that contains the second active material that is arranged on the second collector; And barrier film, be arranged between the first pole piece and the second pole piece.The first lug is electrically connected on the first collector of the first pole piece; The second lug is electrically connected on the second collector of the second pole piece.Packaging film packaging electric core also holds electrolyte, and wherein, the first lug seals derivation from packaging film, and the second lug seals derivation from packaging film.The packaged film of the first lug divides inner point of film forming and the outer part of film, and film outer part is drawn together: first linkage section, is fixedly connected on outside and is provided with breach; And/or the packaged film of the second lug divides inner point of film forming and the outer part of film, film outer part is drawn together: first linkage section, is fixedly connected on outside and is provided with breach.
To achieve these goals, in second aspect, the utility model provides a kind of battery modules, and the battery of described battery modules is according to the flexible-packed battery described in the utility model first aspect; Described battery modules also comprises: the first metal connecting sheet, be positioned at the packaging film of each flexible-packed battery outer and maintain static in use, and comprise the L-shaped horizontal part and the vertical portion that link together; Wherein, the first linkage section of the first lug is fixedly connected on the bottom surface of vertical portion; And/or second metal connecting sheet, be positioned at the packaging film of each flexible-packed battery outer and maintain static in use, comprise the L-shaped horizontal part and the vertical portion that link together; Wherein, the first linkage section of the second lug is fixedly connected on the bottom surface of vertical portion.
The beneficial effects of the utility model are as follows:
Exceed standard when bad, the packaging film surface fracture of encapsulation, the breakage of position, angle, battery core water content occur flexible-packed battery, SEI film is unstable, overcharge, cross put, the problem such as short circuit is while causing flexible-packed battery bulging, this flexible-packed battery is pulled apart in the indentation, there of the first lug and/or the indentation, there of the second lug, electric loop between flexible-packed battery self and outside can be cut off thus, improve flexible-packed battery fail safe to external world.
In the time adopting battery modules, flexible-packed battery is pulled apart in the indentation, there of the first lug and/or the indentation, there of the second lug because of bulging, electric loop between this flexible-packed battery and other soft-package batteries is cut off, the isolation of this flexible-packed battery can not affected to other the flexible-packed battery in battery modules, the fail safe that has greatly improved battery modules.
Brief description of the drawings
Fig. 1 is the simple front view while metal connecting sheet not being installed according to flexible-packed battery of the present utility model;
Fig. 2 is according to the front view of the metal connecting sheet of flexible-packed battery of the present utility model;
Fig. 3 is the upward view of Fig. 2, and longer because of metal connecting sheet, intermediate blank district represents clipped;
Fig. 4 is the simple front view of one embodiment while metal connecting sheet being installed according to flexible-packed battery of the present utility model;
Fig. 5 is the overall front view according to flexible-packed battery of the present utility model;
The plan view of Fig. 6 for doing along the arrow B of Fig. 5;
Fig. 7 is the front view after the indentation, there of the first lug is pulled apart according to flexible-packed battery of the present utility model;
The plan view of Fig. 8 for doing along the arrow C of Fig. 7.
Fig. 9 is the overall front view according to another embodiment of flexible-packed battery of the present utility model;
The plan view that Figure 10 does for the arrow D along Fig. 9;
Figure 11 is according to the overall front view of an embodiment again of flexible-packed battery of the present utility model;
The plan view of Figure 12 for doing along the arrow E of Figure 11;
Wherein, description of reference numerals is as follows:
The outer part of 1 battery core 32 films
The first linkage section of 11 first pole piece 321
12 second pole piece 211 breach
13 barrier film 322 tail linkage sections
Linkage section in the middle of 2 first lugs 323
Part 4 packaging films in 21 films
Outer part 41 closedtops of 22 films
221 first linkage section 42 underseals
2211 breach 5 metal connecting sheets
222 tail linkage section 51 horizontal parts
Linkage section 52 vertical portions in the middle of 223
3 second lug 521 bottom surfaces
Part in 31 films
Embodiment
Describe in detail with reference to the accompanying drawings according to flexible-packed battery of the present utility model and battery modules.
First illustrate according to the flexible-packed battery of the utility model first aspect.
Referring to figs. 1 through Figure 12, comprise according to the flexible-packed battery of the utility model first aspect: battery core 1; The first lug 2; The second lug 3; Electrolyte; And packaging film 4, packaging electric core 1 also holds electrolyte, and wherein, the first lug 2 seals derivation from packaging film 4, and the second lug 3 seals derivation from packaging film 4.Battery core 1 comprises: the first pole piece 11, comprises the first collector and lip-deep the first active material layer that contains the first active material that is arranged on the first collector; The second pole piece 12, comprises the second collector and lip-deep the second active material layer that contains the second active material that is arranged on the second collector; And barrier film 13, be arranged between the first pole piece 11 and the second pole piece 12.The first lug 2 is electrically connected on the first collector of the first pole piece 11.The second lug 3 is electrically connected on the second collector of the second pole piece 12.Inner point 21 of 4 points of film forming of the packaged film of the first lug 2 and the outer part 22 of film, the outer part 22 of film comprises: first linkage section 221, is fixedly connected on outside and is provided with breach 2211; And/or inner point 31 of 4 points of film forming of the packaged film of the second lug 3 and the outer part 32 of film, the outer part 32 of film comprises: first linkage section 321, be fixedly connected on outside, and be provided with breach 3211.It should be noted that at this, it can be underseal 42 places of closedtop 41 or the packaging film 4 of packaging film 4 that the first lug 2 seals the position of deriving from packaging film 4, and it can be underseal 42 places of closedtop 41 or the packaging film 4 of packaging film 4 that the second lug 3 seals the position of deriving from packaging film 4.In other words, the first lug 2 and the second lug 3 can be derived from the heteropleural sealing of packaging film 4, also can derive from the same side seal of packaging film 4.In the example illustrating in the drawings, although the first lug 2 is all derived from closedtop 41 sealings of packaging film 4, the second lug 3 is all derived from underseal 42 sealings of packaging film 4, is not limited to this, in reality, determines as required.
Referring to figs. 1 through Fig. 8, being only that the first lug 2 comprises that the first linkage section 221 that is provided with breach 2211 illustrates the beneficial effect of flexible-packed battery of the present utility model as example.In the time of flexible-packed battery generation flatulence, the closedtop 41 of the packaging film 4 of this flexible-packed battery will upwards be heaved, the first lug 2 is upwards heaved with the closedtop 41 of packaging film 4 and is subject to upwards pullling power, but the first linkage section 221 of the first lug 2 is fixedly connected on outside (for example outside electronic equipment or external stability element), cannot be along with the closedtop of packaging film 4 41 is heaved and rises, so in the time that flexible-packed battery air pressure inside reaches the power of upwards pullling that certain limit causes the first lug 2 to be subject to and reaches the limit holding capacity of the first lug 2, this flexible-packed battery is pulled apart at breach 2211 places of the first lug 2, thereby the electric loop between this flexible-packed battery and outside is cut off.Fig. 9 to Figure 12 is the alternate embodiment of flexible-packed battery of the present utility model.
According in flexible-packed battery of the present utility model, exceed standard when bad, the packaging film surface fracture of encapsulation, the breakage of position, angle, battery core water content occur flexible-packed battery, SEI film is unstable, overcharge, cross put, the problem such as short circuit is while causing flexible-packed battery bulging, this flexible-packed battery at breach 2211 places of the first lug 2 and/or breach 3211 places of the second lug 3 pull apart, electric loop between flexible-packed battery self and outside can be cut off thus to the fail safe to external world that has improved flexible-packed battery.
According in an embodiment of the flexible-packed battery of the utility model first aspect, the first pole piece 11 can be anode pole piece or cathode pole piece, and the first lug 2 is correspondingly positive pole ear or negative lug; The second pole piece 12 is correspondingly cathode pole piece or anode pole piece, and the second lug 3 is correspondingly negative lug or positive pole ear.
According in an embodiment of the flexible-packed battery of the utility model first aspect, with reference to Fig. 6, Figure 10 and Figure 12, the breach 2211 of the first lug 2 can be symmetrically arranged along first linkage section 221; The breach 3211 of the second lug 3 is symmetrically arranged along first linkage section 321.
In an embodiment of the first lug 2, the material of the first lug 2 can be aluminium, nickel.
In an embodiment of the second lug 3, the material of the second lug 3 can be copper, nickel.
In an embodiment of packaging film 4, packaging film 4 can be aluminum plastic film.
According in an embodiment of the flexible-packed battery of the utility model first aspect, flexible-packed battery can be lithium ion battery.
The following describes according to the battery modules of the utility model second aspect.
Be according to the flexible-packed battery (referring to figs. 1 through Figure 12) described in the utility model first aspect according to the battery of the battery modules of the utility model second aspect, described battery modules also comprises: the first metal connecting sheet 5, be positioned at the packaging film 4 of each flexible-packed battery outer and maintain static in use, comprise the L-shaped horizontal part 51 and the vertical portion 52 that link together; Wherein the first linkage section 221 of the first lug 2 is fixedly connected on the bottom surface 521 of vertical portion 52; And/or second metal connecting sheet 6, be positioned at the packaging film 4 of each flexible-packed battery outer and maintain static in use, comprise the L-shaped horizontal part 61 and the vertical portion 62 that link together; Wherein, the first linkage section 321 of the second lug 3 is fixedly connected on the bottom surface 621 of vertical portion 62.It should be noted that at this, metal connecting sheet 5 now or the second metal connecting sheet 6 are considered as the outside described in first aspect.
When the single flexible-packed battery in battery modules occurs to encapsulate bad, packaging film surface fracture, the breakage of position, angle, battery core water content exceeds standard, SEI film is unstable, overcharge, cross and put, when the problems such as short circuit cause this flexible-packed battery bulging, this flexible-packed battery at breach 2211 places of the first lug 2 and/or breach 3211 places of the second lug 3 pull apart, by this flexible-packed battery and other soft-package batteries between electric loop cut off, the isolation of this flexible-packed battery can not affected to other the flexible-packed battery in battery modules, greatly improve the fail safe of battery modules.
According in an embodiment of the battery modules of the utility model second aspect, with reference to Fig. 1, Fig. 4, Fig. 5, Fig. 7, Fig. 9 and Figure 11, the outer part 22 of film of the first lug 2 also can comprise: tail linkage section 222, be positioned at first linkage section 221 tops, electrical connection (for example, by welding) is in the horizontal part 51 of metal connecting sheet 5; And middle linkage section 223, middle linkage section 223 is positioned at and is electrically connected (for example, by welding) and, in 52 outsides, vertical portion, first linkage section 221 and tail linkage section 222 is joined together to form to U-shaped; The outer part 32 of film of the second lug 3 also can comprise: tail linkage section 322, be positioned at first linkage section 321 tops, and be electrically connected on the horizontal part 61 of metal connecting sheet 6; And middle linkage section 323, middle linkage section 323 is positioned at and is electrically connected on 62 outsides, vertical portion, and first linkage section 321 and tail linkage section 322 are joined together to form to U-shaped.In one embodiment, with reference to Fig. 1, Fig. 4, Fig. 5, Fig. 7, Fig. 9 and Figure 11, the first linkage section 221 of the first lug 2 is level, and tail linkage section 222 is level, and middle linkage section 223 is vertical; The first linkage section 321 of the second lug 3 is level, and tail linkage section 322 is level, and middle linkage section 323 is vertical.
According in an embodiment of the battery modules of the utility model second aspect, the first metal connecting sheet 5 is integral type structure or split-type structural; The second metal connecting sheet 6 is integral type structure or split-type structural.
Particularly, in the time that the first metal connecting sheet 5 is integral type structure, the first lug 2 of multiple soft-package batteries shares first metal connecting sheet 5 (the first metal connecting sheet 5 can be fixed on the shell (not shown) of battery modules), and each flexible-packed battery is electrically connected (for example, wait to connect by welding and realize electrical connection) with the first metal connecting sheet 5.And in the time that the first metal connecting sheet 5 is split-type structural, corresponding first metal connecting sheet 5 of the first lug 2 of each soft-package battery, then each the first metal connecting sheet 5 is electrically connected (for example series connection and/or in parallel) again.Similarly, in the time that the second metal connecting sheet 6 is integral type structure, the second lug 3 of multiple soft-package batteries can share second metal connecting sheet 6 (the second metal connecting sheet 6 can be fixed on the shell of battery modules), and each flexible-packed battery is electrically connected (for example, wait to connect by welding and realize electrical connection) with the second metal connecting sheet 6.And in the time that the second metal connecting sheet 6 is split-type structural, corresponding second metal connecting sheet 6 of each soft-package battery, then each the second metal connecting sheet 6 is electrically connected (for example series connection and/or in parallel) again.
According in an embodiment of the battery modules of the utility model second aspect, the material of the first metal connecting sheet 5 can be aluminium; The material of the second metal connecting sheet 6 can be aluminium.
Claims (10)
1. a flexible-packed battery, comprising:
Battery core (1), comprising:
The first pole piece (11), comprises the first collector and lip-deep the first active material layer that contains the first active material that is arranged on the first collector;
The second pole piece (12), comprises the second collector and lip-deep the second active material layer that contains the second active material that is arranged on the second collector; And
Barrier film (13), is arranged between the first pole piece (11) and the second pole piece (12);
The first lug (2), is electrically connected on the first collector of the first pole piece (11);
The second lug (3), is electrically connected on the second collector of the second pole piece (12);
Electrolyte; And
Packaging film (4), packaging electric core (1) also holds electrolyte, wherein, the first lug (2) seals derivation from packaging film (4), and the second lug (3) seals derivation from packaging film (4);
It is characterized in that,
The packaged film of the first lug (2) (4) point film forming inner point (21) and the outer part of film (22), the outer part of film (22) comprising: first linkage section (221), is fixedly connected on outside and is provided with breach (2211); And/or
The packaged film of the second lug (3) (4) point film forming inner point (31) and the outer part of film (32), the outer part of film (32) comprising: first linkage section (321), is fixedly connected on outside and is provided with breach (3211).
2. flexible-packed battery according to claim 1, is characterized in that,
The first pole piece (11) is anode pole piece or cathode pole piece, and the first lug (2) is correspondingly positive pole ear or negative lug;
The second pole piece (12) is cathode pole piece or anode pole piece, and the second lug (3) is correspondingly negative lug or positive pole ear.
3. flexible-packed battery according to claim 1, is characterized in that,
The breach (2211) of the first lug (2) is symmetrically arranged along first linkage section (221);
The breach (3211) of the second lug (3) is symmetrically arranged along first linkage section (321).
4. flexible-packed battery according to claim 1, is characterized in that, packaging film (4) is aluminum plastic film.
5. flexible-packed battery according to claim 1, is characterized in that, flexible-packed battery is lithium ion battery.
6. a battery modules, is characterized in that,
The battery of described battery modules is according to the flexible-packed battery described in any one in claim 1-5;
Described battery modules also comprises:
The first metal connecting sheet (5), is positioned at the packaging film (4) of each flexible-packed battery outer and maintain static in use, comprises the L-shaped horizontal part (51) and vertical portion (52) that link together;
Wherein, the first linkage section (221) of the first lug (2) is fixedly connected on the bottom surface (521) of vertical portion (52); And/or
The second metal connecting sheet (6), is positioned at the packaging film (4) of each flexible-packed battery outer and maintain static in use, comprises the L-shaped horizontal part (61) and vertical portion (62) that link together;
Wherein, the first linkage section (321) of the second lug (3) is fixedly connected on the bottom surface (621) of vertical portion (62).
7. battery modules according to claim 6, is characterized in that,
The outer part of film (22) of the first lug (2) also comprises:
Tail linkage section (222), is positioned at first linkage section (221) top, is electrically connected on the horizontal part (51) of metal connecting sheet (5); And
Middle linkage section (223), middle linkage section (223) is positioned at and is electrically connected on outside, vertical portion (52), and first linkage section (221) and tail linkage section (222) are joined together to form to U-shaped;
The outer part of film (32) of the second lug (3) also comprises:
Tail linkage section (322), is positioned at first linkage section (321) top, is electrically connected on the horizontal part (61) of metal connecting sheet (6); And
Middle linkage section (323), middle linkage section (323) is positioned at and is electrically connected on outside, vertical portion (62), and first linkage section (321) and tail linkage section (322) are joined together to form to U-shaped.
8. battery modules according to claim 7, is characterized in that,
The first linkage section (221) of the first lug (2) is level, and tail linkage section (222) is level, and middle linkage section (223) is vertical;
The first linkage section (321) of the second lug (3) is level, and tail linkage section (322) is level, and middle linkage section (323) is vertical.
9. battery modules according to claim 6, is characterized in that,
The first metal connecting sheet (5) is integral type structure or split-type structural;
The second metal connecting sheet (6) is integral type structure or split-type structural.
10. battery modules according to claim 6, is characterized in that,
The material of the first metal connecting sheet (5) is aluminium;
The material of the second metal connecting sheet (6) is aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375359.2U CN203950857U (en) | 2014-07-08 | 2014-07-08 | Flexible-packed battery and battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375359.2U CN203950857U (en) | 2014-07-08 | 2014-07-08 | Flexible-packed battery and battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950857U true CN203950857U (en) | 2014-11-19 |
Family
ID=51892877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420375359.2U Expired - Lifetime CN203950857U (en) | 2014-07-08 | 2014-07-08 | Flexible-packed battery and battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203950857U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580752A (en) * | 2017-09-28 | 2019-04-05 | 宁德时代新能源科技股份有限公司 | Battery detection frame and battery detection structure |
| CN109596982A (en) * | 2017-09-28 | 2019-04-09 | 宁德时代新能源科技股份有限公司 | battery detection structure |
| CN113078422A (en) * | 2021-03-23 | 2021-07-06 | 东莞新能安科技有限公司 | Battery cell and electric equipment |
-
2014
- 2014-07-08 CN CN201420375359.2U patent/CN203950857U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580752A (en) * | 2017-09-28 | 2019-04-05 | 宁德时代新能源科技股份有限公司 | Battery detection frame and battery detection structure |
| CN109596982A (en) * | 2017-09-28 | 2019-04-09 | 宁德时代新能源科技股份有限公司 | battery detection structure |
| CN113078422A (en) * | 2021-03-23 | 2021-07-06 | 东莞新能安科技有限公司 | Battery cell and electric equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |