CN113517514B - Directional exhaust battery module - Google Patents

Directional exhaust battery module Download PDF

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Publication number
CN113517514B
CN113517514B CN202110438301.2A CN202110438301A CN113517514B CN 113517514 B CN113517514 B CN 113517514B CN 202110438301 A CN202110438301 A CN 202110438301A CN 113517514 B CN113517514 B CN 113517514B
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China
Prior art keywords
end plate
battery module
exhaust
groove
shell
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CN202110438301.2A
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Chinese (zh)
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CN113517514A (en
Inventor
崔鑫
陈卓烈
付方凯
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Envision Power Technology Jiangsu Co Ltd
Envision Ruitai Power Technology Shanghai Co Ltd
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Envision Power Technology Jiangsu Co Ltd
Envision Ruitai Power Technology Shanghai Co Ltd
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Priority to CN202110438301.2A priority Critical patent/CN113517514B/en
Publication of CN113517514A publication Critical patent/CN113517514A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Gas Exhaust Devices For Batteries (AREA)

Abstract

The invention relates to the technical field of battery modules, and discloses a directional exhaust battery module. The directional exhaust battery module comprises a shell, a battery core, copper bars, an output electrode and a protection seat; the shell comprises an end plate, the top end of the end plate is provided with a plurality of exhaust holes, and an insulating high-temperature-resistant layer is laid on one side surface, close to the inner side of the shell, of the end plate; the battery cell and the copper bar are respectively arranged at the inner side and the outer side of the shell, the top end of the battery cell is opposite to the exhaust hole, an arc structure is arranged at the top seal position of the battery cell, and the arc center of the arc structure is close to the end plate; the output electrode is arranged on the end plate in a penetrating way and is used for connecting the battery cell and the copper bar; the protection seat is made by mica, and the protection seat includes the joint portion with end plate parallel arrangement and from the joint portion to the outside perpendicular extension of being close to the casing place the portion, joint portion is used for the card to establish in the recess of end plate, and the joint portion is the same with the degree of depth of recess at the length of the degree of depth direction of recess, is provided with the through-hole on the joint portion. The beneficial effects are as follows: the directional exhaust function can be realized.

Description

Directional exhaust battery module
Technical Field
The invention relates to the technical field of battery modules, in particular to a directional exhaust battery module.
Background
The battery module comprises an output electrode, a battery cell arranged on the inner side and a copper bar arranged on the outer side, wherein the output electrode is used for connecting the battery cell and the copper bar, so that the current of the battery cell flows to the external copper bar through the output electrode; that is, the output electrode is required to be inserted into the end plate at the outer side of the battery module, so that a part of the structure of the output electrode is connected with the battery core, and the other part of the structure is connected with the copper bar. The battery cell generates a large amount of gas when thermal runaway occurs, so that an exhaust hole is required to be arranged on an outer end plate of the battery module, so that the gas can be exhausted out of the battery module through the exhaust hole.
However, as the output electrode is arranged on the end plate in a penetrating way, namely a gap exists between the output electrode and the end plate, the tightness between the output electrode and the end plate is poor, so that gas is easy to discharge from the gap at the output electrode, and as the temperature of the gas generated by thermal runaway is higher, the gas is easy to directly break through the end plate to be discharged, so that the gas cannot be discharged from a special exhaust hole, and the directional exhaust function cannot be realized; the gas is randomly and chaotic to be discharged, so that danger is easy to generate, and the safety is low; the gas temperature generated by thermal runaway is higher, and the continuous high-temperature gas is discharged from the output electrode, so that the output electrode is easily damaged; meanwhile, as the battery core and the exhaust hole in the current battery module are arranged in a staggered manner, namely the exhaust hole is usually arranged at the bottom end of the end plate, and the gas generated by the battery core in the battery module is generally exhausted from the top seal of the top end of the battery core, namely the top seal of the battery core is positioned at the top end of the end plate, the gas generated by the battery core easily flows to other positions in the exhaust hole exhausting process from the top end of the end plate to the bottom end of the end plate, thereby affecting the use of other parts and failing to realize the function of directional exhaust.
Therefore, there is a need for a directional exhaust battery module that can solve the above problems.
Disclosure of Invention
The invention aims to provide a directional exhaust battery module which can realize a directional exhaust function and protect an output electrode and has higher safety.
To achieve the purpose, the invention adopts the following technical scheme:
a directional exhaust battery module, comprising:
the shell comprises an end plate, wherein the top end of the end plate is provided with a plurality of exhaust holes, an insulating high-temperature-resistant layer is laid on one side surface, close to the inner side of the shell, of the end plate, and the exhaust holes are formed in the insulating high-temperature-resistant layer;
the battery cell and the copper bar are respectively arranged on the inner side and the outer side of the shell, the top end of the battery cell is opposite to the exhaust hole, an arc structure is arranged at the top seal position of the battery cell, and the arc center of the arc structure is close to the end plate;
the output electrode is arranged on the end plate in a penetrating way and is used for connecting the battery cell and the copper bar;
the protection seat is made of mica, the protection seat comprises a clamping part and a placing part, wherein the clamping part is arranged in parallel with the end plate, the placing part is arranged on the clamping part and is close to the outer side of the shell and extends vertically, the clamping part is used for being clamped in a groove of the end plate, the length of the clamping part in the depth direction of the groove is identical to the depth of the groove, and a through hole is formed in the clamping part, so that the part, located on the outer side of the shell, of the output electrode penetrates through the through hole and is placed on the placing part.
Preferably, the insulating high temperature resistant layer is formed of mica.
Preferably, the length of the clamping portion along the length direction of the end plate is matched with the width of the groove.
Preferably, clamping grooves are formed in two ends, close to the groove edges of the grooves, of the clamping portion, and are used for clamping the groove edges of the grooves.
Preferably, the output electrode comprises a connecting piece and an output piece which are connected with each other, the connecting piece is used for connecting the battery cell, and the output piece is used for connecting the copper bar.
Preferably, the output piece is provided with a first mounting hole, the placement part is provided with a second mounting hole matched with the first mounting hole, and the first mounting hole and the second mounting hole are used for mounting the copper bar on the output piece and the placement part.
Preferably, the copper bar is mounted to the output member and the placement portion by a fastener.
Preferably, the fastener is a bolt and a nut that mates with the bolt.
Preferably, the number of the protection seats is two, and the protection seats are respectively connected with the positive output electrode and the negative output electrode of the directional exhaust battery module.
Preferably, a plurality of the exhaust holes are aligned in a straight line along a length direction of the end plate.
The beneficial effects of the invention are as follows:
the end plate of the shell is provided with a plurality of exhaust holes for exhausting gas generated by thermal runaway of the battery cell; an insulating high-temperature resistant layer is laid on one side surface of the end plate, which is close to the inner side of the shell, and an exhaust hole is formed in the insulating high-temperature resistant layer, so that the insulating high-temperature resistant performance of the end plate can be increased, high-temperature gas generated by thermal runaway can be prevented from directly bursting through the end plate with poor insulating high-temperature resistant performance and being exhausted, the problem that gas cannot be exhausted from a special exhaust hole in a directional way can be avoided, and the gas can only be exhausted from the exhaust hole, so that the function of directional exhaust is realized; meanwhile, the problem that gas is discharged from the end plate randomly to cause danger can be avoided, so that the safety is high; meanwhile, a through hole is formed in the clamping part of the protection seat, so that the part of the output electrode, which is positioned outside the shell, passes through the through hole and is placed on the placement part, and a supporting effect is provided for the output electrode; the clamping part is arranged in parallel with the end plate, the clamping part is clamped in the groove of the end plate, the length of the clamping part in the depth direction of the groove is the same as the depth of the groove, so that the whole clamping part is just clamped in the groove, the clamping part, the end plate and the top end face of the shell are not provided with gaps, the tightness of directly clamping the output electrode on the end plate can be improved, the problem that gas is discharged from the gap between the output electrode and the end plate is avoided, the directional exhaust of the exhaust hole is further ensured, the problem that high-temperature gas is directly discharged from the output electrode and the output electrode is easily damaged is avoided, and the output electrode can be well protected; the whole protection seat is made of mica, so that the insulation high temperature resistance of the protection seat is good, the problem that high temperature gas generated by thermal runaway directly breaks through the protection seat and is discharged, and the gas cannot be discharged from a special vent hole in a directional manner is avoided, and the directional exhaust of the vent hole and the safety of the exhaust are further ensured; meanwhile, the arc structure is arranged at the top sealing position of the battery cell, so that the thickness of the top sealing position of the battery cell is thinner, and gas generated when the battery cell is in thermal runaway can be more easily sprayed outwards from the arc structure, so that the gas can be easily sprayed, the pressure of the gas sprayed from the battery cell is slowed down, and other structures of the battery cell are protected; and make the top and the exhaust hole of electric core set up relatively, the arc core of circular arc structure is close to the end plate, can make the gas that outwards sprays from circular arc structure department spray to the exhaust hole unblock to directly discharge the battery module outside with gas, further realize the directional exhaust function of battery module.
Drawings
Fig. 1 is a schematic structural view of a directional exhaust battery module provided by the present invention;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the structure of an end plate provided by the present invention;
FIG. 4 is a schematic structural view of a guard seat according to the present invention;
fig. 5 is a schematic diagram of the position of the battery cell according to the present invention.
In the figure:
1-a directional exhaust battery module; 11-end plates; 12-exhaust holes; 13-an output member; 131-a first mounting hole; 14-a protective seat; 141-a clamping part; 142-a placement section; 143-a through hole; 144-clamping grooves; 145-a second mounting hole; 15-an insulating high temperature resistant layer; 16-grooves; 17-cell; 18-arc structure.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of operation, and are not intended to indicate or imply that the structures or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
In this embodiment, a directional exhaust battery module is provided, which has a better directional exhaust function, so that the possibility that high-temperature gas is exhausted randomly from other different positions and at different times to generate danger can be avoided, and the safety of the whole directional exhaust battery module is higher.
Specifically, as shown in fig. 1 to 5, the directional exhaust battery module 1 includes a housing covered on the outside, a battery cell 17 and a copper bar respectively disposed on the inside and the outside of the housing, and an output electrode penetrating through an end plate 11 of the housing, the output electrode being used for connecting the battery cell 17 and the copper bar; wherein, be provided with a plurality of exhaust holes 12 on end plate 11, and laid insulating high temperature resistant layer 15 on the side of being close to the casing inboard on end plate 11, be provided with the exhaust hole the same on insulating high temperature resistant layer 15 with exhaust hole 12 on the end plate 11 to the gas can be discharged smoothly. The top end of the battery core 17 is opposite to the exhaust hole 12, and an arc structure 18 is arranged at the top seal position of the battery core 17, and the arc center of the arc structure 18 is close to the end plate 11. In this embodiment, the plurality of exhaust holes 12 are arranged in a straight line along the longitudinal direction of the end plate 11. In other embodiments, the exhaust holes 12 may be arranged on the end plate 11 in other manners, and the specific arrangement needs to be determined according to specific exhaust requirements. The copper bar in this embodiment refers only to a copper bar disposed outside the housing at the output electrode.
By providing a plurality of exhaust holes 12 on the end plate 11 of the case, for exhausting gas generated by thermal runaway of the battery cells 17; an insulating high temperature resistant layer 15 is laid on one side surface of the end plate 11, which is close to the inner side of the shell, so that the insulating high temperature resistant performance of the end plate 11 can be improved, and the end plate 11 with poor insulating high temperature resistant performance can be prevented from being directly broken through by high temperature gas generated by thermal runaway and discharged, so that the problem that gas cannot be discharged from a special exhaust hole 12 in a directional way can be avoided, and the gas can only be discharged from the exhaust hole 12, so that the function of directional exhaust is realized; at the same time, the problem that a large amount of gas is discharged from other positions of the end plate 11 at random to cause danger can be avoided, so that the safety is high. In this embodiment, the insulating high temperature resistant layer 15 is formed of mica. The mica has better insulation and high temperature resistance.
By arranging the arc structure 18 at the top seal position of the battery cell 17, the thickness of the top seal position of the battery cell 17 is thinner, so that gas generated when the battery cell 17 is in thermal runaway can be easier to spray outwards from the arc structure 18, the spraying is easier, the pressure of the gas sprayed from the battery cell 17 is slowed down, and other structures of the battery cell 17 are protected; and the top end of the battery cell 17 is arranged opposite to the exhaust hole 12, the arc center of the arc structure 18 is close to the end plate 11, and the gas sprayed outwards from the arc structure 18 can be sprayed to the exhaust hole 12 without blocking, so that the gas is directly discharged out of the battery module, the directional exhaust function of the battery module is further realized, the problem that the gas is discharged out of other uncertain positions on the end plate 11 in a large amount at random to cause danger is avoided, and the safety is further higher.
Further, as shown in fig. 1 to 4, the directional exhaust battery module 1 further includes a protection seat 14, the protection seat 14 being made of mica; the protection seat 14 comprises a clamping part 141 arranged in parallel with the end plate 11 and a placing part 142 vertically extending from the clamping part 141 to the outer side close to the shell, wherein the clamping part 141 is used for being clamped in a groove 16 of the end plate 11, and the insulating high temperature resistant layer 15 is also provided with a groove identical to the groove 16 of the end plate 11 so as to facilitate the clamping of the clamping part 141; and the length of the clamping part 141 in the depth direction of the groove 16 is the same as the depth of the groove 16, and a through hole 143 is arranged on the clamping part 141, so that the part of the output electrode positioned outside the shell passes through the through hole 143 and is placed on the placing part 142 to provide a supporting function for the output electrode.
Through holes 143 are formed in the clamping part 141 of the protection seat 14, so that the part of the output electrode, which is positioned outside the shell, passes through the through holes 143 and is placed on the placement part 142 to provide a supporting function for the output electrode; the clamping part 141 is arranged in parallel with the end plate 11, the clamping part 141 is clamped in the groove 16 of the end plate 11, the length of the clamping part 141 in the depth direction of the groove 16 is the same as the depth of the groove 16, so that the whole clamping part 141 is just clamped in the groove 16, the clamping part 141, the end plate 11 and the top end surface of the shell are not provided with gaps, the tightness of directly clamping the output electrode on the end plate 11 can be improved, the problem that gas is discharged from the gap between the output electrode and the end plate 11 is avoided, the directional exhaust of the exhaust hole 12 is further ensured, the problem that high-temperature gas is discharged from the output electrode and the output electrode is easily damaged is avoided, and the output electrode can be well protected; and the whole protection seat 14 is made of mica, so that the insulation high temperature resistance of the protection seat 14 is better, the problem that high temperature gas generated by thermal runaway directly breaks through the protection seat 14 and is discharged, and the gas cannot be discharged from the special exhaust hole 12 in a directional manner is avoided, the directional exhaust of the exhaust hole 12 is further ensured, the possibility that the high temperature gas is discharged from an uncertain position on the clamping part 141 and is dangerous in an uncertain time is avoided, and the safety of the whole directional exhaust battery module 1 is further higher.
The length of the clamping portion 141 along the length direction of the end plate 11 is matched with the width of the groove 16, so that the whole clamping portion 141 can be better clamped in the groove 16, and further gaps are not formed between the clamping portion 141 and the end plate 11 and between the clamping portion and the top end surface of the shell, so that the tightness of directly clamping the output electrode on the end plate 11 can be further improved, the problem that gas is discharged from the gaps between the output electrode and the end plate 11 is avoided, the directional exhaust of the exhaust hole 12 is further ensured, the problem that high-temperature gas is discharged from the output electrode and the output electrode is easily damaged is further avoided. In this embodiment, two protection seats 14 are provided, and the two protection seats 14 are respectively connected with the positive output electrode and the negative output electrode of the directional exhaust battery module 1.
Further, as shown in fig. 4, the clamping grooves 144 are formed at two ends of the clamping portion 141, which are close to the groove edges of the groove 16, and the clamping grooves 144 are used for clamping the groove edges of the groove 16, so that the clamping effect is good, and the whole protection seat 14 can be stably fixed in the groove 16 on the end plate 11.
Specifically, as shown in fig. 2 and 4, the output electrode includes a connecting member and an output member 13 connected to each other, the connecting member is used for connecting the battery cell 17, and the output member 13 is used for connecting the copper bar. Wherein, be provided with first mounting hole 131 on output piece 13, be provided with on placing portion 142 with first mounting hole 131 assorted second mounting hole 145, first mounting hole 131 and second mounting hole 145 are used for installing the copper bar to output piece 13 and place portion 142 on to guarantee the performance of whole directional exhaust battery module 1. The battery cell 17, the output electrode and the copper bar are common structures in the battery module in the prior art, so the working principle thereof is not described in detail here.
The copper bars are mounted to the output member 13 and the placement portion 142 by fasteners, which pass through the copper bars, the first mounting holes 131 and the second mounting holes 145 in order to fixedly connect the copper bars. In this embodiment, the fastener is a bolt and a nut matched with the bolt.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.

Claims (9)

1. A directional exhaust battery module, comprising:
the shell comprises an end plate (11), a plurality of exhaust holes (12) are formed in the top end of the end plate (11), an insulating high-temperature-resistant layer (15) is laid on one side surface, close to the inner side of the shell, of the end plate (11), and the exhaust holes (12) are formed in the insulating high-temperature-resistant layer (15);
the battery cell (17) and the copper bar are respectively arranged on the inner side and the outer side of the shell, the top end of the battery cell (17) and the exhaust hole (12) are arranged oppositely, an arc structure (18) is arranged at the top sealing position of the battery cell (17), and the arc center of the arc structure (18) is close to the end plate (11);
the output electrode is arranged on the end plate (11) in a penetrating way and is used for connecting the battery cell (17) and the copper bar;
the protection seat (14) is made of mica, the protection seat (14) comprises a clamping part (141) which is arranged in parallel with the end plate (11) and a placement part (142) which extends from the clamping part (141) to the outer side close to the shell vertically, the clamping part (141) is used for being clamped in a groove (16) of the end plate (11), the length of the clamping part (141) in the depth direction of the groove (16) is the same as the depth of the groove (16), the whole clamping part (141) is just clamped in the groove (16), so that gaps are not reserved between the clamping part (141), the end plate (11) and the top end surface of the shell, the sealing performance of directly clamping the output electrode on the end plate (11) is improved, and a through hole (143) is arranged on the clamping part (141) so that the part of the output electrode positioned on the outer side of the shell passes through the through hole (16) and is placed on the placement part (142).
The length of the clamping part (141) along the length direction of the end plate (11) is matched with the width of the groove (16).
2. The directional exhaust battery module according to claim 1, characterized in that the insulating high temperature resistant layer (15) is formed of mica.
3. The directional exhaust battery module according to claim 1, wherein the clamping portion (141) is provided with clamping grooves (144) at both ends of the clamping portion near the groove edge of the groove (16), and the clamping grooves (144) are used for clamping the groove edge of the groove (16).
4. The directional exhaust battery module according to claim 1, characterized in that the output electrode comprises a connecting piece and an output piece (13) connected to each other, the connecting piece being used for connecting the electric core (17), the output piece (13) being used for connecting the copper bar.
5. The directional exhaust battery module according to claim 4, wherein a first mounting hole (131) is provided on the output member (13), a second mounting hole (145) matching the first mounting hole (131) is provided on the placement portion (142), and the first mounting hole (131) and the second mounting hole (145) are used for mounting the copper bar to the output member (13) and the placement portion (142).
6. The directional exhaust battery module according to claim 4, wherein the copper bar is mounted to the output member (13) and the placement portion (142) by fasteners.
7. The directional exhaust battery module as recited in claim 6 wherein the fastener is a bolt and a nut mated with the bolt.
8. The directional exhaust battery module according to claim 1, wherein the number of the protection seats (14) is two, and the protection seats are respectively connected with the positive output pole and the negative output pole of the directional exhaust battery module (1).
9. The directional exhaust battery module according to claim 1, wherein a plurality of the exhaust holes (12) are aligned in a straight line along the length direction of the end plate (11).
CN202110438301.2A 2021-04-22 2021-04-22 Directional exhaust battery module Active CN113517514B (en)

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Application Number Priority Date Filing Date Title
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CN113517514B true CN113517514B (en) 2023-06-20

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019148612A1 (en) * 2018-01-31 2019-08-08 宁德时代新能源科技股份有限公司 Battery module
WO2019174085A1 (en) * 2018-03-16 2019-09-19 宁德时代新能源科技股份有限公司 Battery module and battery pack
CN209544451U (en) * 2019-03-15 2019-10-25 北京新能源汽车股份有限公司蓝谷动力***分公司 battery module and battery pack

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4862211B2 (en) * 2000-08-08 2012-01-25 株式会社Gsユアサ Sealed secondary battery
JP2008027849A (en) * 2006-07-25 2008-02-07 Denso Corp Seal member
CN101820075B (en) * 2010-05-12 2012-04-25 哈尔滨工业大学 Direct flame type solid oxide fuel battery pack and preparation method thereof
CN106654114A (en) * 2017-01-22 2017-05-10 北京新能源汽车股份有限公司 Power battery structure and car
CN108428823B (en) * 2017-08-30 2024-02-13 宁德时代新能源科技股份有限公司 Top cap subassembly and secondary cell of secondary cell
CN110277533B (en) * 2018-03-16 2020-12-29 宁德时代新能源科技股份有限公司 Battery module
CN108482571A (en) * 2018-05-29 2018-09-04 项灿 The battery and controller module of integral type
CN208819951U (en) * 2018-10-17 2019-05-03 宁德时代新能源科技股份有限公司 Battery modules and its protection component
CN111668423B (en) * 2019-03-08 2021-12-07 比亚迪股份有限公司 Battery module, power battery package and vehicle
CN209344206U (en) * 2019-03-29 2019-09-03 蜂巢能源科技有限公司 Battery modules output stage protective base and output stage guard shield
CN209357807U (en) * 2019-04-12 2019-09-06 宁德时代新能源科技股份有限公司 Battery modules
CN210535738U (en) * 2019-10-31 2020-05-15 上海蔚来汽车有限公司 Heat insulation assembly of battery module
CN112635887A (en) * 2020-12-30 2021-04-09 福建飞毛腿动力科技有限公司 Delay burning prevention battery with air leakage channel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019148612A1 (en) * 2018-01-31 2019-08-08 宁德时代新能源科技股份有限公司 Battery module
WO2019174085A1 (en) * 2018-03-16 2019-09-19 宁德时代新能源科技股份有限公司 Battery module and battery pack
CN209544451U (en) * 2019-03-15 2019-10-25 北京新能源汽车股份有限公司蓝谷动力***分公司 battery module and battery pack

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