CN204614833U - Battery modules and electrokinetic cell system - Google Patents
Battery modules and electrokinetic cell system Download PDFInfo
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- CN204614833U CN204614833U CN201520297597.0U CN201520297597U CN204614833U CN 204614833 U CN204614833 U CN 204614833U CN 201520297597 U CN201520297597 U CN 201520297597U CN 204614833 U CN204614833 U CN 204614833U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses the electrokinetic cell system of a kind of battery modules and this battery modules of use, battery modules comprises battery pack and installs the module shell of battery pack, and module shell comprises installation underframe, installs in underframe the circulation passage be provided with for coolant flow; Install on underframe and be also provided with installation groove, install in groove and be provided with the bonding glue-line of heat conduction, the first end of battery pack is fixed on by the bonding glue-line of heat conduction to be installed in groove.Compared with prior art, the utility model is installed on underframe by being integrated in by circulation passage, make circulation passage part as module shell together with installation underframe, cooling fluid in such circulation passage and between battery pack only every module shell, be almost direct contact, improve heat conductivility; The gap that the bonding glue-line of heat conduction is filled with battery pack and installs between groove, not only increases the integrally-built strength and stiffness of battery modules, also reduces thermal resistance, improve heat conductivility, sufficiently lower the working temperature of battery pack.
Description
Technical field
The utility model belongs to field of batteries, and more particularly, the utility model relates to a kind of battery modules and electrokinetic cell system.
Background technology
At present, electric automobile is a popular direction of current automobile industry development, and the core component of electric automobile is lithium-ion power battery system.Lithium-ion power battery system comprises the battery system be made up of at least one battery modules.When lithium-ion power battery system works, battery modules is relatively stricter to the requirement of working temperature, and the too high meeting of temperature has a strong impact on the service behaviour of battery modules.Therefore, be typically provided with cooling system in existing lithium-ion power battery system, reduce working temperature with this, protection battery modules.
Lithium-ion power battery system is commonly used liquid cooling to lower the temperature.Wherein, a kind of lithium-ion power battery system of typical liquid cooling cooling-down comprises electronic box and at least one battery modules, and battery modules forms an entirety by multiple electrokinetic cell monomer and module shell, to strengthen structural strength and the rigidity of battery modules.Arrange liquid cooling system in electronic box, battery modules is contacted with the coldplate of liquid cooling system by module shell, thus realizes the heat conduction of battery system and liquid cooling system.But by module shell, non-immediate contacts with liquid cooling system battery modules, can increase thermal resistance so that reduce heat conductivility; Further, due to the difference of machining accuracy, between module shell and the coldplate of liquid cooling system, inevitably there is gap, also can increase thermal resistance, reduce heat conductivility.In addition, in order to reduce the gap between module shell and coldplate, the requirement of said structure to module shell and coldplate flatness is very high, considerably increases manufacturing cost.
Utility model content
The purpose of this utility model is: provide a kind of battery modules and electrokinetic cell system, to avoid existing battery modules and electrokinetic cell system thermal resistance is high, the problem of poor thermal conductivity.
In order to realize above-mentioned utility model object, the utility model provides a kind of battery modules, it module shell comprising battery pack and install battery pack, and described module shell comprises installation underframe, installs in underframe the circulation passage be provided with for coolant flow; Install on underframe and be also provided with installation groove, install in groove and be provided with the bonding glue-line of heat conduction, the first end of battery pack is fixed on by the bonding glue-line of heat conduction to be installed in groove.
One as the utility model battery modules is improved, and described installation groove is provided with at least two ribs, and described rib is kept out in described battery pack, and the thickness of each rib be 1mm-5mm, highly for 10mm-100mm.
One as the utility model battery modules is improved, the groove width 0.1mm-1mm larger than the width of battery pack of described installation groove.
One as the utility model battery modules is improved, the dividing plate that described installation underframe comprises a U-shaped substrate, the first end plate, the second end plate and at least two are fixed on substrate, described first end plate and the second end plate are individually fixed in the opposite end of substrate, one end of dividing plate is installed on one in the first or second end plate, leaves gap between the other end and another end plate; Adjacent two dividing plates are installed on different end plates, and be equipped with interval between adjacent two dividing plates, near between the dividing plate and substrate sidewall of substrate two side, be communicated with the gap of end plate by dividing plate between adjacent spaces, connected the circulation passage of a formation bending jointly in all intervals and gap.
One as the utility model battery modules is improved, and described first end plate is provided with import in one of them side-walls near substrate, and described second end plate is provided with outlet in another opposing sidewalls place near substrate; Described import and outlet respectively and the interval of adjacent sidewall be communicated with.
One as the utility model battery modules is improved, and described dividing plate is straight plate, and the bearing of trend at each interval is all consistent with the orientation of battery core in battery pack, and the cross section at each interval is circular or polygon.
One as the utility model battery modules is improved, described installation underframe also comprises top board, the relative two side ends of described top board is individually fixed in the two side of described substrate, and the two side of substrate extends to higher than described top board and forms two ribs, and described installation groove is surrounded by top board and two ribs.
One as the utility model battery modules is improved, and the thickness of each rib described is 1mm-5mm, is highly 10mm-100mm.
One as the utility model battery modules is improved, and described module shell also comprises one and fixedly encloses frame, describedly fixedly encloses the side face that frame is surrounded on described battery pack.
The utility model additionally provides a kind of electrokinetic cell system, and described electrokinetic cell system comprises the battery modules described in above-mentioned any one.
Compared with prior art, electrokinetic cell system of the present utility model and battery modules are installed on underframe by being integrated in by circulation passage, make circulation passage part as module shell together with installation underframe, cooling fluid in such circulation passage and between battery pack only every module shell, be almost direct contact, improve heat conductivility; The gap that the bonding glue-line of heat conduction is filled with battery pack and installs between groove, not only increases the integrally-built strength and stiffness of battery modules, also reduces thermal resistance, improve heat conductivility, sufficiently lower the working temperature of battery pack.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model battery modules, electrokinetic cell system and beneficial effect thereof are described in detail.
Fig. 1 is the assembling schematic diagram of the utility model battery modules;
Fig. 2 is that schematic diagram is looked on a left side of installing underframe in Fig. 1;
Fig. 3 is the cross-sectional schematic of Fig. 2 along line A-A;
Fig. 4 is the cross-sectional schematic of Fig. 1 along line B-B.
Embodiment
In order to make the purpose of this utility model, technical scheme and Advantageous Effects thereof more clear, below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.Should be understood that, the embodiment described in this specification is only used to explain the utility model, is not intended to limit the utility model.
Refer to Fig. 1 to Fig. 3, the utility model electrokinetic cell system comprises at least one battery modules 100; When comprising multiple battery modules 100, these battery modules 100 connection in series-parallel form battery pack.Each battery modules 100 comprises battery pack 1 and installs the module shell 3 of battery pack 1.Module shell 3 comprises installs underframe 31.The circulation passage 311 be provided with for coolant flow is installed in underframe 31, makes cooling fluid in the circulation of circulation passage 311 Inner eycle, thus reduce the temperature of battery pack 1.Installation underframe 31 is provided with installation groove 313 towards the one side of battery pack 1, install in groove 313 and be provided with the bonding glue-line 315 (shown in Fig. 4) of heat conduction, and the first end of battery pack 1 is fixed on installation groove 313 by the bonding glue-line 315 of heat conduction.
The circulation passage 311 of cooling fluid is integrated in by the utility model electrokinetic cell system and battery modules 100 to be installed in underframe 31, circulation passage 311 is directly contacted with battery pack 1 as a part for module shell 3 together with installation underframe 31, improves heat conductivility.In addition, the bonding glue-line 315 of heat conduction guarantees that the first end of battery pack fully contacts with the groove bottom of installing groove 313, and the first end of battery pack 1 also fills up by the bonding glue-line 315 of heat conduction with the gap between the groove bottom of installing groove 313, decrease thermal resistance, improve heat conductivility, sufficiently lower the working temperature of battery pack 1.
Particularly, above-mentioned installation groove 313 comprises at least two ribs 319, and this two rib is mutually oppositely arranged or is interconnected.Rib 319 backstop in the side face of battery pack 1, and the thickness of each rib 319 be 1mm-5mm, highly for 10mm-100mm.More preferably, the groove width 0.1mm-1mm wider than the width of battery pack 1 of groove 313 is installed, so that install battery pack 1.The gap stayed after installation, is filled by the bonding glue-line 315 of heat conduction, guarantees the integrally-built strength and stiffness of module.
Incorporated by reference to reference to Fig. 2 and Fig. 3, install underframe 31 and adopt aluminum alloy materials to make, it comprises substrate 312, first end plate 314, second end plate 316 of a U-shaped and several are fixed on the dividing plate 317 of substrate 312.First end plate 314 and the second end plate 316 are installed on the opposite end of substrate 312 respectively.Adjacent separator 317 is interlaced, compartment of terrain is installed on first and second end plate 314,316, and each dividing plate 317 does not have to leave gap 33 between fixing one end the first end plate 314 corresponding thereto or the second end plate 316.Between adjacent two dividing plates 317, all separate between dividing plate 317 and the sidewall of substrate 312 and have interval 35.Be communicated with by gap 33 between adjacent two intervals 35, thus connected the circulation passage 311 of a formation bending in these intervals 35 together with gap 33.In other words, the first end of first dividing plate 317 in two adjacent dividing plates 317 is fixed on the first end plate 314, leaves gap 33 between its second end and the second end plate 316; The first end of second dividing plate 317 in two adjacent dividing plates 317 is fixed on the second end plate 316, leaves gap 33 between its first end and the first end plate 314.Interval 35 is had between these two adjacent dividing plates 317; Above-mentioned circulation passage 311 just comprises gap 33 and interval 35.It should be noted that, when having a dividing plate 317 adjacent with the sidewall of substrate 312 in these two adjacent dividing plates 317, above-mentioned interval 35 is exactly the gap between this dividing plate 317 and sidewall of substrate 312.
First end plate 314 is near the import 36 that one of them side-walls is provided with and corresponding interval 35 is communicated with of substrate 312.The outlet 37 that second end plate 314 is communicated with near the interval that another one opposing sidewalls place is provided with and another one is corresponding 35 of substrate 312.Like this, after cooling fluid flows into from import 36, after circulation passage 311 flowing of complications, flowed out by outlet 37.Circulation passage 311 is arranged to meander-like, increases cooling contact area, improve cooling effect.
In the present embodiment, the orientation of battery core consistent (namely the bearing of trend at each interval 35 is perpendicular to the large face of battery core) in the bearing of trend at each interval 35 and battery pack 1, therefore each interval 35 all can cool all battery cores; The cross section at each interval 35 can be circle or polygon.
In the present embodiment, first and second end plate 314,316 is fixed on substrate 312 by the mode of welding.Dividing plate 317 is fixed on the first or second end plate 314,316 by the mode of welding, or by squeeze aluminium technique directly with the first or second end plate 314,316 one-body molded.
Incorporated by reference to reference to Fig. 2 to Fig. 4, underframe 31 is installed and also comprises the top board 318 be covered on substrate 312.The relative two side ends of top board 318 is individually fixed in the two lateral walls of substrate 312, and the two lateral walls height of substrate 312 forms two ribs 319 higher than top board 318.The thickness of each rib 319 is 1mm-5mm, is highly 10mm-100mm.Above-mentioned installation groove 313 is combined by top board 318 and two ribs 319.The bonding glue-line 315 of heat conduction is laid in the end face of top board 318, and the first end of battery pack 1 is fixed on the end face of top board 318 by heat conduction bonded adhesives, and backstop is in rib 319.And preferably, in the present embodiment, the bonding glue-line 315 of heat conduction is the heat conduction bonded adhesives of epoxy type or polyurethane-type AB component, and cost is low, and performance is good.
It should be noted that, in other embodiments, installing groove 313 can have the end face of top board 318 depression to form.Like this, the two lateral walls of substrate 312 is also without the need to stretching formation two rib 319.
Incorporated by reference to reference Fig. 1, module shell 3 also comprises one and fixedly encloses frame 39.Fixedly enclose frame 39 by coated for the peripheric surface of battery pack 1.In the present embodiment, fixedly enclose frame 39 and enclose frame for end to end quadrangle, battery pack 1 is surrounded.Fixedly enclose frame 39 and install between underframe 31 separate, mutually not connecting.It should be noted that, in other embodiments, fixedly enclose the lower ora terminalis connection underframe 31 of frame 39, thus installation groove 313 is surrounded; Certainly, fixedly enclosing frame 39 also can be with to install underframe 31 one-body molded.
Incorporated by reference to reference Fig. 1, battery pack 1 comprises several battery cells 11.Battery modules 100 also comprises several brace (not shown).Every a connecting piece connects the second end of adjacent two battery cells 11, thus battery cell 11 connection in series-parallel is become above-mentioned battery pack 1.
Electrokinetic cell system of the present utility model and battery modules 100 are installed on underframe 31 by being integrated in by circulation passage 311, make circulation passage 311 part as module shell 3 together with installation underframe 31.Cooling fluid in such circulation passage 311 and between battery pack 1 only every module shell 3, be almost direct contact, improve heat conductivility.And the gap that the bonding glue-line 315 of heat conduction is filled with battery pack 1 and installs between groove 311, not only increase the integrally-built strength and stiffness of battery modules 100, also reduce thermal resistance, improve heat conductivility, sufficiently lower the working temperature of battery pack 1; In addition, the use of the bonding glue-line 315 of heat conduction, the planarity requirements also reducing battery bottom and install between underframe 31, reduces manufacturing cost.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and amendment to above-mentioned execution mode.Therefore, the utility model is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. a battery modules, it module shell comprising battery pack and install battery pack, it is characterized in that, described module shell comprises installation underframe, installs in underframe the circulation passage be provided with for coolant flow; Install on underframe and be also provided with installation groove, install in groove and be provided with the bonding glue-line of heat conduction, the first end of battery pack is fixed on by the bonding glue-line of heat conduction to be installed in groove.
2. battery modules according to claim 1, is characterized in that, described installation groove is provided with at least two ribs, and described rib is kept out in described battery pack, and the thickness of each rib be 1mm-5mm, highly for 10mm-100mm.
3. battery modules according to claim 2, is characterized in that, the groove width 0.1mm-1mm larger than the width of battery pack of described installation groove.
4. battery modules according to claim 1, it is characterized in that, the dividing plate that described installation underframe comprises a U-shaped substrate, the first end plate, the second end plate and at least two are fixed on substrate, described first end plate and the second end plate are individually fixed in the opposite end of substrate, one end of dividing plate is installed on one in the first or second end plate, leaves gap between the other end and another end plate; Adjacent two dividing plates are installed on different end plates, and be equipped with interval between adjacent two dividing plates, near between the dividing plate and substrate sidewall of substrate two side, be communicated with the gap of end plate by dividing plate between adjacent spaces, connected the circulation passage of a formation bending jointly in all intervals and gap.
5. battery modules according to claim 4, is characterized in that, described first end plate is provided with import in one of them side-walls near substrate, and described second end plate is provided with outlet in another opposing sidewalls place near substrate; Described import and outlet respectively and the interval of adjacent sidewall be communicated with.
6. battery modules according to claim 4, is characterized in that, described dividing plate is straight plate, and the bearing of trend at each interval is all consistent with the orientation of battery core in battery pack, and the cross section at each interval is circular or polygon.
7. battery modules according to claim 4, it is characterized in that, described installation underframe also comprises top board, the relative two side ends of described top board is individually fixed in the two side of described substrate, the two side of substrate extends to higher than described top board and forms two ribs, and described installation groove is surrounded by top board and two ribs.
8. battery modules according to claim 7, is characterized in that, the thickness of each rib described is 1mm-5mm, is highly 10mm-100mm.
9. battery modules according to claim 1, is characterized in that, described module shell also comprises one and fixedly encloses frame, describedly fixedly encloses the side face that frame is surrounded on described battery pack.
10. an electrokinetic cell system, is characterized in that, described electrokinetic cell system comprises the battery modules according to any one of the claims 1 to 9.
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| CN201520297597.0U CN204614833U (en) | 2015-05-11 | 2015-05-11 | Battery modules and electrokinetic cell system |
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| CN201520297597.0U CN204614833U (en) | 2015-05-11 | 2015-05-11 | Battery modules and electrokinetic cell system |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390636A (en) * | 2015-11-03 | 2016-03-09 | 宁德时代新能源科技有限公司 | Battery box |
| CN105552272A (en) * | 2016-02-29 | 2016-05-04 | 宁德时代新能源科技股份有限公司 | Power battery pack |
| CN106410319A (en) * | 2016-10-09 | 2017-02-15 | 浙江吉利控股集团有限公司 | Integrated liquid-cooling device of battery tray |
| CN106935927A (en) * | 2015-10-07 | 2017-07-07 | 三星Sdi株式会社 | Battery module and the vehicle including it |
| CN107026293A (en) * | 2015-11-03 | 2017-08-08 | 福特全球技术公司 | Traction battery component |
| CN107146767A (en) * | 2017-06-28 | 2017-09-08 | 华霆（合肥）动力技术有限公司 | Paste calibrating installation and method |
| CN107331920A (en) * | 2017-08-18 | 2017-11-07 | 上海蔚来汽车有限公司 | Battery pack housing and battery bag with heat exchange function |
| CN107528020A (en) * | 2016-06-17 | 2017-12-29 | Sk新技术株式会社 | Secondary battery |
| CN107845749A (en) * | 2016-09-19 | 2018-03-27 | 奥迪股份公司 | For the energy storage system of motor vehicle, motor vehicle and the method for manufacturing energy storage system |
| CN108198976A (en) * | 2017-12-29 | 2018-06-22 | 江西优特汽车技术有限公司 | Power battery and its module fixing means |
| CN108701791A (en) * | 2016-10-10 | 2018-10-23 | 株式会社Lg化学 | battery module assembly |
| CN108973755A (en) * | 2018-08-20 | 2018-12-11 | 湖南福德电气有限公司 | New energy vehicle cell safety detection device, method, computer readable storage medium |
| CN109103540A (en) * | 2017-12-06 | 2018-12-28 | 蔚来汽车有限公司 | Battery core cooling device |
| CN109192893A (en) * | 2018-08-31 | 2019-01-11 | 北京普莱德新能源电池科技有限公司 | A kind of battery modules and manufacturing method |
| CN109428032A (en) * | 2017-08-29 | 2019-03-05 | 大众汽车有限公司 | Battery case and method for manufacturing battery case |
| CN109546265A (en) * | 2019-01-14 | 2019-03-29 | 广东合新材料研究院有限公司 | Battery liquid cooling radiator structure and power supply device |
| CN109659643A (en) * | 2017-10-12 | 2019-04-19 | 大众汽车有限公司 | Battery cell module, secondary battery and motor vehicle |
| CN110620197A (en) * | 2019-09-24 | 2019-12-27 | 北京海纳川汽车部件股份有限公司 | Battery box subassembly, end backplate and vehicle |
| CN110994068A (en) * | 2019-11-28 | 2020-04-10 | 重庆长安新能源汽车科技有限公司 | Integrated power battery cooling structure and power battery |
| CN112151700A (en) * | 2020-09-24 | 2020-12-29 | 欣旺达电动汽车电池有限公司 | Single battery, battery module and battery system |
| CN114221072A (en) * | 2019-01-09 | 2022-03-22 | 比亚迪股份有限公司 | Battery pack without module frame, vehicle and energy storage device |
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| CN106935927A (en) * | 2015-10-07 | 2017-07-07 | 三星Sdi株式会社 | Battery module and the vehicle including it |
| US11495849B2 (en) | 2015-10-07 | 2022-11-08 | Samsung Sdi Co., Ltd. | Battery module including a housing floor with integrated cooling |
| CN106935927B (en) * | 2015-10-07 | 2021-08-10 | 三星Sdi株式会社 | Battery module and vehicle including same |
| CN105390636A (en) * | 2015-11-03 | 2016-03-09 | 宁德时代新能源科技有限公司 | Battery box |
| CN107026293A (en) * | 2015-11-03 | 2017-08-08 | 福特全球技术公司 | Traction battery component |
| CN105390636B (en) * | 2015-11-03 | 2018-02-06 | 宁德时代新能源科技股份有限公司 | Battery box |
| CN105552272A (en) * | 2016-02-29 | 2016-05-04 | 宁德时代新能源科技股份有限公司 | Power battery pack |
| CN107528020B (en) * | 2016-06-17 | 2024-03-29 | Sk新能源株式会社 | Secondary battery pack |
| CN107528020A (en) * | 2016-06-17 | 2017-12-29 | Sk新技术株式会社 | Secondary battery |
| US10991999B2 (en) | 2016-09-19 | 2021-04-27 | Audi Ag | Energy storage system for a motor vehicle, motor vehicle and method for producing an energy storage system |
| CN107845749A (en) * | 2016-09-19 | 2018-03-27 | 奥迪股份公司 | For the energy storage system of motor vehicle, motor vehicle and the method for manufacturing energy storage system |
| CN106410319A (en) * | 2016-10-09 | 2017-02-15 | 浙江吉利控股集团有限公司 | Integrated liquid-cooling device of battery tray |
| CN108701791A (en) * | 2016-10-10 | 2018-10-23 | 株式会社Lg化学 | battery module assembly |
| CN107146767B (en) * | 2017-06-28 | 2023-10-20 | 华霆（合肥）动力技术有限公司 | Paste calibration device and method |
| CN107146767A (en) * | 2017-06-28 | 2017-09-08 | 华霆（合肥）动力技术有限公司 | Paste calibrating installation and method |
| CN107331920A (en) * | 2017-08-18 | 2017-11-07 | 上海蔚来汽车有限公司 | Battery pack housing and battery bag with heat exchange function |
| CN109428032A (en) * | 2017-08-29 | 2019-03-05 | 大众汽车有限公司 | Battery case and method for manufacturing battery case |
| CN109659643A (en) * | 2017-10-12 | 2019-04-19 | 大众汽车有限公司 | Battery cell module, secondary battery and motor vehicle |
| CN109103540A (en) * | 2017-12-06 | 2018-12-28 | 蔚来汽车有限公司 | Battery core cooling device |
| CN108198976A (en) * | 2017-12-29 | 2018-06-22 | 江西优特汽车技术有限公司 | Power battery and its module fixing means |
| CN108973755A (en) * | 2018-08-20 | 2018-12-11 | 湖南福德电气有限公司 | New energy vehicle cell safety detection device, method, computer readable storage medium |
| CN109192893A (en) * | 2018-08-31 | 2019-01-11 | 北京普莱德新能源电池科技有限公司 | A kind of battery modules and manufacturing method |
| CN109192893B (en) * | 2018-08-31 | 2024-05-17 | 北京普莱德新能源电池科技有限公司 | Battery module and manufacturing method |
| CN114221072B (en) * | 2019-01-09 | 2024-01-30 | 比亚迪股份有限公司 | Battery pack without module frame, vehicle and energy storage device |
| CN114221072A (en) * | 2019-01-09 | 2022-03-22 | 比亚迪股份有限公司 | Battery pack without module frame, vehicle and energy storage device |
| US11955651B2 (en) | 2019-01-09 | 2024-04-09 | Byd Company Limited | Power battery pack and electric vehicle |
| CN109546265A (en) * | 2019-01-14 | 2019-03-29 | 广东合新材料研究院有限公司 | Battery liquid cooling radiator structure and power supply device |
| CN110620197A (en) * | 2019-09-24 | 2019-12-27 | 北京海纳川汽车部件股份有限公司 | Battery box subassembly, end backplate and vehicle |
| CN110994068A (en) * | 2019-11-28 | 2020-04-10 | 重庆长安新能源汽车科技有限公司 | Integrated power battery cooling structure and power battery |
| CN112151700A (en) * | 2020-09-24 | 2020-12-29 | 欣旺达电动汽车电池有限公司 | Single battery, battery module and battery system |
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Address after: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 Patentee after: Contemporary Amperex Technology Co.,Ltd. Address before: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 West Building 1F- research Patentee before: CONTEMPORARY AMPEREX TECHNOLOGY Ltd. |