CN204067445U - An anti-expansion lithium-ion power battery case - Google Patents
An anti-expansion lithium-ion power battery case Download PDFInfo
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- CN204067445U CN204067445U CN201420373871.3U CN201420373871U CN204067445U CN 204067445 U CN204067445 U CN 204067445U CN 201420373871 U CN201420373871 U CN 201420373871U CN 204067445 U CN204067445 U CN 204067445U
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract 3
- 235000009566 rice Nutrition 0.000 claims abstract 3
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 241000209094 Oryza Species 0.000 claims 2
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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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
Landscapes
- Filling, Topping-Up Batteries (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
技术领域 technical field
本实用新型涉及一种防膨胀锂离子动力电池壳，属于二次蓄电池技术领域。 The utility model relates to an anti-expansion lithium ion power battery shell, which belongs to the technical field of secondary storage batteries.
背景技术 Background technique
随着全球化石能源的日益紧张和环境污染的日益加剧，新能源汽车和分布式能源站的快速发展，小型锂离子电池已经不能满足电动汽车、电力储能和错峰调节等方面的需求，世界各国政府、研究机构和生产企业都投入巨资研究大容量、高功率锂离子动力电池。大容量、高功率的锂离子动力电池在充放电使用过程中，一些副反应的发生会产生一些气体，从而使锂离子电池出现不同程度的胀气、鼓肚、泄露等问题，从而严重影响锂离子电池的安全性能和循环寿命。尤其是市场上现有的大容量塑壳锂离子电池，由于壳体涉及不合理导致电池耐压程度低，在电池使用一段时间后鼓胀更为明显，导致电池质量急速下降，并有可能引起严重的安全问题。 With the increasing tension of global fossil energy and the increasing environmental pollution, and the rapid development of new energy vehicles and distributed energy stations, small lithium-ion batteries can no longer meet the needs of electric vehicles, power storage and peak-shift regulation. Governments, research institutes and manufacturers of various countries have invested heavily in the research of large-capacity, high-power lithium-ion power batteries. During the charging and discharging process of large-capacity and high-power lithium-ion power batteries, some side reactions will generate some gases, which will cause problems such as flatulence, bulging, and leakage in lithium-ion batteries to varying degrees, which will seriously affect the lithium-ion batteries. Battery safety performance and cycle life. Especially for the existing large-capacity plastic-case lithium-ion batteries on the market, due to the unreasonable design of the casing, the battery’s withstand voltage is low, and the swelling is more obvious after the battery has been used for a period of time, resulting in a rapid decline in battery quality and may cause severe damage. security issues.
发明内容 Contents of the invention
针对上述现有技术存在的问题及不足，本实用新型提供一种防膨胀锂离子动力电池壳。该电池壳体前、后、左、右四个面上沿横向、纵向以及斜向设置有加强筋，可以大大提高电池壳的耐压能力，本实用新型通过以下技术方案实现。 Aiming at the problems and deficiencies in the above-mentioned prior art, the utility model provides an anti-expansion lithium-ion power battery case. The front, back, left and right sides of the battery case are provided with reinforcing ribs along the transverse, longitudinal and oblique directions, which can greatly improve the pressure resistance of the battery case. The utility model is realized through the following technical solutions.
一种防膨胀锂离子动力电池壳，包括电池壳体1、与电池壳体1配合的上盖6和极柱2， 所述电池壳体1表面安装若干由加强筋11构成的米字型加强筋组，所述上盖6外表面两侧设有极柱孔8，上盖6中间位置设有注液孔7，上盖6内表面的极柱孔8上设有固定槽9和固定柱10，以防止极柱固定时移位，当将电芯14置于电池壳体1内时，电芯14通过极柱2与上盖6连接。 An anti-expansion lithium-ion power battery case, comprising a battery case 1, an upper cover 6 matched with the battery case 1 and a pole 2, the surface of the battery case 1 is equipped with a plurality of rice-shaped reinforcements composed of reinforcing ribs 11 There are pole holes 8 on both sides of the outer surface of the upper cover 6, a liquid injection hole 7 in the middle of the upper cover 6, and a fixing groove 9 and a fixing column on the pole holes 8 on the inner surface of the upper cover 6. 10, to prevent displacement when the pole is fixed, when the battery cell 14 is placed in the battery case 1, the battery cell 14 is connected to the upper cover 6 through the pole 2.
所述极柱2为中间位置设有空心柱体的立方台，空心柱体外表面设有为外螺纹的螺纹12，空心柱体内表面设有为内螺纹的螺纹12，立方台表面设有与固定柱10配合的凹槽，立方台上设有与电芯14极耳连接的连接孔13；电池安装时，在空心柱体外表面安装密封圈3后与上盖6连接。 Described pole 2 is the cube platform that is provided with hollow cylinder in the middle position, and the outer surface of hollow cylinder is provided with thread 12 that is external thread, and the inner surface of hollow cylinder is provided with thread 12 that is internal thread, and the surface of cube platform is provided with and fixed The groove that the post 10 matches, the cube platform is provided with the connection hole 13 that is connected with the battery cell 14 pole ears;
所述米字型加强筋组根据电池壳体1的大小均匀分布在电池壳体1的前、后、左、右四侧，每条加强筋11的厚度为电池壳体1总厚度的10~30%。 The rice-shaped reinforcing rib group is evenly distributed on the front, rear, left and right sides of the battery case 1 according to the size of the battery case 1, and the thickness of each reinforcing rib 11 is 10~10% of the total thickness of the battery case 1. 30%.
所述上盖6外表面的极柱孔8旁边分别标有“+”、“—”标注，以区分电池正负极。 The pole holes 8 on the outer surface of the upper cover 6 are respectively marked with "+" and "-" to distinguish the positive and negative poles of the battery.
所述当电芯14置于电池壳体1并盖好上盖6时，将安全阀5焊接于注液孔7上，一方面可以将注液口密封，另一方面当电池内部压力过大时可以冲破安全阀防止电池爆炸。 When the battery cell 14 is placed in the battery case 1 and the upper cover 6 is covered, the safety valve 5 is welded to the liquid injection hole 7. On the one hand, the liquid injection port can be sealed, and on the other hand, when the internal pressure of the battery is too high The safety valve can be broken through to prevent the battery from exploding.
所述电池壳体1和上盖6的材料为阻燃ABS塑料、PE塑料或PP塑料。 The battery case 1 and the upper cover 6 are made of flame-retardant ABS plastic, PE plastic or PP plastic.
所述的极柱2、安全阀5、注液孔7的数量和大小可以根据电池容量增减。 The number and size of the pole 2, the safety valve 5, and the liquid injection hole 7 can be increased or decreased according to the battery capacity.
该已电池壳安装电芯14的方法为：首先将电芯14置于电池壳体1内部，然后将极柱2上的连接孔13连接电芯14的极耳，极柱2上的空心柱体安装密封圈3后与上盖6的极柱孔8连接，然后安装螺帽4进行固定，最后将电解液从注液孔7注入到电芯14中，完成后将安全阀5焊接于注液孔7上，极柱2上的空心柱体上的内螺纹用于电池与外端用电设备相连。 The method of installing the battery cell 14 in the battery case is as follows: firstly, the battery cell 14 is placed inside the battery case 1, and then the connection hole 13 on the pole 2 is connected to the tab of the battery cell 14, and the hollow column on the pole 2 After the seal ring 3 is installed on the body, it is connected to the pole hole 8 of the upper cover 6, and then the nut 4 is installed to fix it, and finally the electrolyte is injected into the battery cell 14 from the injection hole 7, and the safety valve 5 is welded to the injection hole after completion. On the liquid hole 7, the internal thread on the hollow cylinder on the pole 2 is used for connecting the battery with the electrical equipment at the outer end.
本实用新型的有益效果是：该电池壳体前、后、左、右四个面上沿横向、纵向以及斜向设置有加强筋，可以大大提高电池壳的耐压能力，降低电池膨胀率和内阻，防止电池在充放电过程中鼓胀变形所引起的安全问题，延长电池循环寿命。 The beneficial effects of the utility model are: the front, rear, left and right sides of the battery case are provided with reinforcing ribs along the transverse, longitudinal and oblique directions, which can greatly improve the pressure resistance of the battery case and reduce the battery expansion rate and Internal resistance prevents safety issues caused by battery swelling and deformation during charging and discharging, and prolongs battery cycle life.
附图说明 Description of drawings
图1是本实用新型结构示意图； Fig. 1 is a structural representation of the utility model;
图2是本实用新型上盖俯视示意图； Fig. 2 is a top view schematic diagram of the utility model upper cover;
图3是本实用新型上盖仰视示意图； Fig. 3 is a schematic view of the upper cover of the present invention;
图4是本实用新型壳体示意图； Fig. 4 is a schematic diagram of the housing of the utility model;
图5是本实用新型极柱示意图； Fig. 5 is a schematic diagram of the pole of the utility model;
图6是本实用新型装配结构示意图。 Fig. 6 is a schematic diagram of the assembly structure of the utility model.
图中：1-电池壳体，2-极柱，3-密封圈，4-螺帽，5-安全阀，6-上盖，7-注液孔，8-极柱孔，9-固定槽，10-固定柱，11-加强筋，12-螺纹，13-连接孔，14-电芯。 In the figure: 1-battery shell, 2-pole, 3-sealing ring, 4-nut, 5-safety valve, 6-top cover, 7-liquid injection hole, 8-pole hole, 9-fixing groove , 10-fixing column, 11-reinforcing rib, 12-thread, 13-connecting hole, 14-cell.
具体实施方式 Detailed ways
下面结合附图和具体实施方式，对本实用新型作进一步说明。 Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
实施例1 Example 1
如图1至6所示，该防膨胀锂离子动力电池壳，包括电池壳体1、与电池壳体1配合的上盖6和极柱2， 所述电池壳体1表面安装若干由加强筋11构成的米字型加强筋组，所述上盖6外表面两侧设有极柱孔8，上盖6中间位置设有注液孔7，上盖6内表面的极柱孔8上设有固定槽9和固定柱10，以防止极柱固定时移位，当将电芯14置于电池壳体1内时，电芯14通过极柱2与上盖6连接。 As shown in Figures 1 to 6, the anti-expansion lithium-ion power battery case includes a battery case 1, an upper cover 6 and a pole 2 that cooperate with the battery case 1, and a number of ribs are installed on the surface of the battery case 1. 11 constitutes a rice-shaped reinforcing rib group, the two sides of the outer surface of the upper cover 6 are provided with pole holes 8, the middle position of the upper cover 6 is provided with a liquid injection hole 7, and the pole holes 8 on the inner surface of the upper cover 6 are provided with There are fixing slots 9 and fixing columns 10 to prevent displacement when the poles are fixed. When the battery cells 14 are placed in the battery case 1 , the battery cells 14 are connected to the upper cover 6 through the poles 2 .
其中极柱2为中间位置设有空心柱体的立方台，空心柱体外表面设有为外螺纹的螺纹12，空心柱体内表面设有为内螺纹的螺纹12，立方台表面设有与固定柱10配合的凹槽，立方台上设有与电芯14极耳连接的连接孔13；电池安装时，在空心柱体外表面安装密封圈3后与上盖6连接；米字型加强筋组根据电池壳体1的大小均匀分布在电池壳体1的前、后、左、右四侧，每条加强筋11的厚度为电池壳体1总厚度的10%；上盖6外表面的极柱孔8旁边分别标有“+”、“—”标注，以区分电池正负极；当电芯14置于电池壳体1并盖好上盖6时，将安全阀5焊接于注液孔7上，一方面可以将注液口密封，另一方面当电池内部压力过大时可以冲破安全阀防止电池爆炸；电池壳体1和上盖6的材料为阻燃ABS塑料。 Wherein the pole 2 is a cubic platform provided with a hollow cylinder in the middle, the outer surface of the hollow cylinder is provided with a thread 12 for an external thread, the inner surface of the hollow cylinder is provided with a thread 12 for an internal thread, and the surface of the cubic platform is provided with a fixed column. 10 matching grooves, the cube table is provided with connection holes 13 connected to the 14 poles of the battery; when the battery is installed, install the sealing ring 3 on the outer surface of the hollow cylinder and connect it to the upper cover 6; The size of the battery case 1 is evenly distributed on the front, rear, left and right sides of the battery case 1, and the thickness of each rib 11 is 10% of the total thickness of the battery case 1; The holes 8 are marked with "+" and "-" to distinguish the positive and negative poles of the battery; when the battery cell 14 is placed in the battery case 1 and the upper cover 6 is covered, the safety valve 5 is welded to the liquid injection hole 7 On the one hand, the liquid injection port can be sealed, and on the other hand, when the internal pressure of the battery is too high, the safety valve can be broken to prevent the battery from exploding; the material of the battery case 1 and the upper cover 6 is flame-retardant ABS plastic.
实施例2 Example 2
如图1至6所示，该防膨胀锂离子动力电池壳，包括电池壳体1、与电池壳体1配合的上盖6和极柱2， 所述电池壳体1表面安装若干由加强筋11构成的米字型加强筋组，所述上盖6外表面两侧设有极柱孔8，上盖6中间位置设有注液孔7，上盖6内表面的极柱孔8上设有固定槽9和固定柱10，以防止极柱固定时移位，当将电芯14置于电池壳体1内时，电芯14通过极柱2与上盖6连接。 As shown in Figures 1 to 6, the anti-expansion lithium-ion power battery case includes a battery case 1, an upper cover 6 and a pole 2 that cooperate with the battery case 1, and a number of ribs are installed on the surface of the battery case 1. 11 constitutes a rice-shaped reinforcing rib group, the two sides of the outer surface of the upper cover 6 are provided with pole holes 8, the middle position of the upper cover 6 is provided with a liquid injection hole 7, and the pole holes 8 on the inner surface of the upper cover 6 are provided with There are fixing slots 9 and fixing columns 10 to prevent displacement when the poles are fixed. When the battery cells 14 are placed in the battery case 1 , the battery cells 14 are connected to the upper cover 6 through the poles 2 .
其中极柱2为中间位置设有空心柱体的立方台，空心柱体外表面设有为外螺纹的螺纹12，空心柱体内表面设有为内螺纹的螺纹12，立方台表面设有与固定柱10配合的凹槽，立方台上设有与电芯14极耳连接的连接孔13；电池安装时，在空心柱体外表面安装密封圈3后与上盖6连接；米字型加强筋组根据电池壳体1的大小均匀分布在电池壳体1的前、后、左、右四侧，每条加强筋11的厚度为电池壳体1总厚度的30%； Wherein the pole 2 is a cubic platform provided with a hollow cylinder in the middle, the outer surface of the hollow cylinder is provided with a thread 12 for an external thread, the inner surface of the hollow cylinder is provided with a thread 12 for an internal thread, and the surface of the cubic platform is provided with a fixed column. 10 matching grooves, the cube table is provided with connection holes 13 connected to the 14 poles of the battery; when the battery is installed, install the sealing ring 3 on the outer surface of the hollow cylinder and connect it to the upper cover 6; The size of the battery case 1 is evenly distributed on the front, rear, left and right sides of the battery case 1, and the thickness of each rib 11 is 30% of the total thickness of the battery case 1;
上盖6外表面的极柱孔8旁边分别标有“+”、“—”标注，以区分电池正负极；当电芯14置于电池壳体1并盖好上盖6时，将安全阀5焊接于注液孔7上，一方面可以将注液口密封，另一方面当电池内部压力过大时可以冲破安全阀防止电池爆炸；电池壳体1和上盖6的材料为PE塑料。 The pole holes 8 on the outer surface of the upper cover 6 are marked with "+" and "-" respectively to distinguish the positive and negative electrodes of the battery; when the battery cell 14 is placed in the battery case 1 and the upper cover 6 is covered, the The valve 5 is welded on the liquid injection hole 7. On the one hand, it can seal the liquid injection port. On the other hand, when the internal pressure of the battery is too high, it can break through the safety valve to prevent the battery from exploding; the material of the battery case 1 and the upper cover 6 is PE plastic .
实施例3 Example 3
如图1至6所示，该防膨胀锂离子动力电池壳，包括电池壳体1、与电池壳体1配合的上盖6和极柱2， 所述电池壳体1表面安装若干由加强筋11构成的米字型加强筋组，所述上盖6外表面两侧设有极柱孔8，上盖6中间位置设有注液孔7，上盖6内表面的极柱孔8上设有固定槽9和固定柱10，以防止极柱固定时移位，当将电芯14置于电池壳体1内时，电芯14通过极柱2与上盖6连接。 As shown in Figures 1 to 6, the anti-expansion lithium-ion power battery case includes a battery case 1, an upper cover 6 and a pole 2 that cooperate with the battery case 1, and a number of ribs are installed on the surface of the battery case 1. 11 constitutes a rice-shaped reinforcing rib group, the two sides of the outer surface of the upper cover 6 are provided with pole holes 8, the middle position of the upper cover 6 is provided with a liquid injection hole 7, and the pole holes 8 on the inner surface of the upper cover 6 are provided with There are fixing slots 9 and fixing columns 10 to prevent displacement when the poles are fixed. When the battery cells 14 are placed in the battery case 1 , the battery cells 14 are connected to the upper cover 6 through the poles 2 .
其中极柱2为中间位置设有空心柱体的立方台，空心柱体外表面设有为外螺纹的螺纹12，空心柱体内表面设有为内螺纹的螺纹12，立方台表面设有与固定柱10配合的凹槽，立方台上设有与电芯14极耳连接的连接孔13；电池安装时，在空心柱体外表面安装密封圈3后与上盖6连接；米字型加强筋组根据电池壳体1的大小均匀分布在电池壳体1的前、后、左、右四侧，每条加强筋11的厚度为电池壳体1总厚度的20%；上盖6外表面的极柱孔8旁边分别标有“+”、“—”标注，以区分电池正负极；当电芯14置于电池壳体1并盖好上盖6时，将安全阀5焊接于注液孔7上，一方面可以将注液口密封，另一方面当电池内部压力过大时可以冲破安全阀防止电池爆炸；电池壳体1和上盖6的材料为阻燃PP塑料。 Wherein the pole 2 is a cubic platform provided with a hollow cylinder in the middle, the outer surface of the hollow cylinder is provided with a thread 12 for an external thread, the inner surface of the hollow cylinder is provided with a thread 12 for an internal thread, and the surface of the cubic platform is provided with a fixed column. 10 matching grooves, the cube table is provided with connection holes 13 connected to the 14 poles of the battery; when the battery is installed, install the sealing ring 3 on the outer surface of the hollow cylinder and connect it to the upper cover 6; The size of the battery case 1 is evenly distributed on the front, rear, left and right sides of the battery case 1, and the thickness of each rib 11 is 20% of the total thickness of the battery case 1; The holes 8 are marked with "+" and "-" to distinguish the positive and negative poles of the battery; when the battery cell 14 is placed in the battery case 1 and the upper cover 6 is covered, the safety valve 5 is welded to the liquid injection hole 7 On the one hand, the liquid injection port can be sealed, and on the other hand, when the internal pressure of the battery is too high, the safety valve can be broken to prevent the battery from exploding; the battery case 1 and the upper cover 6 are made of flame-retardant PP plastic.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373871.3U CN204067445U (en) | 2014-07-08 | 2014-07-08 | An anti-expansion lithium-ion power battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420373871.3U CN204067445U (en) | 2014-07-08 | 2014-07-08 | An anti-expansion lithium-ion power battery case |
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| Publication Number | Publication Date |
|---|---|
| CN204067445U true CN204067445U (en) | 2014-12-31 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258370A (en) * | 2018-01-17 | 2018-07-06 | 重庆鼎工机电有限公司 | A kind of novel monomeric aluminium-air cell |
| CN108321344A (en) * | 2018-01-17 | 2018-07-24 | 重庆鼎工机电有限公司 | A kind of aluminium-air cell, battery pack and generating set |
| CN108847458A (en) * | 2018-07-12 | 2018-11-20 | 深圳市景正电子技术开发有限公司 | A kind of insulating part structure and its preparation process |
| CN109768190A (en) * | 2018-12-26 | 2019-05-17 | 安徽理士电源技术有限公司 | A kind of battery cover anti-deforming structure of matrix structure big battery |
| CN110416443A (en) * | 2019-07-31 | 2019-11-05 | 安徽相源新能源有限公司 | A kind of lithium cell for being not easy to lose and its production method |
| CN110662375A (en) * | 2018-06-28 | 2020-01-07 | 比亚迪股份有限公司 | Motor controller cover, motor controller, drive assembly and vehicle |
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2014
- 2014-07-08 CN CN201420373871.3U patent/CN204067445U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258370A (en) * | 2018-01-17 | 2018-07-06 | 重庆鼎工机电有限公司 | A kind of novel monomeric aluminium-air cell |
| CN108321344A (en) * | 2018-01-17 | 2018-07-24 | 重庆鼎工机电有限公司 | A kind of aluminium-air cell, battery pack and generating set |
| CN108321344B (en) * | 2018-01-17 | 2021-05-07 | 重庆鼎工机电有限公司 | Aluminum-air battery, battery pack and generator set |
| CN110662375A (en) * | 2018-06-28 | 2020-01-07 | 比亚迪股份有限公司 | Motor controller cover, motor controller, drive assembly and vehicle |
| CN108847458A (en) * | 2018-07-12 | 2018-11-20 | 深圳市景正电子技术开发有限公司 | A kind of insulating part structure and its preparation process |
| CN109768190A (en) * | 2018-12-26 | 2019-05-17 | 安徽理士电源技术有限公司 | A kind of battery cover anti-deforming structure of matrix structure big battery |
| CN110416443A (en) * | 2019-07-31 | 2019-11-05 | 安徽相源新能源有限公司 | A kind of lithium cell for being not easy to lose and its production method |
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