CN114597556A - Sodium ion electricity core aluminum hull apron - Google Patents
Sodium ion electricity core aluminum hull apron Download PDFInfo
- Publication number
- CN114597556A CN114597556A CN202210225120.6A CN202210225120A CN114597556A CN 114597556 A CN114597556 A CN 114597556A CN 202210225120 A CN202210225120 A CN 202210225120A CN 114597556 A CN114597556 A CN 114597556A
- Authority
- CN
- China
- Prior art keywords
- cover plate
- main body
- negative pole
- sodium ion
- negative
- 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.)
- Pending
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 42
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910001415 sodium ion Inorganic materials 0.000 title claims abstract description 32
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 230000005611 electricity Effects 0.000 title description 2
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 4
- 239000011888 foil Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/147—Lids or covers
- H01M50/155—Lids or covers characterised by the material
- H01M50/157—Inorganic material
- H01M50/159—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
Abstract
The invention discloses a sodium ion battery cell aluminum shell cover plate which comprises a cover plate main body, and a positive pole column and a negative pole column which are arranged on the cover plate main body; the lower end of the positive pole column is provided with a positive base which is fixedly connected with the cover plate main body; the lower end of the negative pole post is provided with a negative base which is fixedly connected with the cover plate main body; a positive pole adapter sheet is arranged at the joint of the cover plate main body and the positive pole; and a negative pole adapter sheet is arranged at the joint of the cover plate main body and the negative pole post. The aluminum negative pole post and the negative pole adapter sheet are designed, so that the welding strength of the negative pole adapter sheet and the negative pole aluminum foil can be improved, and the advantage of a sodium ion battery cell in selective use of the negative pole foil is reflected; meanwhile, the aluminum material can be used to achieve the effect of reducing the cost on the premise of not changing the original technology of manufacturing the mold by producing the cover plate; has wide application prospect in the field of sodium ion batteries.
Description
Technical Field
The invention relates to the technical field of sodium ion battery cell cover plates, in particular to a sodium ion battery cell aluminum shell cover plate.
Background
The sodium ion battery is a new electrochemical energy storage technology and has the advantages of rich raw materials and low price. With the continuous temperature rise of the market attention, the related research is continuously and deeply carried out, the sodium ion battery technology is continuously perfected, and the industrialization process is accelerated.
As a reserve energy storage technology in the energy storage market, a sodium ion battery needs to be designed into a large-capacity single aluminum shell battery in order to be better butted with the market. Due to the intrinsic safety of the sodium ion battery, the negative foil can be made of aluminum foil, and meanwhile, the effect of reducing the cost is achieved. In the conventional aluminum shell cover plate design, the negative electrode adopts a copper pole and a rotating connecting piece, but the welding between the copper pole and the aluminum foil of the negative electrode current collector has a great problem and the cost is expensive.
Therefore, it is an urgent technical problem in the art to provide an aluminum case cover plate of a sodium ion cell, which can solve the problem of welding with an aluminum foil of a negative current collector and can reduce the cost by using an aluminum material without changing the original mold for manufacturing the cover plate.
Disclosure of Invention
In view of the above, the present invention provides a cover plate for an aluminum shell of a sodium ion battery cell. The purpose is to solve the above-mentioned deficiency and offer.
In order to solve the technical problems, the invention adopts the following technical scheme:
a sodium ion battery cell aluminum shell cover plate comprises a cover plate main body, and a positive pole column and a negative pole column which are arranged on the cover plate main body; the lower end of the positive pole column is provided with a positive base which is fixedly connected with the cover plate main body; the lower end of the negative pole post is provided with a negative base and is fixedly connected with the cover plate main body through the negative base;
a positive pole adapter sheet is arranged at the joint of the cover plate main body and the positive pole; and a negative pole adapter sheet is arranged at the joint of the cover plate main body and the negative pole post.
Preferably, the positive pole column is isolated from the cover plate body by conductive plastic.
Preferably, the negative pole post is isolated from the cover plate body by insulating plastic cement.
Preferably, the positive base and the negative base are both made of metal aluminum.
Preferably, the positive pole adapter plate and the negative pole adapter plate are both made of metal aluminum.
Preferably, the positive electrode adaptor piece and the negative electrode adaptor piece are designed as independent components.
Compared with the prior art, the invention has the following technical effects:
the aluminum shell cover plate of the sodium ion battery cell has a simple structure and reasonable design, and the welding strength of the negative pole adapter sheet and the negative pole aluminum foil can be improved by designing the aluminum negative pole post and the negative pole adapter sheet, so that the advantage of the sodium ion battery cell in the selective use of the negative pole foil is embodied; meanwhile, the aluminum material can be used for achieving the effect of reducing the cost on the aspect of not changing the original technology of manufacturing the mold by producing the cover plate. The sodium ion battery cell aluminum shell cover plate has wide application prospect in the field of sodium ion batteries.
Drawings
Fig. 1 is a front view of an aluminum housing cover plate of a sodium ion cell of the present invention;
fig. 2 is a top view of a sodium ion cell aluminum shell cover plate of the present invention;
fig. 3 is a schematic diagram of an explosion structure of an aluminum shell cover plate of a sodium ion battery cell according to the present invention;
fig. 4 is a diagram illustrating the welding effect of the adapter plate of the cover plate of the aluminum shell of the sodium ion battery cell according to the present invention;
in the figure: 1. a cover plate body; 2. a positive pole column; 21. conducting plastic; 22. a positive electrode base; 3. a negative electrode post; 31. insulating plastic cement; 32. a negative electrode base; 4. a positive electrode patch; 5. and a negative pole adapter plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Examples
Referring to fig. 1, the sodium ion cell aluminum shell cover plate includes a cover plate main body 1, and a positive electrode post 2 and a negative electrode post 3 disposed on the cover plate main body 1; the lower end of the positive pole post 2 is provided with a positive base 22 and is fixedly connected with the cover plate main body 1 through the positive base 22; the lower end of the cathode pole 3 is provided with a cathode base 32 and is fixedly connected with the cover plate main body 1 through the cathode base 32;
a positive pole adapter plate 4 is arranged at the joint of the cover plate main body 1 and the positive pole post 2; and a negative pole adapter plate 5 is arranged at the joint of the cover plate main body 1 and the negative pole post 3.
In this embodiment, the conductive plastic 21 is disposed between the positive electrode post 2 and the cover plate body 1 for isolation.
In this embodiment, an insulating plastic 31 is disposed between the negative electrode post 3 and the cover plate body 1 for isolation.
In this embodiment, the positive electrode base 22 and the negative electrode base 32 are made of aluminum.
In this embodiment, the positive electrode patch 4 and the negative electrode patch 5 are both made of metal aluminum.
The aluminum shell cover plate of the sodium ion battery cell has a simple structure and reasonable design, and the welding strength of the negative pole adapter sheet and the negative pole aluminum foil can be improved by designing the aluminum negative pole post and the negative pole adapter sheet, so that the advantage of the sodium ion battery cell in the selective use of the negative pole foil is embodied; meanwhile, the aluminum material can be used for achieving the effect of reducing the cost on the aspect of not changing the original technology of manufacturing the mold by producing the cover plate. The sodium ion battery cell aluminum shell cover plate has wide application prospect in the field of sodium ion batteries.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (5)
1. The sodium ion battery cell aluminum shell cover plate is characterized by comprising a cover plate main body (1), and a positive pole column (2) and a negative pole column (3) which are arranged on the cover plate main body (1); the lower end of the positive pole column (2) is provided with a positive base (22), and the positive base (22) is fixedly connected with the cover plate main body (1); the lower end of the negative pole post (3) is provided with a negative base (32) and is fixedly connected with the cover plate main body (1) through the negative base (32);
a positive pole adapter sheet (4) is arranged at the joint of the cover plate main body (1) and the positive pole column (2); and a negative pole adapter sheet (5) is arranged at the joint of the cover plate main body (1) and the negative pole post (3).
2. The sodium ion battery cell aluminum shell cover plate of claim 1, characterized in that a conductive plastic (21) is arranged between the positive electrode post (2) and the cover plate body (1) for isolation.
3. The sodium ion battery cell aluminum shell cover plate according to claim 1, characterized in that an insulating plastic (31) is arranged between the negative electrode post (3) and the cover plate body (1) for isolation.
4. The sodium ion cell aluminum casing cover plate of claim 1, wherein the positive base (22) and the negative base (32) are both made of metal aluminum.
5. The cover plate of the sodium ion battery cell aluminum shell according to claim 1, wherein the positive adapter plate (4) and the negative adapter plate (5) are made of metal aluminum.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210225120.6A CN114597556A (en) | 2022-03-07 | 2022-03-07 | Sodium ion electricity core aluminum hull apron |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210225120.6A CN114597556A (en) | 2022-03-07 | 2022-03-07 | Sodium ion electricity core aluminum hull apron |
Publications (1)
Publication Number | Publication Date |
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CN114597556A true CN114597556A (en) | 2022-06-07 |
Family
ID=81815150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202210225120.6A Pending CN114597556A (en) | 2022-03-07 | 2022-03-07 | Sodium ion electricity core aluminum hull apron |
Country Status (1)
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CN (1) | CN114597556A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116914334A (en) * | 2023-09-13 | 2023-10-20 | 中碳海巢(北京)新能源科技有限公司 | Aluminum shell cell cover plate |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203013809U (en) * | 2012-12-13 | 2013-06-19 | 浙江南都电源动力股份有限公司 | Cover plate structure for square aluminum shell power lithium-ion battery |
CN203721785U (en) * | 2014-01-08 | 2014-07-16 | 苏州创能新能源实业有限公司 | Battery aluminum shell cover plate |
CN204809329U (en) * | 2015-06-30 | 2015-11-25 | 东莞乔登节能科技有限公司 | Lithium cell core structure |
CN207183330U (en) * | 2017-07-28 | 2018-04-03 | 深圳市欣迪盟新能源科技股份有限公司 | Battery cover plate structure |
CN208797052U (en) * | 2018-09-28 | 2019-04-26 | 力信(江苏)能源科技有限责任公司 | A kind of rectangular cell cap structure |
CN209328959U (en) * | 2018-12-29 | 2019-08-30 | 中兴高能技术有限责任公司 | Battery cover plate structure and battery including the battery cover plate structure |
CN110246993A (en) * | 2019-07-18 | 2019-09-17 | 东莞阿李自动化股份有限公司 | A kind of battery cap and power battery |
CN209641693U (en) * | 2019-03-27 | 2019-11-15 | 东莞天予天正新能源科技有限公司 | Power battery top cover and power battery |
CN110957438A (en) * | 2019-12-11 | 2020-04-03 | 东莞塔菲尔新能源科技有限公司 | Battery top cover assembly structure and assembly method |
CN211350705U (en) * | 2019-12-31 | 2020-08-25 | 江苏春兰清洁能源研究院有限公司 | Battery upper cover structure with pole column provided with platform |
CN211428262U (en) * | 2019-12-30 | 2020-09-04 | 常熟高嘉能源科技有限公司 | Copper-aluminum composite pole cover plate |
CN212750998U (en) * | 2020-10-13 | 2021-03-19 | 厦门海辰新能源科技有限公司 | Power battery top cap |
CN113488731A (en) * | 2021-06-26 | 2021-10-08 | 山东圣阳电源股份有限公司 | Square aluminum shell lithium iron phosphate battery and battery cover plate thereof |
-
2022
- 2022-03-07 CN CN202210225120.6A patent/CN114597556A/en active Pending
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203013809U (en) * | 2012-12-13 | 2013-06-19 | 浙江南都电源动力股份有限公司 | Cover plate structure for square aluminum shell power lithium-ion battery |
CN203721785U (en) * | 2014-01-08 | 2014-07-16 | 苏州创能新能源实业有限公司 | Battery aluminum shell cover plate |
CN204809329U (en) * | 2015-06-30 | 2015-11-25 | 东莞乔登节能科技有限公司 | Lithium cell core structure |
CN207183330U (en) * | 2017-07-28 | 2018-04-03 | 深圳市欣迪盟新能源科技股份有限公司 | Battery cover plate structure |
CN208797052U (en) * | 2018-09-28 | 2019-04-26 | 力信(江苏)能源科技有限责任公司 | A kind of rectangular cell cap structure |
CN209328959U (en) * | 2018-12-29 | 2019-08-30 | 中兴高能技术有限责任公司 | Battery cover plate structure and battery including the battery cover plate structure |
CN209641693U (en) * | 2019-03-27 | 2019-11-15 | 东莞天予天正新能源科技有限公司 | Power battery top cover and power battery |
CN110246993A (en) * | 2019-07-18 | 2019-09-17 | 东莞阿李自动化股份有限公司 | A kind of battery cap and power battery |
CN110957438A (en) * | 2019-12-11 | 2020-04-03 | 东莞塔菲尔新能源科技有限公司 | Battery top cover assembly structure and assembly method |
CN211428262U (en) * | 2019-12-30 | 2020-09-04 | 常熟高嘉能源科技有限公司 | Copper-aluminum composite pole cover plate |
CN211350705U (en) * | 2019-12-31 | 2020-08-25 | 江苏春兰清洁能源研究院有限公司 | Battery upper cover structure with pole column provided with platform |
CN212750998U (en) * | 2020-10-13 | 2021-03-19 | 厦门海辰新能源科技有限公司 | Power battery top cap |
CN113488731A (en) * | 2021-06-26 | 2021-10-08 | 山东圣阳电源股份有限公司 | Square aluminum shell lithium iron phosphate battery and battery cover plate thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116914334A (en) * | 2023-09-13 | 2023-10-20 | 中碳海巢(北京)新能源科技有限公司 | Aluminum shell cell cover plate |
CN116914334B (en) * | 2023-09-13 | 2023-11-14 | 中碳海巢(北京)新能源科技有限公司 | Aluminum shell cell cover plate |
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