CN112467075B - Pole piece, electric core and secondary battery - Google Patents
Pole piece, electric core and secondary battery Download PDFInfo
- Publication number
- CN112467075B CN112467075B CN202011220423.6A CN202011220423A CN112467075B CN 112467075 B CN112467075 B CN 112467075B CN 202011220423 A CN202011220423 A CN 202011220423A CN 112467075 B CN112467075 B CN 112467075B
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- 239000011247 coating layer Substances 0.000 claims description 35
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 claims description 20
- 239000011149 active material Substances 0.000 claims description 19
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 229910000572 Lithium Nickel Cobalt Manganese Oxide (NCM) Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 3
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- 229910002102 lithium manganese oxide Inorganic materials 0.000 claims description 3
- VLXXBCXTUVRROQ-UHFFFAOYSA-N lithium;oxido-oxo-(oxomanganiooxy)manganese Chemical compound [Li+].[O-][Mn](=O)O[Mn]=O VLXXBCXTUVRROQ-UHFFFAOYSA-N 0.000 claims description 3
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- 238000004804 winding Methods 0.000 description 1
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- 239000011701 zinc Substances 0.000 description 1
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- 229910001928 zirconium oxide Inorganic materials 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011220423.6A CN112467075B (en) | 2020-11-05 | 2020-11-05 | Pole piece, electric core and secondary battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011220423.6A CN112467075B (en) | 2020-11-05 | 2020-11-05 | Pole piece, electric core and secondary battery |
Publications (2)
Publication Number | Publication Date |
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CN112467075A CN112467075A (en) | 2021-03-09 |
CN112467075B true CN112467075B (en) | 2022-01-04 |
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CN202011220423.6A Active CN112467075B (en) | 2020-11-05 | 2020-11-05 | Pole piece, electric core and secondary battery |
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CN (1) | CN112467075B (en) |
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CN113555522B (en) * | 2021-07-21 | 2022-11-25 | 珠海冠宇电池股份有限公司 | Pole piece and battery |
CN114335419A (en) * | 2021-12-23 | 2022-04-12 | 蜂巢能源科技股份有限公司 | Lithium battery negative pole piece and lithium battery |
CN116888798B (en) * | 2022-10-17 | 2024-08-23 | 宁德时代新能源科技股份有限公司 | Secondary battery and electricity device comprising same |
CN115911259A (en) * | 2022-11-21 | 2023-04-04 | 江苏正力新能电池技术有限公司 | Battery pole group and secondary battery |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102332558A (en) * | 2011-03-22 | 2012-01-25 | 东莞新能源科技有限公司 | Lithium ion battery and anode pole piece thereof |
CN103117374A (en) * | 2013-02-19 | 2013-05-22 | 宁德新能源科技有限公司 | Positive pole tab of lithium ion secondary battery and preparation method thereof |
CN105074967A (en) * | 2013-03-15 | 2015-11-18 | 应用材料公司 | Multi-layer battery electrode design for enabling thicker electrode fabrication |
CN109585779A (en) * | 2018-10-30 | 2019-04-05 | 福建冠城瑞闽新能源科技有限公司 | Take into account the lithium ion cell electrode piece and preparation method of energy density and power density |
CN110247013A (en) * | 2018-03-08 | 2019-09-17 | 宁德时代新能源科技股份有限公司 | Positive pole piece and electrochemical device containing same |
-
2020
- 2020-11-05 CN CN202011220423.6A patent/CN112467075B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102332558A (en) * | 2011-03-22 | 2012-01-25 | 东莞新能源科技有限公司 | Lithium ion battery and anode pole piece thereof |
CN103117374A (en) * | 2013-02-19 | 2013-05-22 | 宁德新能源科技有限公司 | Positive pole tab of lithium ion secondary battery and preparation method thereof |
CN105074967A (en) * | 2013-03-15 | 2015-11-18 | 应用材料公司 | Multi-layer battery electrode design for enabling thicker electrode fabrication |
CN110247013A (en) * | 2018-03-08 | 2019-09-17 | 宁德时代新能源科技股份有限公司 | Positive pole piece and electrochemical device containing same |
CN109585779A (en) * | 2018-10-30 | 2019-04-05 | 福建冠城瑞闽新能源科技有限公司 | Take into account the lithium ion cell electrode piece and preparation method of energy density and power density |
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