CN108091873B - 改善磷酸铁锂电池循环性能的高温搁置方法 - Google Patents
改善磷酸铁锂电池循环性能的高温搁置方法 Download PDFInfo
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- CN108091873B CN108091873B CN201711330575.XA CN201711330575A CN108091873B CN 108091873 B CN108091873 B CN 108091873B CN 201711330575 A CN201711330575 A CN 201711330575A CN 108091873 B CN108091873 B CN 108091873B
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- 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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/37—Phosphates of heavy metals
- C01B25/375—Phosphates of heavy metals of iron
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
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- 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
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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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- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
高温搁置 | 参照组 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 |
温度 | 40℃ | 55℃ | 55℃ | 65℃ | 65℃ | 75℃ |
时间 | 48h | 8h | 12h | 4h | 8h | 4h |
V1(mv) | 3331.18 | 3332.38 | 3332.09 | 3332.11 | 3331.55 | 3331.67 |
R1(mΩ) | 2.34 | 2.03 | 2.17 | 2.32 | 2.53 | 2.85 |
V2(mv) | 3330.93 | 3332.04 | 3331.61 | 3331.59 | 3331.46 | 3331.63 |
R2(mΩ) | 2.43 | 1.97 | 2 | 2.41 | 2.46 | 2.84 |
△R(mΩ) | 0.09 | -0.06 | -0.17 | 0.09 | -0.07 | -0.01 |
K(mv/d) | 0.08 | 0.11 | 0.16 | 0.17 | 0.03 | 0.01 |
Claims (1)
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CN109326827B (zh) * | 2018-10-15 | 2021-05-11 | 珠海冠宇电池股份有限公司 | 一种锂离子电池注液后的静置方法 |
CN109411828B (zh) * | 2018-10-15 | 2021-07-02 | 山西恒昌元科技有限公司 | 一种圆柱形锂电池预充电方法 |
CN109738816A (zh) * | 2019-02-22 | 2019-05-10 | 合肥国轩高科动力能源有限公司 | 一种锂离子电池长期存储的性能评价方法 |
CN112421116A (zh) * | 2020-09-29 | 2021-02-26 | 双登集团股份有限公司 | 优化磷酸铁锂电池循环性能及存储特性的高温搁置方法 |
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KR20070082379A (ko) * | 2006-02-16 | 2007-08-21 | 주식회사 엘지화학 | 고온 전처리 공정을 통한 리튬 이차 전지의 제조방법 |
CN103579700B (zh) * | 2013-10-25 | 2016-06-29 | 东莞市安德丰电池有限公司 | 一种锂离子电池分选配组方法 |
CN107046131A (zh) * | 2017-04-06 | 2017-08-15 | 桑顿新能源科技有限公司 | 一种磷酸铁锂体系锂离子电池及制备方法 |
CN107091991A (zh) * | 2017-04-28 | 2017-08-25 | 天津力神电池股份有限公司 | 锂离子电池电压一致性筛选方法 |
CN107247239B (zh) * | 2017-06-13 | 2019-07-16 | 天津市捷威动力工业有限公司 | 锂离子电池高温老化时间的确定方法 |
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