CN113632290A - 改善电池循环性能的方法和电子装置 - Google Patents
改善电池循环性能的方法和电子装置 Download PDFInfo
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- CN113632290A CN113632290A CN202080008681.XA CN202080008681A CN113632290A CN 113632290 A CN113632290 A CN 113632290A CN 202080008681 A CN202080008681 A CN 202080008681A CN 113632290 A CN113632290 A CN 113632290A
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
- H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
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Abstract
本申请提供一种改善电池循环性能的方法，应用于一电池中，所述电池包括正极膜片，所述正极膜片包括能够嵌入和脱出锂离子的正极活性物质，所述正极活性物质包括钴酸锂一次颗粒和由所述钴酸锂一次颗粒组成的钴酸锂二次颗粒，所述钴酸锂一次颗粒的平均粒径为0.1μm‑5μm，所述钴酸锂二次颗粒的平均粒径为10μm‑25μm，所述方法包括：在第一阶段，以第一阶段电流对所述电池充电至第一阶段电压；在第二阶段，以第二阶段电流对所述电池充电至第二阶段电压，所述第二阶段电压大于所述第一阶段电压，所述第二阶段电流小于所述第一阶段电流。本申请还提供一种电子装置。根据本申请提供的方法能够显著改善电池循环过程中低温放电性能。
Description
PCT国内申请，说明书已公开。
Claims (11)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/080489 WO2021184376A1 (zh) | 2020-03-20 | 2020-03-20 | 改善电池循环性能的方法和电子装置 |
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| CN113632290A true CN113632290A (zh) | 2021-11-09 |
| CN113632290B CN113632290B (zh) | 2023-11-28 |
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| CN (1) | CN113632290B (zh) |
| WO (1) | WO2021184376A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744713A (zh) * | 2022-04-12 | 2022-07-12 | 深圳市华宝新能源股份有限公司 | 一种储能电源的充电方法、装置、设备和介质 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298556A (zh) * | 1998-03-23 | 2001-06-06 | 住友金属矿山株式会社 | 用于非水电解质二次电池的正极活性材料及其制备方法以及使用该正极活性材料的非水电解质二次电池 |
| CN101809805A (zh) * | 2008-06-12 | 2010-08-18 | 松下电器产业株式会社 | 锂离子二次电池的充电方法以及充放电方法 |
| CN105375072A (zh) * | 2014-08-15 | 2016-03-02 | 艾默生网络能源有限公司 | 一种电池充电方法及装置 |
| CN106099059A (zh) * | 2016-07-05 | 2016-11-09 | 宁德新能源科技有限公司 | 一种正极材料及其制备方法和电池 |
| CN108878795A (zh) * | 2017-05-15 | 2018-11-23 | 宁德时代新能源科技股份有限公司 | 改性正极活性材料及其制备方法及电化学储能装置 |
| CN109004694A (zh) * | 2017-06-07 | 2018-12-14 | 宁德新能源科技有限公司 | 一种充电方法及装置 |
| CN110098646A (zh) * | 2018-01-31 | 2019-08-06 | 宁德新能源科技有限公司 | 充电方法、充电装置、终端及可读存储介质 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3884802B2 (ja) * | 1996-11-07 | 2007-02-21 | 日産自動車株式会社 | リチウムイオン電池の充電方法 |
| JPWO2010079563A1 (ja) * | 2009-01-07 | 2012-06-21 | パナソニック株式会社 | 組電池の充電方法、及び電池充電システム |
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- 2020-03-20 WO PCT/CN2020/080489 patent/WO2021184376A1/zh active Application Filing
- 2020-03-20 CN CN202080008681.XA patent/CN113632290B/zh active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298556A (zh) * | 1998-03-23 | 2001-06-06 | 住友金属矿山株式会社 | 用于非水电解质二次电池的正极活性材料及其制备方法以及使用该正极活性材料的非水电解质二次电池 |
| CN101809805A (zh) * | 2008-06-12 | 2010-08-18 | 松下电器产业株式会社 | 锂离子二次电池的充电方法以及充放电方法 |
| CN105375072A (zh) * | 2014-08-15 | 2016-03-02 | 艾默生网络能源有限公司 | 一种电池充电方法及装置 |
| CN106099059A (zh) * | 2016-07-05 | 2016-11-09 | 宁德新能源科技有限公司 | 一种正极材料及其制备方法和电池 |
| CN108878795A (zh) * | 2017-05-15 | 2018-11-23 | 宁德时代新能源科技股份有限公司 | 改性正极活性材料及其制备方法及电化学储能装置 |
| CN109004694A (zh) * | 2017-06-07 | 2018-12-14 | 宁德新能源科技有限公司 | 一种充电方法及装置 |
| CN110098646A (zh) * | 2018-01-31 | 2019-08-06 | 宁德新能源科技有限公司 | 充电方法、充电装置、终端及可读存储介质 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744713A (zh) * | 2022-04-12 | 2022-07-12 | 深圳市华宝新能源股份有限公司 | 一种储能电源的充电方法、装置、设备和介质 |
| CN114744713B (zh) * | 2022-04-12 | 2023-08-22 | 深圳市华宝新能源股份有限公司 | 一种储能电源的充电方法、装置、设备和介质 |
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| Publication number | Publication date |
|---|---|
| WO2021184376A1 (zh) | 2021-09-23 |
| CN113632290B (zh) | 2023-11-28 |
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