CN110444826A - 锂电池的化成分容法 - Google Patents
锂电池的化成分容法 Download PDFInfo
- Publication number
- CN110444826A CN110444826A CN201910602539.7A CN201910602539A CN110444826A CN 110444826 A CN110444826 A CN 110444826A CN 201910602539 A CN201910602539 A CN 201910602539A CN 110444826 A CN110444826 A CN 110444826A
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- battery
- time
- ocv
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- charging
- 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.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 47
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 59
- 230000032683 aging Effects 0.000 claims abstract description 56
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- 239000000126 substance Substances 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000007600 charging Methods 0.000 claims description 61
- 238000010281 constant-current constant-voltage charging Methods 0.000 claims description 12
- 238000012956 testing procedure Methods 0.000 claims description 6
- 229910001416 lithium ion Inorganic materials 0.000 claims description 5
- 230000037452 priming Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 3
- 238000012797 qualification Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Classifications
-
- 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
- H01M10/446—Initial charging measures
-
- 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
- Secondary Cells (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
Abstract
Description
出货电芯情况 | 实施例1 | 实施例2 | 实施例3 |
壳体底部内部发黑 | 否 | 否 | 否 |
容量合格率 | 99.87% | 99.68% | 99.79% |
K值合格率 | 99.54% | 99.42% | 99.37% |
内阻IR合格率 | 99.97% | 99.99% | 99.96% |
OCV合格率 | 99.23% | 99.33% | 99.32% |
总合格率 | 98.62% | 98.43% | 98.45% |
Claims (8)
Priority Applications (1)
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CN201910602539.7A CN110444826B (zh) | 2019-07-05 | 2019-07-05 | 锂电池的化成分容法 |
Applications Claiming Priority (1)
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CN201910602539.7A CN110444826B (zh) | 2019-07-05 | 2019-07-05 | 锂电池的化成分容法 |
Publications (2)
Publication Number | Publication Date |
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CN110444826A true CN110444826A (zh) | 2019-11-12 |
CN110444826B CN110444826B (zh) | 2021-09-10 |
Family
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Family Applications (1)
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CN201910602539.7A Active CN110444826B (zh) | 2019-07-05 | 2019-07-05 | 锂电池的化成分容法 |
Country Status (1)
Country | Link |
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CN (1) | CN110444826B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111090053A (zh) * | 2019-11-29 | 2020-05-01 | 力神动力电池系统有限公司 | 一种用于动力电池分档的方法 |
CN111239631A (zh) * | 2020-03-09 | 2020-06-05 | 天津市捷威动力工业有限公司 | 一种锂离子电池自放电识别筛选方法、存储介质、设备 |
CN114421016A (zh) * | 2021-12-16 | 2022-04-29 | 山东天瀚新能源科技有限公司 | 一种圆柱型锂电池化成老化工艺 |
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2019
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111090053A (zh) * | 2019-11-29 | 2020-05-01 | 力神动力电池系统有限公司 | 一种用于动力电池分档的方法 |
CN111090053B (zh) * | 2019-11-29 | 2022-04-22 | 力神(青岛)新能源有限公司 | 一种用于动力电池分档的方法 |
CN111239631A (zh) * | 2020-03-09 | 2020-06-05 | 天津市捷威动力工业有限公司 | 一种锂离子电池自放电识别筛选方法、存储介质、设备 |
CN114421016A (zh) * | 2021-12-16 | 2022-04-29 | 山东天瀚新能源科技有限公司 | 一种圆柱型锂电池化成老化工艺 |
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Application publication date: 20191112 Assignee: Lianyi (Taixing) New Energy Co.,Ltd. Assignor: LIANDONG TIANYI NEW ENERGY Co.,Ltd. Contract record no.: X2023980046575 Denomination of invention: Chemical composition and capacitance method for lithium batteries Granted publication date: 20210910 License type: Common License Record date: 20231113 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Chemical composition and capacitance method for lithium batteries Effective date of registration: 20231130 Granted publication date: 20210910 Pledgee: Yuandong New Energy Co.,Ltd. Pledgor: LIANDONG TIANYI NEW ENERGY Co.,Ltd. Registration number: Y2023980067334 |