CN111965211A - 一种锂电池电解液锂盐浓度的原位检测装置及方法 - Google Patents
一种锂电池电解液锂盐浓度的原位检测装置及方法 Download PDFInfo
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- CN111965211A CN111965211A CN202010631562.1A CN202010631562A CN111965211A CN 111965211 A CN111965211 A CN 111965211A CN 202010631562 A CN202010631562 A CN 202010631562A CN 111965211 A CN111965211 A CN 111965211A
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- electrolyte
- lithium salt
- battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/301—Reference electrodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/4166—Systems measuring a particular property of an electrolyte
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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
- H01M10/4285—Testing apparatus
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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
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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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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- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
Description
锂盐浓度 | onset温度/℃ | |
Std Cell 1 | 100% | -22.46 |
Std Cell 2 | 98% | -22.21 |
Std Cell 3 | 95% | -21.52 |
Std Cell 4 | 85% | -19.79 |
Std Cell 5 | 80% | -19.07 |
Std Cell 6 | 75% | -18.34 |
Std Cell 7 | 70% | -17.96 |
Claims (6)
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CN202010631562.1A CN111965211A (zh) | 2020-07-03 | 2020-07-03 | 一种锂电池电解液锂盐浓度的原位检测装置及方法 |
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CN202010631562.1A CN111965211A (zh) | 2020-07-03 | 2020-07-03 | 一种锂电池电解液锂盐浓度的原位检测装置及方法 |
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CN202010631562.1A Pending CN111965211A (zh) | 2020-07-03 | 2020-07-03 | 一种锂电池电解液锂盐浓度的原位检测装置及方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113608134A (zh) * | 2021-06-16 | 2021-11-05 | 天津力神电池股份有限公司 | 锂离子电池循环寿命及剩余寿命的预测方法 |
CN114152891A (zh) * | 2021-06-16 | 2022-03-08 | 天津力神电池股份有限公司 | 确定锂离子电池达到一定循环寿命所需电解质含量的估算方法 |
Citations (7)
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CN1621808A (zh) * | 2004-12-10 | 2005-06-01 | 张家港市国泰华荣化工新材料有限公司 | 锂离子电池电解液中锂盐测定方法 |
CN104792901A (zh) * | 2015-05-06 | 2015-07-22 | 哈尔滨工业大学 | 一种锂离子电池电解液溶剂的定量测量方法 |
CN105806981A (zh) * | 2016-05-04 | 2016-07-27 | 广州天赐高新材料股份有限公司 | 锂离子电池电解液中锂盐含量的检测方法 |
CN107408678A (zh) * | 2015-11-30 | 2017-11-28 | 株式会社Lg 化学 | 二次电池用正极活性材料和包含其的二次电池 |
CN109374672A (zh) * | 2018-09-14 | 2019-02-22 | 天津力神电池股份有限公司 | 一种锂电池内部电解液含量的原位检测方法 |
KR20190097651A (ko) * | 2018-02-13 | 2019-08-21 | 주식회사 엘지화학 | 리튬이온전지 전해액의 정량분석방법 |
CN110412102A (zh) * | 2019-06-19 | 2019-11-05 | 天津力神电池股份有限公司 | 一种锂离子电池电解液中添加剂含量的测定方法 |
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2020
- 2020-07-03 CN CN202010631562.1A patent/CN111965211A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1621808A (zh) * | 2004-12-10 | 2005-06-01 | 张家港市国泰华荣化工新材料有限公司 | 锂离子电池电解液中锂盐测定方法 |
CN104792901A (zh) * | 2015-05-06 | 2015-07-22 | 哈尔滨工业大学 | 一种锂离子电池电解液溶剂的定量测量方法 |
CN107408678A (zh) * | 2015-11-30 | 2017-11-28 | 株式会社Lg 化学 | 二次电池用正极活性材料和包含其的二次电池 |
CN105806981A (zh) * | 2016-05-04 | 2016-07-27 | 广州天赐高新材料股份有限公司 | 锂离子电池电解液中锂盐含量的检测方法 |
KR20190097651A (ko) * | 2018-02-13 | 2019-08-21 | 주식회사 엘지화학 | 리튬이온전지 전해액의 정량분석방법 |
CN109374672A (zh) * | 2018-09-14 | 2019-02-22 | 天津力神电池股份有限公司 | 一种锂电池内部电解液含量的原位检测方法 |
CN110412102A (zh) * | 2019-06-19 | 2019-11-05 | 天津力神电池股份有限公司 | 一种锂离子电池电解液中添加剂含量的测定方法 |
Non-Patent Citations (1)
Title |
---|
陈龙,: "全固态锂电池关键材料—固态电解质研究进展", 硅 酸 盐 学 报, pages 21 - 34 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113608134A (zh) * | 2021-06-16 | 2021-11-05 | 天津力神电池股份有限公司 | 锂离子电池循环寿命及剩余寿命的预测方法 |
CN114152891A (zh) * | 2021-06-16 | 2022-03-08 | 天津力神电池股份有限公司 | 确定锂离子电池达到一定循环寿命所需电解质含量的估算方法 |
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