KR20160051965A - 전해액의 확산계수 측정방법 및 측정장치 - Google Patents
전해액의 확산계수 측정방법 및 측정장치 Download PDFInfo
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- KR20160051965A KR20160051965A KR1020140149419A KR20140149419A KR20160051965A KR 20160051965 A KR20160051965 A KR 20160051965A KR 1020140149419 A KR1020140149419 A KR 1020140149419A KR 20140149419 A KR20140149419 A KR 20140149419A KR 20160051965 A KR20160051965 A KR 20160051965A
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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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
- H01M10/058—Construction or manufacture
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
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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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- 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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Abstract
본 발명에 따르면, 'W'형태인 휴대용의 대칭셀은 전극간의 직선거리 조절이 가능하여, 전해액의 확산계수 측정시 상기 두 전극간 리튬 이온의 농도 구배를 명확하게 형성시킬 수 있기 때문에, 시간에 따른 전압 프로파일의 변화를 확인할 수 있고, 나아가, 상기 대칭셀은 휴대하기 간편한 크기로 제작되어, 챔버에서 측정이 가능하기 때문에, 다양한 온도에서 전해액의 확산계수를 측정할 수 있다.
Description
도 1은 본 발명의 일 실시예에 따른 방법으로 측정한 대칭셀의 전압 프로파일을 나타낸 그래프이다.
도 2는 본 발명의 비교예에 따른 방법으로 측정한 대칭셀의 전압 프로파일을 나타낸 그래프이다.
Claims (7)
- (S1) 양 끝단에 전극이 각각 형성되며, 상기 전극들 간의 직선거리 조절이 가능한 'W'형태인 휴대용의 대칭셀(symmetric cell)을 준비하는 단계;
(S2) 상기 두 전극들을 전해액에 침지시키는 단계;
(S3) 상기 대칭셀에 전류를 공급하여, 상기 두 전극간 리튬 이온의 농도 구배를 형성시키는 단계; 및
(S4) 상기 대칭셀에 공급되는 전류를 차단한 후, 시간에 따른 전압 프로파일을 측정하는 단계;를 포함하는 전해액의 확산계수 측정방법. - 제1항에 있어서,
상기 전극들 간의 직선거리가 5 내지 15 cm로 조절되는 것을 특징으로 하는 전해액의 확산계수 측정방법. - 제1항에 있어서,
상기 전극들은 각각 리튬 금속으로 이루어진 것을 특징으로 하는 전해액의 확산계수 측정방법. - 제1항에 있어서,
상기 (S3) 단계에서, 상기 대칭셀에 공급하는 전류는 0.01 내지 0.3 mAh/cm2인 것을 특징으로 하는 전해액의 확산계수 측정방법. - 양 끝단에 전극이 각각 형성되며, 상기 전극들 간의 직선거리 조절이 가능한 'W'형태인 휴대용의 대칭셀(symmetric cell);
상기 두 전극들을 침지시키는 전해액을 수용하는 챔버;
상기 대칭셀에 전류를 공급하는 전류 공급 수단; 및
상기 대칭셀의 전압을 측정하는 전압 측정 수단;을 포함하는 전해액의 확산계수 측정장치. - 제5항에 있어서,
상기 전극들 간의 직선거리가 5 내지 15 cm로 조절되는 것을 특징으로 하는 전해액의 확산계수 측정장치. - 제5항에 있어서,
상기 전극들은 각각 리튬 금속으로 이루어진 것을 특징으로 하는 전해액의 확산계수 측정장치.
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| KR1020140149419A KR101756389B1 (ko) | 2014-10-30 | 2014-10-30 | 전해액의 확산계수 측정방법 및 측정장치 |
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| KR1020140149419A KR101756389B1 (ko) | 2014-10-30 | 2014-10-30 | 전해액의 확산계수 측정방법 및 측정장치 |
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| KR20160051965A true KR20160051965A (ko) | 2016-05-12 |
| KR101756389B1 KR101756389B1 (ko) | 2017-07-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113016099A (zh) * | 2018-10-26 | 2021-06-22 | 日本汽车能源株式会社 | 电池控制装置 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113016099A (zh) * | 2018-10-26 | 2021-06-22 | 日本汽车能源株式会社 | 电池控制装置 |
| CN113016099B (zh) * | 2018-10-26 | 2024-02-06 | 日本汽车能源株式会社 | 电池控制装置 |
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| KR101756389B1 (ko) | 2017-07-11 |
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