KR20130017055A - 연료전지의 전극 활성도 측정 방법 - Google Patents
연료전지의 전극 활성도 측정 방법 Download PDFInfo
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- KR20130017055A KR20130017055A KR1020110079316A KR20110079316A KR20130017055A KR 20130017055 A KR20130017055 A KR 20130017055A KR 1020110079316 A KR1020110079316 A KR 1020110079316A KR 20110079316 A KR20110079316 A KR 20110079316A KR 20130017055 A KR20130017055 A KR 20130017055A
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- South Korea
- Prior art keywords
- fuel cell
- voltage
- current
- electrode
- measuring
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04574—Current
- H01M8/04589—Current of fuel cell stacks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04865—Voltage
- H01M8/0488—Voltage of fuel cell stacks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fuel Cell (AREA)
Abstract
Description
도 2와 도 3은 본 발명에 따른 측정 과정에서 얻은 결과 그래프이다.
12 : 분리판 13 : 도전성 치구
21 : 전원장치 22 : 전류측정장치
Claims (4)
- 연료전지 반응이 일어나도록 반응기체인 수소와 공기를 분리판을 통해 연료전지 셀의 애노드와 캐소드에 공급하는 과정;
상기 반응기체의 공급 동안 전원장치로부터 연료전지 셀에 전압을 인가하되, 전압을 단계적으로 변화시켜 인가하는 과정;
상기 각 전압 단계마다 전류측정장치를 이용하여 연료전지 셀에서 발생하는 전류를 측정하는 과정; 및
상기 전원장치에 의해 인가된 전압과 전류측정장치에 의해 측정된 전류로부터 전극 활성도의 기준이 되는 타펠 기울기(Tafel Slope)를 구하는 과정;
을 포함하는 연료전지의 전극 활성도 측정 방법.
- 청구항 1에 있어서,
상기 전압을 인가하는 과정에서 미리 설정된 최대 전압을 인가한 뒤 단계적으로 일정 값만큼 전압을 낮춰가는 방식으로 인가하는 것을 특징으로 하는 연료전지의 전극 활성도 측정 방법.
- 청구항 1에 있어서,
선형 스윕 전압전류법(LSV:Linear Sweep Voltammetry)을 통해 연료전지 셀의 내부 전류를 측정하는 과정; 및
상기 타펠 기울기와 내부 전류로부터 전극 활성도의 또 다른 기준이 되는 교환 전류 밀도를 구하는 과정;
을 더 포함하는 것을 특징으로 하는 연료전지의 전극 활성도 측정 방법.
- 청구항 1에 있어서,
상기 연료전지 셀의 양단 분리판에 접촉되도록 도전성 치구를 결합한 뒤 도전성 치구에 전원장치를 연결하여 전압 인가시 도전성 치구를 통해 전압을 인가하고, 전류 측정시에는 연료전지 셀의 양단 분리판에 전류측정장치를 연결하여 측정하는 것을 특징으로 하는 연료전지의 전극 활성도 측정 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110079316A KR101724730B1 (ko) | 2011-08-09 | 2011-08-09 | 연료전지의 전극 활성도 측정 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020110079316A KR101724730B1 (ko) | 2011-08-09 | 2011-08-09 | 연료전지의 전극 활성도 측정 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20130017055A true KR20130017055A (ko) | 2013-02-19 |
KR101724730B1 KR101724730B1 (ko) | 2017-04-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020110079316A Expired - Fee Related KR101724730B1 (ko) | 2011-08-09 | 2011-08-09 | 연료전지의 전극 활성도 측정 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR101724730B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101879647B1 (ko) * | 2016-09-20 | 2018-07-18 | 주식회사 한컴유니맥스 | 연료전지 관리 시스템 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010061887A (ja) * | 2008-09-02 | 2010-03-18 | Yokogawa Electric Corp | 燃料電池用の電極触媒の性能評価方法および評価装置 |
JP2010198825A (ja) * | 2009-02-24 | 2010-09-09 | Toyota Motor Corp | 燃料電池システム |
-
2011
- 2011-08-09 KR KR1020110079316A patent/KR101724730B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010061887A (ja) * | 2008-09-02 | 2010-03-18 | Yokogawa Electric Corp | 燃料電池用の電極触媒の性能評価方法および評価装置 |
JP2010198825A (ja) * | 2009-02-24 | 2010-09-09 | Toyota Motor Corp | 燃料電池システム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101879647B1 (ko) * | 2016-09-20 | 2018-07-18 | 주식회사 한컴유니맥스 | 연료전지 관리 시스템 |
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Publication number | Publication date |
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KR101724730B1 (ko) | 2017-04-07 |
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