KR100985164B1 - 연료전지 시스템 및 연료전지 시스템의 운전방법 - Google Patents
연료전지 시스템 및 연료전지 시스템의 운전방법 Download PDFInfo
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- KR100985164B1 KR100985164B1 KR1020087006505A KR20087006505A KR100985164B1 KR 100985164 B1 KR100985164 B1 KR 100985164B1 KR 1020087006505 A KR1020087006505 A KR 1020087006505A KR 20087006505 A KR20087006505 A KR 20087006505A KR 100985164 B1 KR100985164 B1 KR 100985164B1
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- 239000007789 gas Substances 0.000 claims description 53
- 239000002737 fuel gas Substances 0.000 claims description 28
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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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04126—Humidifying
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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
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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
- H01M8/0438—Pressure; Ambient pressure; Flow
- H01M8/04388—Pressure; Ambient pressure; Flow of anode reactants at the inlet or inside the fuel cell
-
- 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
- H01M8/04544—Voltage
- H01M8/04552—Voltage of the individual fuel cell
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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
- H01M8/04634—Other electric variables, e.g. resistance or impedance
- H01M8/04641—Other electric variables, e.g. resistance or impedance of the individual fuel cell
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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
- H01M8/04664—Failure or abnormal function
- H01M8/04679—Failure or abnormal function of fuel cell stacks
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- 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
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
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- H01M2008/1095—Fuel cells with polymeric electrolytes
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- H01M8/00—Fuel cells; Manufacture thereof
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- H01M8/04291—Arrangements for managing water in solid electrolyte fuel cell systems
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- 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
- H01M8/0432—Temperature; Ambient temperature
- H01M8/04365—Temperature; Ambient temperature of other components of a fuel cell or fuel cell stacks
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- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
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- H01M8/04828—Humidity; Water content
- H01M8/0485—Humidity; Water content of the electrolyte
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
Description
Claims (14)
- 고체 고분자형 연료전지를 구비하는 연료전지 시스템에 있어서,상기 연료전지에 대하여 일정한 주파수 및 진폭으로 교류전기 성분을 인가하는 교류성분 발생부와,상기 연료전지를 구성하는 단셀에서의 출력전압으로부터 상기 교류전기에 기인하는 교류전압 성분을 분리하여, 경시적으로 상기 교류성분의 전압값을 취득하는 교류전압 취득부와,상기 연료전지가 습윤 과잉인지의 여부를 판정하는 습윤 과잉 판정부에 있어서, 상기 교류전압 취득부에 의해 경시적으로 취득된 상기 교류성분의 전압값의 불균일의 크기를 나타내는 통계값을 구하고, 상기 불균일의 크기를 나타내는 통계값이 기준값을 넘을 경우에, 상기 연료전지가 습윤 과잉이라고 판정하는 습윤 과잉 판정부를 구비하는 것을 특징으로 하는 연료전지 시스템.
- 제 1항에 있어서,상기 연료전지가 습윤 경향에 있는지의 여부를 판정하는 습윤 상태 판정부를 구비하고,상기 습윤 과잉 판정부는, 상기 습윤 상태 판정부에서 상기 연료전지가 습윤 경향에 있다고 판정되었을 경우에 상기 연료전지가 습윤 과잉인지의 여부를 판정하는 것을 특징으로 하는 연료전지 시스템.
- 제 2항에 있어서,상기 습윤상태 판정부는, 경시적으로 취득된 상기 교류성분의 전압에 관한 값에 대해 평균화처리를 행하여 평균화값을 생성함과 동시에, 상기 평균화값이 기준값보다도 작을 때에, 상기 연료전지가 습윤 경향에 있다고 판정하는 것을 특징으로 하는 연료전지 시스템.
- 제 2항에 있어서,상기 습윤상태 판정부는, 경시적으로 취득된 상기 교류성분의 전압에 관한 값에 대해 평균화처리를 행하여 평균화값을 점차 생성하고, 점차 생성된 상기 평균화값 중, 가장 빈도가 높은 최빈 평균화값을 구하고, 상기 최빈 평균화값이 기준값보다도 작을 때에, 상기 연료전지가 습윤 경향에 있다고 판정하는 것을 특징으로 하는 연료전지 시스템.
- 제 3항 또는 제 4항에 있어서,상기 습윤상태 판정부는, 경시적으로 취득된 상기 교류성분의 전압값과 상기 교류전류의 전류값으로부터, 상기 단셀에서의 저항값을 경시적으로 도출함과 동시에, 상기 전압에 관한 값에 대한 평균화처리로서, 상기 저항값에 대한 평균화처리를 행하고, 상기 평균화값을 생성하는 것을 특징으로 하는 연료전지 시스템.
- 제 2항에 있어서,상기 연료전지 시스템은, 상기 연료전지의 내부 온도를 검출하기 위한 온도센서를 더 구비하고,상기 습윤상태 판정부는, 상기 온도센서에 의해 검출된 상기 연료전지의 내부 온도가 기준 온도보다도 낮은 경우에 상기 연료전지가 습윤 경향에 있다고 판정하는 것을 특징으로 하는 연료전지 시스템.
- 삭제
- 제 2항에 있어서,상기 습윤상태 판정부는, 상기 연료전지에 대하여 공급되는 가스 유량이 기설정된 양 이하인 경우에 상기 연료전지가 습윤 경향에 있다고 판정하는 것을 특징으로 하는 연료전지 시스템.
- 제 2항에 있어서,상기 습윤 과잉 판정부는, 경시적으로 취득된 상기 교류성분의 전압값과 상기 교류전류의 전류값으로부터, 상기 단셀에서의 저항값을 경시적으로 도출함과 동시에, 상기 전압값의 불균일의 크기를 나타내는 통계값으로서, 상기 저항값의 불균일의 크기를 나타내는 통계값을 구하는 것을 특징으로 하는 연료전지 시스템.
- 제 2항 내지 제 4항, 제 6항, 제 8항 중 어느 한 항에 있어서,상기 연료전지가 습윤 과잉이라고 판정된 경우에, 플로딩을 회피하기 위한 플로딩 회피처리를 실행하는 플로딩 회피처리 실행부를 구비하는 것을 특징으로 하는 연료전지 시스템.
- 제 10항에 있어서,상기 플로딩 회피처리는, 상기 연료전지 시스템이 전력을 공급하는 부하에서의 부하 요구에 의거하여 결정되는 산화가스 유량 및 산화가스압을 증대시킴으로써 실행되는 것을 특징으로 하는 연료전지 시스템.
- 제 10항에 있어서,상기 플로딩 회피처리는, 상기 연료전지 시스템이 전력을 공급하는 부하에서의 부하 요구에 의거하여 결정되는 연료가스 유량 및 연료가스압을 증대시킴으로써 실행되는 것을 특징으로 하는 연료전지 시스템.
- 고체 고분자형 연료전지를 구비하는 연료전지 시스템에서의 습윤 과잉 판정 방법에 있어서,상기 연료전지에 대하여 일정한 주파수 및 진폭으로 교류전기 성분을 인가하고,상기 연료전지를 구성하는 단셀에서의 출력전압으로부터 상기 교류전기 성분에 기인하는 교류전압 성분을 분리하여, 경시적으로 상기 교류성분의 전압값을 취득하고,경시적으로 취득된 상기 교류성분의 전압값의 불균일의 크기를 나타내는 통계값을 구하고, 상기 불균일의 크기를 나타내는 통계값이 기준값을 넘을 경우에, 상기 연료전지가 습윤 과잉이라고 판정하는 것을 구비하는 것을 특징으로 하는 습윤 과잉 판정방법.
- 제 13항에 있어서,상기 연료전지가 습윤 경향에 있는지의 여부를 판정하고,상기 연료전지가 상기 습윤 경향에 있다고 판정되었을 때에, 상기 연료전지가 습윤 과잉인지의 여부의 판정이 실행되는 것을 특징으로 하는 습윤 과잉 판정방법.
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JPJP-P-2005-00237489 | 2005-08-18 | ||
JP2005237489A JP4892888B2 (ja) | 2005-08-18 | 2005-08-18 | 燃料電池システムおよび燃料電池システムの運転方法 |
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KR20080036649A KR20080036649A (ko) | 2008-04-28 |
KR100985164B1 true KR100985164B1 (ko) | 2010-10-05 |
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KR1020087006505A KR100985164B1 (ko) | 2005-08-18 | 2006-08-04 | 연료전지 시스템 및 연료전지 시스템의 운전방법 |
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US (1) | US20090286109A1 (ko) |
JP (1) | JP4892888B2 (ko) |
KR (1) | KR100985164B1 (ko) |
CN (1) | CN101243571B (ko) |
DE (1) | DE112006002187T5 (ko) |
WO (1) | WO2007020882A1 (ko) |
Families Citing this family (19)
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JP5217147B2 (ja) * | 2006-10-18 | 2013-06-19 | トヨタ自動車株式会社 | 燃料電池システムおよびその膜含水量調節方法 |
JP5157163B2 (ja) * | 2006-12-27 | 2013-03-06 | トヨタ自動車株式会社 | 燃料電池システム及び燃料電池システム搭載移動体 |
JP5187481B2 (ja) * | 2007-05-22 | 2013-04-24 | トヨタ自動車株式会社 | 燃料電池システム |
JP5267835B2 (ja) * | 2007-06-25 | 2013-08-21 | トヨタ自動車株式会社 | 燃料電池システム及び燃料電池システムのインピーダンス測定方法 |
CN102612778B (zh) * | 2009-11-18 | 2017-06-23 | 丰田自动车株式会社 | 判定燃料电池的单电池水分量的状态的方法及其装置、控制燃料电池的单电池水分量的状态的方法及其装置、以及燃料电池系统 |
CN102148386A (zh) * | 2010-02-04 | 2011-08-10 | 扬光绿能股份有限公司 | 燃料电池系统及其燃料产生反应控制方法与计算机 |
KR101090705B1 (ko) | 2010-11-25 | 2011-12-08 | 강남대학교 산학협력단 | 연료전지 스택의 상태 진단 방법 |
DE102011087802A1 (de) * | 2011-12-06 | 2013-06-06 | Robert Bosch Gmbh | Brennstoffzellensystem und Verfahren zum Betrieb desselben |
CA2887800C (en) * | 2012-10-09 | 2016-07-05 | Nissan Motor Co., Ltd. | Impedance measuring device for laminated battery |
JP6314799B2 (ja) | 2014-11-13 | 2018-04-25 | トヨタ自動車株式会社 | 燃料電池システム及び燃料電池の制御方法 |
FR3030900A1 (fr) * | 2014-12-19 | 2016-06-24 | Michelin & Cie | Systeme de mesure de l'hygrometrie d'une membrane echangeuse d'ions dans une pile a combustible |
KR101702224B1 (ko) * | 2015-06-23 | 2017-02-03 | 강남대학교 산학협력단 | 스펙트럼을 이용한 연료전지 스택의 상태 진단 장치 및 그 방법 |
JP6455363B2 (ja) * | 2015-08-27 | 2019-01-23 | 株式会社Soken | 診断装置 |
JP6508351B2 (ja) * | 2015-10-05 | 2019-05-08 | 日産自動車株式会社 | 燃料電池の状態判定方法及び状態判定装置 |
KR101918365B1 (ko) | 2016-12-10 | 2018-11-14 | 현대자동차주식회사 | 연료전지 차량 제어시스템 및 제어방법 |
KR102667347B1 (ko) * | 2016-12-27 | 2024-05-21 | 현대자동차주식회사 | 연료전지 시스템 및 그 제어방법 |
CN114976143B (zh) * | 2022-06-29 | 2023-06-16 | 北京亿华通科技股份有限公司 | 燃料电池系统控制方法、装置、电子设备及存储介质 |
DE102022209931A1 (de) * | 2022-09-21 | 2024-03-21 | Robert Bosch Gesellschaft mit beschränkter Haftung | Diagnoseverfahren zur Diagnose eines Zustands einer elektrochemischen Zelle eines elektrochemischen Energiewandlers |
DE102022213889A1 (de) * | 2022-12-19 | 2024-06-20 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zum Bestimmen einer Regenerationsmaßnahme in einem Brennstoffzellenstapel |
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- 2005-08-18 JP JP2005237489A patent/JP4892888B2/ja not_active Expired - Fee Related
-
2006
- 2006-08-04 CN CN2006800300531A patent/CN101243571B/zh not_active Expired - Fee Related
- 2006-08-04 KR KR1020087006505A patent/KR100985164B1/ko not_active IP Right Cessation
- 2006-08-04 DE DE112006002187T patent/DE112006002187T5/de not_active Withdrawn
- 2006-08-04 US US11/990,388 patent/US20090286109A1/en not_active Abandoned
- 2006-08-04 WO PCT/JP2006/315900 patent/WO2007020882A1/ja active Application Filing
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JP2003086220A (ja) | 2001-09-12 | 2003-03-20 | Denso Corp | 燃料電池システム |
JP2005032587A (ja) | 2003-07-07 | 2005-02-03 | Denso Corp | 燃料電池システム |
JP2005108673A (ja) | 2003-09-30 | 2005-04-21 | Toyota Motor Corp | 燃料電池システム |
Also Published As
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JP4892888B2 (ja) | 2012-03-07 |
CN101243571A (zh) | 2008-08-13 |
US20090286109A1 (en) | 2009-11-19 |
WO2007020882A1 (ja) | 2007-02-22 |
CN101243571B (zh) | 2011-10-05 |
DE112006002187T5 (de) | 2008-06-12 |
KR20080036649A (ko) | 2008-04-28 |
JP2007053013A (ja) | 2007-03-01 |
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