JP2019087468A - 燃料電池システム及びその制御方法 - Google Patents
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- 239000000446 fuel Substances 0.000 title claims abstract description 138
- 238000000034 method Methods 0.000 title claims description 14
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 78
- 239000003054 catalyst Substances 0.000 abstract description 5
- 230000006866 deterioration Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 6
- 238000010926 purge Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000003487 electrochemical reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000004043 responsiveness Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- H—ELECTRICITY
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- 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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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
- H01M8/04111—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
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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
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04228—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during shut-down
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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
- H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
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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
- H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
- H01M8/04303—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during shut-down
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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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
- H01M8/04313—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
- H01M8/04559—Voltage of fuel cell stacks
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- H—ELECTRICITY
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- 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
- H01M8/04746—Pressure; Flow
- H01M8/04776—Pressure; Flow at auxiliary devices, e.g. reformer, compressor, burner
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- 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
- H01M8/04925—Power, energy, capacity or load
- H01M8/04947—Power, energy, capacity or load of auxiliary devices, e.g. batteries, capacitors
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- 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
- 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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Abstract
Description
図1は、本発明の一実施形態である燃料電池システム10を示す概略図である。燃料電池システム10は、例えば、燃料電池車両に搭載される。本実施形態において、燃料電池システム10は、燃料電池スタック100と、制御部20と、エアフローメータ32と、コンプレッサ34と、カソードガス流路60と、アノードガス流路80と、を備える。
第2実施形態は、第1実施形態と比較して、供給期間P1から停止期間P2に切り替わるとき、制御部20は、コンプレッサ34の駆動を停止させる際に発生する回生電力を二次電池92に充電する構成である点が異なるが、その他は同じである。第2実施形態によれば、回生電力を充電することにより、燃費を向上できる。
図4は、第3実施形態におけるカソードガス間欠供給制御のフローチャートである。第3実施形態は、第1実施形態と比較して、工程S150と工程S160とを備える点で異なるが、その他は同じである。
20…制御部
21…ECU
32…エアフローメータ
34…コンプレッサ
36…シャット弁
37…調圧弁
38…バイパス弁
44…圧力計
60…カソードガス流路
62…カソードガス供給流路
64…カソードガス排出流路
66…バイパス流路
80…アノードガス流路
90…DC/DCコンバータ
91…電圧検出部
92…二次電池
100…燃料電池スタック
100a…アノード
100c…カソード
P1…供給期間
P2…停止期間
Claims (5)
- 燃料電池システムであって、
燃料電池スタックと、
前記燃料電池スタックへカソードガスを供給するコンプレッサと、
前記コンプレッサを含む前記燃料電池システムの構成部品を制御する制御部と、を備え、
前記制御部は、前記燃料電池スタックへの電力の出力要求がない場合に、前記コンプレッサにより前記カソードガスを供給する供給期間と、前記カソードガスの供給を停止する停止期間とを、交互に切り替え、
前記供給期間は、前記停止期間よりも長く、
前記供給期間において前記コンプレッサにより供給される前記カソードガスの流量は、前記燃料電池スタックへの電力の出力要求がある場合における流量よりも小さい、燃料電池システム。 - 請求項1に記載の燃料電池システムであって、さらに、
二次電池を備え、
前記制御部は、前記供給期間から前記停止期間に切り替わるとき、前記コンプレッサの駆動を停止させる際に発生する回生電力を、前記二次電池へ充電する、燃料電池システム。 - 請求項1または請求項2に記載の燃料電池システムであって、さらに、
前記燃料電池スタックの電圧を検出する電圧検出部を備え、
前記制御部は、前記燃料電池スタックの電圧が予め定められた電圧よりも小さい場合に、前記コンプレッサにより前記カソードガスを供給させ、前記燃料電池スタックの電圧が前記予め定められた電圧よりも大きい場合に、前記カソードガスの供給を停止させる、燃料電池システム。 - 請求項1から請求項3のいずれか一項に記載の燃料電池システムであって、
前記コンプレッサは、ターボエアコンプレッサである、燃料電池システム。 - 燃料電池スタックと、前記燃料電池スタックへカソードガスを供給するコンプレッサと、を備える燃料電池システムの制御方法であって、
前記燃料電池スタックへの電力の出力要求がない場合に、前記コンプレッサにより前記カソードガスを供給する供給期間と、前記カソードガスの供給を停止する停止期間とを、交互に切り替え、
前記供給期間を、前記停止期間よりも長く、
前記供給期間において前記コンプレッサにより供給される前記カソードガスの流量を、前記燃料電池スタックへの電力の出力要求がある場合における流量よりも小さくする、燃料電池システムの制御方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017216002A JP6992420B2 (ja) | 2017-11-09 | 2017-11-09 | 燃料電池システム及びその制御方法 |
US16/142,624 US10693160B2 (en) | 2017-11-09 | 2018-09-26 | Fuel cell system and method of controlling the same |
EP18197735.6A EP3483969A1 (en) | 2017-11-09 | 2018-09-28 | Fuel cell system and method of controlling the same |
RU2018134961A RU2692475C1 (ru) | 2017-11-09 | 2018-10-04 | Система топливных элементов и способ управления ею |
KR1020180120975A KR102140528B1 (ko) | 2017-11-09 | 2018-10-11 | 연료 전지 시스템 및 그 제어 방법 |
BR102018071878-9A BR102018071878A2 (pt) | 2017-11-09 | 2018-10-24 | Sistema de célula de combustível e método de controle do mesmo |
CN201811300561.8A CN109768305B (zh) | 2017-11-09 | 2018-11-02 | 燃料电池***和控制燃料电池***的方法 |
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EP (1) | EP3483969A1 (ja) |
JP (1) | JP6992420B2 (ja) |
KR (1) | KR102140528B1 (ja) |
CN (1) | CN109768305B (ja) |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112086670A (zh) * | 2019-06-12 | 2020-12-15 | 丰田自动车株式会社 | 燃料电池*** |
JP2021099965A (ja) * | 2019-12-23 | 2021-07-01 | トヨタ自動車株式会社 | 燃料電池システム |
US11456469B2 (en) | 2020-05-26 | 2022-09-27 | Toyota Jidosha Kabushiki Kaisha | Fuel cell system |
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AT523992B1 (de) * | 2020-07-05 | 2022-06-15 | Avl List Gmbh | Verfahren zur Regelung einer Feuchtigkeit eines PEM-Brennstoffzellensystems eines Kraftfahrzeuges |
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JP2016095933A (ja) * | 2014-11-12 | 2016-05-26 | トヨタ自動車株式会社 | 燃料電池システムおよび燃料電池搭載車両 |
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JP2020202133A (ja) * | 2019-06-12 | 2020-12-17 | 株式会社Soken | 燃料電池システム |
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Also Published As
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CN109768305A (zh) | 2019-05-17 |
RU2692475C1 (ru) | 2019-06-25 |
US10693160B2 (en) | 2020-06-23 |
US20190140294A1 (en) | 2019-05-09 |
JP6992420B2 (ja) | 2022-02-04 |
KR102140528B1 (ko) | 2020-08-03 |
BR102018071878A2 (pt) | 2019-06-04 |
KR20190053087A (ko) | 2019-05-17 |
CN109768305B (zh) | 2022-08-09 |
EP3483969A1 (en) | 2019-05-15 |
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