JP2021190300A - 燃料電池システム - Google Patents
燃料電池システム Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 108
- 238000010248 power generation Methods 0.000 claims abstract description 96
- 239000007800 oxidant agent Substances 0.000 claims abstract description 24
- 230000001590 oxidative effect Effects 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims description 56
- 238000003487 electrochemical reaction Methods 0.000 claims description 9
- 239000002737 fuel gas Substances 0.000 claims description 4
- 230000006866 deterioration Effects 0.000 abstract description 6
- 239000001257 hydrogen Substances 0.000 description 60
- 229910052739 hydrogen Inorganic materials 0.000 description 60
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 56
- 238000000034 method Methods 0.000 description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 22
- 239000001301 oxygen Substances 0.000 description 22
- 229910052760 oxygen Inorganic materials 0.000 description 22
- 230000008569 process Effects 0.000 description 22
- 239000007788 liquid Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000010926 purge Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000001052 transient effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000007562 laser obscuration time method Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- H01M8/04746—Pressure; Flow
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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Abstract
Description
アノード電極 : 2H2→4H++4e− …(1)
カソード電極 : 4H++4e−+O2 →2H2O …(2)
53 バッテリ(二次電池)
100 燃料電池システム
200 電子制御ユニット(制御装置)
Claims (6)
- 燃料ガスと酸化剤ガスとの電気化学反応により電力を発生する燃料電池と、
前記燃料電池の発電時における余剰電力を充電すると共に不足電力を放電する二次電池と、
制御装置と、
を備える燃料電池システムであって、
前記制御装置は、
前記燃料電池に供給する前記酸化剤ガスの供給流量を制御する供給流量制御部と、
通常発電と比べて発電損失の大きい低効率発電を実施する発電実施部と、
を備え、
前記供給流量制御部は、
前記低効率発電の実施中において、前記燃料電池システムが搭載される搭載体の状態が第1モードであるときは、前記発電損失に伴う前記燃料電池の発熱量が第1発熱量となるように、前記酸化剤ガスの供給流量を制御し、
前記低効率発電の実施中において、前記搭載体の状態が前記第1モードと比べて前記燃料電池の発電電力が変動しやすい第2モードであるときは、前記発熱量が第1発熱量よりも小さい第2発熱量となるように、前記酸化剤ガスの供給流量を制御する、
燃料電池システム。 - 前記供給流量制御部は、
前記二次電池の状態に基づいて定まる前記二次電池の許容充電電力又は許容放電電力の少なくとも一方に基づいて、前記第2モード中の前記発熱量が第2発熱量よりも小さい第3発熱量となるように、前記酸化剤ガスの供給流量を制御する、
請求項1に記載の燃料電池システム。 - 前記供給流量制御部は、
前記許容充電電力が所定の充電側閾値未満であれば、前記第2モード中の前記発熱量が前記第3発熱量となるように、前記酸化剤ガスの供給流量を制御する、
請求項2に記載の燃料電池システム。 - 前記供給流量制御部は、
前記許容放電電力が所定の放電側閾値未満であれば、前記第2モード中の前記発熱量が前記第3発熱量となるように、前記酸化剤ガスの供給流量を制御する、
請求項2又は請求項3に記載の燃料電池システム。 - 前記供給流量制御部は、
前記搭載体の状態が前記第2モードであるときは、前記許容充電電力が、所定の第1充電側閾値よりも小さい所定の第2充電側閾値未満であり、又は前記許容放電電力が、所定の第1放電側閾値よりも小さい所定の第2放電側閾値未満であれば、前記発熱量が前記第3発熱量となるように前記酸化剤ガスの供給流量を制御し、前記許容充電電力が、前記第1充電側閾値以上であり、かつ前記許容放電電力が前記第1放電側閾値以上であれば、前記発熱量が前記第2発熱量となるように前記酸化剤ガスの供給流量を制御する、
請求項2に記載の燃料電池システム。 - 前記搭載体は車両であり、
前記第1モードは、前記車両のシフトレンジとしてパーキングレンジが選択されている状態であり、
前記第2モードは、前記シフトレンジとしてドライブレンジ又はリバースレンジが選択されている状態である、
請求項1から請求項5までのいずれか1項に記載の燃料電池システム。
Priority Applications (4)
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JP2006129588A (ja) * | 2004-10-28 | 2006-05-18 | Sanyo Electric Co Ltd | 二次電池の電力制御方法及び電源装置 |
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WO2013128610A1 (ja) * | 2012-03-01 | 2013-09-06 | トヨタ自動車株式会社 | 燃料電池システム |
WO2014155986A1 (ja) * | 2013-03-28 | 2014-10-02 | ソニー株式会社 | 蓄電装置、蓄電システムおよび蓄電装置の制御方法 |
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JP2008103250A (ja) * | 2006-10-20 | 2008-05-01 | Toyota Motor Corp | 燃料電池システム及びその運転方法 |
JP2008108668A (ja) * | 2006-10-27 | 2008-05-08 | Toyota Motor Corp | 燃料電池システム |
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US20210376353A1 (en) | 2021-12-02 |
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