JPWO2013027634A1 - 燃料電池の発電特性推定装置 - Google Patents
燃料電池の発電特性推定装置 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 131
- 238000010248 power generation Methods 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 23
- 239000007789 gas Substances 0.000 description 23
- 239000000498 cooling water Substances 0.000 description 13
- 230000001105 regulatory effect Effects 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000003792 electrolyte Substances 0.000 description 8
- 239000012528 membrane Substances 0.000 description 8
- 238000012886 linear function Methods 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 7
- 238000010926 purge Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
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- H01M8/04537—Electric variables
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- 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
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Abstract
Description
図1は、本発明による燃料電池の発電特性推定装置を適用するシステムの一例を示す図である。
図9は、本発明による燃料電池の発電特性推定装置の第2実施形態の基準電圧設定ルーチンについて説明する図である。
図10は、本発明による燃料電池の発電特性推定装置の第3実施形態の基準電圧設定ルーチンについて説明する図である。
図12は、本発明による燃料電池の発電特性推定装置の第4実施形態の燃料電池の発電特性を推定について説明する図である。
Claims (9)
- 燃料電池の基準発電特性を設定する基準特性設定部と、
燃料電池の実電流を検出する電流検出部と、
燃料電池の実電圧を検出する電圧検出部と、
前記実電流における、基準発電特性上の電圧と実電圧との電圧差に基づいて燃料電池の実際の発電特性を推定する特性推定部と、
を含み、
前記特性推定部は、燃料電池の暖機運転中は燃料電池に供給するガスの圧力が所定値以上のときに、発電特性の推定を実施する、
燃料電池の発電特性推定装置。 - 請求項1に記載の燃料電池の発電特性推定装置において、
前記特性推定部は、前記所定圧力での実電流における、基準発電特性上の電圧と実電圧との電圧差の少なくとも2つのデータに基づいて実電流及び電圧差の相関を推定し、その推定した相関及び燃料電池の基準発電特性に基づいて、燃料電池の発電特性を推定する、
燃料電池の発電特性推定装置。 - 請求項1又は請求項2に記載の燃料電池の発電特性推定装置において、
零下において、燃料電池から走行モーターへの電力供給を禁止する禁止部と、
燃料電池の補機への電力供給によって暖機を実施すると共に、燃料電池に供給するガスの圧力を暖機後の運転中の最大圧力に制御する、暖機運転部と、
を備える燃料電池の発電特性推定装置。 - 請求項3に記載の発電特性推定装置において、
前記発電特性推定部による発電特性の推定に基づいて走行モーターへの電力供給を許可する走行許可部をさらに含み、
前記暖機運転部は、走行許可後も前記最大圧力での暖機運転を継続する、
燃料電池の発電特性推定装置。 - 請求項1に記載の燃料電池の発電特性推定装置において、
燃料電池の内部抵抗を検出する抵抗検出部をさらに含み、
前記特性推定部は、前記実電流、前記電圧差及び前記内部抵抗に基づいて実電流及び電圧差の相関を推定し、その推定した相関及び燃料電池の基準発電特性に基づいて、燃料電池の発電特性を推定する、
燃料電池の発電特性推定装置。 - 請求項1から請求項5までのいずれか1項に記載の発電特性推定装置において、
前記基準特性設定部は、予め定められた所定温度であるときの燃料電池の基準発電特性に基づいて基準発電特性上の電圧を設定する、
燃料電池の発電特性推定装置。 - 請求項1から請求項5までのいずれか1項に記載の発電特性推定装置において、
燃料電池の発電特性の推定処理を開始するときの内部抵抗に基づいて、燃料電池の運転許可温度を演算する許可温度演算部をさらに含み、
前記基準特性設定部は、前記運転許可温度に基づいて基準発電特性上の電圧を設定する、
燃料電池の発電特性推定装置。 - 燃料電池の基準発電特性を設定する基準特性設定部と、
燃料電池の実電圧を検出する電圧検出部と、
燃料電池の実電流を検出する電流検出部と、
前記実電圧における、基準発電特性上の電流と実電流との電流差に基づいて燃料電池の実際の発電特性を推定する特性推定部と、
を含み、
前記特性推定部は、燃料電池の暖機運転中は燃料電池に供給するガスの圧力が所定値以上のときに、発電特性の推定を実施する、
燃料電池の発電特性推定装置。 - 請求項1から請求項8までのいずれか1項に記載の発電特性推定装置において、
前記燃料電池が運転を停止するときに内部を乾燥させる乾燥制御部をさらに備える、
燃料電池の発電特性推定装置。
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EP2988353B1 (en) * | 2013-04-16 | 2018-03-14 | Nissan Motor Co., Ltd | Fuel-cell system and method for controlling fuel-cell system |
JP6090052B2 (ja) * | 2013-08-09 | 2017-03-08 | 日産自動車株式会社 | 燃料電池システム |
JP6237067B2 (ja) * | 2013-09-30 | 2017-11-29 | 日産自動車株式会社 | 燃料電池システム |
US9780397B2 (en) | 2013-10-01 | 2017-10-03 | Nissan Motor Co., Ltd. | Fuel cell system |
JP6156041B2 (ja) * | 2013-10-08 | 2017-07-05 | 日産自動車株式会社 | 燃料電池システム |
CN105594046B (zh) * | 2013-10-08 | 2018-06-22 | 日产自动车株式会社 | 燃料电池***以及燃料电池***的控制方法 |
JP6292405B2 (ja) | 2014-11-14 | 2018-03-14 | 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運転制御方法 |
CN116344868B (zh) * | 2023-03-31 | 2024-01-16 | 上海氢晨新能源科技有限公司 | 一种电堆水含量的调控方法及其应用 |
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EP2750230A4 (en) | 2015-02-25 |
US20140205923A1 (en) | 2014-07-24 |
US9685669B2 (en) | 2017-06-20 |
US9983268B2 (en) | 2018-05-29 |
JP5835331B2 (ja) | 2015-12-24 |
WO2013027634A1 (ja) | 2013-02-28 |
CA2845694C (en) | 2018-09-04 |
CN103765648B (zh) | 2016-06-08 |
CA2845694A1 (en) | 2013-02-28 |
CN103765648A (zh) | 2014-04-30 |
US20170248657A1 (en) | 2017-08-31 |
EP2750230B1 (en) | 2019-02-27 |
EP2750230A1 (en) | 2014-07-02 |
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