JP2014207061A - 燃料電池システム及びその制御方法 - Google Patents
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Abstract
Description
14…燃料ガス供給装置 16…酸化剤ガス供給装置
18…水供給装置 20…電力変換装置
22…制御装置 24…筐体
26…燃料電池 28…燃料電池スタック
34…改質器 36…蒸発器
38…熱交換器 40…排ガス燃焼器
42…起動用燃焼器 44…原燃料通路
50…燃料ポンプ 56…脱硫器
58…原燃料分岐通路 60…空気供給管
66…空気ポンプ 68…空気分岐通路
72…凝縮水タンク 76a…水通路
78、200…イオン交換装置 80…純水ポンプ
96…給湯ポンプ 112、114…流体供給部
116…電装部 124…空気流通口
126…空気導入口 128…空気排出口
142…装置本体 144…下部蓋本体
146…上部蓋本体 148a…下部フィルタ
148b…上部フィルタ 150…イオン交換樹脂
152a…水導入口 152b…水排出口
154a、154b…封止弁 156、202…空気収容部
158、204…接続口 160…閉塞キャップ
164…電気導電率計 166…空気排出配管
167…ドレイン排出配管 194…導電率比較部
196…イオン交換環境判定部 196a…空気混入判定部
196b…効率低下判定部 196c…発電継続判定部
198…発電停止部 206…取り付け孔部
Claims (12)
- 燃料ガスと酸化剤ガスとの電気化学反応により発電する燃料電池が複数積層された燃料電池スタックと、
前記燃料電池から排出される排ガスに含まれる水を通すためのイオン交換装置と、
前記イオン交換装置の内部の前記水の電気伝導率を計測する導電率計測部と、
前記燃料電池スタックの発電量を制御する制御装置と、
を備える燃料電池システムであって、
前記制御装置は、前記導電率計測部で計測された前記電気伝導率と予め設定された電気伝導率範囲とを比較する導電率比較部と、
前記導電率比較部による比較結果に基づいて、前記イオン交換装置の内部に空気が混入しているか否かの判定、及び前記イオン交換装置のイオン交換効率が低下しているか否かの判定を任意に行うイオン交換環境判定部と、
を備えることを特徴とする燃料電池システム。 - 請求項1記載の燃料電池システムにおいて、前記イオン交換環境判定部により、前記イオン交換装置の内部に空気が混入していると判定された際、又は、前記イオン交換装置の効率が低下していると判定された際、前記燃料電池スタックの発電を停止させる発電停止部を備えることを特徴とする燃料電池システム。
- 請求項1又は2記載の燃料電池システムにおいて、前記イオン交換環境判定部は、計測された前記電気伝導率が、予め設定された電気伝導率範囲の下限値未満であることが検出された際、前記イオン交換装置の内部に空気が混入していると判定する空気混入判定部を有することを特徴とする燃料電池システム。
- 請求項1〜3のいずれか1項に記載の燃料電池システムにおいて、前記イオン交換環境判定部は、計測された前記電気伝導率が、予め設定された電気伝導率範囲の上限値を超過したことが検出された際、前記イオン交換装置のイオン交換効率が低下していると判定する効率低下判定部を有することを特徴とする燃料電池システム。
- 請求項1〜4のいずれか1項に記載の燃料電池システムにおいて、前記イオン交換環境判定部は、計測された前記電気伝導率が、予め設定された電気伝導率範囲内であることが検出された際、前記燃料電池スタックの発電を継続させる発電継続判定部を有することを特徴とする燃料電池システム。
- 請求項1〜5のいずれか1項に記載の燃料電池システムにおいて、前記イオン交換装置は、少なくとも水蒸気改質に用いられる水に含まれる不純物を除去するために、固体酸化物形燃料電池に適用されることを特徴とする燃料電池システム。
- 燃料ガスと酸化剤ガスとの電気化学反応により発電する燃料電池が複数積層された燃料電池スタックと、
前記燃料電池から排出される排ガスに含まれる水を通すためのイオン交換装置と、
前記イオン交換装置の内部の前記水の電気伝導率を計測する導電率計測部と、
前記燃料電池スタックの発電量を制御する制御装置と、
を備える燃料電池システムの制御方法であって、
前記導電率計測部で計測された前記電気伝導率と予め設定された電気伝導率範囲とを比較する導電率比較工程と、
導電率比較部による比較結果に基づいて、前記イオン交換装置の内部に空気が混入しているか否かの判定、及び前記イオン交換装置のイオン交換効率が低下しているか否かの判定を任意に行うイオン交換環境判定工程と、
を有することを特徴とする燃料電池システムの制御方法。 - 請求項7記載の制御方法において、前記イオン交換装置の内部に空気が混入していると判定された際、又は、前記イオン交換装置の効率が低下していると判定された際、前記燃料電池スタックの発電を停止させる発電停止工程を有することを特徴とする燃料電池システムの制御方法。
- 請求項7記載の制御方法において、計測された前記電気伝導率が、予め設定された電気伝導率範囲の下限値未満であることが検出された際、前記イオン交換装置の内部に空気が混入していると判定することを特徴とする燃料電池システムの制御方法。
- 請求項7記載の制御方法において、計測された前記電気伝導率が、予め設定された電気伝導率範囲の上限値を超過したことが検出された際、前記イオン交換装置のイオン交換効率が低下していると判定することを特徴とする燃料電池システムの制御方法。
- 請求項7記載の制御方法において、計測された前記電気伝導率が、予め設定された電気伝導率範囲内であることが検出された際、前記燃料電池スタックの発電を継続させることを特徴とする燃料電池システムの制御方法。
- 請求項7〜11のいずれか1項に記載の制御方法において、前記イオン交換装置は、少なくとも水蒸気改質に用いられる水に含まれる不純物を除去するために、固体酸化物形燃料電池に適用されることを特徴とする燃料電池システムの制御方法。
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JP2013082461A JP6100066B2 (ja) | 2013-04-10 | 2013-04-10 | 燃料電池システム及びその制御方法 |
US14/782,503 US9660282B2 (en) | 2013-04-10 | 2014-02-20 | Fuel cell system and method of controlling the fuel cell system |
PCT/JP2014/054781 WO2014167907A1 (en) | 2013-04-10 | 2014-02-20 | Fuel cell system and method of controlling the fuel cell system |
EP14709760.4A EP2984694B1 (en) | 2013-04-10 | 2014-02-20 | Fuel cell system and method of controlling the fuel cell system |
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JP2016137419A (ja) * | 2015-01-26 | 2016-08-04 | 本田技研工業株式会社 | 脱硫器及びこれを組み込む燃料電池システム |
JP2016207342A (ja) * | 2015-04-17 | 2016-12-08 | 本田技研工業株式会社 | 燃料電池モジュール |
WO2017104210A1 (ja) * | 2015-12-15 | 2017-06-22 | 日産自動車株式会社 | 燃料電池システム及びその制御方法 |
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JP7327365B2 (ja) | 2020-11-30 | 2023-08-16 | トヨタ自動車株式会社 | 燃料電池モジュール |
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JP6834674B2 (ja) * | 2017-03-27 | 2021-02-24 | トヨタ自動車株式会社 | 燃料電池ユニット |
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JP7327365B2 (ja) | 2020-11-30 | 2023-08-16 | トヨタ自動車株式会社 | 燃料電池モジュール |
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US20160064756A1 (en) | 2016-03-03 |
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US9660282B2 (en) | 2017-05-23 |
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JP6100066B2 (ja) | 2017-03-22 |
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