JP2014183052A - 燃料電池を動作させるための方法およびデバイス - Google Patents
燃料電池を動作させるための方法およびデバイス Download PDFInfo
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Abstract
【解決手段】燃料電池と組み合わされた構成要素として例えば酸化剤ガス供給用コンプレッサ10を備えたシステムであり、コンプレッサ10で圧縮された酸化剤ガスを冷却する熱交換器11、熱交換器11を流通する熱媒体がコンプレッサの軸受41、駆動モータ10’の潤滑および/または冷却を行う熱媒体と循環回路を冷却潤滑回路42として共用しており、燃料電池20に供給される酸化剤ガス、燃料ガスが加湿器12によって加湿され、前期熱媒体が水性でオイルフリーの冷却・潤滑剤であり、冷却・潤滑剤が酸化剤ガス中に漏れて燃料電池20の電極が汚染されたため出力が低下すると、加湿のために燃料電池20に供給される水分量を増加させ、燃料電池20を水洗する。
【選択図】図1
Description
2 ・・・熱交換器の流入部
3 ・・・燃料電池の流入部
4 ・・・流出部
5 ・・・加湿器出口側の流入部
5’ ・・・加湿器入口側の流入部
6 ・・・水素フィード
6’ ・・・加湿器水素の流入部
7 ・・・水素排出ガス
10 ・・・空気圧縮機
10’ ・・・駆動モータ
11 ・・・熱交換器
12 ・・・加湿器
13 ・・・凝縮器
14 ・・・圧力調整バルブ
20 ・・・冷却加熱システムを有する燃料電池
30 ・・・レギュレータユニット
31 ・・・エネルギー蓄積器への接続
32 ・・・ガスペダルの信号
33 ・・・駆動モータのコントローラ
34 ・・・空気流量
35 ・・・センサ信号
36 ・・・センサ信号CO2
37 ・・・センサ信号CO2
38 ・・・信号電流
39 ・・・電圧
40 ・・・ポンプユニット
41 ・・・ベアリング
42 ・・・ライン
51 ・・・チャネル
52 ・・・ガス分配層
53 ・・・バイポーラ板
54 ・・・端部封止取付具
55 ・・・チャネル
56 ・・・膜電極ユニット(MEA)
57 ・・・カソード側
58 ・・・アノード側
Claims (17)
- 燃料電池システムを動作させるための方法であって、前記燃料電池システムが、駆動装置の少なくとも1つのさらなる構成要素に、または、電気熱発生のための定置型システムでは、前記定置型システムの少なくとも1つのさらなる構成要素に取り付けられ、かつ、冷却および/または潤滑回路では、前記駆動装置の少なくとも1つの構成要素または前記定置型システムに接続され、水性でオイルフリーの冷却剤および潤滑剤が使用される、燃料電池システムを動作させるための方法において、前記水性でオイルフリーの冷却剤および潤滑剤による前記燃料電池の活性層の汚染が認識されると、前記燃料電池システムの前記少なくとも1つの燃料電池のための水洗手順が開始されることを特徴とする、燃料電池システムを動作させるための方法。
- 前記冷却剤および前記潤滑剤が、水性であり、水溶性添加剤のみを含有することを特徴とする、請求項1に記載の方法。
- 前記燃料電池システムが、ベアリング、圧縮機、ターボ過給機、電気モータ、変速機、バッテリー、電動エレクトロニクスのような補助アセンブリに取り付けられることを特徴とする、請求項1に記載の方法。
- 前記燃料電池システムと前記取り付けられた補助アセンブリとが、共用の冷却潤滑回路を有することを特徴とする、請求項3に記載の方法。
- 前記燃料電池に対する前記水洗手順が、前記燃料電池の動作中に供給される、通常の水への追加の水を使用して実行されることを特徴とする、請求項1に記載の方法。
- 前記汚染の前記認識が、前記燃料電池の電力降下を測定することによって実行され、電流測定、電圧測定、インピーダンスまたは高調波歪み解析、アノード側および/またはカソード側での排出ガス測定、サイクリックボルタンメトリーのグループのうちの1つまたは複数の測定が適用されることを特徴とする、請求項1に記載の方法。
- 前記水洗手順が、空気供給ラインを介して、加湿器から追加の水分を導入することによって実行されることを特徴とする、請求項1に記載の方法。
- 前記水洗手順が、前記燃料電池の空気側における内部圧力を上げることによって実行されることを特徴とする、請求項1に記載の方法。
- 前記水洗手順が、カソード側の空気ラムダ値を減少させることによって実行されることを特徴とする、請求項1に記載の方法。
- 前記水洗手順が、前記燃料電池のバイポーラ板上で加湿空気を冷却することによって実行されることを特徴とする、請求項1に記載の方法。
- 前記水洗手順が、増大した電力を低減することによって実行されることを特徴とする、請求項1に記載の方法。
- 前記水洗手順は、アノード側において加湿器を介して水を供給することによって実行されることを特徴とする、請求項1に記載の方法。
- 前記水洗手順が、追加の水を直接導入することによって実行されることを特徴とする、請求項1に記載の方法。
- 前記水洗手順が、温かく湿潤した空気を導入することによって実行され、凝結が生じることを特徴とする、請求項1に記載の方法。
- 前記水洗手順が、圧力を下げ、周囲湿度を上げることによって実行されることを特徴とする、請求項1に記載の方法。
- 前記水洗手順が、前記水洗手順を複数回繰り返すことによって、および/または前記水洗の様々な方法のうちの1つまたは複数を組み合わせることによって実行され、乾燥プロセスを使用して終了することを特徴とする、請求項1に記載の方法。
- 入口側が圧縮機に接続される少なくとも1つの燃料電池を有する燃料電池システムのためのデバイスであって、前記燃料電池システムが、請求項1にしたがって、車両の駆動装置の少なくとも1つに取り付けられる、または、定置型システムの少なくとも1つに接続される、燃料電池システムのためのデバイス。
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CN114335604A (zh) * | 2022-01-20 | 2022-04-12 | 上海恒劲动力科技有限公司 | 一种低温环境的水冷燃料电池系统 |
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