JP2015529379A - 電気化学セルで使用するためのバイポーラプレートの設計 - Google Patents
電気化学セルで使用するためのバイポーラプレートの設計 Download PDFInfo
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Abstract
Description
4 流れ場
5 ガス拡散層(GDL)
7A アノード
7C カソード
8 電解質膜
10 PEM燃料電池
20 高差圧電気化学セル
22、28 フロー構造
25 シール
30、31 バイポーラプレート
40 膜−電極−接合体(MEA)
22 高圧の場
50 領域
30A 枠組み部品、枠組み表面
30B 平坦なプレート
33 平坦なプレートの上面
34 凹部
35 インターフェース
40 かみ合い機構
41 かみ合い機構の第一の部分
42 突出部
43 かみ合い機構の第二の部分
44 凹部
50 通路
Claims (27)
- 第一の電極、第二の電極、およびその間に配置された電解質膜;
電解質膜の一方の側における少なくとも1つのバイポーラプレート;
少なくとも1つのバイポーラプレートと第一の電極との間の第一のフロー構造;
を含む電気化学セルであって、
少なくとも1つのバイポーラプレートは、非円形のベース形状を有し;
さらに少なくとも1つのバイポーラプレートの厚さは、バイポーラプレートを形成するのに使用される材料の降伏強度、第一のフロー構造の厚さ、および電気化学セルの作動中における第一のフロー構造中の最大の意図される流体圧力に基づく、上記電気化学セル。 - 電気化学セルが、非円形の外部圧力境界を有する、請求項1に記載の電気化学セル。
- 電気化学セルが、全体的に長方形の外部圧力境界を有する、請求項2に記載の電気化学セル。
- 第二のバイポーラプレートをさらに含む、請求項1に記載の電気化学セル。
- 第二の電極と第二のバイポーラプレートとの間に第二のフロー構造をさらに含む、請求項4に記載の電気化学セル。
- 第二のフロー構造が、第一のフロー構造よりも高い構造力に耐えるように設計される、請求項5に記載の電気化学セル。
- 第一のフロー構造の外縁の周りにシールをさらに含む、請求項5に記載の電気化学セル。
- 第一および第二のフロー構造のうち少なくとも1つが、多孔質基板を含む、請求項5に記載の電気化学セル。
- 少なくとも1つのバイポーラプレートの厚さが、第一のフロー構造の厚さに、バイポーラプレート材料の降伏強度に対する第一のフロー構造中の最大の意図される流体圧力の比を掛けたものに等しいかまたはそれより大きい、請求項1に記載の電気化学セル。
- 電気化学セルの製造方法であって、該方法は:
第一の電極、第二の電極、およびその間の電解質膜を提供すること;
第一のバイポーラプレートを製造するための材料を選択すること;
第一のバイポーラプレートを製造するために選択された材料の降伏強度を計算すること;
計算された降伏強度、第一のバイポーラプレートに隣接して配置される第一のフロー構造の厚さ、および電気化学セルの作動中における第一のフロー構造中の最大の意図される流体圧力に基づき第一のバイポーラプレートの厚さを決定すること;
決定された厚さを使用して、非円形の形状を有する第一のバイポーラプレートを製造すること;
電解質膜の一方の側に第一のバイポーラプレートを提供すること;および
第一のバイポーラプレートと第一の電極との間に第一のフロー構造を提供すること
を含む、上記方法。 - 第一のバイポーラプレートが、全体的に長方形の形状を有する、請求項10に記載の方法。
- 第二のバイポーラプレートを提供すること;および
第二の電極と第二のバイポーラプレートとの間に第二のフロー構造を提供すること
をさらに含む、請求項10に記載の方法。 - 第二のフロー構造が、第一のフロー構造よりも高い構造的力に耐えるように設計される、請求項12に記載の方法。
- 第一のフロー構造が、圧縮された多孔質金属基板を含む、請求項10に記載の方法。
- 第一のフロー構造が、第二のフロー構造の密度より大きい密度レベルに圧縮される、請求項14に記載の方法。
- 第一のフロー構造が、圧縮された多孔質金属基板上に積層された少なくとも1種の微孔性材料層を含む、請求項14に記載の方法。
- 第二のフロー構造が、多孔質基板を含む、請求項12に記載の方法。
- 第二のフロー構造が、多孔質金属基板を含む、請求項17に記載の方法。
- 第二のフロー構造が、多孔質金属基板上に積層された少なくとも1つの微孔性材料層を含む、請求項18に記載の方法。
- 第一のフロー構造が、第一の電極に面する側に沿って第一の平坦な表面を含み、第二のフロー構造が、第二の電極に面する側に沿って第二の平坦な表面を含み、ここで第一の平坦な表面の外周は、第二の平坦な表面の外周よりも大きい、請求項12に記載の方法。
- 第二の平坦な表面の外周が、第一の平坦な表面の外周内に含まれる、請求項20に記載の方法。
- 第一のバイポーラプレートが、セル作動中に張力部材として機能するように設計される、請求項10に記載の方法。
- 第一のバイポーラプレートが、第一のフロー構造を支持するためのポケットが内部に形成された材料の単一の部品から設計される、請求項10に記載の方法。
- 第一のバイポーラプレートが、類似のまたは類似していない材料の2つの部品から設計され、ここで一方の部品は、第一のフロー構造の周りに枠組みを形成し、他方の部品は、全体的に平坦なプレートである、請求項10に記載の方法。
- 第一のバイポーラプレートが、クラッド材料を含む、請求項10に記載の方法。
- クラッド材料が、ステンレス鋼−クラッドアルミニウム材料である、請求項25に記載の方法。
- 全体的に平坦なプレートが、クラッド材料から設計される、請求項24に記載の方法。
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US201261684278P | 2012-08-17 | 2012-08-17 | |
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US201361817664P | 2013-04-30 | 2013-04-30 | |
US61/817,664 | 2013-04-30 | ||
PCT/US2013/055390 WO2014028859A1 (en) | 2012-08-17 | 2013-08-16 | Design of bipolar plates for use in electrochemical cells |
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Also Published As
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EP2885834B1 (en) | 2020-10-21 |
US20140051007A1 (en) | 2014-02-20 |
CA2881864A1 (en) | 2014-02-20 |
EP2885834A1 (en) | 2015-06-24 |
WO2014028859A1 (en) | 2014-02-20 |
JP6356127B2 (ja) | 2018-07-11 |
KR102123785B1 (ko) | 2020-06-18 |
KR20150044912A (ko) | 2015-04-27 |
US11552319B2 (en) | 2023-01-10 |
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