JP2005071819A5 - - Google Patents
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- JP2005071819A5 JP2005071819A5 JP2003300478A JP2003300478A JP2005071819A5 JP 2005071819 A5 JP2005071819 A5 JP 2005071819A5 JP 2003300478 A JP2003300478 A JP 2003300478A JP 2003300478 A JP2003300478 A JP 2003300478A JP 2005071819 A5 JP2005071819 A5 JP 2005071819A5
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- Prior art keywords
- polymer membrane
- molecular weight
- fuel cell
- gas
- inspection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Claims (3)
- 微細な孔が多数存在する、パーフルオロスルホン酸から成る燃料電池用高分子膜の一方の面側に所定の分子量以上のガスを供給し、前記高分子膜の他方の面側で前記ガスの量を測定し、前記測定したガスの量により前記高分子膜に所定の直径以上の孔が存在するかを判定することを特徴とする燃料電池用高分子膜の検査方法。
- 所定の直径をｄ（単位μｍ）、検査面積をＳ（単位ｍｍ２）としたときに、分子量Ｍが下記の式を満たすことを特徴とする請求項１記載の燃料電池用高分子膜の検査方法。
- 分子量が８０以上であることを特徴とする請求項１または２記載の燃料電池用高分子膜の検査方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003300478A JP4331548B2 (ja) | 2003-08-25 | 2003-08-25 | 燃料電池用高分子膜の検査方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003300478A JP4331548B2 (ja) | 2003-08-25 | 2003-08-25 | 燃料電池用高分子膜の検査方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005071819A JP2005071819A (ja) | 2005-03-17 |
| JP2005071819A5 true JP2005071819A5 (ja) | 2006-09-07 |
| JP4331548B2 JP4331548B2 (ja) | 2009-09-16 |
Family
ID=34405400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003300478A Expired - Fee Related JP4331548B2 (ja) | 2003-08-25 | 2003-08-25 | 燃料電池用高分子膜の検査方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4331548B2 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4905846B2 (ja) | 2005-08-09 | 2012-03-28 | 日産自動車株式会社 | 燃料電池システム及びその電解質膜の修復方法 |
| KR101427976B1 (ko) | 2013-08-16 | 2014-08-07 | 현대자동차주식회사 | 연료 전지용 막-전극 접합체의 핀홀 검사 장치 및 그 방법 |
| CN109932132B (zh) * | 2017-12-15 | 2021-06-08 | 中国科学院大连化学物理研究所 | 一种燃料电池膜电极的测试检漏装置及应用 |
-
2003
- 2003-08-25 JP JP2003300478A patent/JP4331548B2/ja not_active Expired - Fee Related
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