JP2015026586A - 燃料電池用ガス拡散層シート用織物及びそれを用いた燃料電池用ガス拡散層シートの製造方法並びに燃料電池用ガス拡散層シート及びそれを有する燃料電池 - Google Patents
燃料電池用ガス拡散層シート用織物及びそれを用いた燃料電池用ガス拡散層シートの製造方法並びに燃料電池用ガス拡散層シート及びそれを有する燃料電池 Download PDFInfo
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- JP2015026586A JP2015026586A JP2013157158A JP2013157158A JP2015026586A JP 2015026586 A JP2015026586 A JP 2015026586A JP 2013157158 A JP2013157158 A JP 2013157158A JP 2013157158 A JP2013157158 A JP 2013157158A JP 2015026586 A JP2015026586 A JP 2015026586A
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Woven Fabrics (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
11、21 焼成箱
17 加圧版
18 金網
20 (燃料電池用ガス拡散層シート用)織物
22、23 クリップ
24 上棒
25 溝
26 下棒
27 案内長孔
100 焼成(炭素化)装置
Claims (10)
- 耐炎化処理前のセルロース系繊維からなる糸と、耐炎化処理した糸と、を交織したことを特徴とする燃料電池用ガス拡散層シート用織物。
- 経糸又は緯糸の一方を耐炎化処理した糸とし、他方を耐炎化処理した糸及び耐炎化処理前のセルロース系繊維からなる糸又は耐炎化処理前のセルロース系繊維からなる糸、としたことを特徴とする請求項1記載の燃料電池用ガス拡散層シート用織物。
- 前記耐炎化処理した糸の太さより前記耐炎化処理前のセルロース系繊維の糸の太さが細くされていることを特徴とする請求項1又は2記載の燃料電池用ガス拡散層シート用織物。
- 請求項1乃至3のいずれか一に記載の前記燃料電池用ガス拡散層シート用織物を焼成炉内に配置し、不活性ガスを投入し分解ガスと共に排気させながら800〜1500℃に加熱と冷却を行い、前記織物を炭素化することを特徴とする燃料電池用ガス拡散層シートの製造方法。
- 請求項1乃至3のいずれか一に記載の前記燃料電池用ガス拡散層シート用織物を所定の厚みまで一定荷重を掛けるかもしくは織物面の少なくとも1つの方向に一定張力を掛けた状態で、焼成炉内に配置することを特徴とする請求項4記載の燃料電池用ガス拡散層シートの製造方法。
- 前記一定張力は、前記耐炎化処理した糸側に掛けることを特徴とする請求項5記載の燃料電池用ガス拡散層シートの製造方法。
- 交織された炭化物であって、太さが太い糸状炭化物に対して、太さの細い糸状炭化物が炭化物側に絡みつくようにされ、太さが太い糸状炭化物に対して、太さの細い糸状炭化物の形状が不均一であることを特徴とする燃料電池用ガス拡散層シート。
- 厚み方向の圧縮応力が少なくとも3kg/cm2の時のその圧縮歪みが初期厚みに対して20%以上70%以下であることを特徴とする請求項7記載の燃料電池用ガス拡散層シート。
- 請求項4又は5又は6記載の燃料電池用ガス拡散層シートの製造方法で製造されたことを特徴とする請求項7又は8記載の燃料電池用ガス拡散層シート。
- 請求項7又は8又は9記載の燃料電池用ガス拡散層シートを有することを特徴とする燃料電池。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017076538A (ja) * | 2015-10-15 | 2017-04-20 | Fdk株式会社 | 空気二次電池の空気極の製造方法及び空気−水素二次電池 |
CN109904527A (zh) * | 2019-02-22 | 2019-06-18 | 深圳市莱美斯硅业有限公司 | 一种电池隔热防火布 |
Citations (5)
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JP2004504512A (ja) * | 2000-07-26 | 2004-02-12 | バラード パワー システムズ インコーポレイティド | 炭素−基質複合体、およびそれに関連する組成および方法 |
JP2004111341A (ja) * | 2002-09-18 | 2004-04-08 | Nippon Carbon Co Ltd | 燃料電池ガス拡散層用の炭素繊維織布または不織布の製造方法 |
JP2004176245A (ja) * | 2002-11-12 | 2004-06-24 | Toray Ind Inc | 炭素繊維シートの製造方法 |
JP2005248343A (ja) * | 2004-03-02 | 2005-09-15 | Mitsubishi Rayon Co Ltd | 炭素繊維の製造方法および得られた炭素繊維を用いた炭素繊維織物 |
JP2012012719A (ja) * | 2010-06-30 | 2012-01-19 | Toho Tenax Co Ltd | 炭素繊維織物及びその製造方法 |
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2013
- 2013-07-29 JP JP2013157158A patent/JP6188135B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004504512A (ja) * | 2000-07-26 | 2004-02-12 | バラード パワー システムズ インコーポレイティド | 炭素−基質複合体、およびそれに関連する組成および方法 |
JP2004111341A (ja) * | 2002-09-18 | 2004-04-08 | Nippon Carbon Co Ltd | 燃料電池ガス拡散層用の炭素繊維織布または不織布の製造方法 |
JP2004176245A (ja) * | 2002-11-12 | 2004-06-24 | Toray Ind Inc | 炭素繊維シートの製造方法 |
JP2005248343A (ja) * | 2004-03-02 | 2005-09-15 | Mitsubishi Rayon Co Ltd | 炭素繊維の製造方法および得られた炭素繊維を用いた炭素繊維織物 |
JP2012012719A (ja) * | 2010-06-30 | 2012-01-19 | Toho Tenax Co Ltd | 炭素繊維織物及びその製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017076538A (ja) * | 2015-10-15 | 2017-04-20 | Fdk株式会社 | 空気二次電池の空気極の製造方法及び空気−水素二次電池 |
CN109904527A (zh) * | 2019-02-22 | 2019-06-18 | 深圳市莱美斯硅业有限公司 | 一种电池隔热防火布 |
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