Title:
GAS DIFFUSION LAYER WITH NANOFIBER LAYER, HYDROELECTROLYTIC MEMBRANE ELECTRODE ASSEMBLY PROVIDED WITH SAME, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2020/096086
Kind Code:
A1
Abstract:
A gas diffusion layer for a hydroelectrolytic membrane electrode assembly according to the present invention is provided with a nanofiber layer having a nanoporous structure that is electrospun with nanofibers and formed on a gas diffusion layer having a microporous structure. Thus, the present invention has the advantage wherein oxygen discharge and the supply of water can be smoothly performed through a microscale gas diffusion layer while minimizing the current density loss and resistance applied to a catalyst layer through a nanoscale fiber layer formed on the surface of the gas diffusion layer.
Inventors:
MOON SANG BONG (KR)
MOON CHANG HWAN (KR)
CHOI YUN KI (KR)
JUNG HYE YOUNG (KR)
IM SU HYUN (KR)
MOON CHANG HWAN (KR)
CHOI YUN KI (KR)
JUNG HYE YOUNG (KR)
IM SU HYUN (KR)
Application Number:
PCT/KR2018/013567
Publication Date:
May 14, 2020
Filing Date:
November 08, 2018
Export Citation:
Assignee:
ELCHEMTECH CO LTD (KR)
International Classes:
C25B9/19; D04H1/728; D01F1/10
Foreign References:
| KR20140000700A | 2014-01-03 | |||
| KR101754122B1 | 2017-07-06 | |||
| KR20190021551A | 2019-03-06 |
Other References:
HWANG, CHUL MIN ET AL: "Effect of titanium powder loading in gas diffusion layer of a polymer electrolyte unitized reversible fuel cell", JOURNAL OF POWER SOURCES, vol. 202, 23 November 2011 (2011-11-23), pages 108 - 113, XP028440040, ISSN: 0378-7753, DOI: 10.1016/j.jpowsour.2011.11.041
KIM, MINJOONG ET AL: "Electrospun Nb-doped Ti02 nanofiber support for Pt nanoparticles with high electrocatalytic - activity and durability", SCIENTIFIC REPORTS, vol. 7, 44411, 14 March 2017 (2017-03-14), pages 1 - 8, XP055704739, DOI: 10.1038/srep44411
KIM, MINJOONG ET AL: "Electrospun Nb-doped Ti02 nanofiber support for Pt nanoparticles with high electrocatalytic - activity and durability", SCIENTIFIC REPORTS, vol. 7, 44411, 14 March 2017 (2017-03-14), pages 1 - 8, XP055704739, DOI: 10.1038/srep44411
Attorney, Agent or Firm:
SEAH PARTNERS PATENT & LAW FIRM (KR)
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