DOUBLE-SIDED SUPERHYDROPHOBIC GAS DIFFUSION LAYER FOR A POLYMER ELECTROLYTE MEMBRANE FUEL CELL, METHOD FOR PREPARING SAME, AND POLYMER ELECTROLYTE MEMBRANE FUEL CELL INCLUDING SAME

WIPO Patent Application WO/2013/065897

A1

The present invention relates to a double-sided superhydrophobic gas diffusion layer for a polymer electrolyte membrane fuel cell, to a method for preparing same, and to a polymer electrolyte membrane fuel cell including same. More particularly, the present invention relates to a double-sided superhydrophobic gas diffusion layer for a polymer electrolyte membrane fuel cell, which not only has stability and durability without any loss in electrical conductivity but also has stable performance in a high-current region in which much moisture is produced due to double-sided superhydrophobicity, and which can maintain ionic conductivity by controlling moisture content to a suitable level in a low-current region, and which can be manufactured economically through a simple process; the present invention also relates to a method for preparing the double-sided superhydrophobic gas diffusion layer and to a polymer electrolyte membrane fuel cell including the double-sided superhydrophobic gas diffusion layer.

UHM SUNG-HYUN (KR)
LEE JAE YOUNG (KR)
KIM YOUNG DOK (KR)
SEO HYUN OOK (KR)
KIM KWANG-DAE (KR)

PCT/KR2011/009697

May 10, 2013

December 16, 2011

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KWANGJU INST SCI & TECH (KR)
UHM SUNG-HYUN (KR)
LEE JAE YOUNG (KR)
KIM YOUNG DOK (KR)
SEO HYUN OOK (KR)
KIM KWANG-DAE (KR)

H01M8/02; H01M4/86; H01M8/10

JP2011038032A	2011-02-24
KR100767246B1	2007-10-17
JP2010040464A	2010-02-18

CHUNG HYUN PATENT & LAW FIRM (KR)
특허법인 충현 (KR)

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