Electrode catalyst layer, membrane electrode assembly, and polymer electrolyte fuel cell
AssigneeToppan Inc.
InventorsMadoka Ozawa, Atsuhiro Kawamura
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Abstract
An electrode catalyst layer, a membrane electrode assembly, and a polymer electrolyte fuel cell, which are capable of improving material transport properties and proton conductivity in the electrode catalyst layer, and which are capable of exhibiting high power generation performance over the long term and have good durability. The electrode catalyst layer for use in a polymer electrolyte fuel cell, and includes: a catalyst material; a conductive carrier that supports the catalyst material; a polymer electrolyte; and a fibrous material, wherein the fibrous material contains a material having nitrogen atoms, and the content of the fibrous material in the electrode catalyst layer is 1 wt % or more and less than 12 wt %.
Claims7
An electrode catalyst layer for use in a polymer electrolyte fuel cell, comprising:
- a catalyst material;
- a conductive carrier that supports the catalyst material;
- a polymer electrolyte;
- and
- a fibrous material having a nitrogen atom, wherein
- the fibrous material having a nitrogen atom is the only fibrous material in the catalyst layer, and,
- a content of the fibrous material in the electrode catalyst layer is 1 wt % or more and 6 wt % or less.
Dependencies are inferred from the claim text.