Electrode and fuel cell
The present invention provides an electrode comprising on an electrode substrate a catalytic layer comprising catalytically active particles and a solid polymer comprising a component represented by Structural Formula (1) below: wherein R 1 , R 2 , R 3 , and R 4 are the same or different, and independently represent a hydrogen atom or C 1-8 univalent hydrocarbon group, and m and n are independently an integer from 2 to 4; a fuel cell comprising the catalytic layer; and a fuel cell for bioimplantation whose surface is coated with the solid polymer.
1 . An electrode comprising on an electrode substrate a catalytic layer comprising catalytically active particles and a solid polymer comprising a component represented by Structural Formula (1) below:
wherein R 1 , R 2 , R 3 , and R 4 are the same or different, and independently represent a hydrogen atom or C 1-8 univalent hydrocarbon group; and m and n are independently an integer from 2 to 4.
2 . The electrode according to claim 1 , wherein the solid polymer contains the monomer in an amount of 60 to 100 wt. %.
3 . The electrode according to claim 1 , wherein the solid polymer is proton conductive.
4 . The electrode according to claim 1 , wherein the catalytically active particles are at least one member selected from the group consisting of activated carbons prepared by heat-treating acrylic fibers, binchotan, and activated carbons prepared by heat-treating beer yeast.
5 . The electrode according to claim 1 , wherein the solid polymer is represented by Structural Formula (2) below:
wherein n is an integer from 1000 to 5000000.
6 . The electrode according to claim 1 , wherein the electrode substrate is at least one member selected from the group consisting of metals, oxides and carbides.
7 . The electrode according to claim 1 which is an oxygen-reducing electrode.
8 . The electrode according to claim 1 , wherein R 4 is a hydrogen atom or methyl group; R 1 , R 2 , and R 3 are the same or different, and independently represent a C 1-8 univalent hydrocarbon group; and m and n are independently an integer from 2 to 4.
9 . The electrode according to claim 1 , wherein R 4 is a hydrogen atom or methyl group; R 1 , R 2 , and R 3 are the same or different, and independently represent a C 1-4 univalent hydrocarbon group; and m an n are independently an integer from 2 to 4.
10 . The electrode according to claim 1 , wherein R 1 , R 2 , R 3 , and R 4 are all methyl groups; and m and n are 2.
11 . A fuel cell comprising a catalytic layer comprising catalytically active particles and a solid polymer comprising a component represented by Structural Formula (1) below:
wherein R 1 , R 2 , R 3 , and R 4 are the same or different, and independently represent a hydrogen atom or C 1-8 univalent hydrocarbon group; and m and n are independently an integer from 2 to 4.
12 . A fuel cell for bioimplantation whose surface is coated with a solid polymer comprising a component represented by Structural Formula (1) below:
wherein R 1 , R 2 , R 3 , and R 4 are the same or different, and independently represent a hydrogen atom or C 1-8 univalent hydrocarbon group; and m and n are independently an integer from 2 to 4.