Young & Thompson
Tin oxide, electrode catalyst for fuel cells, membrane electrode assembly, and solid polymer fuel cell
Disclosed is a tin oxide containing antimony and at least one element A selected from the group consisting of tantalum, tungsten, niobium, and bismuth. The antimony and the at least one element A selected from the group consisting of tantalum, tungsten, niobium, and bismuth are preferably dissolved in a solid state in tin oxide. The ratio of the number of moles of the element A to the number of moles of antimony, i.e., [(the number of moles of the element A/the number of moles of antimony)], is preferably 0.1 to 10.
MITSUI MINING & SMELTING CO., LTD.
H H H H C C C Y C C C H H C
H01M H01M H01M H01M C01P C01P C01G Y02E C01P C01G C01G H01M H01M C01G
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Naohiko Ryoma Hiroki Hiromu Koichi Kenichi Kazuhiko Yoshihiro Koji Susumu
Abe Tsukuda Takahashi Watanbe Miyake Amitani Kato Yoneda Taniguchi Takahashi