Catalyst

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PROBLEM TO BE SOLVED : To provide an electrode catalyst which is suitable for an oxygen reducing gas diffusion electrode applied to an oxygen cathode for salt electrolysis, metal-air cell or the like. SOLUTION : In the electrode catalyst, an electroconductive carrier is supported on a catalyst. The catalyst is a mixture of silver fine grains and at least one kind of rare earth oxide fine grains. COPYRIGHT : (C)2004, JPO