| abstract |
Provided are a battery electrode material used in a dye-sensitized solar cell with high storage efficiency, a battery electrode material paste containing the battery electrode material, a dye-sensitized solar cell and a storage battery using the battery electrode material. To do. A first powder composed of tungsten oxide powder and a second powder composed of at least one substance selected from metal oxide, metal boride, metal fluoride, metal carbide, carbonate, carbon, and metal. A battery electrode material comprising a mixed powder of powder. [Selection figure] None |