Fuel cells; Fuel cell electrodes; Reformers for fuel cells; Electrolyte board for fuel cells; Electric batteries for powering electric vehicles; Gas diffusion layer for fuel cells; Electrolyte membrane for fuel cells; Separator for electric batteries for powering electric vehicles; Radiant heating member for fuel cells; Cooling member for fuel cells; Radiant heating member for electric batteries for powering electric vehicles; Cooling member for electric batteries for powering electric vehicles