摘要:
This invention provides a highly stable electrocatalyst having excellent electrochemical properties, which comprises a support containing a composite oxide containing Sb-doped SnO2 and a catalyst supported by the support, wherein the composite oxide is an amorphous composite oxide and the percentage of Sb with respect to the sum of Sb and Sn in the composite oxide is 2 to 10 at. %, or wherein the composite oxide is a crystalline composite oxide and the percentage of Sb with respect to the sum of Sb and Sn in the composite oxide is 1 to 3 at. %.
摘要:
A core-shell composite material may include a core consisting of Nb-doped TiO2 of formula TiNbOx; and a shell consisting of a homogeneous layer of Pt or Pt alloy of 1 to 50 ML in thickness. The core-shell composite material may in particular find application in fuel cells.
摘要:
The present invention concerns a core-shell composite material comprising: a core consisting of Nb-doped TiO2 of formula TiNbOx; and a shell consisting of a homogeneous layer of Pt or Pt alloy of 1 to 50 ML in thickness. The core-shell composite material may in particular find application in fuel cells.
摘要:
An object of the present invention is to develop a support for PEMFC electrocatalyst with enhanced electrical conductivity and stability in acidic environment.The object can be achieved by a support material comprising a Ti—Nb composite oxide having rutile crystal structure,