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US 7,745,061 B2Granted
Electrolyte membrane for fuel cell having hollow inorganic fine particles
AssigneesNational University Corporation Shizuoka University, Toyota Jidosha Kabushiki Kaisha
InventorsTatsuo Fujinami, Takuya Mase, Masayoshi Takami
Life of this patent
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Abstract
An electrolyte membrane for a fuel cell includes: a proton conductive material in which hollow inorganic fine particles having through-holes on the surface of the hollow inorganic fine particles, are filled with an electrolyte resin; and a non-proton conductive polymer.
Claims16
An electrolyte membrane for a fuel cell, comprising:
- a proton conductive material comprising hollow inorganic fine particles in the form of capsules having through-holes on the surface of the hollow inorganic fine particles, wherein the hollow inorganic fine particles are filled with an electrolyte resin and wherein each of the capsules has an internal cavity and an external shell with the through-holes penetrating said external shell and wherein the electrolyte resin is in the internal cavity and the through-holes;
- and
- a non-proton conductive polymer.
Dependencies are inferred from the claim text.