IRIDIUM-MANGANESE OXIDE COMPOSITE MATERIAL, IRIDIUM-MANGANESE OXIDE COMPOSITE ELECTRODE MATERIAL, AND METHODS FOR PRODUCING SAME

Provided are an iridium-manganese oxide composite material and an iridium-manganese oxide composite electrode material that are inexpensive and have high catalytic activity for use in an anode catalyst for oxygen evolution associated with water electrolysis. Also provided are methods for producing t...

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Hauptverfasser: NAKAMURA, Ryuhei, LI, Ailong, OKADA, Takuya, KONG, Shuang, FUSHIMI, Kazuna, SUETSUGU, Kazumasa
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Provided are an iridium-manganese oxide composite material and an iridium-manganese oxide composite electrode material that are inexpensive and have high catalytic activity for use in an anode catalyst for oxygen evolution associated with water electrolysis. Also provided are methods for producing the same. An iridium-manganese oxide composite material comprising a manganese oxide and iridium distributed on at least a surface of the manganese oxide, the iridium having a metal valence of 3.1 or greater and 3.8 or less. An iridium-manganese oxide composite electrode material comprising a conductive substrate formed of a fiber, with the iridium-manganese oxide composite material being coated on at least a portion of the conductive substrate.