The influence of iridium chemical oxidation state on the performance and durability of oxygen evolution catalysts in PEM electrolysis

Siracusano, S.; Baglio, Vincenzo; V. Grigoriev, S.; Merlo, Luca; Н. Фатеев, В.; Aricò, A.S.

doi:10.1016/j.jpowsour.2017.09.020

Public

The influence of iridium chemical oxidation state on the performance and durability of oxygen evolution catalysts in PEM electrolysis

Published in Journal of Power Sources • Sep 14, 2017

Authors:

S. Siracusano

Vincenzo Baglio

S. V. Grigoriev

Abstract

Nanosized Ir-black (3 nm) and Ir-oxide (5 nm) oxygen evolution electrocatalysts showing high performance in polymer electrolyte membrane (PEM) water electrolysis based on Aquivion® short-side chain ionomer membrane are investigated to understand the role of the Ir oxidation state on the electrocatal...

Subject

Overpotential

Electrocatalyst

Oxide

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