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Connected iridium nanoparticle catalysts coated onto silica with high density for oxygen evolution in polymer electrolyte water electrolysis

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Abstract

We propose connected Ir nanoparticle catalysts (Ir/SiO2) by coating 1.8 nm Ir particles with high density onto silica for the oxygen evolution reaction. Nanoparticles form electron-conducting networks, which can eliminate the need for an electron-conducting support. Ir/SiO2 showed a high electrochemical surface area, mass activity, and water electrolysis performance.

Graphical abstract: Connected iridium nanoparticle catalysts coated onto silica with high density for oxygen evolution in polymer electrolyte water electrolysis

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Article information


Submitted
06 Sep 2019
Accepted
01 Dec 2019
First published
02 Dec 2019

This article is Open Access

Nanoscale Adv., 2020, Advance Article
Article type
Communication

Connected iridium nanoparticle catalysts coated onto silica with high density for oxygen evolution in polymer electrolyte water electrolysis

Y. Sugita, T. Tamaki, H. Kuroki and T. Yamaguchi, Nanoscale Adv., 2020, Advance Article , DOI: 10.1039/C9NA00568D

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