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Remarkable Oxygen‐Evolution Activity of a Perovskite Oxide from the Ca 2− x Sr x Fe 2 O 6− δ Series
Author(s) -
Hona Ram Krishna,
Ramezanipour Farshid
Publication year - 2019
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201813000
Subject(s) - oxygen evolution , perovskite (structure) , oxygen , catalysis , oxide , electrical resistivity and conductivity , conductivity , carbon fibers , chemistry , inorganic chemistry , glassy carbon , materials science , electrode , electrochemistry , crystallography , metallurgy , cyclic voltammetry , biochemistry , organic chemistry , composite material , composite number , electrical engineering , engineering
Herein in we report the unprecedented catalytic activity of an iron‐based oxygen‐deficient perovskite for the oxygen‐evolution reaction (OER). The systematic trends in OER activity as a function of composition, defect‐order, and electrical conductivity have been demonstrated, leading to a methodical increase in OER catalytic activity: Ca 2 Fe 2 O 6− δ