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Graphene Hybrids: Identifying the Key Role of Pyridinic‐N–Co Bonding in Synergistic Electrocatalysis for Reversible ORR/OER (Adv. Mater. 23/2018)
Author(s) -
Wang XueRui,
Liu JieYu,
Liu ZiWei,
Wang WeiChao,
Luo Jun,
Han XiaoPeng,
Du XiWen,
Qiao ShiZhang,
Yang Jing
Publication year - 2018
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201870164
Subject(s) - electrocatalyst , graphene , materials science , catalysis , battery (electricity) , photochemistry , chemical engineering , combinatorial chemistry , nanotechnology , electrode , electrochemistry , organic chemistry , chemistry , power (physics) , physics , quantum mechanics , engineering
In article number 1800005 , Wei‐Chao Wang, Jing Yang, and co‐workers develop an innovative strategy based on laser irradiation to selectively regulate the relative contents of pyridinic and pyrrolic N in NiCo 2 O 4 /N–graphene hybrids. They identify that the pyridinic‐N–Co bonds, instead of pyrrolic‐N–Co bonds, are responsible for the synergistic catalytic effect, resulting in substantially promoted reversible oxygen electrocatalytic activities, and excellent charge/discharge performance in a Zn–air battery.
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