Effects of boron oxidation state on electrocatalytic activity of carbons synthesized from CO2

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This work addresses the substantial effect of oxygen co-insertion into boron-doped porous carbon (BPC) on the activity of the oxygen reduction reaction (ORR). The BPC synthesis is based on simple CO2 carbonization using NaBH4 as a reducing agent with subsequent thermal treatments. Electrochemical, microscopic and spectroscopic measurements with density functional calculations reveal that the presence of oxidized boron atoms (O-B-C species) in the B-C bonding is responsible for the enhanced ORR activity, preferential 4 electron pathway, and high cycle stability.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2015-03
Language
English
Article Type
Article
Citation

JOURNAL OF MATERIALS CHEMISTRY A, v.3, no.11, pp.5843 - 5849

ISSN
2050-7488
DOI
10.1039/c4ta05979d
URI
http://hdl.handle.net/10203/196064
Appears in Collection
EEW-Journal Papers(저널논문)CBE-Journal Papers(저널논문)
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