Journal
CHEMELECTROCHEM
Volume 1, Issue 9, Pages 1531-1536Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/celc.201402052
Keywords
electrocatalysts; helical carbon nanotubes; interfacial charge transfer; manganese oxide; oxygen reduction reaction
Categories
Funding
- NSFC [21103057, 201173091, 21161160445]
- 973 programs of China [2013CB922104, 2014CB643506, 2011CBA00703]
- Program of New Century Excellent Talents in University [NCET-10-0416]
- Carl von Ossietzky University of Oldenburg
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Electrodes based on helical carbon nanotubes (CNTs) and Mn3O4 nanocomposites are investigated for catalysis of the oxygen reduction reaction (ORR) in alkaline solutions. Modification of Mn3O4 with helical CNTs allows these nanocomposite materials to exhibit high catalytic activity for the ORR, in which a four-electron pathway dominates, and also remarkable stability in air-saturated alkaline solutions. These properties are attributed to a combination of fast electron transport by the helical CNTs and high catalytic activity of Mn3O4 in the ORR.
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