An efficient sewage sludge-derived bi-functional electrocatalyst for oxygen reduction and evolution reaction
Green Chemistry, ISSN: 1463-9270, Vol: 18, Issue: 14, Page: 4004-4011
2016
- 70Citations
- 34Captures
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Article Description
An efficient, low cost, and stable bi-functional electrocatalyst consisting of N, Fe, and S multi-doped nanoporous carbon was produced by a green and facile one-step pyrolysis of sewage sludge under NH conditions. The as-synthesized multi-doped electrocatalyst shows excellent electrocatalytic activities for oxygen reduction reaction (ORR) in both alkaline and acid media, which compares favorably with the commercial 20% Pt/C catalyst. The electrocatalyst also exhibits superior oxygen evolution reaction (OER) performance with favorable stability. The hierarchically porous structure, favorable surface area, and unique N, Fe, and S multi-doped carbon framework stem from the particular composition of sewage sludge and the NH atmosphere is responsible for the excellent catalytic efficiency of the as-synthesized electrocatalyst. This development offers a straightforward environment-compatible route for synthesizing attractive bi-functional electrocatalyst materials as promising candidates for fuel cells directly from a type of pollutant.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84978795811&origin=inward; http://dx.doi.org/10.1039/c5gc02729b; http://xlink.rsc.org/?DOI=C5GC02729B; http://pubs.rsc.org/en/content/articlepdf/2016/GC/C5GC02729B; https://xlink.rsc.org/?DOI=C5GC02729B; https://dx.doi.org/10.1039/c5gc02729b; https://pubs.rsc.org/en/content/articlelanding/2016/gc/c5gc02729b
Royal Society of Chemistry (RSC)
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