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Ultra-high surface area and mesoporous N-doped carbon derived from sheep bones with high electrocatalytic performance toward the oxygen reduction reaction

Li, Shunxi; Xu, Ruoyu; Wang, Hui; Brett, Dan J L; Ji, Shan; Pollet, Bruno; Wang, Rongfang
Journal article, Peer reviewed
Accepted version
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URI
http://hdl.handle.net/11250/2596854
Date
2017
Metadata
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  • Institutt for energi og prosessteknikk [2680]
  • Publikasjoner fra CRIStin - NTNU [20734]
Original version
Journal of Solid State Electrochemistry. 2017, 21 (10), 2947-2954.   10.1007/s10008-017-3630-3
Abstract
A nitrogen (N)-doped mesoporous carbon material exhibiting ultra-high surface area was successfully synthesized from sheep bones via a facile and low-cost method. The obtained carbon material had an ultra-high specific surface area of 1961 m2 g−1 and provided rich active sites for the oxygen reduction reaction (ORR), which in turn resulted in high electrocatalytic activity. It was found that the pore size distribution for the newly prepared carbonaceous material fell in the range of 1–4 nm. Benefiting from its high surface area and the presence of pyridine-N and quaternary-N species, the as-prepared carbon material exhibited excellent ORR activity in an oxygen-saturated 0.1 M KOH solution, compared to commercial Pt/C (10 wt%). Due to its high ORR catalytic activity, stability and low-cost, using sheep bone as C and N precursors to produce N-doped carbon provides an encouraging step toward the goal of replacing commercial Pt/C as fuel cell cathode electrocatalyst.
Publisher
Springer
Journal
Journal of Solid State Electrochemistry

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