TY - JOUR AU - He, Xingquan AB - J Appl Electrochem (2017) 47:13–23 DOI 10.1007/s10800-016-1008-3 RESEARCH AR TIC L E 3D cobalt-embedded nitrogen-doped graphene xerogel as an efficient electrocatalyst for oxygen reduction reaction in an alkaline medium 1 1 Dingling Yu Xingquan He Received: 8 August 2016 / Accepted: 28 September 2016 / Published online: 6 October 2016 Springer Science+Business Media Dordrecht 2016 Abstract Oxygen reduction reaction (ORR) is crucial to Graphical abstract An advanced and highly efficient energy conversion technologies such as fuel cells and oxygen reduction reaction activity catalyst was synthesized metal–air batteries. Three-dimensional (3D) heteroatom- by embedding cobalt nanocrystals in nitrogen-doped gra- doped graphene-based materials have been reported to be phene xerogel efficient electrocatalysts for ORR in fuel cells for energy conversion. In this study, a novel cobalt-embedded nitro- gen-doped graphene xerogel (denoted as Co-NGX) was prepared by a facile one-step hydrothermal method. The Co-NGX hybrid obtained at the pyrolysis temperature of 900 C (labeled as Co-NGX 900) was comparable to the benchmark Pt/C catalyst in terms of the onset potential and half-wave potential, indicating excellent ORR activity of our Co-NGX 900 catalyst. Additionally, the proposed Co- NGX 900 also displayed higher stability and better methanol tolerance than the commercial Pt/C, which might hold TI - 3D cobalt-embedded nitrogen-doped graphene xerogel as an efficient electrocatalyst for oxygen reduction reaction in an alkaline medium JF - Journal of Applied Electrochemistry DO - 10.1007/s10800-016-1008-3 DA - 2016-10-06 UR - https://www.deepdyve.com/lp/springer-journals/3d-cobalt-embedded-nitrogen-doped-graphene-xerogel-as-an-efficient-tVfZpRLToI SP - 13 EP - 23 VL - 47 IS - 1 DP - DeepDyve ER -