Chinese Journal of Catalysis ›› 2014, Vol. 35 ›› Issue (6): 877-883.DOI: 10.1016/S1872-2067(14)60126-1

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Facile preparation of N-doped carbon nanofiber aerogels from bacterial cellulose as an efficient oxygen reduction reaction electrocatalyst

Fanlu Menga,b, Lin Lia,b, Zhong Wub,c, Haixia Zhongb,c, Jianchen Lia, Junmin Yana   

  1. a Key Laboratory of Automobile Materials, Ministry of Education, and College of Materials Science and Engineering, Jilin University, Changchun 130012, Jilin, China;
    b State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, China;
    c University of Chinese Academy of Sciences, Beijing 100049, China
  • Received:2014-03-31 Revised:2014-04-28 Online:2014-05-30 Published:2014-06-03
  • Supported by:

    This work was financially supported by the Hundred Talents Program of Chinese Academy of Sciences, the National Basic Research Program of China (973 Program, 2014CB932300, 2012CB215500), and the National Natural Science Foundation of China (20921002, 21101147, 21203176).

Abstract:

Carbon aerogels have attracted considerable attention over the past few decades as promising materials for catalyst supports, electrodes for supercapacitors and lithium-ion batteries, and adsorbents. However, expensive and toxic precursors as well as complicated synthetic methods dramatically limit their large-scale production and application. In this work, we developed a facile and effective route to prepare a N-doped carbon nanofiber aerogel (N-CNFA) with low mass density, continuous porosity, high specific surface area, and electrical conductivity from a bacterial cellulose precursor. Because of the highly porous and interconnected 3D structure, the obtained N-doped carbon aerogel was used directly as a catalyst for the oxygen reduction reaction (ORR), and it exhibited superior catalytic activity. This activity was much higher than that obtained without N-doping, and it can potentially be applied to high-performance fuel cells.

Key words: Carbon nanofiber aerogels, N-doped carbon, Oxygen reduction reaction, Bacterial cellulose