Science China Materials

, Volume 62, Issue 3, pp 359–367 | Cite as

Co/N co-doped graphene-like nanocarbon for highly efficient oxygen reduction electrocatalyst

  • Lei Liu (刘磊)
  • Jian Zhang (张建)
  • Wujun Ma (麻伍军)
  • Yunhui Huang (黄云辉)Email author


The development of efficient and inexpensive graphene-based electrocatalysts is of great significance to promote the commercial application of fuel cell and metal-air batteries. In this paper, a new type of Co and N co-doped graphene-like nanocarbon (Co/N-GLC) material was prepared by nano-silicon protection and high temperature pyrolysis. The obtained Co/N-GLC catalyst not only has a similar morphology of graphene, but also possesses a high specific surface area (809 m2 g−1) with hierarchical porous structure (micropores/mesopores), and relative high active dopants content. These properties endow it with a good oxygen reduction activity in alkaline media, which can be comparable to commercial Pt/C catalyst. Moreover, the assembled zinc-air batteries using Co/N-GLC catalyst as the air electrode display a better discharge performance and higher stability compared to that of Pt/C electrode. This work demonstrates that the prepared graphene-like carbon catalyst has a good prospect, which can replace noble metal catalyst at the cathode in metalair batteries.


graphene-like nanocarbon oxygen reduction reaction electrocatalyst zinc-air battery 



本文通过纳米硅作为保护层结合高温热解得到一种新型钴/氮共掺杂多孔类石墨烯纳米碳材料氧还原催化剂(Co/N-GLC). 结果显 示, Co/N-GLC具有类似于石墨烯的碳纳米薄层结构, 并展现出分级多孔(微孔/介孔)特性, 其比表面积高达809 m2 g−1; 此外, Co/N-GLC还 拥有较高的吡啶氮和石墨氮含量. 这些优异的特性使得Co/N-GLC在碱性介质中具有出色的氧还原活性, 接近于商业Pt/C催化剂. 同时, 在 锌空气电池测试中, Co/N-GLC具有接近Pt/C电极的放电性能和优异的稳定性, 表明该催化剂有望替代贵金属催化剂, 具有很好的应用前 景.



This work was supported by the National Natural Science Foundation of China (51602113 and 51702111) and China Postdoctoral Science Foundation (2016M590692).

Supplementary material

40843_2018_9322_MOESM1_ESM.pdf (438 kb)
Co/N co-doped graphene-like nanocarbon for highly efficient oxygen reduction electrocatalyst


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Copyright information

© Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Lei Liu (刘磊)
    • 1
  • Jian Zhang (张建)
    • 1
    • 2
  • Wujun Ma (麻伍军)
    • 3
  • Yunhui Huang (黄云辉)
    • 1
    Email author
  1. 1.School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhanChina
  2. 2.School of Materials Science and EngineeringNanyang Technological UniversitySingaporeSingapore
  3. 3.School of Chemistry, Biology and Materials EngineeringSuzhou University of Science and TechnologySuzhouChina

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