Spinel MnCo2O4 nanospheres as an effective cathode electrocatalyst for rechargeable lithium-oxygen batteries

Lu Zou, Junfang Cheng, Yuexing Jiang, Yingpeng Gong*, Bo Chi, Jian Pu, Li Jian

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)


The air cathode is vital for lithium-oxygen batteries (LOBs) to achieve high performance, which will facilitate the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) during the discharge and charge processes. In this paper, MnCo2O4 nanospheres prepared through the hydroxide co-precipitation method are investigated as an effective electrocatalyst for the ORR and OER in non-aqueous LOBs. The results show that a non-aqueous LOB with the electrocatalyst exhibits an excellent discharge capacity of 8518 mA h gcathode-1 with a narrow voltage gap of 0.85 V between the discharge and charge plateaus at a current density 100 mA gcathode-1, and can deliver cycling stability over 20 cycles. This study shows that MnCo2O4 nanospheres can be a promising cathode electrocatalyst in rechargeable lithium-oxygen batteries due to its enhanced catalytic activity towards the ORR and OER.

Original languageEnglish
Pages (from-to)31248-31255
Number of pages8
JournalRSC Advances
Issue number37
Publication statusPublished - 2016
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)


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