Mechanism of Co3O4/graphene catalytic activity in Li-O2 batteries using carbonate based electrolytes
- Mechanism of Co3O4/graphene catalytic activity in Li-O2 batteries using carbonate based electrolytes
- 임희대; 권혁조; 김해겸; 김성욱; 윤태호; 최장욱; 오승모; 강기석
- Issue Date
- Electrochimica acta
- VOL 90-70
- We synthesized a hybrid graphene/Co3O4 catalyst by a simple chemical reduction method, and demonstrated that a Li– O2 cell with the hybrid catalyst delivers a highly reversible capacity. We examined the role of the catalyst in Li– O2 batteries and through careful analyses of the reactions in the battery, we found that the reaction path fundamentally changes with the use of catalyst, and propose a mechanism of how the rechargeability is improved in Li– O2 batteries
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