Journal
CHEMICAL COMMUNICATIONS
Volume 50, Issue 12, Pages 1497-1499Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc48207c
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Funding
- National 973 [2011CB935900]
- National 863 [2011AA050704]
- NSFC [21231005, 21322101]
- 111 Project [B12015]
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We report a facile synthesis method of preparing interconnected porous CaMnO3 nanostructures and their utilization as new cathode catalysts in rechargeable lithium-oxygen (Li-O-2) batteries. The CaMnO3-based electrode enables much enhanced cyclability with a 620 mV smaller discharge-recharge voltage gap than that of the carbon-only cathode at a current rate of 50 mA g(carbon)(-1). The improved performance is attributed to the high electrocatalytic activity of CaMnO3 with a porous nanostructure.
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