期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 20, 页码 10823-10827出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b01727
关键词
graphitic-carbon nitride; metal-free; oxygen reduction/evolution reaction; cathode; lithium oxygen battery
资金
- ALCA Project of JST Japan
The re-chargeable Li-O-2 batteries with high theoretical specific energy are :considered to be a promising energy storage system fox electric vehicle application. Because of the prohibitive cost, limited supply, and weak durability of precious metals, the developments of novel metal-free catalysts become significant. Herein, the graphitic-carbon nitride@carbon papers have been produced by a facile in situ method and explored as cathodes for Li-O-2 batteries, which manifest considerable electrocatalytic activity toward oxygen reduction reaction and oxygen evolution reaction in nonaqueous electrolytes because of their improved electronic conductivity and high nitrogen content. The assembled Li-O-2 batteries using graphitic-carbon nitride@carbon papers as cathodes deliver good rate capability and cycling stability with a capacity retention of more than 100 cycles.
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