Supercapacitor electrodes with especially high rate capability and cyclability based on a novel Pt nanosphere and cysteine-generated graphene
Dacheng ZhangInstitute of Electrical Engineering, Chinese Academy of Sciences, Beijing, 100190, ChinaXiong ZhangInstitute of Electrical Engineering, Chinese Academy of Sciences, Beijing, ChinaYao ChenInstitute of Electrical Engineering, Chinese Academy of Sciences, Beijing, ChinaChanghui WangInstitute of Electrical Engineering, Chinese Academy of Sciences, Beijing, ChinaYanwei MaInstitute of Electrical Engineering, Chinese Academy of Sciences, Beijing, ChinaHuanli DongInstitute of Chemistry, Chinese Academy of Sciences, Beijing, ChinaLang JiangInstitute of Chemistry, Chinese Academy of Sciences, Beijing, ChinaQing MengInstitute of Chemistry, Chinese Academy of Sciences, Beijing, ChinaWenping HuInstitute of Chemistry, Chinese Academy of Sciences, Beijing, China
2012en
ABI
Аннотация
In the present work, supercapacitors based on graphene/Pt films show especially high rate capability (120 F g(-1) even at 50 A g(-1)) and cyclability (no attenuation over 10,000 cycles) and peculiar nanosphere morphology after electrochemical cycling. Furthermore, supercapacitors based on the graphene powder with a binder exhibit high specific capacitance (249 F g(-1) at 0.1 A g(-1)), long cycle life (no attenuation over 40,000 cycles) and high rate capability (150 F g(-1) even at 50 A g(-1)), which are much better than those of most graphene electrode materials. These indicate the great potential of the cysteine reduced graphene electrodes in energy storage.
Перевод пока недоступен
Идентификаторы
Цитирования и источники
Цитирований: 2Использованных источников: 0