期刊
ACS APPLIED MATERIALS & INTERFACES
卷 10, 期 3, 页码 2574-2580出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b16416
关键词
gallium nitride; nanowires; graphite layer; CVD; pseudocapacitive; lithium-ion batteries
资金
- NSFC [51572153, 51602177]
- Major Basic Program of the Natural Science Foundation of Shandong Province [ZR2017ZB0317]
hi this work, gallium nitride (GaN) nanowires (NWs) were synthesized by chemical vapor deposition (CVD) process. The hybrid electrode showed the capacity up to 486 mAh g(-1) after 400 cycles at 0.1 A g(-1). Even at 10 A g(-1), the reversible capacity can stabilize at 75 mAh g(-1) (after 1000 cycles). Pseudocapacitive capacity was defined by kinetics analysis. The dynamics analysis and electrochemical reaction mechanism of GaN with Li+ was also analyzed by ex situ XRD, HRTEM, and XPS results. These results not only east new light on pseudocapacitance enhanced high-rate energy storage devices by self-assembled nanoengineering but also extend the application range of traditional binary III/V semiconductors.
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