Electrochemistry
Online ISSN : 2186-2451
Print ISSN : 1344-3542
報文
Synthesis of Carbon Nanotube/Graphene Composites on Ni Foam without Additional Catalysts by CVD and their Nitrogen-Plasma Treatment for Anode Materials in Lithium-ion Batteries
Chuen-Chang LINPing-Lin CHANG
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ジャーナル オープンアクセス

86 巻 (2018) 3 号 p. 109-115

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To simultaneously synthesize carbon nanotubes and graphene on nickel foam without additional catalysts, one-step ambient pressure chemical vapor deposition (CVD) is used to grow them at different temperatures. Next, adding nitrogen-doped defects to the surface of the carbon nanotube/graphene composites, the carbon nanotube/graphene composites are modified by RF (radio frequency) nitrogen-plasma treatment at different power levels and time periods. Carbon nanotubes and graphene are simultaneously synthesized by CVD at 800°C. Furthermore, the specific capacity (618 mAh g−1) reaches a maximum at the nitrogen-plasma treatment conditions (power = 100 W and time = 15 min). Moreover, it also shows the nearly double improvement of the specific capacity and higher electrochemical stability after carbon nanotube/graphene composites are treated by nitrogen-plasma.

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© 2018 The Electrochemical Society of Japan
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