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Citation: LÜ De-Yi, XU Zhu-De, XU Li-Ping, GE Zhong-Hua. Oxidation Stability of Carbon Nanotubes and Reaction Kinetics[J]. Chinese Journal of Applied Chemistry, ;2002, 19(10): 1005-1007. shu

Oxidation Stability of Carbon Nanotubes and Reaction Kinetics

LÜ De-Yi ^a,b ,
XU Zhu-De ^b,, ,
XU Li-Ping ^a ,
GE Zhong-Hua ^a

1.
a Department of Chemical Engineering, Zhejiang University of Technology, Hangzhou;
2.
b Department of Chemistry, Zhejiang University, Hangzhou 310027

Corresponding author: XU Zhu-De,
Received Date: 5 February 2002
Available Online: 10 May 2002
Fund Project: 浙江省自然科学基金(500105)资助项目 (500105)

The oxidation stability and reaction kinetics of multi-wall carbon nanotubes(MWCNTs), graphite and C₆₀ have been studied by TG-DTA techniques. The maximum mass losses were found at 673℃(carbon nanotubes), 846℃(graphite) and 628℃(C₆₀), respectively, at a heating rate of 10℃/min. The apparent activation energy of the oxidation reaction of carbon nanotubes, graphite and C₆₀ are E(MWCNTs)=143.5 kJ/mol、 E(graphite)=180.7 kJ/mol、 E(C₆₀)=90.9 kJ/mol, respectively. The reaction order of the oxidation reaction of carbon nanotubes, graphite and C₆₀ are n(MWCNTs)=3/5、n(graphite)=1/2、n(C₆₀)=1/2, respectively. In conclusion, graphite has the best resistance to oxidation, but C₆₀ the weakest.
- carbon nanotube,
- oxidation stability,
- kinetics
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