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Property Comparison of Porous Graphite Nanopowders Prepared by Detonation Splitting Technique with Different Acid Content
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Gui-Lei SUN1, 2, Xiao-Jie LI2, Hong-Hao YAN2, Xiao-Hong WANG2, De-An JIANG2
Chinese Journal of High Pressure Physics | 2008, 22(4) : 397 - 401
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Chinese Journal of High Pressure Physics | 2008, 22(4): 397-401
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Property Comparison of Porous Graphite Nanopowders Prepared by Detonation Splitting Technique with Different Acid Content
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Gui-Lei SUN1, 2, Xiao-Jie LI2, Hong-Hao YAN2, Xiao-Hong WANG2, De-An JIANG2
Affiliations
  • 1.China Institute of Industrial Relations, Beijing 100037, China
  • 2.State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Dalian 116023, China

    • SUN Gui-Lei (1980—), male, engaged in nanocarbon materials researching. E-mail:

About Author:

SUN Gui-Lei (1980—), male, engaged in nanocarbon materials researching. E-mail:

Published: 2008-12-05
Outline
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N2 adsorption/desorption isotherms and pore diameter distribution of the porous graphite nanopowders, prepared by detonation splitting technique with different acid content in raw materials, were analyzed using Brunauer-Emmet-Teller (BET) equation and Barrett-Joyner-Halenda (BJH) method. The results indicate that there exists hysteresis phenomenon in the product isotherms and the corresponding BET surface area is 5.3~9.2 times of the natural flake graphite which is increasing with the acid content in raw materials. The difference of the BET surface area among the detonation soot is mainly caused by the pore of which diameter distributes between 3 nm and 7 nm. Moreover, the amount of the pore size at about 4 nm arrived at the maximum after detonation. In addition, the research provides sorption capacity information for application and at the same time it also proves that acid has perfect impact on preparing graphite nanopowders.

graphite nanopowders  /  adsorption/desorption isotherms  /  pore size distribution  /  detonation technique
孙贵磊, 李晓杰, 闫鸿浩, 王小红, 江德安. 爆轰裂解法制备纳米石墨粉的吸附性能研究. 高压物理学报, 2008 , 22 (4) : 397 -401 .
Gui-Lei SUN, Xiao-Jie LI, Hong-Hao YAN, Xiao-Hong WANG, De-An JIANG. Property Comparison of Porous Graphite Nanopowders Prepared by Detonation Splitting Technique with Different Acid Content[J]. Chinese Journal of High Pressure Physics, 2008 , 22 (4) : 397 -401 .
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Funding
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  • National Natural Science Foundation(10572034; 10602013)
References
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Year 2008 volume 22 Issue 4
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Article Info
  • Receive Date：2007-06-25
  • Online Date：2026-10-30
  • Published：2008-12-05
Article Data
Affiliations
History
  • Received：2007-06-25
  • Revised：2007-09-04
Funding
National Natural Science Foundation(10572034; 10602013)
Affiliations
    1.China Institute of Industrial Relations, Beijing 100037, China
    2.State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Dalian 116023, China

Corresponding:

LI Xiao-Jie (1963—), male, PH.D., professor, engaged in explosion mechanics, reaching on material synthesis. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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