Pyrolysis of hollow carbons on melted catalyst

被引：109

作者：

Kovalevski, VV ^{[1
]}

Safronov, AN

机构：

[1] Russian Acad Sci, Karelian Res Ctr, Inst Geol, Petrozavodsk 185610, Russia

[2] Arizona State Univ, Dept Chem & Geol, Tempe, AZ 85287 USA

来源：

CARBON | 1998年 / 36卷 / 7-8期

基金：

美国国家科学基金会; 俄罗斯基础研究基金会;

关键词：

catalytically grown carbon; pyrolysis; transmission electron microscopy (TEM); microstructure;

D O I：

10.1016/S0008-6223(97)00223-6

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Pyrolysis of hydrocarbon compounds on evaporated metal-based catalysts was used to produce carbon shells, hollow fibers and other hollow carbon forms. The carbon structures were investigated using transmission electron microscopy. A kinetic model for their formation and the mechanisms for obtaining different types of hollow carbons are proposed. In this model two competing processes, the linear growth rate of the carbon and the catalyst outlet rate relative to the growing carbon, determine the type of hollow carbon that forms. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：963 / 968

页数：6

共 38 条

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