NiO-Al2O3 aerogel from (CH2O)2Ni and AlOOH sol

被引：22

作者：

Osaki, T ^{[1
]}

Horiuchi, T ^{[1
]}

Sugiyama, T ^{[1
]}

Suzuki, K ^{[1
]}

Mori, T ^{[1
]}

机构：

[1] Natl Ind Res Inst Nagoya, Kita Ku, Nagoya, Aichi 462, Japan

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1998年 / 225卷 / 01期

关键词：

NiO-Al2O3; aerogel; supercritical drying; sol-gel; AlOOH; (CH2O)(2)Ni;

D O I：

10.1016/S0022-3093(98)00015-5

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A nickel-alumina aerogel with fine Ni particles was synthesized. A uniform and monolithic NiO-Al2O3 aerogel was prepared from a mixture of cyclic nickel glycoxide, (CH2O)(2)Ni, and boehmite sol by increasing the pH gradually. The gel was allowed to stand in ethanol for 3 days, followed by supercritical drying with ethanol and subsequent calcination. Ni was uniformly incorporated throughout the alumina where both the metal and the support exist in the aerogel forms, i.e., Ni-O-Al bond was considered to be formed in the NiO-Al2O3 aerogel. (C) 1998 Elsevier Science B.V. All rights reserved.

引用

页码：111 / 114

页数：4