液相还原法制备纳米镍粉

doi:10.11949/j.issn.0438-1157.20161073

化工学报 ›› 2016, Vol. 67 ›› Issue (S2): 386-393.DOI: 10.11949/j.issn.0438-1157.20161073

• 材料化学工程与纳米技术 • 上一篇下一篇

液相还原法制备纳米镍粉

杨勇, 董坤, 邵磊, 初广文, 孙宝昌, 邹海魁

北京化工大学有机无机复合材料国家重点实验室, 北京化工大学教育部超重力工程研究中心, 北京 100029

收稿日期:2016-07-28 修回日期:2016-11-23 出版日期:2016-12-30 发布日期:2016-12-30
通讯作者: 孙宝昌
基金资助:
国家自然科学基金项目（2140060589）。

Preparation of nanosized nickel powder by solution reduction

YANG Yong, DONG Kun, SHAO Lei, CHU Guangwen, SUN Baochang, ZOU Haikui

State Key Laboratory of Organic-Inorganic Composites, Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, Beijing 100029, China

Received:2016-07-28 Revised:2016-11-23 Online:2016-12-30 Published:2016-12-30
Supported by:
supported by the National Natural Science Foundation of China (2140060589).

摘要/Abstract

摘要：

采用液相还原法在搅拌反应器内进行了纳米镍粉的制备研究。系统考察了反应物浓度、反应物配比（N₂H₄：NiSO₄）、引发剂浓度、氢氧化钠浓度、反应温度、搅拌速度等操作条件对镍粉物性的影响规律，获得了较优操作条件：NiSO₄为0.8 mol·L^-1，反应物配比为6：1，NaBH₄浓度为0.01 mol·L^-1，NaOH浓度为1 mol·L^-1，反应温度80℃，搅拌速度为2400 r·min^-1，在较优条件下制备出常温下稳定性良好、平均粒径107 nm的面心立方结构的纳米镍粉。

关键词: 液相还原法, 纳米镍粉, NaBH₄, N₂H₄, 纳米粒子, 纳米技术, 合成

Abstract:

The preparation of nano nickel powder by solution reduction method in stirred reactor was proposed.The effects of different operating conditions including reactant concentration,reactant ratio,initiator concentration,sodium hydroxide concentration,reaction temperature,stirring speed on the characteristic of nano nickel powder were systematically investigated to obtain the optimal operating conditions.Nano nickel powder with a face centered cubic structure and an average particle size of 107 nm was obtained under the optimal operating conditions of a NiSO₄ concentration of 0.8 mol·L^-1,a reactant ratio(N₂H₄:NiSO₄) of 6:1,a initiator concentration of 0.01 mol·L^-1,sodium hydroxide concentration of 1 mol·L^-1,a reaction temperature of 80℃,a stirring speed of 2400 r·min^-1.

Key words: solution reduction method, nano nickel powder, NaBH₄, N₂H₄, nanoparticles, nanotechnology, synthesis

中图分类号:

TB031

杨勇, 董坤, 邵磊, 初广文, 孙宝昌, 邹海魁. 液相还原法制备纳米镍粉[J]. 化工学报, 2016, 67(S2): 386-393.

YANG Yong, DONG Kun, SHAO Lei, CHU Guangwen, SUN Baochang, ZOU Haikui. Preparation of nanosized nickel powder by solution reduction[J]. CIESC Journal, 2016, 67(S2): 386-393.

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液相还原法制备纳米镍粉

Preparation of nanosized nickel powder by solution reduction

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