Preparation of Nano-scale Ni(OH)2 Based on Controlled Crystallization

Journal of Inorganic Materials

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Preparation of Nano-scale Ni(OH)₂ Based on Controlled Crystallization

HE Xiang-Ming, LI Jian-Jun, CHENG Hong-Wei, JIANG Chang-Yin, WAN Chun-Rong

Materials Chemistry Lab, INET, Tsinghua University, Beijing 102201, China

Received:2004-10-10 Revised:2004-12-27 Published:2005-11-20 Online:2005-11-20

Abstract

Abstract: The dispersive nano-scale Ni(OH)₂ was synthesized by a improved controlled crystallization process and dehydrated by azeotropic distillation with n-butanol. The pH value and temperature of controlled
crystallization were optimized to be 11.0 and 45℃, respectively. As-prepared nano-scale Ni(OH)₂ was dispersive, of 20nm size, and characterized by both TEM and XRD analysis.
It had discharge capacity in excess of 258mAh·g^-1.

Key words: nano-scale, nickel hydroxide, controlled crystallization, dispersive

CLC Number:

TM912

HE Xiang-Ming,LI Jian-Jun,CHENG Hong-Wei,JIANG Chang-Yin,WAN Chun-Rong. Preparation of Nano-scale Ni(OH)₂ Based on Controlled Crystallization[J]. Journal of Inorganic Materials.

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Preparation of Nano-scale Ni(OH)₂ Based on Controlled Crystallization

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