journal article·2008-08-04

High Temperature Electrochemical Performance of Al-substituted α-Ni(OH)2

Yuan-Gang LIU

Journal of Inorganic Materials· Volume 23· Issue 2
Publisher page

Abstract

采用均相沉淀法合成了颗粒尺寸较小的Al代Ni(OH)2,并对Al代Ni(OH)2粉末的微观形貌、晶体结构、化学组成及高温电化学性能进行了研究.结果表明,实验制备的Al代Ni(OH)2属于稳态α型结构,微观颗粒由纳米级纤维束组成,其化学式可表示为Ni(0.70)Al(0.18)(OH)(1.6)(CO3)(0.1)(SO4)(0.07)·(H2O)(0.6),在MH-Ni电池中制备的正极具有较好的高温充电效率和循环性能,60℃时的析氧电位较高,放电容量比25℃仅衰减15mAh/g,晶型结构稳定,60℃循环95次后仍保持以α相为主的晶态结构.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Layered Double Hydroxides Synthesis and Applications · Supercapacitor Materials and Fabrication · Mesoporous Materials and Catalysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (14)

Show source-provided references
4. Kumar V G
8. Cheng F Y
14. Hu W K