High Temperature Electrochemical Performance of Al-substituted α-Ni(OH)2
Source abstract
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
1. Akinc M10.1016/S0955-2219(98)00034-X ↗
2. Wang X Y10.1016/S0378-7753(02)00649-3 ↗
4. Kumar V G
5. Jayashree R S10.1023/A:1003493711239 ↗
6. Liu B10.1016/S0378-7753(99)00053-1 ↗
7. Acharya R10.1016/S0254-0584(03)00091-9 ↗
8. Cheng F Y
9. Dai J X10.1016/S0378-7753(00)00391-8 ↗
10. Acharya R10.1016/S0167-577X(03)00002-8 ↗
11. Zhao Y L10.1016/j.ijhydene.2003.10.006 ↗
12. He X M10.1149/1.2161581 ↗
13. Fierro C10.1149/1.2161577 ↗
14. Hu W K