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Preparation of CaSn(OH)6 Deposition on Calcium Zincate Surface and Application in Zinc-Nickel Secondary Battery
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Wei QIN1, Xiaohua YU1, Shuanglin YU2, Wenzhi ZHANG1, Zhanxin WU1, Qingfen SHEN1, Gang XIE1, 3
Journal of the Chinese Ceramic Society | 2023, 51(4) : 1025 - 1033
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Journal of the Chinese Ceramic Society | 2023, 51(4): 1025-1033
• Research Articles •
Preparation of CaSn(OH)6 Deposition on Calcium Zincate Surface and Application in Zinc-Nickel Secondary Battery
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Wei QIN1, Xiaohua YU1, Shuanglin YU2, Wenzhi ZHANG1, Zhanxin WU1, Qingfen SHEN1, Gang XIE1, 3
Affiliations
  • 1.Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China
  • 2.Baise Quality Inspection and Testing Institute, Baise 533002, Guangxi, China
  • 3.State Key Laboratory of Common Associated Non-ferrous Metal Resources Pressure Hydrometallurgy Technology, Kunming 650503, China

    • QIN Wei (1997-), male, Master candidate. E-mail:

About Author:

QIN Wei (1997-), male, Master candidate. E-mail:

Published: 2023-04-20 doi: 10.14062/j.issn.0454-5648.20220717
Outline
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In order to improve the serious polarization problem of zinc negative electrode in zinc-nickel secondary batteries and to improve the electrochemical performance and cycling stability of zinc negative electrode, a hydrothermal-coprecipitation method was used to prepare CaSn(OH)6 deposited on the surface of calcium zincate and used as a negative active substance of zinc-nickel batteries. The results show that the hydrothermal-coprecipitation method can be used to deposit CaSn(OH)6 on the surface of calcium zincate, and the prepared calcium zincate has a high crystallinity. Based on the cyclic voltammetry test, the addition of CaSn(OH)6 reduces the charge transfer resistance of calcium zincate and is beneficial to accelerating the electrochemical reaction rate of calcium zincate in alkaline electrolyte, thus improving the discharge rate in the reaction process. The results of electrochemical impedance spectroscopy confirm that calcium zincate with CaSn(OH)6 deposited on the surface electrode charge transfers impedance less rather than that of pure calcium zincate. The capacity retention rate of the battery is 85.34% after 70 charge discharge cycles at 0.2 C when calcium zincate with CaSn(OH)6 deposited on the surface is used as a negative active material of Zn-Ni battery.

calcium zincate  /  hydrothermal-coprecipitation method  /  zinc-nickel batteries  /  electrochemical properties
秦炜, 俞小花, 俞双林, 张文之, 吴占新, 沈庆峰, 谢刚. 锌酸钙表面沉积CaSn(OH)6的制备及锌镍二次电池应用. 硅酸盐学报, 2023 , 51 (4) : 1025 -1033 . DOI: 10.14062/j.issn.0454-5648.20220717
Wei QIN, Xiaohua YU, Shuanglin YU, Wenzhi ZHANG, Zhanxin WU, Qingfen SHEN, Gang XIE. Preparation of CaSn(OH)6 Deposition on Calcium Zincate Surface and Application in Zinc-Nickel Secondary Battery[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (4) : 1025 -1033 . DOI: 10.14062/j.issn.0454-5648.20220717
Appendix
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Year 2023 volume 51 Issue 4
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Article Info
doi: 10.14062/j.issn.0454-5648.20220717
  • Receive Date：2022-09-01
  • Online Date：2026-10-20
  • Published：2023-04-20
Article Data
Affiliations
History
  • Received：2022-09-01
  • Revised：2022-12-03
Funding
Affiliations
    1.Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, China
    2.Baise Quality Inspection and Testing Institute, Baise 533002, Guangxi, China
    3.State Key Laboratory of Common Associated Non-ferrous Metal Resources Pressure Hydrometallurgy Technology, Kunming 650503, China

Corresponding:

YU Xiaohua (1978-), female, Associate Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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