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Electrochemical Energy Storage Performance of Nickel Oxalate Prepared by Precipitation Method
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Linghua JIN1, Huiyuan YANG1, Xiaojie CHEN1, Weike WANG2, 3, Jian LI1, Ye ZHANG1
Journal of the Chinese Ceramic Society | 2022, 50(11) : 2917 - 2923
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Journal of the Chinese Ceramic Society | 2022, 50(11): 2917-2923
• Research Articles •
Electrochemical Energy Storage Performance of Nickel Oxalate Prepared by Precipitation Method
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Linghua JIN1, Huiyuan YANG1, Xiaojie CHEN1, Weike WANG2, 3, Jian LI1, Ye ZHANG1
Affiliations
  • 1.School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, Hunan, China
  • 2.Nanchang Institute of Technology, Nanchang 330044, Jiangxi, China
  • 3.School of Physics and Electronics, Hunan Normal University, Changsha 410081, China

    • JIN Linghua (1985-), male, Ph.D., Associate Professor. E-mail:

About Author:

JIN Linghua (1985-), male, Ph.D., Associate Professor. E-mail:

Published: 2022-11-20 doi: 10.14062/j.issn.0454-5648.20220284
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The development of cathode materials with excellent electrochemical properties is crucial for the application of hybrid supercapacitors. NiC2O4·2H2O cathode material was synthesized by a precipitation method, and its microstructure, morphology and electrochemical performance were investigated. The results show that NiC2O4·2H2O exhibits a unique polyhedral particle structure, the particle sizes are 0.5-2.0 μm, and each particle is composed of polycrystals, thus achieving a high specific capacity of 1 096.2 F/g at a current density of 1 A/g. The assembled nickel oxalate//activated carbon hybrid supercapacitor still maintains an energy density of 10.2 Wh/kg at a high power density of 3.7 kW/kg. Connecting two hybrid devices in series can light up green and yellow LEDs. This demonstrates that NiC2O4·2H2O has potential application prospects in electrochemical energy storage as a novel, low-cost and environmentally friendly cathode material.

nickel oxalate  /  precipitation method  /  electrode material  /  hybrid supercapacitors
金灵华, 杨惠媛, 陈小洁, 王伟科, 李健, 张也. 沉淀法制备草酸镍及其电化学储能性能. 硅酸盐学报, 2022 , 50 (11) : 2917 -2923 . DOI: 10.14062/j.issn.0454-5648.20220284
Linghua JIN, Huiyuan YANG, Xiaojie CHEN, Weike WANG, Jian LI, Ye ZHANG. Electrochemical Energy Storage Performance of Nickel Oxalate Prepared by Precipitation Method[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (11) : 2917 -2923 . DOI: 10.14062/j.issn.0454-5648.20220284
Appendix
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Year 2022 volume 50 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20220284
  • Receive Date：2022-04-13
  • Online Date：2026-10-20
  • Published：2022-11-20
Article Data
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History
  • Received：2022-04-13
  • Revised：2022-05-14
Funding
Affiliations
    1.School of Chemistry and Chemical Engineering, University of South China, Hengyang 421001, Hunan, China
    2.Nanchang Institute of Technology, Nanchang 330044, Jiangxi, China
    3.School of Physics and Electronics, Hunan Normal University, Changsha 410081, China
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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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