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Effect of Modified Trimanganese Tetroxide on Electrochemical Performance of Spinel Lithium Manganate
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Xuezhen XIE1, 2, Hui CHEN1, 2, Youming YE1, 2, Yuru WEN1, 2, Haohao MA1, 2, Jun ZENG1, 2
Mining and Metallurgical Engineering | 2024, 44(4) : 31 - 35
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Mining and Metallurgical Engineering | 2024, 44(4): 31-35
• SPECIAL ISSUE: BATTERY MATERIALS •
Effect of Modified Trimanganese Tetroxide on Electrochemical Performance of Spinel Lithium Manganate
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Xuezhen XIE1, 2, Hui CHEN1, 2, Youming YE1, 2, Yuru WEN1, 2, Haohao MA1, 2, Jun ZENG1, 2
Affiliations
  • 1.Guangxi Science & Technology Normal University, Laibing 546199, Guangxi, China
  • 2.Guangxi Key Laboratory of Green Preparation and Application of Inorganic Materials, Laibin 546199, Guangxi, China
Published: 2024-08-01 doi: 10.3969/j.issn.0253-6099.2024.04.006
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With manganese sulfate as raw material and hexadecyl trimethyl ammonium bromide as modifier, trimanganese tetroxide was synthesized by complex-precipitation method, with which lithium manganate cathode material was then synthesized by high-temperature solid-state reaction. The effects of modifier amount on the morphology and particle size of trimanganese tetroxide and the specific discharge capacity of lithium manganate cathode material were all discussed. Results show that serious particle agglomeration can occur in the trimanganese tetroxide synthesized without modifier. With 3.0 g/L hexadecyl trimethyl ammonium bromide as the modifier, the synthesized trimanganese tetroxide has uniform particle size, and is dispersed without any agglomeration. Spinel lithium manganate was synthesized with the self-made modified trimanganese tetroxide, and then compared with the spinel lithium manganate synthesized with three kinds of trimanganese tetroxide available on the market. The results show that the lithium manganate synthesized with the self-made modified trimanganese tetroxide can present better electrochemical performance, delivering an initial discharge capacity of 120.43 mAh/g, with a retention rate of 96.79% after 50 cycles at 1C.

cathode material  /  lithium manganate  /  modifier  /  trimanganese tetroxide  /  complex-precipitation method  /  high-temperature solid-state reaction
Xuezhen XIE, Hui CHEN, Youming YE, Yuru WEN, Haohao MA, Jun ZENG. Effect of Modified Trimanganese Tetroxide on Electrochemical Performance of Spinel Lithium Manganate[J]. Mining and Metallurgical Engineering, 2024 , 44 (4) : 31 -35 . DOI: 10.3969/j.issn.0253-6099.2024.04.006
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Year 2024 volume 44 Issue 4
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Article Info
doi: 10.3969/j.issn.0253-6099.2024.04.006
  • Receive Date：2024-02-06
  • Online Date：2026-03-18
  • Published：2024-08-01
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  • Received：2024-02-06
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    1.Guangxi Science & Technology Normal University, Laibing 546199, Guangxi, China
    2.Guangxi Key Laboratory of Green Preparation and Application of Inorganic Materials, Laibin 546199, Guangxi, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2024.04.006
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Citations
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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