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Electrochemiacal Performance of NaNi0.5Mn0.5O2 Material Synthesized by Different Methods
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Shihe SHI1, 2, Shiwei BAI1, 2, Bo YANG1, 2, Qianhui WU1, 2, Qingrong CHEN1, 2, Zhijian LIAO1, 2, Shengkui ZHONG1, 2, Jiequn LIU1, 2
Mining and Metallurgical Engineering | 2024, 44(4) : 13 - 17
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Mining and Metallurgical Engineering | 2024, 44(4): 13-17
• SPECIAL ISSUE: BATTERY MATERIALS •
Electrochemiacal Performance of NaNi0.5Mn0.5O2 Material Synthesized by Different Methods
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Shihe SHI1, 2, Shiwei BAI1, 2, Bo YANG1, 2, Qianhui WU1, 2, Qingrong CHEN1, 2, Zhijian LIAO1, 2, Shengkui ZHONG1, 2, Jiequn LIU1, 2
Affiliations
  • 1.College of Marine Science and Technology, Hainan Tropical Ocean University, Sanya 572022, Hainan, China
  • 2.Yazhou Bay Innovation Research Institute, Sanya 572022, Hainan, China
Published: 2024-08-01 doi: 10.3969/j.issn.0253-6099.2024.04.003
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A cathode material (NaNi0.5Mn0.5O2) for sodium-ion batteries was synthesized by adopting solid-state, co-precipitation and sol-gel methods, and the effects of synthesis methods on crystal structure, microscopic morphology and electrochemical performance of the cathode material were also explored. The results show that the materials synthesized respectively by those three methods all have O3-type structure, but exhibit different morphology. The cathode material synthesized by solid-state method has a special layered structure, which is conducive to sodium ion de-intercalation. The cathode materials synthesized by solid-state, co-precipitation and sol-gel methods, respectively, deliver an initial specific discharge capacity of 96.1 mAh/g, 92.8 mAh/g and 92.3 mAh/g at 0.1C, with retention rate of 64.3%, 46.5% and 36.5% respectively after 100 cycles at 0.5C. It is concluded that the solid-state synthesis is an appropriate method.

sodium-ion battery  /  cathode material  /  NaNi0.5Mn0.5O2  /  solid-state synthesis  /  co-precipitation synthesis  /  sol-gel synthesis
Shihe SHI, Shiwei BAI, Bo YANG, Qianhui WU, Qingrong CHEN, Zhijian LIAO, Shengkui ZHONG, Jiequn LIU. Electrochemiacal Performance of NaNi0.5Mn0.5O2 Material Synthesized by Different Methods[J]. Mining and Metallurgical Engineering, 2024 , 44 (4) : 13 -17 . DOI: 10.3969/j.issn.0253-6099.2024.04.003
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Year 2024 volume 44 Issue 4
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Article Info
doi: 10.3969/j.issn.0253-6099.2024.04.003
  • Receive Date：2024-02-05
  • Online Date：2026-03-18
  • Published：2024-08-01
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  • Received：2024-02-05
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Affiliations
    1.College of Marine Science and Technology, Hainan Tropical Ocean University, Sanya 572022, Hainan, China
    2.Yazhou Bay Innovation Research Institute, Sanya 572022, Hainan, 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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