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Synthesis of Cu/Ti Doped NaNi0.4Mn0.4Cu0.1Ti0.1O2 and Its Electrochemical Performance
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Chengzuan LIU1, Kui WANG2, 3, 4, Zejun JIANG3, 5
Mining and Metallurgical Engineering | 2026, 46(1) : 202 - 206
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Mining and Metallurgical Engineering | 2026, 46(1): 202-206
• MATERIALS •
Synthesis of Cu/Ti Doped NaNi0.4Mn0.4Cu0.1Ti0.1O2 and Its Electrochemical Performance
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Chengzuan LIU1, Kui WANG2, 3, 4, Zejun JIANG3, 5
Affiliations
  • 1.Guilin University of Technology at Nanning, Nanning 530001, Guangxi, China
  • 2.Guangxi Guiwu Jin'an Refrigeration & Air Conditioning Technology Co., Ltd., Nanning 530200, Guangxi, China
  • 3.Guangxi Engineering Research Center for Photovoltaic, Energy Storage, Direct Current and Flexibility, Nanning 530007, Guangxi, China
  • 4.Guangxi Guiwu Energy Conservation Co., Ltd., Nanning 530200, Guangxi, China
  • 5.School of Green Building and Low-Carbon Technology, Guangxi Technological College of Machinery and Electricity, Nanning 530007, Guangxi, China
doi: 10.3969/j.issn.0253-6099.2026.01.034
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Considering collapse in crystalline structure and low diffusion rate of ions during the cycling of O3-NaNi0.5Mn0.5O2 cathode material, a Cu2+-Ti4+ doped NaNi0.4Mn0.4Cu0.1Ti0.1O2 cathode material for sodium-ion batteries was synthesized by adopting a high-temperature solid-state reaction. Effects of doping with transition metal ions (Cu2+ and Ti4+) on the crystal structure, microstructure, and electrochemical performance of NaNi0.5Mn0.5O2 were explored. Results reveal that the NaNi0.4Mn0.4Cu0.1Ti0.1O2 cathode material has a lamellar structure. Within a voltage range of 2-4 V, it delivers an initial discharge specific capacity of 96.7 mAh/g at 0.1C, and presents smooth charge/discharge curves, indicating fewer phase transition for NaNi0.4Mn0.4Cu0.1Ti0.1O2. After 100 cycles at 0.1C, the capacity retention rate remains at 75.5%. In contrast, NaNi0.5Mn0.5O2 cathode material delivers an initial discharge specific capacity of 88.8 mAh/g and retains 61.3% of such capacity under the same testing conditions.

sodium-ion battery  /  cathode materials  /  NaNi0.4Mn0.4Cu0.1Ti0.1O2  /  transition metal ions  /  dual-metal doping  /  ion doping
刘呈缵, 王魁, 蒋泽军. Cu/Ti掺杂的NaNi0.4Mn0.4Cu0.1Ti0.1O2制备及其电化学性能研究. 矿冶工程杂志, 2026 , 46 (1) : 202 -206 . DOI: 10.3969/j.issn.0253-6099.2026.01.034
Chengzuan LIU, Kui WANG, Zejun JIANG. Synthesis of Cu/Ti Doped NaNi0.4Mn0.4Cu0.1Ti0.1O2 and Its Electrochemical Performance[J]. Mining and Metallurgical Engineering, 2026 , 46 (1) : 202 -206 . DOI: 10.3969/j.issn.0253-6099.2026.01.034
Appendix
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Year 2026 volume 46 Issue 1
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Article Info
doi: 10.3969/j.issn.0253-6099.2026.01.034
  • Receive Date：2025-07-30
  • Online Date：2026-10-08
Article Data
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  • Received：2025-07-30
Affiliations
    1.Guilin University of Technology at Nanning, Nanning 530001, Guangxi, China
    2.Guangxi Guiwu Jin'an Refrigeration & Air Conditioning Technology Co., Ltd., Nanning 530200, Guangxi, China
    3.Guangxi Engineering Research Center for Photovoltaic, Energy Storage, Direct Current and Flexibility, Nanning 530007, Guangxi, China
    4.Guangxi Guiwu Energy Conservation Co., Ltd., Nanning 530200, Guangxi, China
    5.School of Green Building and Low-Carbon Technology, Guangxi Technological College of Machinery and Electricity, Nanning 530007, Guangxi, 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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