Synthesis of nanoscale LiCoPO4/C between few-layer graphene and its influence on electrochemical performance for lithium-ion batteries

Li, Zhiyi; Sun, Haili; Wei, Wei; Liu, Fengxia; Xu, Xiaofei; Liu, Zhijun

doi:10.1016/j.jallcom.2023.173127

Journal of Alloys and Compounds

2024

DOI: 10.1016/j.jallcom.2023.173127

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Synthesis of nanoscale LiCoPO4/C between few-layer graphene and its influence on electrochemical performance for lithium-ion batteries

Zhiyi Li,

Haili Sun,

Wei Wei

et al.

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2024

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Diammonium Hydrogen Citrate-Assisted Spray Pyrolysis Synthesis of Nanostructured LiCoPO₄ Microspheres as High-Voltage Cathode Material for Lithium-Ion Batteries

Belgibayeva,

Nagashima,

Cui

et al. 2024

ACS Omega

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Nanostructured LiCoPO4 (LCP) microspheres were successfully synthesized by one-step spray pyrolysis, adding an appropriate amount of diammonium hydrogen citrate (DHC) additive to the precursor solution. Comprehensive physical characterization confirmed that the obtained LCPs exhibited a desirable orthorhombic olivine structure with nanostructured morphology and a significant increase in specific surface area. This enhancement was attributed to the dispersion effect due to the carboxyl group and the evolution of the ammonium group of DHC during the pyrolysis process. The resultant LCP delivered a high initial discharge capacity of 132 mA h g–1 with 63.3% capacity retention (vs 103 mA h g–1 and 37.1% of bare-LCP) after 50 cycles at 0.1 C using the conventional electrolyte. Moreover, the electrochemical performance showed additional enhancement when a fluorinated electrolyte was introduced, resulting in initial and 50th discharge capacities of 141 and about 100 mA h g–1, respectively, at 0.1 C.

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Diammonium Hydrogen Citrate-Assisted Spray Pyrolysis Synthesis of Nanostructured LiCoPO₄ Microspheres as High-Voltage Cathode Material for Lithium-Ion Batteries

Belgibayeva,

Nagashima,

Cui

et al. 2024

ACS Omega

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Synthesis of nanoscale LiCoPO4/C between few-layer graphene and its influence on electrochemical performance for lithium-ion batteries

Cited by 1 publication

References 22 publications

Diammonium Hydrogen Citrate-Assisted Spray Pyrolysis Synthesis of Nanostructured LiCoPO₄ Microspheres as High-Voltage Cathode Material for Lithium-Ion Batteries

Diammonium Hydrogen Citrate-Assisted Spray Pyrolysis Synthesis of Nanostructured LiCoPO₄ Microspheres as High-Voltage Cathode Material for Lithium-Ion Batteries

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Synthesis of nanoscale LiCoPO4/C between few-layer graphene and its influence on electrochemical performance for lithium-ion batteries

Cited by 1 publication

References 22 publications

Diammonium Hydrogen Citrate-Assisted Spray Pyrolysis Synthesis of Nanostructured LiCoPO4 Microspheres as High-Voltage Cathode Material for Lithium-Ion Batteries

Diammonium Hydrogen Citrate-Assisted Spray Pyrolysis Synthesis of Nanostructured LiCoPO4 Microspheres as High-Voltage Cathode Material for Lithium-Ion Batteries

Contact Info

Product

Resources

About

Diammonium Hydrogen Citrate-Assisted Spray Pyrolysis Synthesis of Nanostructured LiCoPO₄ Microspheres as High-Voltage Cathode Material for Lithium-Ion Batteries

Diammonium Hydrogen Citrate-Assisted Spray Pyrolysis Synthesis of Nanostructured LiCoPO₄ Microspheres as High-Voltage Cathode Material for Lithium-Ion Batteries