Direct regeneration of fluorine-doped carbon-coated LiFePO<sub>4</sub> cathode materials from spent lithium-ion batteries

Yurong Han; Yinzhuang Fang; Menglong Yan; Haoyu Qiu; Yifeng Han; Yi‐Ping Phoebe Chen; Liangyou Lin; Jingwen Qian; Tao Mei; Xianbao Wang

doi:10.1039/d4gc02370f

JOURNAL ARTICLE

Direct regeneration of fluorine-doped carbon-coated LiFePO₄ cathode materials from spent lithium-ion batteries

Yurong Han Yinzhuang Fang Menglong Yan Haoyu Qiu Yifeng Han Yi‐Ping Phoebe Chen Liangyou Lin Jingwen Qian Tao Mei Xianbao Wang

Year: 2024 Journal: Green Chemistry Vol: 26 (18)Pages: 9791-9801 Publisher: Royal Society of Chemistry

DOI: 10.1039/d4gc02370f

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Abstract

Fluorine-doped carbon-coated LiFePO 4 materials are regenerated by sintering residual PVDF after separating spent electrode strips via methanol-citric acid, with a good capacity of 141.5 mA h g −1 at 1C and a retention rate of 99.6% after 100 cycles.

Keywords:

Lithium (medication) Doping Fluorine Battery (electricity) Cathode Carbon fibers Materials science Ion Regeneration (biology) Lithium-ion battery Lithium vanadium phosphate battery Chemical engineering Inorganic chemistry Chemistry Electrochemistry Composite material Composite number Metallurgy Electrode Optoelectronics Organic chemistry Engineering Physical chemistry

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Advancements in Battery Materials

Physical Sciences → Engineering → Electrical and Electronic Engineering

Extraction and Separation Processes

Physical Sciences → Engineering → Mechanical Engineering

Recycling and Waste Management Techniques

Physical Sciences → Environmental Science → Industrial and Manufacturing Engineering

Direct regeneration of fluorine-doped carbon-coated LiFePO₄ cathode materials from spent lithium-ion batteries

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