Advances in degradation mechanism and sustainable recycling of LiFePO4-type lithium-ion batteries

Qi, Cai; Yao, Tianshun; Zhai, Wenjie; Zhang, Mingdao; Song, Li; He, Jianping

doi:10.1016/j.ensm.2024.103623

Energy Storage Materials

2024

DOI: 10.1016/j.ensm.2024.103623

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Advances in degradation mechanism and sustainable recycling of LiFePO4-type lithium-ion batteries

Cai Qi,

Tianshun Yao,

Wenjie Zhai

et al.

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Cited by 5 publications

References 191 publications

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Navigating battery choices: A comparative study of lithium iron phosphate and nickel manganese cobalt battery technologies

Evro,

Ajumobi,

Mayon

et al. 2024

Future Batteries

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Navigating battery choices: A comparative study of lithium iron phosphate and nickel manganese cobalt battery technologies

Evro,

Ajumobi,

Mayon

et al. 2024

Future Batteries

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A Method of Efficiently Regenerating Waste LiFePO₄ Cathode Material after Air Firing Treatment

Ma,

Xu,

Yao

et al. 2024

ACS Appl. Mater. Interfaces

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Waste LiFePO 4 (LFP) batteries can be harmful to the environment and lead to waste of resources if not properly disposed of. In this study, an efficient and environmentally friendly method for solid-phase recycling waste LFP cathode material (W-LFP) is proposed. Most of the impurities in the W-LFP are removed by air firing. The regenerated LFP is then obtained by adding lithium carbonate and triethanolamine for repair during heat treatment. The addition of triethanolamine converts Fe 3+ to Fe 2+ and also allows the formation of an N-doped modified carbon layer on the surface of the LFP particles, which improves the electrochemical properties of the regenerated material. Physical characterization and electrochemical tests are used to investigate the attenuation and regeneration mechanism of LFP. The regenerated LFP possesses a high specific discharge capacity (152.87 mAh g −1 at 0.2 C), which is about 95.32% of the commercial LFP, and the capacity retention rate is 88.52% after 600 cycles at 1 C. It is worth noting that we do not use solvents such as acids and alkalis in the regeneration process, thus avoiding the generation of large quantities of acid and alkaline waste liquids, which is friendly to the environment. This solid-phase regeneration process offers a promising method for the future recycling of used LFP batteries because of its simplicity, environmental friendliness, and high efficiency.

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In situ polymerized ether-based polymer electrolytes towards practical lithium metal batteries

Peng,

Fu,

Wei

et al. 2025

Chem. Commun.

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Advances in degradation mechanism and sustainable recycling of LiFePO4-type lithium-ion batteries

Cited by 5 publications

References 191 publications

Navigating battery choices: A comparative study of lithium iron phosphate and nickel manganese cobalt battery technologies

Navigating battery choices: A comparative study of lithium iron phosphate and nickel manganese cobalt battery technologies

A Method of Efficiently Regenerating Waste LiFePO₄ Cathode Material after Air Firing Treatment

In situ polymerized ether-based polymer electrolytes towards practical lithium metal batteries

Contact Info

Product

Resources

About

Advances in degradation mechanism and sustainable recycling of LiFePO4-type lithium-ion batteries

Cited by 5 publications

References 191 publications

Navigating battery choices: A comparative study of lithium iron phosphate and nickel manganese cobalt battery technologies

Navigating battery choices: A comparative study of lithium iron phosphate and nickel manganese cobalt battery technologies

A Method of Efficiently Regenerating Waste LiFePO4 Cathode Material after Air Firing Treatment

In situ polymerized ether-based polymer electrolytes towards practical lithium metal batteries

Contact Info

Product

Resources

About

A Method of Efficiently Regenerating Waste LiFePO₄ Cathode Material after Air Firing Treatment