Application of metal-organic frameworks as cathode materials for lithium-ion batteries

Zhou, Jian‐En; Chen, Yueying; Pan, Yingying; Lin, Xiaoming; Yuan, Zhongzhi

doi:10.1360/tb-2020-0418

Cited by 1 publication

(2 citation statements)

References 26 publications

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“…8−10 Fabricating new materials from spent LIB components frequently presents greater challenges, particularly in terms of the bulk phase and crystal interfaces. 11,12 The recovery process of spent LIBs is lengthy and complex, with suboptimal material separation outcomes. 13 An effective material sorting method would facilitate the short-range and efficient recovery of electrical materials, yielding considerable economic benefits.…”

Section: Introductionmentioning

confidence: 99%

“…Consequently, if these valued metals could be recycled to produce electrode materials, there is potential to conserve fossil fuel, natural mineral, and nuclear energy resources . The recycling process of spent LIBs encompasses discharge, dissociation, metal recovery, and new material preparation stages. − Fabricating new materials from spent LIB components frequently presents greater challenges, particularly in terms of the bulk phase and crystal interfaces. , The recovery process of spent LIBs is lengthy and complex, with suboptimal material separation outcomes . An effective material sorting method would facilitate the short-range and efficient recovery of electrical materials, yielding considerable economic benefits. , …”

Section: Introductionmentioning

confidence: 99%

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Selective Recovery of Cathode Materials from Spent Lithium-Ion Battery Material with a Near-Room-Temperature Separation

Wang,

Tao,

et al. 2024

ACS Appl. Mater. Interfaces

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Effective separation of cathode materials from the current collector is a critical step in recycling a spent lithium-ion battery (LIB). This typically necessitates the decomposition or dissolution of the organic binder, poly(vinylidene fluoride) (PVDF), to achieve efficient recovery of cathode materials. However, this process requires a high decomposition temperature, typically between 400 and 600 °C, and can lead to side reactions, such as current collector oxidation/brittleness, decomposition of cathode materials, and formation of metal fluorides. In this study, we propose that non-thermal plasma (NTP) treatment can be used to achieve an extremely high separation of cathode materials and aluminum current collector at near room temperature. Instead of relying on PVDF decomposition, which requires high temperatures, PVDF can be deactivated by partially breaking down long molecular chains with appropriate NTP conditions. With a total treatment time of around 2000 s and an environmental temperature of approximately 80 °C, minor side reactions can be avoided. The separation rate can reach up to 95.69%, and high-quality cathode materials can be obtained with only 0.02 wt % aluminum impurity content. This research could potentially offer a new approach toward minimizing recycling steps and reducing energy consumption in the recycling of spent LIBs. It could also be extended to the recovery of a broader range of electronic wastes.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Selective Recovery of Cathode Materials from Spent Lithium-Ion Battery Material with a Near-Room-Temperature Separation

Wang,

Tao,

et al. 2024

ACS Appl. Mater. Interfaces

View full text Add to dashboard Cite

show abstract

Application of metal-organic frameworks as cathode materials for lithium-ion batteries

Abstract: Application prospects of high-voltage cathode materials in all-solid-state lithium-ion batteries

Cited by 1 publication

References 26 publications

Selective Recovery of Cathode Materials from Spent Lithium-Ion Battery Material with a Near-Room-Temperature Separation

Selective Recovery of Cathode Materials from Spent Lithium-Ion Battery Material with a Near-Room-Temperature Separation

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