Synergistic approach of regeneration and Li3PO4 coating for spent Ni-rich cathode materials

被引：7

作者：

Jiang, Guanghui ^{[1
,2
]}

Liu, Lei ^{[1
]}

Fei, Zitong ^{[1
]}

Meng, Qi ^{[1
]}

Zhang, Yingjie ^{[1
]}

Dong, Peng ^{[1
]}

Ouyang, Quansheng ^{[2
]}

Ke, Ding ^{[2
]}

Wang, Jiqun ^{[2
]}

Yang, Anqi ^{[3
]}

机构：

[1] Kunming Univ Sci & Technol, Fac Met & Energy Engn, Natl & Local Joint Engn Lab Lithium Ion Batteries, Key Lab Adv Battery Mat Yunnan Prov, Kunming 650093, Peoples R China

[2] Guizhou Coll & Univ, Graphene Mat Engn Res Ctr, Guizhou Light Ind Tech Coll, Prov Collaborat Innovat Ctr Used Power Batteries R, Guiyang 550025, Peoples R China

[3] Guizhou Univ, Coll Big Data & Informat Engn, Guiyang 550025, Peoples R China

来源：

IONICS | 2023年 / 29卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Regenerated; Li3PO4; coated; Cathode material; Lithium-ion battery; LITHIUM-ION BATTERIES; LINI0.5CO0.2MN0.3O2; PERFORMANCE; SURFACE; ACID; LI; RECOVERY; LICOO2; CO;

D O I：

10.1007/s11581-022-04871-2

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The large-scale lithium-ion batteries (LIBs) have begun to retire, and their disposal and reuse is a challenge. Herein, a regenerative and coating synergistic strategy is adopted to achieve the Li3PO4-coated and regeneration of LiNi0.5Co0.2Mn0.3O2 material. The temperature was confirmed great influence to regenerate. The sample of 850 & DEG;C has the best cycle performance and rate performance, and the capacity retention rate is more than 80% after 100 cycles at 1 C. The recovery of material properties is due to structural repair and Li3PO4 coating. The coating and regeneration strategy can be applied to the regeneration of other cathode materials and provides guidance for the treatment and reuse of waste LIBs electrolyte.

引用

页码：1003 / 1011

页数：9

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