Microwave-assisted synthesis of Co-free Li[Li0.2Ni0.2Mn0.6]O2 cathodes with a spinel-layered coherent structure for high-power Li-ion batteries

被引：4

作者：

Wang, Shenggui ^{[1
,2
,3
]}

Chen, Jinniu ^{[4
]}

Zhao, Tian ^{[4
]}

Yang, Xiaoxia ^{[4
]}

Qiu, Lang ^{[3
]}

Wang, Yuankui ^{[2
]}

Song, Yang ^{[3
]}

Wu, Zhonghua ^{[5
]}

Guo, Xiaodong ^{[3
]}

Yu, Kun ^{[1
]}

机构：

[1] Cent South Univ, Sch Mat Sci & Engn, Changsha 410083, Peoples R China

[2] China State Shipbldg Corp Ltd, Kunming Branch, Res Inst 705, Kunming 650032, Peoples R China

[3] Sichuan Univ, Sch Chem Engn, 24 South Sect 1,Yihuan Rd, Chengdu 610065, Peoples R China

[4] Xi An Jiao Tong Univ, Sch Chem Engn & Technol, 28 West Xianning Rd, Xian 710049, Shaanxi, Peoples R China

[5] Chinese Acad Sci, Beijing Synchrotron Radiat Facil, Inst High Energy Phys, Beijing, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2024年 / 60卷 / 12期

基金：

中国国家自然科学基金;

关键词：

VOLTAGE DECAY; PERFORMANCE; OXIDES; ORIGIN;

D O I：

10.1039/d3cc04496c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Li- and Mn-rich layered oxides (LMLOs) are regarded as the most promising cathode materials for Li-ion batteries (LIBs), but they suffer from poor rate capability. Herein, a promising and practical method (i.e. a hydroxide coprecipitation method in combination with a microwave heating process) is developed to controllably synthesize cobalt-free Li[Li0.2Ni0.2Mn0.6]O-2 with a layered/spinel heterostructure (LLNMO-LS). The cathode made of the LLNMO-LS delivers an excellent electrochemical performance, demonstrating a discharge capacity of 147 mA h g(-1) at 10C.

引用

页码：1634 / 1637

页数：4

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