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ICCAS OpenIR  > 分子纳米结构与纳米技术实验室  > 期刊论文
题名: Synthesis and Electrochemical Properties of a High Capacity Li-rich Cathode Material in molten KCl-Na2CO3 flux
作者: Qing, Ren-Peng1, 2, 3; Shi, Ji-Lei3; Zhai, Yun-Bo1, 2; Zhang, Xu-Dong3; Yin, Ya-Xia3; Gu, Lin4; Guo, Yu-Guo3
关键词: lithium-ion batteries ; Li-rich material ; cathode ; high capacity ; high energy density
刊名: ELECTROCHIMICA ACTA
发表日期: 2016-04-01
卷: 196, 页:749-755
收录类别: SCI
英文摘要: The growing concern for high energy density lithium-ion batteries requires high capacity cathode materials. Li-rich materials are among the most promising candidates attributing to its high capacity, high safety, and low cost. However, the capacity faded seriously with long cycling which hinders its further application. Here, we report a high capacity Li-rich material with superior rate capacity and well cycling stability. The prepared Li-rich cathode exhibited a high discharge capacity of 270 mA h g(-1) with initial coulombic efficiency of 84%, at the current density of 25 mA g(-1). In addition, high discharge capacity of 200 mA h g(-1) was obtained at the current density of 250 mA g(-1) and good cycling stability was delivered with 92% capacity retention after 100 cycles at current density of 125 mA g(-)1. (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35962
Appears in Collections:分子纳米结构与纳米技术实验室_期刊论文

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作者单位: 1.Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China
2.Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China
3.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS Key Lab Mol Nanostruct & Nanotechnol, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
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