高能量密度鋰離子電池層狀錳基正極材料研究進展

馬磊磊; 連芳; 張帆; 丁鵬沖; 劉大亮; 陳彥彬

doi:10.13374/j.issn2095-9389.2017.02.001

高能量密度鋰離子電池層狀錳基正極材料研究進展

doi: 10.13374/j.issn2095-9389.2017.02.001

1) 北京科技大學材料科學與工程學院, 北京 100083
2) 江蘇當升材料科技有限公司, 海門 226100

基金項目:

國家高技術研究發展計劃（863計劃）資助項目（2013AA050901）

詳細信息

中圖分類號: TM912.9
計量
- 文章訪問數: 763
- HTML全文瀏覽量: 256
- PDF下載量: 24
- 被引次數: 0
出版歷程
- 收稿日期: 2016-04-25

Comparison on the solid-state desilication kinetics of silicon manganese powder by microwave heating and conventional heating

1) School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
2) Jiangsu Easpring Material Technology Co., Ltd., Haimen 226100, China

摘要

摘要: 層狀錳基材料Li[Li_x（MnM）_1-x]O₂（M=Ni，Co，Cr，…）以高比容量成為最具應用前景的正極體系之一，近年來成為研究熱點而倍受關注，尤其借助原位測試分析等先進表征手段，對Li[Li_x（MnM）_1-x]O₂的結構及其高容量獲取機理的研究取得顯著進展.本文概括介紹了高能量密度層狀正極材料的結構與充放電機理，重點針對其目前依然存在的問題，詳細歸納了Li[Li_x（MnM）_1-x]O₂正極材料充放電循環過程中電壓衰減機理、界面/表面特征以及性能改善的研究新進展，而且對高能量密度層狀正極材料的未來研究方向也進行了探討.
- 鋰離子電池 /
- 層狀材料 /
- 高能量密度 /
- 電壓衰減 /
- 界面
Abstract: Layered Mn-based series Li[Li_x(MnM)_1-x]O₂ (M=Ni, Co, Cr, …) due to its much higher capacity is one of the very promising candidates of cathodes, which has become a research hotspot recently and attracted more and more attention. Especially, with the aid of advanced characterization techniques including in-situ analysis, studies on the complex structure and high-capacity delivering mechanism of the series have achieved significant progress. In the paper, the structural characterization and charge-discharge behavior of the high-energy density layered cathode were briefly introduced. Study progresses on the voltage degradation, interface/surface variation during cycling and performance improvements of Li[Li_x(MnM)_1-x]O₂ were reviewed in detail particularly in view of its exiting issues. Furthermore, the challenges and prospects in the high-energy density layered cathode materials were also discussed herein.
- lithium ion batteries /
- layered materials /
- high energy density /
- voltage fading /
- interface

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參考文獻(44)

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