Unlock the potential of Li4Ti5O(12) for high-voltage/long-cycling-life and high-safety batteries: Dual-ion architecture superior to lithium-ion storage

Xiaoyuan Shi; Shansheng Yu; Ting Deng; Wei Zhang; Weitao Zheng

首页> 中文期刊> 《能源化学：英文版》 >Unlock the potential of Li4Ti5O(12) for high-voltage/long-cycling-life and high-safety batteries: Dual-ion architecture superior to lithium-ion storage

Unlock the potential of Li4Ti5O(12) for high-voltage/long-cycling-life and high-safety batteries: Dual-ion architecture superior to lithium-ion storage

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cqvip:Li4Ti5O(12)(LTO)has drawn great attention due to its safety and stability in lithium-ion batteries(LIBs).However,high potential plateau at 1.5 V vs.Li reduces the cell voltage,leading to a limited use of LTO.Dual-ion batteries(DIBs)can achieve high working voltage due to high intercalation potential of cathode.Herein,we propose a DIB configuration in which LTO is used as anode and the working voltage was 3.5 V.This DIB achieves a maximum specific energy of 140 Wh/kg at a specific power of 35 W/kg,and the specific power of 2933 W/kg can be obtained with a remaining specific energy of 11 Wh/kg.Traditional LIB material shows greatly improved properties in the DIB configuration.Thus,reversing its disadvantage leads to upgraded performance of batteries.Our configuration has also widened the horizon of materials for DIBs.

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《能源化学：英文版》 |2020年第5期|P.13-18|共6页
作者
Xiaoyuan Shi; Shansheng Yu; Ting Deng; Wei Zhang; Weitao Zheng;
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作者单位

State Key Laboratory of Automotive Simulation and Control and School of Materials Science&Engineering Electron Microscopy Center and International Center of Future Science Jilin University Changchun 130012 Jilin ChinaKey Laboratory of Polyoxometalate Science of Ministry of Education Northeast Normal University Changchun 130024 Jilin China;

State Key Laboratory of Automotive Simulation and Control and School of Materials Science&Engineering Electron Microscopy Center and International Center of Future Science Jilin University Changchun 130012 Jilin China;

State Key Laboratory of Automotive Simulation and Control and School of Materials Science&Engineering Electron Microscopy Center and International Center of Future Science Jilin University Changchun 130012 Jilin ChinaWuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan 430074 Hubei ChinaKERBASQUE Basque Foundation for Science Bilbao 48013 Spain;

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原文格式 PDF
正文语种 chi
中图分类 TM9;
关键词
Li4Ti5O12; Specific energy; Specific power; Dual-ion batteries; Lithium-ion batteries;

机译：Li4Ti5O12;比能量;比功率;双离子电池;锂离子电池;

Unlock the potential of Li4Ti5O(12) for high-voltage/long-cycling-life and high-safety batteries: Dual-ion architecture superior to lithium-ion storage

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