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题名: Highly enhanced low temperature discharge capacity of LiNi1/3Co1/3Mn1/3O2 with lithium boron oxide glass modification
作者: Tan, SY (Tan, ShuangYuan); Wang, L (Wang, Lei); Bian, L (Bian, Liang); Xu, JB (Xu, JinBao); Ren, W (Ren, Wei); Hu, PF (Hu, PengFei); Chang, AM (Chang, AiMin)
关键词: Low temperature performance ; Glass material ; Surface modification ; Cathode material
刊名: JOURNAL OF POWER SOURCES
发表日期: 2015
DOI: 10.1016/j.jpowsour.2014.11.149
卷: 277, 期:3, 页:139-146
收录类别: SCI
资助者: Young Creative Sci-Tech Talents Cultivation Project of Xinjiang Uyghur Autonomous Region;West Light Foundation of The Chinese Academy of Sciences;National Natural Science Foundation of China
摘要: Although lithium ion battery is known to be an excellent renewable energy provider in electronic markets further application of it has been limited by its notoriously poor performance at low temperature, especially below -20 degrees C. In this paper, the electrochemical performance of the LiNi1/3Co1/3Mn1/3O2 cathode materials coated by lithium boron oxide (LBO) glass was investigated at a temperature range from 20 to -40 degrees C. The results show that the LBO coating not only helps to improve the discharge capacity of LiNi1/3Co1/3Mn1/3O2 at room temperature but also increase the discharge capacity retention of the LiNi1/3Co1/3Mn1/3O2 from 22.5% to 57.8% at -40 degrees C. Electrochemical impedance spectra results reveal that the LBO coating plays an important role in reducing the charge-transfer resistance on the electrolyte-electrode interfaces and improving lithium ion diffusion coefficients. The mechanism associated with the change of the structure and electrical properties are discussed in detail.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/4200
Appears in Collections:新疆维吾尔自治区电子信息材料与器件重点实验室_期刊论文

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作者单位: Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Xinjiang Key Lab Elect Informat Mat & Devices, Key Lab Funct Mat & Devices Special Environm, Urumqi 830011, Peoples R China;Univ Chinese Acad Sci, Beijing 100049, Peoples R China;Shanghai Univ, Lab Microstruct, Shanghai 200444, Peoples R China

Recommended Citation:
Tan, SY ,Wang, L ,Bian, L ,et al. Highly enhanced low temperature discharge capacity of LiNi1/3Co1/3Mn1/3O2 with lithium boron oxide glass modification[J]. JOURNAL OF POWER SOURCES,2015,277(3):139-146.
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