Lithium Manganese Oxides Cathodes Functionalized by Ionic Monomer Additive as a Surface Modifier for Lithium-ion Batteries

被引：0

作者：

Seong, Min-Ji ^{[1
]}

Park, So-Young ^{[2
]}

Kim, Tae-Hyun ^{[3
]}

Park, Yeong-Don ^{[2
]}

Yim, Taeeun ^{[1
]}

机构：

[1] Incheon Natl Univ, Dept Chem, Adv Batteries Lab, 119 Acad Ro, Incheon 22012, South Korea

[2] Incheon Natl Univ, Dept Energy & Chem Engn, Organ Optoelect Lab, 119 Acad Ro, Incheon 22012, South Korea

[3] Incheon Natl Univ, Dept Chem, Organ Mat Synth Lab, 119 Acad Ro, Incheon 22012, South Korea

来源：

POLYMER-KOREA | 2022年 / 46卷 / 01期

关键词：

lithium ion batteries; lithium manganese oxide; uniformity; crosslinking agent; electrochemical performance; ELECTROLYTE; PERFORMANCE;

D O I：

10.7317/pk.2022.46.1.88

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In this study, 3-propyl-1-vinylimidazolium tetrafluoroborate (VPI BF4) as an ionic crosslinker is designed and synthesized to improve the high rate capability of lithium manganese oxide (LMO) cathode material. The synthesis of ionic crosslinker is confirmed by (1)Hn uclear magnectic resonance and F-19 nuclear magnectic resonance spectroscopies. It is confirmed that the VPI BF4 is successfully crosslinked through Fourier-transform infrared spectroscopy. The use of VPI BF4 does not compromise with the electrochemical performance of the cell even at high temperature and enhances the rate capability. The analysis of electrodes after electrochemical evaluation proves that VPI BF4 contributes to the improvement of LMO interphase properties.

引用

页码：88 / 93

页数：6

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