An Electrolyte with Less Space-Occupying Diluent at Cathode Inner Helmholtz Plane for Stable 4.6 V Lithium-Ion Batteries,Angewandte Chemie International Edition

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An Electrolyte with Less Space-Occupying Diluent at Cathode Inner Helmholtz Plane for Stable 4.6 V Lithium-Ion Batteries
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2023-11-28 , DOI: 10.1002/anie.202316839
Mingming Fang ₁ , Bingyuan Du ₂ , Xinran Zhang ₁ , Xubing Dong ₁ , Xinyang Yue ₁ , Zheng Liang ₁

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The interaction between m-fluorotoluene (mFT) and anion (DFOB⁻) is weak due to the p-π conjugation structure of mFT, thus excluding mFT from the inner Helmholtz plane (IHP). This facilitates the formation of an anion-derived cathode electrolyte interphase (CEI), enabling the graphite||LiNi_0.8Co_0.1Mn_0.1O₂ pouch cell an excellent 4.6 V-cycling stability.

中文翻译：

一种在阴极内亥姆霍兹平面上使用较少空间占用稀释剂的电解质，用于稳定的 4.6 V 锂离子电池

由于mFT的p-π共轭结构，间氟甲苯（mFT）和阴离子（DFOB ^- ）之间的相互作用很弱，因此将mFT排除在亥姆霍兹内平面（IHP）之外。这有利于阴离子衍生的阴极电解质界面（CEI）的形成，使石墨||LiNi _0.8 Co _0.1 Mn _0.1 O ₂软包电池具有优异的4.6 V循环稳定性。

更新日期：2023-11-28

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