Principle in developing novel fluorinated sulfone electrolyte for high voltage lithium-ion batteries

Su Chi-Cheung; He Meinan; Shi Jiayan; Amine Rachid; Yu Zhou; Cheng Lei; Guo Juchen; Amine Khalil

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Principle in developing novel fluorinated sulfone electrolyte for high voltage lithium-ion batteries

机译：高压锂离子电池开发新型氟化砜电解质的原理

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A new class of fluorinated sulfones, beta-fluorinated sulfones, were designed and synthesized as electrolyte solvents for high voltage lithium-ion batteries. While the oxidation potential of beta-fluorinated sulfones is slightly lower than that of alpha-fluorinated sulfones, it is still significantly higher than the oxidation potential of regular sulfones, which already possess fairly high anodic stability. However, beta-fluorinated sulfones exhibit a significant decrease in reduction potential compared to alpha-fluorinated sulfones, rendering them more stable towards graphite anodes. Moreover, the reduced lithium solvating power of beta-fluorinated sulfones compared to regular sulfones mitigates the transition metal dissolution of cathodes. Taken together, these middle ground properties of beta-fluorinated sulfone-based electrolytes enable the very stable long-term cycling of graphite||LiNi0.6Co0.2Mn0.2O2 full cells. The outstanding performance of beta-fluorinated sulfones designed by applying the "golden middle way" paves a new path for the development of an effective electrolyte system.

机译：设计并合成了一类新的氟化砜，葡萄酒硫醇，作为高压锂离子电池的电解质溶剂。虽然β-氟化砜的氧化电位略低于α-氟化砜的氧化势，但它仍然显着高于常规砜的氧化电位，这已经具有相当高的阳极稳定性。然而，与α-氟化砜相比，β-氟化砜表现出显着的降低潜力降低，使它们更稳定地朝石墨阳极稳定。此外，与常规硫酸亚型氟化砜的锂溶剂溶解功率降低，减轻了阴极的过渡金属溶解。携带的β-氟化砜基电解质的这些中间地质性能使得石墨的非常稳定的长期循环，LINI0.6CO0.2MN0.2O2全细胞。通过应用“金色中间方式”设计的β-氟化硫磺的突出表现铺平了一种新的电解质系统的开发。

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《Energy & environmental science》 |2021年第5期|3029-3034|共6页
作者
Su Chi-Cheung; He Meinan; Shi Jiayan; Amine Rachid; Yu Zhou; Cheng Lei; Guo Juchen; Amine Khalil;
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Argonne Natl Lab Chem Sci & Engn Div 9700 S Cass Ave Lemont IL 60439 USA;

Argonne Natl Lab Chem Sci & Engn Div 9700 S Cass Ave Lemont IL 60439 USA;

Argonne Natl Lab Chem Sci & Engn Div 9700 S Cass Ave Lemont IL 60439 USA|Univ Calif Riverside Dept Chem & Environm Engn Riverside CA 92521 USA;

Argonne Natl Lab Mat Sci Div 9700 S Cass Ave Lemont IL 60439 USA;

Argonne Natl Lab Mat Sci Div 9700 S Cass Ave Lemont IL 60439 USA;

Argonne Natl Lab Mat Sci Div 9700 S Cass Ave Lemont IL 60439 USA;

Univ Calif Riverside Dept Chem & Environm Engn Riverside CA 92521 USA;

Argonne Natl Lab Chem Sci & Engn Div 9700 S Cass Ave Lemont IL 60439 USA|Stanford Univ Mat Sci & Engn Stanford CA 94305 USA|Imam Abdulrahman Bin Faisal Univ IAU Inst Res & Med Consultat Dammam Saudi Arabia;

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专利

1. Oxidatively stable fluorinated sulfone electrolytes for high voltage high energy lithium-ion batteries [J] . Su Chi-Cheung, He Meinan, Redfern Paul C., Energy & environmental science . 2017,第4期

机译：用于高压高能锂离子电池的氧化稳定的氟化砜电解质
2. Fluorinated Cyclic Phosphorus(III)-Based Electrolyte Additives for High Voltage Application in Lithium-Ion Batteries: Impact of Structure-Reactivity Relationships on CEI Formation and Cell Performance [J] . von Aspern Natascha, Diddens Diddo, Kobayash Takeshi, ACS applied materials & interfaces . 2019,第18期

机译：氟化环状磷（III）基于锂离子电池的高压施加的电解质添加剂：结构 - 反应性关系对CEI形成和细胞性能的影响
3. Functionality Selection Principle for High Voltage Lithium-ion Battery Electrolyte Additives [J] . Su Chi-Cheung, He Meinan, Peebles Cameron, ACS applied materials & interfaces . 2017,第36期

机译：高压锂离子电池电解质添加剂的功能选择原理
4. Effect of Using Fluorinated Ether and Sulfone as Electrolyte Solvents for Lithium Ion Batteries with Lithium-Rich Layered Cathodes and Silicon Oxide Anodes [C] . Takehiro Noguchi, Takuya Hasegawa, Hideki Yamauchi, Meeting of the Electrochemical Society . 2017

机译：使用氟化醚和砜作为锂离子电池用锂离子电池的电解质溶剂的影响和锂离子电池和氧化硅阳极
5. Develop High Energy High Power Lithium-ion Battery Cathode Materials A first principles computational study. [D] . Xu, Bo. 2012

机译：开发高能大功率锂离子电池正极材料第一个原理计算研究。
6. First-Principles Study on the Adsorption and Dissociation of Impurities on Copper Current Collector in Electrolyte for Lithium-Ion Batteries [O] . Jian Chen, Chao Li, Jian Zhang, 2018

机译：锂离子电池电解液中铜集电器上杂质吸附和解离的第一性原理研究
7. Functionality Selection Principle for High Voltage Lithium-ion Battery Electrolyte Additives [O] . -1

机译：高压锂离子电池电解质添加剂的功能选择原理

Principle in developing novel fluorinated sulfone electrolyte for high voltage lithium-ion batteries

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