Battelle Memorial Institute

Won-Jin Kwak

Ji-Guang Zhang

Wu Xu

Xiaolin Li

Qiuyan Li

Ran Yi

Xia Cao

Sujong Chae

Xianhui Zhang

Hao Jia

Electrolytes for lithium ion batteries with carbon-based, silicon-based, or carbon- and silicon-based anodes include a lithium salt; a nonaqueous solvent comprising at least one of the following components: (i) an ester, (ii) a sulfur-containing solvent, (iii) a phosphorus-containing solvent, (iv) an ether, (v) a nitrile, or any combination thereof, wherein the lithium salt is soluble in the solvent; a diluent comprising a fluoroalkyl ether, a fluorinated orthoformate, a fluorinated carbonate, a fluorinated borate, or a combination thereof, wherein the lithium salt has a solubility in the diluent at least 10 times less than a solubility of the lithium salt in the solvent; and an additive having a different composition than the lithium salt, a different composition than the solvent, and a different composition than the diluent.

Electrolytes for lithium batteries with carbon and/or silicon anodes

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Richland, WA, United States of America

Won-Jin Kwak