Low flammability electrolytes for stable operation of electrochemical devices

Zhang, Ji-Guang; Chen, Shuru; Xu, Wu

Low flammability electrolytes for stable operation of electrochemical devices

Patent · Tue Nov 12 04:00:00 EST 2019

OSTI ID:1600264

Zhang, Ji-Guang; Chen, Shuru; Xu, Wu

Low flammability and nonflammable localized superconcentrated electrolytes (LSEs) for stable operation of electrochemical devices, such as rechargeable batteries, supercapacitors, and sensors, are disclosed. Electrochemical devices, such as rechargeable batteries, supercapacitors, and sensors, including the low flammability and nonflammable LSEs are also disclosed. The low flammability and nonflammable LSEs include an active salt, a solvent comprising a flame retardant compound, wherein the active salt is soluble in the solvent, and a diluent in which the active salt is insoluble or poorly soluble. In certain embodiments, such as when the solvent and diluent are immiscible, the LSE further includes a bridge solvent.

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Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-05CH11231; AC05-76RL01830

Assignee:: Battelle Memorial Institute (Richland, WA)

Patent Number(s):: 10,472,571

Application Number:: 15/788,188

OSTI ID:: 1600264

Country of Publication:: United States

Language:: English

References (23)

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