High elastic modulus polymer electrolytes

Balsara, Nitash Pervez; Singh, Mohit; Eitouni, Hany Basam; Gomez, Enrique Daniel

Title: High elastic modulus polymer electrolytes

Patent · Tue Oct 22 00:00:00 EDT 2013

OSTI ID:1107608

Balsara, Nitash Pervez; Singh, Mohit; Eitouni, Hany Basam; Gomez, Enrique Daniel

A polymer that combines high ionic conductivity with the structural properties required for Li electrode stability is useful as a solid phase electrolyte for high energy density, high cycle life batteries that do not suffer from failures due to side reactions and dendrite growth on the Li electrodes, and other potential applications. The polymer electrolyte includes a linear block copolymer having a conductive linear polymer block with a molecular weight of at least 5000 Daltons, a structural linear polymer block with an elastic modulus in excess of 1.times.10.sup.7 Pa and an ionic conductivity of at least 1.times.10.sup.-5 Scm.sup.-1. The electrolyte is made under dry conditions to achieve the noted characteristics.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-05CH11231

Assignee:: The Regents of The University of California (Oakland, CA)

Patent Number(s):: 8,563,168

Application Number:: 12/225,934

OSTI ID:: 1107608

Country of Publication:: United States

Language:: English

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