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Layer-by-Layer Separator Membrane for Lithium-Ion Battery

Technology Benefits: -Increased ionic conductivity and lithium-ion transference number-Tunable polyelectrolyte films allow for flexibility in operating conditions

Technology Application: Thin films used for the highly ion-conductive lithium ion battery separator

Detailed Technology Description: None

Industry: Chemical/Material

Sub Category: Chemical/Material Application

*Abstract: Problem: Improving the ionic conductivity of the membraneTechnology: This invention uses the layer-by-layer technique to prepare tunable films for use in lithium ion battery separators. The number of bilayers can be selected to control thickness. Polyelectrolyte chemical structure can be selected to control ionic conductivity and lithium-ion transference number. These multilayers can be formed using the dipping approach or the spraying approach.

*Principal Investigator: Name: Craig Carter, Professor
Department: Material Sciences and Engineering

Name: Yet-Ming Chiang, Professor
Department: Material Sciences and Engineering

Name: Bilal El-Zahab, Graduate Student
Department: Chemical Engineering

Name: Paula T. Hammond, Professor
Department: Chemical Engineering

Country/Region: USA

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