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Save the Date: November 10–12, 2020
The Battery Show Digital Days Schedule Viewer


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Pendent Carbonate on Hydrocarbon Backbone as a Highly Conductive and Stable Polymer Electrolyte for Solid-State Lithium Batteries

Nian Liu  (Assistant Professor, Georgia Institute of Technology)

Location: Virtual

Date: Wednesday, November 11

Time: 9:00am - 9:45am

Pass Type: Virtual Conference Pass (Paid), Virtual Conference Pass + EU (Paid), Virtual Expo Pass (Free)

Format: Open Tech Forum Session (Free)

Vault Recording: TBD

Audience Level: All

Solid polymer electrolytes (sPE) offer a pathway for less flammable lithium batteries. However, developing a polymer that provides high Li+ mobility as well electrochemical stability remains a challenge, because ion conductive functional units in mainchain (e.g., polycarbonate and polyether) usually suffer from poor electrochemical stability at high and/or low potential. Herein, a sPE with pendent carbonate and hydrocarbon backbone is designed as a demonstration to overcome the electrochemical stability problem. This pendant type polycarbonate is different from conventional polycarbonate electrolytes because the carbonate moiety is in the side chain, which eliminates the degradation of polycarbonates while still providing high ionic conductivity . Stable lithium striping/plating for 5,000 hours and electrochemical stability up to 4.6 V vs Li+/Li have been demonstrated. During this presentation, attendees will learn the state-of-the-art of solid-state batteries, what are different for "solid-state" batteries, challenges, and what the solutions can be.

Takeaway

The attendees will learn the state-of-the-art of solid-state batteries, what are different for "solid-state" batteries, what are the challenges, and what can be the solutions.

Intended Audience

R&D people in battery and automobile companies, that work on the next generation battery technologies. This talk will also attract scientists from academia that are working on batteries.