Electrochemically redox-active organic electrode molecules (OEMs) have attacted significant attention in the field of energy storage. In this talk, I will first present a case study of organic cathode materials in all-solid-state batteries that maintain reversible active material-electrolyte interfaces and intimidate physical contact during battery cycling. A platform combining structural, chemical, and mechanical characterizations are being developed for multidimensional diagnostics of the interface evolutions in solid-state batteries to provide insights into the failure mechanisms. I will then discuss how OEMs can be designed to solve the short cycle life challenges of aqueous batteries for decades due to the structural and chemical instability of anode electrodes. We designed and synthesized three stable quinone anodes showing long cycle life of 3000 cycles and state-of-art energy density in a broad pH range from -1 to 15. An aqueous zinc-polymer battery and characterizations to understand the pressure-dependent reaction mechanisms will also be discussed.

Organic electrode material design for beyond lithium-ion batteries

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.