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Breakout Report on Energy Storage

Breakout Report on Energy Storage. Identification of Grand Challenges. Energy Storage Breakout. Chairs: Yet-Ming Chiang Héctor Abruña Speakers Michel Thackeray Joseph Gordon

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Breakout Report on Energy Storage

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  1. Breakout Report on Energy Storage Identification of Grand Challenges

  2. Energy Storage Breakout • Chairs: • Yet-Ming Chiang • HéctorAbruña • Speakers • Michel Thackeray • Joseph Gordon • Participants: Nitash Balsara, Tony Burrell, Gerd Ceder, George Crabtree, Joseph Han, Paul Kent, Boris Kozinsky, Rishi Raj, GrigoriiSoloveichik, Esther Takeuchi, Bill Tumas • Thanks to our scribe, Katie Feldman

  3. 20 year Grand Challenge “To know all reactions occurring in a battery system and their rates, so that you can identify importance of, and select or exclude, each one.” Cross-cutting themes: • Discovery of new materials • Identification of new storage mechanisms

  4. Grand Challenge 1:Five Years to Five Volts • If materials scientists could elucidate bulk and interfacial reaction mechanisms for all plausible electrolytes (including solids) at 5V, then stable new high energy density battery systems become possible.

  5. Grand Challenge 2:Accelerated Identification of Long-Term Failure Modes If materials scientists could identify and quantify low-rate degradation mechanisms, then materials process engineers could: • Reduce testing time (from current time of several years) • Speed up implementation of new materials • Speed up development of new battery systems, e.g.: • Li-ion (e.g., high Mn systems) • Beyond Li-ion (e.g., metal-sulfur)

  6. Grand Challenge 3:Accelerating Synthesis If researchers and developers could predict the outcome of synthesis processes, the design and testing of new materials, and their incorporation into battery systems, would be greatly accelerated. • Emphasis on data collection and computation for the inorganic chemist • The inorganic chemist does not have the same vast data base that the organic chemist has today • “Pourbaix-like diagram + kinetics”

  7. Other ideas Other: • Enabling metal anodes • Linking physical properties with electrochemical properties • Linking to downstream manufacturing processes - “Virtual manufacturing environment” • Creating a multiscale virtual battery • The ultimate non-flammable electrolyte • Theory and modeling of additives and trace impurities • Extending the stability window of aqueous systems – the 3V aqueous battery

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