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Appendix C: Abstracts for Plenary Talks ELECTRICAL ENERGY STORAGE: WHERE HAVE WE COME FROM AND THE SCIENTIFIC CHALLENGES STILL FACING US? Professor M. Stanley Whittingham Binghamton University Electrical energy storage has come a long way in the last 45 years, enabling portable electronic devices, electrification of transportation and renewable energy. However, there are several key scientific hurdles that must be overcome to allow electrochemical reactions to fulfill their full promise. These challenges, including understanding metal electrodeposition and highly conducting (ionic and electronic) cathodes will be described. HIGH-ENERGY BATTERIES: A SYSTEMS PERSPECTIVE Dr. Karen Thomas-Alyea Samsung Research America Materials that offer a dramatic increase in energy density exhibit significant volume change with state of charge and are not thermodynamically stable with most electrolytes. We will discuss the design requirements for materials that exhibit volume change, along with the status of mathematical models for design optimization. We will also discuss the unique requirements for commercialization of rechargeable lithium metal, which must have robust safety even in the presence of manufacturing tolerances. CHALLENGES FOR SOLID STATE BATTERIES Professor Linda Nazar University of Waterloo All solid state batteries are highly anticipated to provide new opportunities for higher energy density, safer batteries in the future but they also pose many challenges. This talk will focus on those issues, including the choice of the negative electrode material: can lithium metal provide a solution? Can dendritic growth be controlled and what are the required properties for solid state electrolyte membranes to prevent this while fulfilling other material requirements? Other topics that will be covered include approaches to search for new solid state ion conductors, the role that computation can play in that search, and new tools necessary to probe the all-important problem of interfaces. NANOSCIENCE FOR ENERGY STORAGE: SUCCESS AND FUTURE OPPORTUNITY Professor Yi Cui Stanford University and SLAC National Accelerator Laboratory National Accelerator Lab Emerging electric transportation and large-scale stationary applications call for new materials and chemistries for low-cost, high energy, fast and safe operation of electricity storage. Nanoscience has afforded new ideas and tools to understand, design and test materials across multiple length scale from atom, nano to macro scale. Selected past successful examples will be highlighted. Future research opportunity will also be discussed. NEXT GENERATION ELECTRICAL ENERGY STORAGE APPENDIX C 163PDF Image | Next Generation Electrical Energy Storage
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