Novel manufacturing and materials combinations for structured electrodes with improved energy storage performance

2^nd International Conference and Exhibition on Materials Science and Chemistry

July 13-14, 2017 Berlin, Germany

Patrick S Grant

Oxford University, UK

Scientific Tracks Abstracts: J Material Sci Eng

Abstract :

The development of electrochemical energy storage devices such as supercapacitors and Li ion batteries (LiB's) has been led by electrochemists, resulting in steady improvements in key performance metrics such as energy density, cycle life, etc. Over the same period, the production of electrochemical cells in which the positive and negative electrodes are slurry cast composites has accelerated to reach nearly 5 B pa. For a given electrochemical system, the optimization of the electrode microstructure in these devices has been empirical, inferred from exhaustive electrochemical testing, and advanced principally by varying the average fractions of the different materials (actives, binder, conductivity enhancers, porosity, etc.) in the composite electrode. Arguably, the penetration of exciting new energy storage chemistries has been slowed and constrained by a lack of optimization tools that account for the complexities of electrode dynamics and their degradation, and the absence of a flexible manufacturing technology for the fabrication of designed, structured electrodes with spatially varying properties. This talk will provide an overview of recent efforts of the Oxford Group to develop new processing routes that allow better micro- and meso-scale control of the electrode structure in both supercapacitors and batteries. Examples will be given of how these new approaches to electrode manufacturing can both enhance existing electrochemical systems and facilitate new systems that are otherwise difficult. Reference will be made to the costeffectiveness and scalability of approaches, and the key insights and data that are needed from modeling and in-situ experiments to guide the future manufacture of optimized electrodes.

Biography :

Patrick S Grant has completed his PhD and Post-doctoral studies from Oxford University, UK. Currently, he is the Vesuvius Chair of Materials, Head of the Department of Materials at Oxford University, and Leader of the Processing of Advanced Materials Group that researches new processes for advanced structural and functional materials. He has published more than 200 papers journals and has 7 patents.

Email: patrick.grant@materials.ox.ac.uk