INREP presentation Energy & Environ. Sci., 5, 2012 (ME Suss et al.) Assistant Professor Matthew Suss Technion, Faculty of Mechanical Engineering Outline Electrochemical Systems Supercapcitors Capacitive deionization Flow batteries Electroosmotic pumps Hierarchical supercapacitor electrodes How to interpret impedance spectra of a hierarchical electrode? 1. ME Suss et al. J Power Sources, 2013 2. ME Suss et al., Env. Sci. Tech, 2014 In situ measurements of ion concentration in a supercapacitor cell Supercapacitors for water desalination (CDI) Hierarchical carbon aerogel electrodes Stopped-flow experiments demonstrate up to 70 mM concentration reduction ME Suss et al., Energy. Environ. Sci., 2012 Built a prototype device High salt removal rate Membraneless flow batteries M.E. Suss et al. Battery with Heterogeneous Flow-Through Porous Electrodes, U.S. Application No.: 14/504539 Novel battery cell architecture to enable a cyclable & high power membraneless cell ME Suss et al. Submitted, 2014 Transport modeling shows that low crossover can be attained! Membraneless flow batteries Set 4 performance records for the field of membraneless electrochemical energy systems - Highest power density (0.925 W/cm2) Highest current density (3 A/cm2) Highest attained cycles (>30) Highest round-trip energy efficiency (87%) ME Suss et al. Submitted, 2014 Technion Electrochemical Energy and Water Laboratory Fundamental studies Novel, world-class devices (electrochemistry in porous media) Energy/Water Transport Models Rapid prototyping Porous materials development M.E. Suss et al. submitted, 2014 M.E. Suss, et al. Enr. Env. Sci 2012. Energy Novel experimental techniques M.E. Suss et al. submitted, 2014 M.E. Suss, et al. Env. Sci. Tech 2014. M.E. Suss, et al. J Power Sources 2013. M.E. Suss, et al. Sens. & Act. B, 2011. Technion Electrochemical Energy and Water Laboratory Currently hiring Postdocs and a lab manager Experience in theory/experiments of electrochemical systems, or porous electrode fabrication a big plus! Email: mesuss@technion.ac.il Office: New Mechanical Engineering building (Dan & Betty Kahn), room 415 Acknowledgements • Prof. Juan Santiago (Stanford) • Dr. Michael Stadermann (LLNL) • Prof. Martin Bazant, Prof. Cullen Buie (MIT) • The Lawrence Scholars Program • National Science & Engineering Research Council of Canada (NSERC) • Fonds de recherche du Québec – Nature et technologies (FQRNT) • State of California Department of Water Resources • National Science Foundation (NSF) Future acknowledgments • Israel National Research Center (INREP) • Grand Technion Energy Program