Dr. Ir. Marnix Wagemaker访问E01小组 Using X-ray, neutron, NMR and modeling techniques to understand critical processes in next generation batteries

Time : 
Mon, 10/31/2016 - 10:00
Location : 
M 楼 253会议室

 

Abstract:

Progress in next generation batteries requires detailed understanding of the key processes that determine battery performance. However, often these processes are hard to detect, in particular during battery operation. In this presentation we will show our recent work that aims at monitoring the Li-ion transport with operando Neutron Depth Profiling and the phase transition kinetics of individual electrode grains with operando micro beam diffraction in Li-ion batteries.  The charge transport in all solid state batteries is unraveled using Nuclear Magnetic Resonance (NMR) and Density Functional Theory Molecular Dynamics simulations. In Li-air batteries operando X-ray diffraction is used to monitor the discharge product growth and decomposition, giving detailed insight in the influence of the nature of the electrolyte. With this fundamental battery research we hope to provide the fundamental understanding necessary to improve future battery performance.


Bio:Dr. Ir. Marnix Wagemaker completed his MSc in Applied Physics at the Delft University of Technology in 1996. After working as  development engineer in computer aided techniques he completed his PhD at the Delft University of Technology entitled “Structure and Dynamics of Lithium in Anatase TiO2”. This was followed by a Scholarship at the Department of Materials Science and Engineering of the Massachusetts Institute of Technology (MIT) and a Post-Doc VENI Grant (2004) entitled “Lithium-ion dynamics in electrode materials” at the Delft University of Technology and a VIDI Grant (2007) entitled “Storage and dynamics of Li-ions in nano-sized electrode materials. In 2012 he received an ERC-StG grant on “Hunting for high performance energy storage in batteries and became associated professor at the Delft University of Technology.

 

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