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Winton Programme for the Physics of Sustainability

Department of Physics

Studying at Cambridge

 

Mr Hajime Shinohara

Mr Hajime Shinohara

Winton Scholar

Supervisor: Dr Siân Dutton

Quantum Matter Group


Biography:

Bachelor of Engineering in Applied Physics from Keio University, Japan (2011)
Visiting scholar, Cavendish Laboratory, University of Cambridge, United Kingdom (2012)
Visiting scholar, Institute for Applied Physics, University of Bonn, Germany (2013)
Master of Engineering in Applied Physics from Keio University, Japan (2013)

Research Interests

Cation order and disorder in rock-salt derviatives and its impact on their performance as electrodes in Li-ion batteries

My research project is exploring the potential of complex oxides with structures related to rock-salt as electrodes in Li-ion batteries. All of the materials will be synthesized as part of the project using a ceramic synthesis route. The materials will then be characterized and their physical and chemical properties evaluated. X-ray diffraction (XRD), synchrotron diffraction, neutron diffraction, scanning electron microscopy(SEM) and transmittance electron microscopy (TEM) will be used to characterize the materials. The electrochemical properties will be explored by making test batteries. In conjunction with this, in-situ and ex-situ diffraction will be used to evaluate changes in the crystal structure during the charging and discharging processes.

The tsunami catastrophe in eastern Japan in 2011 made us consider deeply the significance of energy supply. At that time, all electrical facilities were not working except portable things powered by batteries such as laptops and cell phones which highlighted the importance of high-performance batteries.