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Asma Sharafi

Member of The Honor Society of Phi Kappa Phi
From Ann Arbor, Mich.
I am a PhD student at the department of Mechanical Engineering at University of Michigan, working under supervision of Professor. Jeff Sakamoto. My research is specialized in Li-ion battery technology, with the particular focus of the understanding the Li7La3Zr2O12 garnet type crystal structure and Li-ion migration mechanisms through the 3D network structure which indicates how crystal structure modification would enhance the Li ion conductivity. The idea behind my project is to garner a greater understanding of the crystal structure of garnet-type material which plays a significant role in improvement of ionic conduction. The main emphasis of my work can be divided into two areas: (i) the effect of Li content and dopant incorporation on crystal structure and ionic conductivity of LLZO, (ii) mechanical properties characterization and analysis of sintered LLZO to improve LLZO stability against metallic lithium anode. As both a scientist and engineer, my research interests are very diverse. Knowledge of chemistry is essential in fundamental understanding of physical world we live in as well as more advanced theoretical concepts presented in many other scientific areas of study. On the other hand, some programs are more engineering oriented such as the development of functional materials for device applications. Some of my most recent work has been directed towards the design and synthesis of ceramic membrane as well as the investigation of novel routes towards the synthesis and subsequent characterization of ceramic materials for their use in next generation of energy applications. Over the course of the last few years, I have developed a keen interest in the integration of functional materials for increased performance as well as new and enhanced capabilities.
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Asma Sharafi Receives 2016 Phi Kappa Phi Love of Learning Award

Asma Sharafi of Ann Arbor, Michigan, recently was awarded a Love of Learning award worth $500 from The Honor Society of Phi Kappa Phi--the nation's oldest and most selective collegiate honor soci...

December, 08 2016 - Verified by The Honor Society of Phi Kappa Phi
Asma Sharafi Inducted into The Honor Society of Phi Kappa Phi

Asma Sharafi of Ann Arbor, Mich., was recently initiated into The Honor Society of Phi Kappa Phi, the nation's oldest and most selective collegiate honor society for all academic disciplines. Shar...

April, 07 2016 - Verified by The Honor Society of Phi Kappa Phi
Research Assistant at University of Michigan
•Developing new ceramic electrolyte based on a ceramic oxide with the garnet structure Li7La3Zr2O12 (LLZO) for solid state lithium ion batteries •Synthesized powder via high energy, planetary ball milling and hydrogel processing •Analyzed composition and crystal structure of synthesized powder using X-ray diffraction, Raman Spectroscopy and Reitveld Refinement with GSAS •Conducted study on effect of experimental environment and dopant element on stability of cubic phase LLZO •Sintered powder into ceramic membrane via a Rapid Induction Hot Pressing (RIHP) •Studied the fracture mode of membrane and grain size using scanning electron microscopy •Investigated ionic conductivity and chemical stability of ceramic membrane against metallic lithium using Electrochemical Impedance Spectroscopy, Galvanostatic DC Cycling, and Equivalent Circuit Modeling •Analyzied mechanical properties of LLZO ceramic membrane via hardness, modulus, and Poisson’s ratio measurement
January 2015 - Present

Initiation Love of Learning

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