Sundeep Vema

Dr Sundeep Vema

BTech MTech PhD

Sundeep Vema is a postdoctoral researcher at the Yusuf Hamied Department of Chemistry. His research focuses on understanding why solid-state lithium-ion batteries fail.

Sundeep Vema

Sundeep received a Dual Degree (BTech and MTech) in Chemical Engineering from the Indian Institute of Technology Delhi, India in 2018. He became interested in research on lithium-ion batteries during his undergraduate studies. He subsequently pursued a PhD at the University of Cambridge under the supervision of Professor Dame Clare P Grey and the co-supervision of Professor Vikram S Deshpande and Professor Norman A Fleck. His PhD research, funded by the Cambridge Trust and the Royal Society, sought to understand the surface reactivity, dopant local structure and dendrite initiation in garnet solid electrolyte based solid-state lithium-ion batteries. During his PhD, he custom-built numerous setups for solid electrolyte fabrication and characterisation and established a solid-state battery testing facility in the Department of Engineering.

He is currently a postdoctoral researcher working on providing fundamental insights into some of the remaining significant performance-limiting phenomena in solid-state batteries.

Rechargeable lithium-ion batteries have enabled the widespread usage of portable electronic devices. Although highly efficient, traditional lithium-ion batteries can catch fire and lose capacity quickly especially at high temperatures, during fast charge-discharge cycles and when high-voltage cathodes are used to increase energy and powder density of batteries. Solid-state batteries (SSBs) can theoretically overcome these limitations by replacing the flammable and unstable organic liquid electrolyte in traditional lithium-ion batteries with a solid electrolyte (ceramic).

Sundeep’s research tries to address some of the most challenging issues in the widespread adoption of SSBs namely, the formation of lithium metal dendrites and void formation at electrode-electrolyte interface in SSBs. He uses a wide range of techniques spanning different lengths and time scales to probe the factors that govern these phenomena and ultimately understand why SSBs fail and how they can be improved.

What's on

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Postgraduate Research Soirée

09/05/2024 at 17.45

Join Wolfson postgraduate students as they talk about their research in an informal evening of interesting presentations and friendly discussion – complete with wine and cheese! 

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Music and Madeira: Conversations with Angels

10/05/2024 at 18.30

The Alexandra Ensemble performs a programme of music by British composers for soprano and violin.

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Art Exhibition: Ceramics in the Bernard Leach Tradition

11/05/2024 at 10.00

A display of works from the Bradshaw-Bubier studio pottery collection.

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WolfWorks - Finishing off a dissertation

11/05/2024 at 10.00

This workshop will cover several aspects of formatting and proofreading a dissertation.

A close up photograph of Dr Achintya Prahlad in front of a leafy background

Lunchtime Lecture & Concert: A Glimpse into Hindustani Music

11/05/2024 at 13.30

A lunchtime lecture and concert focussed on k̲h̲ayāl, a system of vocal music within the broader universe of Hindustani music.

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