Interfacial Processes in Lithium-Ion Batteries Using Advanced Characterization
Explore interfacial chemistry in lithium-ion batteries focusing on SEI and CEI formation using advanced characterization. Develop insights into optimizing formation protocols with ALD coatings and environmentally friendly electrolytes to improve battery efficiency and safety.
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Project Description
Project Overview
This project is part of the DigiCellFab initiative aiming to develop a fundamental understanding of the formation and stabilization of the Solid Electrolyte Interphase (SEI) and Cathode Electrolyte Interphase (CEI) in lithium-ion batteries. The work focuses on reducing production time and cost while improving battery performance and safety by optimizing formation protocols and using Atomic Layer Deposition (ALD)-based protective coatings to control interphase formation.
What You Will Do
The PhD candidate will systematically study the interplay between formation conditions (such as current density, temperature, pressure), electrolyte composition, and coated electrode surfaces with an emphasis on using PFAS-free electrolyte systems. The research involves combining electrochemical testing with advanced characterization techniques like FIB-SEM for site-specific cross-sectioning and interphase analysis, supported by complementary microscopy and spectroscopy methods.
Expected Outcomes
The project aims to establish direct structure-function relationships linking formation protocols, coating properties, and interphase characteristics to battery performance, offering pathways to more sustainable, cost-effective, and safer lithium-ion batteries.
Why This Matters
Understanding and controlling the nanoscale interphase layers in lithium-ion batteries is crucial to enhancing their longevity, safety, and environmental footprint. This research contributes to advancing energy storage technology critical for sustainable energy solutions worldwide.
Entry Requirements
Eligibility
Supervisor Profile
Dr. Swapna Ganapathy is a researcher affiliated with the Faculty of Applied Sciences at Delft University of Technology, focusing on battery materials and interfacial phenomena. Her work involves advanced characterization of electrochemical systems, particularly the nanoscale processes governing battery performance and stability. She contributes to collaborative projects like DigiCellFab, aiming to innovate lithium-ion battery technology.