Simulation of bi-layer cathode materials with experimentally validated parameters to improve ion diffusion and discharge capacity

DOI: 10.1039/d0se01611j Authors: Ridwanur Chowdhury, Aayan Banerjee, Yan Zhao, Xinhua Liu, Nigel P. Brandon Abstract: Simulation shows that higher electrode utilization (next to current collector) and first discharge capacity can be achieved at high C-rates with...

Revisiting the promise of Bi-layer graded cathodes for improved Li-ion battery performance

DOI: 10.1039/d1se01077h Authors: Ridwanur Chowdhury, Yan Zhao, Yuhua Xia, Mengzheng Ouyang, Nigel P. Brandon, Aayan Banerjee Abstract: Experimental results show that bi-layer graded cathodes exhibit higher discharge capacity with increasing C-rates compared to...

A solid-state electrolyte for electrochemical lithium–sulfur cells

DOI: 10.1039/d3ra05937e Authors: Pei‐Yin Chen, Bo-Xian Ye, Sheng‐Heng Chung Abstract: A lithium lanthanum titanate (LLTO) solid-state electrolyte is adopted in a lithium–sulfur cell to stabilize the passivated lithium anode and to demonstrate the optimized...

Interlaboratory Study Assessing the Analysis of Supercapacitor Electrochemistry Data

DOI: 10.26434/chemrxiv-2023-fjllf Authors: Jamie W. Gittins, Yuan Chen, Stefanie Arnold, Veronica Augustyn, Andrea Balducci, Thierry Brousse, Elżbieta Frąckowiak, Pedro Gómez‐Romero, Archana Kanwade, Lukas Köps, Plawan Kumar Jha, Michele Meo, Deepak Pandey, Le Pang,...

Li-Ion Cell Safety Monitoring Using Mechanical Parameters, Part 3: Battery Behaviour during Abusive Overcharge

DOI: 10.3390/batteries9070338 Authors: Angel Kirchev, Nicolas Guillet, Loïc Lonardoni, Sebastien Dumenil Abstract: The electrochemical and mechanical behaviour of 18,650 Li-ion cells subjected to abusive overcharge has been studied in constant current and constant...