DRT-based modelling framework for Li-ion cells

no code implementations • 16 Mar 2022 • Pietro Iurilli, Claudio Brivio, Rafael E. Carrillo, Vanessa Wood

The correct assessment of battery states is essential to maximize battery pack performances while ensuring reliable and safe operation.

Management

Dynamic lattice distortions driven by surface trapping in semiconductor nanocrystals

no code implementations • 5 Jan 2021 • Burak Guzelturk, Benjamin L. Cotts, Dipti Jasrasaria, John P. Philbin, David A. Hanifi, Brent A. Koscher, Arunima D. Balan, Ethan Curling, Marc Zajac, Suji Park, Nuri Yazdani, Clara Nyby, Vladislav Kamysbayev, Stefan Fischer, Zach Nett, Xiaozhe Shen, Michael E. Kozina, Ming-Fu Lin, Alexander H. Reid, Stephen P. Weathersby, Richard D. Schaller, Vanessa Wood, Xijie Wang, Jennifer A. Dionne, Dmitri V. Talapin, A. Paul Alivisatos, Alberto Salleo, Eran Rabani, Aaron M. Lindenberg

Investigation of the excitation energy dependence shows that hot carriers created by a photon energy considerably larger than the bandgap induce structural distortions at nanocrystal surfaces on few picosecond timescales associated with the localization of trapped holes.

Mesoscale and Nanoscale Physics