Calendar aging of lithium-ion batteries

P Keil, SF Schuster, J Wilhelm, J Travi… - Journal of The …, 2016 - iopscience.iop.org
In this study, the calendar aging of lithium-ion batteries is investigated at different
temperatures for 16 states of charge (SoCs) from 0 to 100%. Three types of 18650 lithium …

Aging of lithium-ion batteries in electric vehicles

P Keil - 2017 - mediatum.ub.tum.de
The battery life is one of the central challenges in the development of electric vehicles. This
thesis investigates the aging of lithium-ion batteries in electric vehicle applications based on …

Quantifying microstructural dynamics and electrochemical activity of graphite and silicon-graphite lithium ion battery anodes

P Pietsch, D Westhoff, J Feinauer, J Eller… - Nature …, 2016 - nature.com
Despite numerous studies presenting advances in tomographic imaging and analysis of
lithium ion batteries, graphite-based anodes have received little attention. Weak X-ray …

Fast charging for electric vehicles applications: Numerical optimization of a multi-stage charging protocol for lithium-ion battery and impact on cycle life

R Mathieu, O Briat, P Gyan, JM Vinassa - Journal of energy storage, 2021 - Elsevier
One challenge of fast charging for electric vehicles is the potential degradation caused by
high charge currents on the battery. This article focuses on the numerical optimization of fast …

[HTML][HTML] Differential voltage analysis for battery manufacturing process control

A Weng, JB Siegel, A Stefanopoulou - Frontiers in Energy Research, 2023 - frontiersin.org
Voltage-based battery metrics are ubiquitous and essential in battery manufacturing
diagnostics. They enable electrochemical “fingerprinting” of batteries at the end of the …

[HTML][HTML] State of charge dependency of the overvoltage generated in commercial Li-ion cells

VJ Ovejas, A Cuadras - Journal of Power Sources, 2019 - Elsevier
The overvoltage that is produced in the cells under operation limits the capacity and power
they can deliver. A detailed study about the mechanisms that contribute to that overvoltage …

Freeze-dried low-tortuous graphite electrodes with enhanced capacity utilization and rate capability

D Dang, Y Wang, S Gao, YT Cheng - Carbon, 2020 - Elsevier
Lithium ion battery electrodes with high rate capability are important for extreme fast
charging (XFC) for electric vehicle applications. Making low-tortuous electrodes is one of the …

Operando Neutron Powder Diffraction Using Cylindrical Cell Design: The Case of LiNi0.5Mn1.5O4 vs Graphite

L Boulet-Roblin, P Borel, D Sheptyakov… - The Journal of …, 2016 - ACS Publications
In order to follow the structural changes correlated to the evolution of the lithium content in
high voltage battery systems (based on a disordered LiNi0. 5Mn1. 5O4 (d-LNMO) and a …

Experimental characterization of Li-ion battery resistance at the cell, module and pack level

L Wildfeuer, N Wassiliadis, C Reiter… - 2019 fourteenth …, 2019 - ieeexplore.ieee.org
Nowadays, a large variety of lithium-ion battery (LIB) configurations are being developed in
order to meet the specific requirements of different applications, eg, for battery electric …

Free energy model for lithium intercalation in graphite: focusing on the coupling with graphene stacking sequence

M Rykner, M Chandesris - The Journal of Physical Chemistry C, 2022 - ACS Publications
During intercalation, some layered intercalation compounds undergo phase separation
between several stable phases, known as stages. Of particular interest is the case of …