Porous electrode modeling and its applications to Li‐ion batteries

Z Chen, DL Danilov, RA Eichel… - Advanced Energy …, 2022 - Wiley Online Library
Battery modeling has become increasingly important with the intensive development of Li‐
ion batteries (LIBs). The porous electrode model, relating battery performances to the …

Modeling electrochemical impedance spectroscopy

F Ciucci - Current Opinion in Electrochemistry, 2019 - Elsevier
Electrochemical impedance spectroscopy (EIS) is a powerful technique that is used for
characterizing electrochemical systems. The EIS data can be correlated with many key …

Recent progress in the use of electrochemical impedance spectroscopy for the measurement, monitoring, diagnosis and optimization of proton exchange membrane …

Z Tang, QA Huang, YJ Wang, F Zhang, W Li, A Li… - Journal of Power …, 2020 - Elsevier
The performance of proton exchange membrane fuel cells (PEMFCs), including reaction
activity and durability, requires further improvement before large-scale commercialization …

The electrode tortuosity factor: why the conventional tortuosity factor is not well suited for quantifying transport in porous Li-ion battery electrodes and what to use …

TT Nguyen, A Demortière, B Fleutot… - npj Computational …, 2020 - nature.com
The tortuosity factor of porous battery electrodes is an important parameter used to correlate
electrode microstructure with performance through numerical modeling. Therefore, having …

Diffusion impedance of electroactive materials, electrolytic solutions and porous electrodes: Warburg impedance and beyond

J Huang - Electrochimica Acta, 2018 - Elsevier
The diffusion coefficient is a key property of materials. Electrochemical impedance
spectroscopy (EIS) is a routine tool to determine the diffusion coefficient. Albeit being …

Competing Effect of Co3+ Reducibility and Oxygen-Deficient Defects Toward High Oxygen Evolution Activity in Co3O4 Systems in Alkaline Medium

C Alex, SC Sarma, SC Peter… - ACS Applied Energy …, 2020 - ACS Publications
In Co3O4 systems, the oxygen vacancy is reported to improve the oxygen evolution reaction
(OER) activity because of higher Co2+/Co3+ surface ratio. In situ studies have revealed …

Gradient architecture design in scalable porous battery electrodes

X Zhang, Z Hui, ST King, J Wu, Z Ju, KJ Takeuchi… - Nano Letters, 2022 - ACS Publications
Because it has been demonstrated to be effective toward faster ion diffusion inside the pore
space, low-tortuosity porous architecture has become the focus in thick electrode designs …

Influence of conductive additives and binder on the impedance of lithium-ion battery electrodes: effect of morphology

S Hein, T Danner, D Westhoff, B Prifling… - Journal of The …, 2020 - iopscience.iop.org
Most cathode materials for lithium-ion batteries exhibit a low electronic conductivity. Hence,
a significant amount of conductive graphitic additives are introduced during electrode …

How machine learning will revolutionize electrochemical sciences

A Mistry, AA Franco, SJ Cooper, SA Roberts… - ACS energy …, 2021 - ACS Publications
Electrochemical systems function via interconversion of electric charge and chemical
species and represent promising technologies for our cleaner, more sustainable future …

Resolving the discrepancy in tortuosity factor estimation for Li-ion battery electrodes through micro-macro modeling and experiment

FLE Usseglio-Viretta, A Colclasure… - Journal of The …, 2018 - iopscience.iop.org
Battery performance is strongly correlated with electrode microstructural properties. Of the
relevant properties, the tortuosity factor of the electrolyte transport paths through …