Electron and ion transport in lithium and lithium-ion battery negative and positive composite electrodes
Electrochemical energy storage systems, specifically lithium and lithium-ion batteries, are
ubiquitous in contemporary society with the widespread deployment of portable electronic …
ubiquitous in contemporary society with the widespread deployment of portable electronic …
From fundamental understanding to engineering design of high‐performance thick electrodes for scalable energy‐storage systems
The ever‐growing needs for renewable energy demand the pursuit of batteries with higher
energy/power output. A thick electrode design is considered as a promising solution for high …
energy/power output. A thick electrode design is considered as a promising solution for high …
Peering into batteries: electrochemical insight through in situ and operando methods over multiple length scales
In order to overcome the limitations of static and destructive characterizations of Li-ion
battery materials and components, comprehensive investigation peering into batteries over …
battery materials and components, comprehensive investigation peering into batteries over …
Optimal electrode-scale design of Li-ion electrodes: A general correlation
Multi-scale physics-based models, which have been parameterized and validated with
discharge experiments, are optimized by varying porosity and mass loading to achieve …
discharge experiments, are optimized by varying porosity and mass loading to achieve …
Quantifying uncertainty in tortuosity estimates for porous electrodes
KS Mayilvahanan, Z Hui, K Hu, J Kuang… - Journal of the …, 2021 - iopscience.iop.org
Measuring tortuosity in porous electrodes is important for understanding rate capability and
optimizing design. Here, we describe an approach to determine electrode tortuosities and …
optimizing design. Here, we describe an approach to determine electrode tortuosities and …
Lithium vanadium oxide (Li 1.1 V 3 O 8) thick porous electrodes with high rate capacity: Utilization and evolution upon extended cycling elucidated via operando …
AH McCarthy, K Mayilvahanan, MR Dunkin… - Physical Chemistry …, 2021 - pubs.rsc.org
The phase distribution of lithiated LVO in thick (∼ 500 μm) porous electrodes (TPEs)
designed to facilitate both ion and electron transport was determined using synchrotron …
designed to facilitate both ion and electron transport was determined using synchrotron …
Understanding evolution of lithium trivanadate cathodes during cycling via reformulated physics-based models and experiments
KS Mayilvahanan, J Kuang, AH McCarthy… - Journal of The …, 2021 - iopscience.iop.org
Degradation of lithium trivanadate (Li x V 3 O 8) cathodes has been widely reported in the
literature, but studies have offered little insight towards developing a detailed understanding …
literature, but studies have offered little insight towards developing a detailed understanding …
Parameter estimation for electrode degradation: Learning in the face of model-experiment discrepancies
Use of physics-based models to interpret battery degradation data over the course of cycling
can provide deeper physical insight into the internal states of the system and how they …
can provide deeper physical insight into the internal states of the system and how they …
Transport in and optimization of aligned-channel Li-ion electrode architectures
Advanced electrode architectures utilizing aligned channels show promise in improving rate
performance. However, the relationship between aligned channel structure and electrode …
performance. However, the relationship between aligned channel structure and electrode …
Physics-based models, machine learning, and experiment: towards understanding complex electrode degradation
Degradation phenomena in Li-ion batteries are highly complex, coupled, and sensitive to
use history and operating conditions. In this study, we show how tracking model parameters …
use history and operating conditions. In this study, we show how tracking model parameters …