Donal P. Finegan
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View article: Laser ablation of high-loading Li-ion battery electrodes improves accessible capacity and cycle life for Behind-the-Meter Storage
Laser ablation of high-loading Li-ion battery electrodes improves accessible capacity and cycle life for Behind-the-Meter Storage Open
View article: Battery Imaging Library: Multi-length scale and multi-modal synchrotron and laboratory battery imaging data for all
Battery Imaging Library: Multi-length scale and multi-modal synchrotron and laboratory battery imaging data for all Open
Battery research increasingly relies on advanced imaging, yet open access to such data remains rare, scattered across various sources, and difficult to find. The Battery Imaging Library (BIL) is the first open, curated collection of multi-…
View article: Applications of explainable artificial intelligence in renewable energy research
Applications of explainable artificial intelligence in renewable energy research Open
View article: Microstructure Scale Lithium-Ion Battery Modeling: Part II. On In-Plane Heterogeneities and the Mechanisms that Regulate Them
Microstructure Scale Lithium-Ion Battery Modeling: Part II. On In-Plane Heterogeneities and the Mechanisms that Regulate Them Open
Li-ion batteries performance and degradation are typically modeled at the macroscopic scale, that is neglecting in-plane heterogeneities that can arise from non-uniform electrode microstructures. Herein, a microstructure scale electrochemi…
View article: Depth-Resolved Lithiated Gradients in Pristine and Laser-Ablated Anodes During Fast Charging
Depth-Resolved Lithiated Gradients in Pristine and Laser-Ablated Anodes During Fast Charging Open
Laser ablating 3D electrode microstructures is a technique to improve Li-ion battery fast-charge performance. This technique has been theoretically proposed and electrochemically validated previously in the literature. The fundamental prin…
View article: Neutron-Friendly Li-Ion Battery Coin Cell for In Situ 3D Visualization of Li Plating
Neutron-Friendly Li-Ion Battery Coin Cell for In Situ 3D Visualization of Li Plating Open
Advanced battery characterization using in situ /operando neutron imaging is critical for uncovering degradation modes such as lithium (Li) plating in Li-ion batteries (LIBs). However, conventional LIBs hinder operando neutron radiography …
View article: Microstructure Scale Lithium-Ion Battery Modeling: Part III. When and Where Lithium Plating Occurs and its Correlation with the Electrode Microstructure
Microstructure Scale Lithium-Ion Battery Modeling: Part III. When and Where Lithium Plating Occurs and its Correlation with the Electrode Microstructure Open
Li-ion battery performance and degradation are closely related to the cell’s underlying electrode microstructure. Electrode microstructures are typically characterized with volume-averaged properties that neglect the impact of local hetero…
View article: Influence of Electrolyte Additives on Interfacial Stability of Manganese-Rich Lithium-Ion Battery Cathodes
Influence of Electrolyte Additives on Interfacial Stability of Manganese-Rich Lithium-Ion Battery Cathodes Open
Affordable, long-lasting energy storage has become critical to support increased electricity demand in recent years. Cobalt-free, lithium- and manganese-rich lithium nickel manganese oxide (LMR-NM) cathodes stand to reduce cost and supply-…
View article: Dual-functional thermocapacitive heat pump with electrochemical supercapacitors for building thermal management and energy storage
Dual-functional thermocapacitive heat pump with electrochemical supercapacitors for building thermal management and energy storage Open
View article: Stochastic 3D reconstruction of cracked polycrystalline NMC particles using 2D SEM data
Stochastic 3D reconstruction of cracked polycrystalline NMC particles using 2D SEM data Open
Li-ion battery performance is strongly influenced by the 3D microstructure of its cathode particles. Cracks within these particles develop during calendaring and cycling, reducing connectivity but increasing reactive surface, making their …
View article: Microstructure Scale Lithium-Ion Battery Modeling: Part I. On Through-Plane Heterogeneity, Impact of Mesh Representation, and Differences between Macro- and Microscale Models
Microstructure Scale Lithium-Ion Battery Modeling: Part I. On Through-Plane Heterogeneity, Impact of Mesh Representation, and Differences between Macro- and Microscale Models Open
Li-ion battery performance and degradation are strongly correlated with the electrode microstructures and can be modeled at different scales, each with their own limitations. Herein, we compare predictions achieved with a macro- and a micr…
View article: Microstructure Scale Lithium-Ion Battery Modeling, Part IV: The Representativity of Microstructure Parameters and Electrochemical Response
Microstructure Scale Lithium-Ion Battery Modeling, Part IV: The Representativity of Microstructure Parameters and Electrochemical Response Open
Lithium-ion battery electrochemical models require an accurate description of the electrodes microstructures to be predictive, that can be achieved through nanoscale imaging. Such observations are however limited by their field of view (FO…
View article: Neutron-friendly Li-ion battery coin cell for In Situ 3D visualization of Li plating
Neutron-friendly Li-ion battery coin cell for In Situ 3D visualization of Li plating Open
Advanced battery characterization using in situ/operando neutron imaging is essential for uncovering degradation modes in lithium-ion batteries (LIBs). However, current LIB designs hinder operando neutron radiography (NR) and in situ micro…
View article: Methods and devices for electrochemical relithiation of lithium-ion batteries
Methods and devices for electrochemical relithiation of lithium-ion batteries Open
Among other things, the present disclosure relates to re-purposing used lithium-ion batteries. The present disclosure includes treating an electrode using a solvent prior to electrochemically relithiating the electrode. In some embodiments…
View article: Stress engineering for crack and dendrite prevention in solid electrolytes via ion implantation
Stress engineering for crack and dendrite prevention in solid electrolytes via ion implantation Open
Solid-state batteries represent a promising technology that offers safer and more densely packed energy storage. A primary cause of failure in solid-state cells is the penetration of metal dendrites through the solid electrolyte. Here, we …
View article: Learning chemical potentials and parameters from voltage data for multi-phase battery modeling
Learning chemical potentials and parameters from voltage data for multi-phase battery modeling Open
Phase transition is a crucial phenomenon in many battery chemistries, especially for lithium-ion cells based on graphite electrodes. Accurately modeling this phenomenon is important for predicting and optimizing the performance of batterie…
View article: Heterogeneity of the Dominant Causes of Performance Loss in End‐of‐Life Cathodes and Their Consequences for Direct Recycling
Heterogeneity of the Dominant Causes of Performance Loss in End‐of‐Life Cathodes and Their Consequences for Direct Recycling Open
Recycling Li‐ion batteries from electric vehicles is critical for reducing costs and supporting the development of a domestic battery supply chain. Direct recycling of cathodes, like LiNi x Mn y Co z O 2 (NMC), is attractive due to its low…
View article: Fast-charging lithium-ion batteries: Synergy of carbon nanotubes and laser ablation
Fast-charging lithium-ion batteries: Synergy of carbon nanotubes and laser ablation Open
View article: Concavity-based local erosion and sphere-size-based local dilation applied to lithium-ion battery electrode microstructures for particle identification
Concavity-based local erosion and sphere-size-based local dilation applied to lithium-ion battery electrode microstructures for particle identification Open
Performance metrics of lithium-ion batteries can be extracted from the analysis of electrode microstructures nanoscale imaging. The characterization workflow can involve a challenging particle identification, or instance segmentation, step…
View article: Generating multi-scale Li-ion battery cathode particles with radial grain architectures using stereological generative adversarial networks
Generating multi-scale Li-ion battery cathode particles with radial grain architectures using stereological generative adversarial networks Open
View article: Visualizing Diverse Lithium Growth and Stripping Behaviors in Anode-Free Solid-State Batteries with Operando X-ray Tomography
Visualizing Diverse Lithium Growth and Stripping Behaviors in Anode-Free Solid-State Batteries with Operando X-ray Tomography Open
Anode-free solid-state batteries could have high energy densities and simplified manufacturing since excess lithium metal is not needed during cell assembly. However, the factors that control lithium growth/stripping at the anode current c…
View article: Laser Ablation for Managing Mechanical Stresses in High-Capacity Silicon Anodes for Lithium-Ion Batteries
Laser Ablation for Managing Mechanical Stresses in High-Capacity Silicon Anodes for Lithium-Ion Batteries Open
View article: Investigation of a Thermocapacitive Cycle by Aqueous Supercapacitors for Building Thermal Management
Investigation of a Thermocapacitive Cycle by Aqueous Supercapacitors for Building Thermal Management Open
View article: Laser Ablation of High-Loading Li-ion Battery Electrodes Improves Accessible Capacity and Cycle Life for Behind-the-Meter Storage
Laser Ablation of High-Loading Li-ion Battery Electrodes Improves Accessible Capacity and Cycle Life for Behind-the-Meter Storage Open
View article: Demonstration of and future perspective on scaling ultrafast-laser-ablation microstructuring of Li-ion battery electrodes to roll-to-roll production and large-format cells
Demonstration of and future perspective on scaling ultrafast-laser-ablation microstructuring of Li-ion battery electrodes to roll-to-roll production and large-format cells Open
This work demonstrates integration of an ultrafast laser onto a roll-to-roll machine, the laser structuring of a double-sided, 700 m long roll of graphite battery anode with a hybrid pattern and its subsequent manufacture into 27 Ah prisma…
View article: Stochastic 3D reconstruction of cracked polycrystalline NMC particles using 2D SEM data
Stochastic 3D reconstruction of cracked polycrystalline NMC particles using 2D SEM data Open
Li-ion battery performance is strongly influenced by their cathodes' properties and consequently by the 3D microstructure of the particles the cathodes are comprised of. During calendaring and cycling, cracks develop within cathode particl…
View article: Predicting the heat release variability of Li-ion cells under thermal runaway with few or no calorimetry data
Predicting the heat release variability of Li-ion cells under thermal runaway with few or no calorimetry data Open
View article: Achieving Passive Thermal Runaway Propagation Resistance in Li-ion Battery Packs
Achieving Passive Thermal Runaway Propagation Resistance in Li-ion Battery Packs Open
Because of their high specific and volumetric energy density, lithium-ion cells are popular in energy storage systems with strict mass and volume restrictions. Such applications include electric vehicles, power tools, consumer electronics,…
View article: Modeling of Li-ion Battery Thermal Runaway: Insights into Modeling and Prediction
Modeling of Li-ion Battery Thermal Runaway: Insights into Modeling and Prediction Open
This article discusses the dual challenges of modeling and predicting thermal runaway (TR) in li-ion batteries. It explores the current challenges of TR modeling, the methods for progressing from single cells to battery packs, and future d…
View article: Dynamics of Intra‐Cell Thermal Front Propagation in Lithium‐Ion Battery Safety Issues
Dynamics of Intra‐Cell Thermal Front Propagation in Lithium‐Ion Battery Safety Issues Open
Thermal runaway (TR), a critical failure mode in lithium‐ion batteries (LIBs), poses significant safety risks and hinders wider application of LIBs. TR typically begins at a localized heat source and spreads across the cell. Understanding …