Laura Wheatcroft
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View article: Mechanical Properties of Cycled Single Crystal LiNi<sub>0.8</sub>Mn<sub>0.1</sub>Co<sub>0.1</sub>O<sub>2</sub> (NMC811) Particles
Mechanical Properties of Cycled Single Crystal LiNi<sub>0.8</sub>Mn<sub>0.1</sub>Co<sub>0.1</sub>O<sub>2</sub> (NMC811) Particles Open
Single crystal (SC) particle morphologies are attracting significant attention as an alternative to polycrystalline (PC) secondary particles within battery cathodes, to circumvent the degradation paths associated with weak grain boundaries…
View article: Influence of Cathode Calendering Density on the Cycling Stability of Li-Ion Batteries Using NMC811 Single or Poly Crystalline Particles
Influence of Cathode Calendering Density on the Cycling Stability of Li-Ion Batteries Using NMC811 Single or Poly Crystalline Particles Open
Calendering of battery electrodes is a commonly used manufacturing process that enhances electrode packing density and therefore improves the volumetric energy density. While calendering is standard industrial practice, it is known to crac…
View article: In Situ Fracture Behavior of Single Crystal LiNi<sub>0.8</sub>Mn<sub>0.1</sub>Co<sub>0.1</sub>O<sub>2</sub> (NMC811)
In Situ Fracture Behavior of Single Crystal LiNi<sub>0.8</sub>Mn<sub>0.1</sub>Co<sub>0.1</sub>O<sub>2</sub> (NMC811) Open
Single crystal particle morphologies have become highly desirable for next generation cathode materials, removing grain boundary fracture and thereby reducing the surface area exposed to electrolyte. The intrinsic mechanical behavior of si…
View article: Structural Insight into Protective Alumina Coatings for Layered Li-Ion Cathode Materials by Solid-State NMR Spectroscopy
Structural Insight into Protective Alumina Coatings for Layered Li-Ion Cathode Materials by Solid-State NMR Spectroscopy Open
Layered transition metal oxide cathode materials can exhibit high energy densities in Li-ion batteries, in particular, those with high Ni contents such as LiNiO2. However, the stability of these Ni-rich materials often decreases…
View article: Influence of Cathode Calendering Density on the Cycling Stability of Li-Ion Batteries Using Nmc811 Single or Poly Crystalline Particles
Influence of Cathode Calendering Density on the Cycling Stability of Li-Ion Batteries Using Nmc811 Single or Poly Crystalline Particles Open
View article: Fracture Testing of Lithium‐Ion Battery Cathode Secondary Particles in‐situ inside the Scanning Electron Microscope
Fracture Testing of Lithium‐Ion Battery Cathode Secondary Particles in‐situ inside the Scanning Electron Microscope Open
Fracture of cathode secondary particles is a critical degradation mechanism in lithium‐ion batteries. The microindentation strength of LiNi 0.8 Mn 0.1 Co 0.1 O 2 secondary particles is measured in situ in the scanning electron microscope (…
View article: Role of Binder Molecular Weight on the Rheology and Microstructure of Cathode Slurries for Lithium-Ion Batteries
Role of Binder Molecular Weight on the Rheology and Microstructure of Cathode Slurries for Lithium-Ion Batteries Open
View article: Mechanical properties of cathode materials for lithium-ion batteries
Mechanical properties of cathode materials for lithium-ion batteries Open
View article: Perspectives for next generation lithium-ion battery cathode materials
Perspectives for next generation lithium-ion battery cathode materials Open
Transitioning to electrified transport requires improvements in sustainability, energy density, power density, lifetime, and approved the cost of lithium-ion batteries, with significant opportunities remaining in the development of next-ge…
View article: Structural Degradation Studies of High Voltage Lithium Ion Battery Materials
Structural Degradation Studies of High Voltage Lithium Ion Battery Materials Open
High voltage Li-ion battery materials are being developed for high energy density applications, such as electric vehicles, and grid scale storage. However, high voltage cathode materials, such as LiCoPO4, typically undergo severe capacity …
View article: Visualization and Chemical Characterization of the Cathode Electrolyte Interphase Using He-Ion Microscopy and <i>In Situ</i> Time-of-Flight Secondary Ion Mass Spectrometry
Visualization and Chemical Characterization of the Cathode Electrolyte Interphase Using He-Ion Microscopy and <i>In Situ</i> Time-of-Flight Secondary Ion Mass Spectrometry Open
Unstable cathode electrolyte interphase (CEI) formation increases degradation in high voltage Li-ion battery materials. Few techniques couple characterization of nano-scale CEI layers on the macroscale with in situ chemical characte…
View article: Towards in-situ TEM for Li-ion Battery Research
Towards in-situ TEM for Li-ion Battery Research Open
Due to recent developments in new battery materials for higher energy density applications there has been growing interest in new characterization techniques capable of time-resolved in situ/in operando analysis of dynamic Battery systems.…