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Disorder Dynamics in Battery Nanoparticles During Phase Transitions Revealed by Operando Single-Particle Diffraction
Jason Huang, Daniel Weinstock, Hayley Hirsh +9
Structural and ion-ordering phase transitions limit the viability of sodium-ion intercalation materials in grid scale battery storage by reducing their lifetime. However, the combi…
Structure-selective operando x-ray spectroscopy
Daniel Weinstock, Hayley S. Hirsh, Oleg Yu. Gorobtsov +6
The relationship between charge and structure dictates the properties of electrochemical systems. For example, reversible Na-ion intercalation - a low-cost alternative to Li-ion te…
Bridging Nano and Micro-scale X-ray Tomography for Battery Research by Leveraging Artificial Intelligence
Jonathan Scharf, Mehdi Chouchane, Donal P. Finegan +11
X-ray Computed Tomography (X-ray CT) is a well-known non-destructive imaging technique where contrast originates from the materials' absorption coefficients. Novel battery characte…
Edge-Propagation Discharge Mechanism in CFx Batteries -- a First Principles and Experimental Study
Kevin Leung, Noah B. Schorr, Matthew Mayer +3
Graphite fluoride (CFx) cathodes coupled with lithium anodes yield one of the highest theoretical energy densities (>860 Wh/g) among primary batteries. In practice, the observed di…
Conformal Three-Dimensional Interphase of Li Metal Anode Revealed by Low Dose Cryo-Electron Microscopy
Bing Han, Xiangyan Li, Shuang Bai +7
Using cryogenic transmission electron microscopy, we revealed three dimensional (3D) structural details of the electrochemically plated lithium (Li) flakes and their solid electrol…
Interaction and transformation of metastable defects in intercalation materials
O. Yu. Gorobtsov, H. Hirsh, M. Zhang +10
Non-equilibrium defects often dictate macroscopic functional properties of materials. In intercalation hosts, widely used in rechargeable batteries, high-dimensional defects largel…