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View article: Maximizing calendering effects through the mechanical pulverization of Co-free nickel-rich cathodes in lithium-ion cells
Maximizing calendering effects through the mechanical pulverization of Co-free nickel-rich cathodes in lithium-ion cells Open
Calendering is a technique used to maximize the volumetric energy density of battery electrodes. However, higher amounts of calendering result in increased tortuosity and particle cracking. We propose a novel packing structure of electrode…
View article: EVALS: Enhanced VALidation of Advanced Battery Supply Chains
EVALS: Enhanced VALidation of Advanced Battery Supply Chains Open
This is an overview of EVALS (Enhanced VALidation of advanced battery Supply chains), funded by the U.S. Department of Energy Vehicle Technologies Office (VTO) and some initial data from a transformational laboratory directed research and …
View article: Optimized purification methods for metallic contaminant removal from directly recycled Li-ion battery cathodes
Optimized purification methods for metallic contaminant removal from directly recycled Li-ion battery cathodes Open
Metallic contaminants pose a significant challenge to the viability of directly recycling Li-ion batteries. To date, few strategies exist to selectively remove metallic impurities from mixtures of shredded end-of-life material (black mass;…
View article: Mechanical Pulverization of Co-Free Nickel-Rich Cathodes for Improved High-Voltage Cycling of Lithium-Ion Batteries
Mechanical Pulverization of Co-Free Nickel-Rich Cathodes for Improved High-Voltage Cycling of Lithium-Ion Batteries Open
Nickel-rich cathode materials are quickly becoming the next commercial cathode for electric vehicles; however, their long-term cycle life retention and air stability remain a barrier to the use of these lower-cost, higher-energy density ma…
View article: Operando Measurements of Electrolyte Li-ion Concentration during fast charging with FTIR/ATR
Operando Measurements of Electrolyte Li-ion Concentration during fast charging with FTIR/ATR Open
The ability to charge a Li-ion battery at high charging rates is critical for electric vehicle adoption; however, further study of ion transport is required to develop electrolytes suitable for fast charge. Fourier transform infrared spect…
View article: Batteries Annual Progress Report (FY2019)
Batteries Annual Progress Report (FY2019) Open
The Vehicle Technologies Office (VTO) of the Department of Energy (DOE) conducts research and development (R&D) on advanced transportation technologies that would reduce the nation’s use of imported oil and would also lead to reductions in…
View article: High-Contrast Visualization of Anti-Phase Domains and Screw Dislocations in 3C-SiC
High-Contrast Visualization of Anti-Phase Domains and Screw Dislocations in 3C-SiC Open
Silicon carbide (SiC) is an important wide bandgap semiconductor with many polytypes.3C-SiC is the only cubic polytype, to be distinguished from the hexagonal polytypes such as 4H-SiC and 6H-SiC.Crystalline 3C-SiC, grown by heteroepitaxy, …