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Origins of Large Voltage Hysteresis in High Energy-Density Metal Fluoride Lithium-Ion Battery Conversion Electrodes
Linsen Li, Ryan Jacobs, Peng Gao +4
Metal fluoride and oxides can store multiple lithium-ions through conversion chemistry to enable high energy-density lithium-ion batteries. However, their practical applications ha…
Lithium transport through Lithium-ion battery cathode coatings
Shenzhen Xu, Ryan M. Jacobs, Ha M. Nguyen +4
The surface coating of cathodes using insulator films has proven to be a promising method for high-voltage cathode stabilization in Li-ion batteries. However, there is still substa…
Understanding and controlling the work function of perovskite oxides using Density Functional Theory
Ryan Jacobs, John Booske, Dane Morgan
Perovskite oxides containing transition metals are promising materials in a wide range of electronic and electrochemical applications. However, neither their work function values n…
Electron Emission Energy Barriers and Stability of with Adsorbed Ba and Ba-O
Ryan M. Jacobs, John H. Booske, Dane Morgan
In this study we employ Density Functional Theory (DFT) methods to investigate the surface energy barrier for electron emission (surface barrier) and thermodynamic stability of Ba…
Intrinsic defects and conduction characteristics of in thermionic cathode systems
Ryan M. Jacobs, John H. Booske, Dane Morgan
Recent experimental observations indicate that bulk (~200 nm thick), an insulator at room temperature and pressure, must act as a good electronic conductor during thermio…