Alloys, the most traditional and widely-used materials, are still attracting research interest with their diversity and novel properties. To understand or predict the properties of …
Calculations of thermodynamic and mechanical properties of defected or non-crystalline bulk structure simulations benefit from the level of accuracy permitted by density functional theory (DFT) …
Abstract of Densification of Thermal-Barrier Coatings and the Crystallization of Silicate-Salt Mixtures By Ruibang Yi, Sc.M., Brown University, May (2023) Systematic studies have been performed …
Fast charging of lithium-ion batteries while avoiding lithium metal plating is a central hurdle for widespread adoption of electric vehicles. As the most commonly used …
Silicon is considered one of the promising anode materials owing to its exceptionally high specific capacity (4200 mAh/g) and relatively low discharge voltage (0.4 V). …
A thorough understanding of the properties of oxides, including the formation of oxygen vacancy, surface termination, and an interface between oxide and metal, can benefit …
Abstract of “Experimental Investigations on Mechanical and Structural Phenomena in Next-Generation Lithium-ion Battery Materials” by Jung Hwi (Juny) Cho, Ph.D., Brown University, May 2022. Throughout …
The low formation energies of metal halide perovskites (MHPs) make it possible to solution-process them near room temperature, but also make them unstable. While significant …
Perovskite Solar Cells (PSCs) based on hybrid organic-inorganic halide perovskites (OIHPs) have been under the spotlight due to the unprecedented promise of a low-cost and …
The 6000 series (Al-Mg-Si) aluminum alloys are relevant to the automotive industry due to their low density, good formability and cost-effectiveness relative to their 7000 …
The purpose of these experiments is to study the thermal effect of silicon electrode lithium ion battery during high temperature aging. The main reasons for …
Thin film growth is a long-standing research topic in material science research. A better understand the relations of film’s stress with its experiment temperature, deposition …
Ceramic-matrix composites (CMCs) are being used to replace metallic hot-section components, enabling higher operating temperatures and higher efficiencies in gas-turbine engines used to propel aircraft …
Lithium-rich transition metal oxides (LR-NMC) are attractive cathode materials for lithium-ion batteries due to their high capacity. Their structural instability during cycling remains one of …
Advanced high strength steels with a lath martensitic microstructure (MS-AHSS) and tensile strengths > 1 GPa are of interest for automotive applications but are susceptible to …
Sn, which offers large theoretical capacity (994 mAh/g), is a potentially useful anode material in lithium-ion batteries. However, Sn exhibits irreversible capacity loss through mechanical …
Intrinsic stresses which develop during thin film deposition can degrade film performance and lead to the failure of systems and devices which rely on thin …