A5082583363- Advancements in Battery Materials
- Advanced Battery Technologies Research
- Advanced Battery Materials and Technologies
- Semiconductor materials and devices
- Organic Light-Emitting Diodes Research
- Radical Photochemical Reactions
- Catalytic Processes in Materials Science
- Sulfur-Based Synthesis Techniques
- Metallurgical and Alloy Processes
- Catalysis and Hydrodesulfurization Studies
- Transition Metal Oxide Nanomaterials
- Machine Learning in Materials Science
- Extraction and Separation Processes
McGill University
2022-2025
California Polytechnic State University
2022
To improve sustainable Li-ion cathodes, materials with high energy and low transition metal dissolution are needed. High-throughput experiments coupled to machine-learning used accelerate the design of Co-free Li-rich materials.
Na–Fe–Mn–O cathodes hold promise for environmentally benign high‐energy sodium‐ion batteries, addressing material scarcity concerns in Li‐ion batteries. To date, these materials show poor stability the air and suffer significant Fe/Mn dissolution during use. These two detrimental surface effects have so far prevented commercialization of materials. Herein, high‐throughput experiments to make hundreds substitutions into a previously optimized are utilized. Numerous single‐phase made with good...
Lithium-ion batteries for high-power applications have become an increasingly important area of development as these devices been used in implantable medical devices, where extreme safety and long lifetimes are essential. TiNb2O7 has emerged a promising candidate to replace the current industrial standard Li4Ti5O12 safe anode. In this study, we use combinatorial methods screen effects 52 different dopants (M) composition (TiNb2)0.98M0.06O7 with unique elemental dopants. The materials were...
Abstract While searching for ultra‐safe high‐power anodes Li‐ion batteries, TiNb 2 O 7 (TNO) emerged as a promising material higher energy density compared to the current state‐of‐the‐art Li 4 Ti 5 12 (LTO). Here, electrochemistry of isolated carbon coated particles both anode materials were first time studied using scanning electrochemical cell microscopy (SECCM). Interestingly, stochastic event observations made possible because small created by SECCM and designated potential‐driven events...
In the rapidly evolving rechargeable battery market, various applications lead to varied property requirements. One area that is emerging as essential high-power batteries. These are expected be able charge and discharge in order of minutes (slower than supercapacitors but faster typical Li-ion batteries) still have a high energy density (orders magnitude higher lower high-energy batteries). this space, anodes operating at safe potential (near 1.5 V versus Li) sacrifice some enable fast...
New materials are currently needed to serve as anodes in Li-ion batteries for applications that require extreme safety, long lifetimes, high power and improved energy density.
While much attention in recent years has been given to high performance Li-ion batteries for electrical vehicles, other applications such as medical devices require a unique set of properties that demand different material considerations long lifetimes and extremely safety. Anodes must be carefully selected properly achieve these goals. The most commonly industrially utilized anode material, graphite, is not suitable due particle fracture Li dendrite growth at rates. Currently device...
While much attention in recent years has been given to high performance Li-ion batteries for electrical vehicles, other applications require properties that demand a different set of material considerations such as long lifetimes and extremely safety reliability. Anodes must be carefully selected properly achieve these goals. The most commonly industrially utilized anode material, graphite, is not ideal due particle fracture Li dendrite growth at rates. current state the art power materials...