Search Results - m.+whittingham

6 Results Sort By:
Niobium-Enhanced High-Nickel Cathodes for Longer-Lasting, Fast-Charging Li-ion Batteries
This technology introduces a one-step niobium modification that forms a LiNbO₃ surface layer and incorporates Nb⁵⁺ into nickel-rich layered cathodes (e.g., NMC 811). By simultaneously stabilizing the surface and bulk, it achieves higher first-cycle efficiency, faster charge rates, and dramatically improved cycling stability through a simple, scalable...
Published: 10/3/2025   |   Inventor(s): Fengxia Xin, M. Whittingham
Keywords(s): CleanTech
Category(s): Campus > Binghamton University, Technology Classifications > Energy
Next-Generation Lithium Batteries with Niobium-Enhanced ε-VOPO₄ Cathodes
This invention introduces a niobium-modified ε-VOPO₄ cathode that achieves its full 305 mAh/g theoretical capacity with 98% coulombic efficiency. Featuring a stable 3D tunnel structure, dual voltage plateaus, and enhanced cycling durability, it enables high-performance, low-cost lithium batteries for EVs, grid storage, and advanced electronics....
Published: 10/3/2025   |   Inventor(s): Krystal Lee, Carrie Siu, Fengxia Xin, M. Whittingham
Keywords(s): Technologies
Category(s): Campus > Binghamton University
Next-Generation Lithium-Ion Batteries Enabled by ε-VOPO₄ Cathode Innovation
This invention introduces an ε-VOPO₄-based lithium-ion cathode that achieves its full theoretical capacity of 305 mAh/g with 98% coulombic efficiency. Using a novel slurry formulation and scalable electrode production method, it delivers high-capacity, stable, and cost-effective energy storage with simplified dual-voltage operation. Background:...
Published: 10/3/2025   |   Inventor(s): Krystal Lee, M. Whittingham, Carrie Siu, Fengxia Xin
Keywords(s): Technologies
Category(s): Campus > Binghamton University
Revolutionary Dry Electrode Extrusion for Sustainable, High-Performance Lithium-Ion Batteries
This invention introduces ε-VOPO₄, a tunnel-structured vanadyl phosphate cathode that enables a two-electron redox reaction with dual voltage plateaus, delivering up to 316 mAh/g capacity and >900 Wh/kg specific energy. Combining stability, scalability, and cost-effective synthesis, it overcomes the energy–safety tradeoffs of LiCoO₂...
Published: 10/3/2025   |   Inventor(s): Carrie Siu, M. Whittingham
Keywords(s): #SUNYresearch, CleanTech, Technologies
Category(s): Technology Classifications > Clean Energy, Campus > Binghamton University
High-Energy Sodium-Ion Batteries with Multi-Electron KVOPO₄ Cathode
This invention introduces potassium vanadium phosphate (KVOPO₄) as a novel sodium-ion battery cathode. Its tunnel structure enables multi-electron redox reactions, achieving a practical capacity of 181 mAh/g with stable cycling and distinct voltage plateaus. By using abundant sodium instead of lithium, it provides a safer, scalable, and cost-effective...
Published: 10/3/2025   |   Inventor(s): Jia Ding, M. Whittingham
Keywords(s): #SUNYresearch, CleanTech, Technologies
Category(s): Technology Classifications > Electronics, Campus > Binghamton University
Synthesis of the Cathode Material
ε-VOPO4 polyanionic cathode materials for high energy density Li-ion batteries. Background: It is known that finite fossil-fuel supplies, global warming and environmental pollution conspire to make the use of renewable energies a worldwide imperative. Due to the intermittence of the renewable energies (such as wind, wave and solar) outputs,...
Published: 8/21/2025   |   Inventor(s): M. Whittingham, Zehua Chen, Ruibo Zhang
Keywords(s): #SUNYresearch, CleanTech, Technologies
Category(s): Technology Classifications > Clean Energy, Campus > Binghamton University