Cation-disordered cathode for high-energy, long-life Li-ion
This technology describes a new class of cathode materials for lithium-ion batteries in which lithium (or another Group I metal) is present in excess relative to the other metal components, creating a disordered crystal structure. By combining at least two different transition metals alongside lithium in this cation-disordered arrangement, the material can store and release charge through multiple redox reactions across a wide voltage window. The result is a cathode that delivers high energy capacity, maintains that capacity well at fast charge/discharge rates, and retains performance over 1,000 charge cycles. This addresses a persistent tradeoff in battery cathode chemistry between energy density, power delivery, and long-term durability.
What you could build
A drop-in cathode material for lithium-ion battery manufacturers seeking higher energy density with durable cycle life, targeting EV battery makers and grid storage system integrators who need longer-lasting cells without cobalt-heavy chemistries.
Who in Virginia should care
Virginia-based defense contractors, data center operators, and EV-adjacent manufacturers (e.g., Volvo Trucks' Dublin facility or defense prime suppliers) would have interest in longer-life, high-density battery cells for mobile and stationary storage.
Readiness: Lab validated
Concept — described but not yet demonstrated. Lab validated — supported by experimental results in the patent. Prototype likely — the text describes a built, working embodiment.
Readiness is inferred from the patent text, not from a lab visit.
The record
- Inventors
- Feng LIN, Xuerong ZHENG
- Filed
- Patent pending — filed August 28, 2024
- Status
- Application
- Publication number
- US20250289730A1
Ready to talk?
Virginia Tech Intellectual Properties handles licensing for this technology. Email us for an introduction prosim@harbor.capital.
Prosim summaries are generated from public patent text and are not legal advice.