Lithium Sulfur Batteries
High-Density Li-S Batteries: The Future of Energy Storage
- Develop high-performance lithium–sulfur battery systems with significantly enhanced energy density and cycle life.
- Engineer advanced cathode architectures, electrolytes, and separators to mitigate polysulfide shuttle effects.
- Improve lithium anode stability and overall cell safety under practical operating conditions.
- Utilize sustainable, low-cost materials including sulfur and engineered carbon structures.
- Enable scalable designs suitable for electric vehicles and grid-scale energy storage .
Methodology
- Design and synthesize nanostructured carbon-based cathodes to enhance sulfur utilization and conductivity.
- Develop functional polymer and hybrid electrolytes to regulate polysulfide transport and improve stability.
- Engineer advanced separators with selective ion transport and shuttle suppression capabilities.
- Optimize lithium metal anodes through surface modification and protective interphases.
- Conduct systematic electrochemical testing including cycling, rate capability, and safety evaluation.
- Scale from coin-cell validation to pouch-cell prototype development with iterative performance optimization.
Outcomes
- Demonstration of lithium–sulfur pouch cells with improved cycle life and high energy density.
- Reduction in battery material costs through elimination of cobalt and nickel-based components.
- Enhanced safety performance with reduced flammability and improved thermal stability.
- Scalable material and cell design strategies ready for pilot-scale production.
- Intellectual property generation in cathode design, electrolyte formulations, and separator technologies.
Expected Impact
Achieve higher energy density and improved cycling stability for next-generation lithium-based batteries.
Develop cost-effective, sustainable carbon and polymer-based materials using local and waste resources.
Enable lightweight, high-capacity storage solutions for electric vehicles and portable electronics.
