Breakthrough in Nanotechnology: Solid Electrolytes for Next-Generation Batteries
Researchers from the School of Advanced Sciences have made significant strides in developing solid electrolytes for future-generation battery technology. By combining inorganic particles with polymer compounds and lithium salts, they have created a composite polymer electrolyte membrane that exhibits exceptional electrochemical performance. This innovation eliminates concerns related to leaking, combustibility, and chemical resistance, making it a promising option for the development of more efficient and reliable batteries.
Key Takeaways:
- The research has discovered a new composite polymer electrolyte membrane, MXene (15 Wt%), that demonstrates excellent electrochemical performance.
- The MXene (15 Wt%) membrane exhibits an ionic conductivity of 1.08 x 10(-4) S cm(-1) at ambient temperature, a lithium exchange number of 0.63, and an electrochemical window of 4.0 (V).
- The membrane also shows thermal shrinkage up to 250 degrees C, a porosity of similar to 93%, electrolyte uptake of similar to 230%, and an activation energy of 0.23 (eV).
- The research was conducted by S. P. Vijayachamundeeswari, Vellore Institute of Technology, School of Advanced Sciences, and a team of researchers, including Mohan Jagan, Aravinth Dhanasekaran, Subalakshmi Pragalathan, and V. Velmurugan.
- The study was published in the Journal of Materials Science and has been peer-reviewed.
Statistics:
- The composite polymer electrolyte membrane, MXene (15 Wt%), demonstrates ionic conductivity of 1.08 x 10(-4) S cm(-1) at ambient temperature.
- The membrane shows a lithium exchange number of 0.63 and an electrochemical window of 4.0 (V) at ambient temperature.
- The research team achieved a porosity of 93% and electrolyte uptake of 230% using the MXene (15 Wt%) membrane.
Sources:
- Electrospun Poly(Acrylonitrile)/lithium Perchlorate-grafted Mxene Composite Nanofibrous Membrane As Polymer Electrolyte for Energy Storage Applications. Journal of Materials Science, 2025.
- NewsRx. Studies from School of Advanced Sciences Reveal New Findings on Nanofibers [Electrospun Poly(Acrylonitrile)/lithium Perchlorate-grafted Mxene Composite Nanofibrous Membrane As Polymer Electrolyte for Energy Storage Applications]. News of Science. July 13, 2025; p 5652.