High-Performance Gel Polymer Electrolytes for Lithium-Ion Batteries
Author Information
Author(s): Chae Wookil, Earmme Taeshik, Stoyanova Antonia
Primary Institution: Department of Chemical Engineering, Hongik University, Seoul, Republic of Korea
Hypothesis
Can polymerizable ionic liquid-based gel polymer electrolytes improve the performance of lithium-ion batteries?
Conclusion
The developed gel polymer electrolytes demonstrated enhanced ionic conductivity, electrochemical stability, and cycling performance for lithium-ion batteries.
Supporting Evidence
- The ionic conductivity of the developed gel polymer electrolyte reached 1.90 mS cm−1 at 25 °C.
- The PIL-GPE (8:2) maintained 82% of its initial discharge capacity after 100 cycles.
- The electrochemical stability of the PIL-GPE exceeded 5 V.
- The lithium transference number of the PIL-GPE was measured at 0.62.
Takeaway
Scientists created a new type of gel for batteries that helps them work better and last longer. This gel is made from special liquids that turn into solid forms when treated with energy.
Methodology
The gel polymer electrolytes were created using in situ polymerization with high-energy electron beam irradiation.
Digital Object Identifier (DOI)
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