April 24, 2024

Revolutionizing Battery Technology: A New Method for Mass-Producing Polymer Solid Electrolytes

A groundbreaking technique for mass-producing polymer solid electrolytes, essential components in batteries, has been introduced by a research team led by Professor Seok Ju Kang at UNIST’s School of Energy and Chemical Engineering. Their findings, featured in the Energy Storage Materials journal, showcase a departure from the conventional melt casting method towards a horizontal centrifugal casting approach, marking a significant advancement in the field.

Inspired by the horizontal centrifugal casting technique utilized in the production of iron pipes, the team successfully developed a method that ensures the uniformity of polymer solid electrolytes by rotating the solution horizontally during manufacturing. This innovative process minimizes raw material wastage while delivering enhanced electrochemical performance, economic viability, and overall efficiency compared to traditional methods.

Professor Kang emphasized the impact of this new technique, stating, “By incorporating principles from iron pipe manufacturing, we have created a method capable of producing uniform and high-performance solid electrolytes on a large scale.”

The newly devised technology enables a remarkable 13-fold increase in production speed by eliminating the necessity for drying polymer solutions and vacuum heat treatment, thereby significantly streamlining the manufacturing process. Additionally, the production volume can be easily adjusted by modifying the size of the horizontal centrifugal casting cylinder, ensuring consistent thickness and surface quality of the polymer solid electrolytes, making them ideal for battery production.

Lead author Hyunwoo Kim from UNIST’s School of Energy and Chemical Engineering highlighted the benefits of this innovative method, stating, “Through this technique, we have improved battery stability and performance without altering the material composition.”

Professor Kim underscored the significance of eliminating the time-consuming and energy-intensive vacuum heat treatment process, emphasizing that this advancement allows for efficient mass production of polymer solid electrolytes. The research team’s work represents a pivotal step towards enhancing battery technology and meeting the growing demands for reliable energy storage solutions.

1. Source: Coherent Market Insights, Public sources, Desk research
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