Functional Separator Membrane based on Phase Separation Method for Use in Energy Storage Devices.
발표자
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초록
내용
Li-ion batteries (LIBs) are considered to be one of the most promising energy devices of transportation applications; however, at high temperature (＞ 55°C), improving the performance of LIBs still remains a tough challenge because side reaction compounds generated from the electrolyte decomposition cause a severe degradation of the battery performance. In this work, we present a seaweed-extracted multifunctional biomaterial for LIB components including a separator membrane and binder with highly stable cycling performance even at high-voltage operation under high temperature. In particular, surface modification was employed to enable the biomaterial to develop the well-defined porous structure after the phase inversion process, which is one of the promising methods for the fabrication of membrane with microporous structures due to its simplicity and scalability.