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Fabrication, characterization, and electrochemical performance of the hdpe/sepiolite nanocomposite as a novel separator for li-ion batteries
, Article Express Polymer Letters ; Volume 15, Issue 11 , 2021 , Pages 1063-1080 ; 1788618X (ISSN) ; Pircheraghi, G ; Sharifi, H ; Sharif University of Technology
BME-PT and GTE
2021
Abstract
Separators are one of the most critically important components of lithium-ion batteries to ensure the safe performance of the battery. Commercial polyolefin separators have high thermal shrinkage and low electrolyte uptake, which confines the application of the battery. By using the thermally induced phase separation (TIPS) method, we successfully prepared HDPE/sepiolite nanocomposite separators with high thermal stability and electrolyte wettability. The sepiolite nanofibers are modified with the Vinyltriethoxysilane (VTES) as a coupling agent for better dispersion and interaction in the HDPE matrix. The purpose of fabricating this separator is to decrease the thermal shrinkage and...