發明
中華民國
103135207
I 559344
結合表面粗糙化電極與凝膠狀電解質之可撓式超級電容器及其製法
國立虎尾科技大學
2016/11/21
本發明提供一項粗糙化電極之概念,利用砂紙表面粗糙結構之特性結合導電材料製得砂紙基電極,以有效提升電極與電解質間之接觸面積,促使更多電荷儲存於電極表面多孔結構中。此電極也可延伸應用於電池、燃料電池、太陽能板之電極部分。此外,本發明採用膠狀電解質除可提供良好滲透性外,亦能有效滲入電極材料孔隙中,如此可避免接觸不連續情況之發生。而利用簡單低成本方式製作之多孔隔膜,不僅能使電解質中離子在孔隙中迅速移動,並可防止電極間因彎折時互相接觸造成元件短路之問題。其技術內容包含有砂紙基電極之製作,並藉由三明治結構將膠狀電解質塗覆在砂紙電極表面,並在中間插入一層多孔隔膜,隨後,再以兩片PET薄膜熱壓組立封裝而成。 Carbon nanotubes not only prevent the stacking of graphene sheets but also act as spacer and binder. The hybrid conductive suspension was dropped onto sandpaper, after dried it was used as the electrodes. Fine sandpaper-based electrode could promote the specific capacitance in supercapacitor, since its high surface area. The larger contact surface can absorb more electrolyte ions effectively and increase the assembled ions on the surface of electrodes. The high performance supercapacitor was constructed with one separator coated with gel electrolyte inserted between two fine sandpaper-based electrodes, which were assembled into a sandwich structure by hot-pressing. The simple and low-cost assembly of this flexible and lightweight supercapacitor means it presents potential applications on wearable electronics, flexible products, etc.
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