Composites of Graphene Nanoribbon Stacks and Epoxy for Joule Heating and Deicing of Surfaces

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• 作者：Abdul-Rahman O. Raji ; Tanvi Varadhachary ; Kewang Nan ; Tuo Wang ; Jian Lin ; Yongsung Ji ; Bostjan Genorio ; Yu Zhu ; Carter Kittrell ; James M. Tour
• 刊名：ACS Applied Materials & Interfaces
• 出版年：2016
• 出版时间：February 10, 2016
• 年：2016
• 卷：8
• 期：5
• 页码：3551-3556
• 全文大小：400K
• ISSN：1944-8252

文摘

A conductive composite of graphene nanoribbon (GNR) stacks and epoxy is fabricated. The epoxy is filled with the GNR stacks, which serve as a conductive additive. The GNR stacks are on average 30 nm thick, 250 nm wide, and 30 μm long. The GNR-filled epoxy composite exhibits a conductivity >100 S/m at 5 wt % GNR content. This permits application of the GNR-epoxy composite for deicing of surfaces through Joule (voltage-induced) heating generated by the voltage across the composite. A power density of 0.5 W/cm² was delivered to remove ～1 cm-thick (14 g) monolith of ice from a static helicopter rotor blade surface in a ?20 °C environment.