Flexible, temperature-tolerant supercapacitor based on hybrid carbon film electrodes

A flexible, temperature-tolerant supercapacitor is designed and fabricated. The electrode materials is carbon hybrid film composed of reduced graphene oxide and carbon nanotube The device works at extreme temperatures (down to −40 °C and up to 200 °C) with excellent electrochemical property and high durability and deformation at extreme temperature without energy storage ability degradation.183