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We report a high-performance flexible in-plane micro-supercapacitor (MSC) consisting of a graphene/laser-induced graphene hybrid film which was prepared on both sides of a polyimide (PI) film with slit-shaped through holes. The front and back side carbon electrodes were electrochemically connected by through holes filled with a polymer electrolyte. Such an in-plane MSC was prepared by laser annealing and ablation of a graphene/polyamide hybrid coating on a PI film, where the laser annealing of a hybrid coating film was conducted by a CW 445 nm diode laser and slit-shaped through holes were prepared by laser ablation using a pulse fiber laser.
Akira Watanabe,Ashiqur Rahman, andJinguang Cai
"Flexible in-plane micro-supercapacitor prepared by laser annealing and ablation of a graphene/polyamide hybrid coating on polyimide film", Proc. SPIE PC11989, Laser-based Micro- and Nanoprocessing XVI, PC119890B (1 April 2022); https://doi.org/10.1117/12.2608642
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Akira Watanabe, Ashiqur Rahman, Jinguang Cai, "Flexible in-plane micro-supercapacitor prepared by laser annealing and ablation of a graphene/polyamide hybrid coating on polyimide film," Proc. SPIE PC11989, Laser-based Micro- and Nanoprocessing XVI, PC119890B (1 April 2022); https://doi.org/10.1117/12.2608642