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Thesis
Home   /   Thesis   /   Hierarchically conducting polymer coated on 3D ALD/Silicon nanostructures for integrated solid and flexible micro-supercapacitors

Hierarchically conducting polymer coated on 3D ALD/Silicon nanostructures for integrated solid and flexible micro-supercapacitors

Condensed matter physics, chemistry & nanosciences Engineering sciences Physical chemistry and electrochemistry Thermal energy, combustion, flows

Abstract

The objective of this thesis is to develop and high performance and durable all-solid state flexible micro-supercapacitors (micro-SC). These new solid-state micro-generators will operate over a wide temperature range (-50°C to +120°C) and exhibit exceptional lifetime and performance. The ?-SCs proposed in this thesis project are based on i) the elaboration by CVD growth of electrodes composed of silicon nanowires and nanotrees followed by a nanometric deposition of a dielectric and new electronically conductive polymer, ii) the elaboration and characterization of new copolymers based on n-type EDOTs derivativesiii) the synthesis of polymeric solid electrolytes (ESPs) based on poly(siloxane)s and ionogels iv) performance tests of different electrodes and electrolytes in three-electrode system configuration, v) elaboration of nanocomposites based on EDOT-based electronically conductive polymers and silicon nanowires covered with nanometric layers of alumina and HfO2, and v) assembly and tests of devices in rigid and flexible sandwich type configuration

Laboratory

Institut de Recherche Interdisciplinaire de Grenoble
DIESE
Université Grenoble Alpes
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