Flexible Planar Microsupercapacitors Based on Polypyrrole Nanotubes
Source abstract
Abstract
As miniaturized energy storage devices, flexible planar microsupercapacitors (MSCs) with high performance have broad applications on flexible electronics. However, traditional electrode fabrication methods (photolithography, laser writing, inkjet printing, etc.) are complex and expensive. In this work, a patterned interdigital electrode, which was prepared with a hard template of hydrophobic glue paper, was proposed. Peelable nickel nanocone arrays (NNAs) and polypyrrole nanotubes (PPyNTs) were electrochemically deposited on the substrate as 3D conductive frames and active material, respectively. The device demonstrates an areal capacitance up to 60.2 mF cm–2, high capacitance retention of 84.3% after 5000 cycles, as well as impressive mechanical performance that can work after 180° bending. Furthermore, a high energy density of 5.35 μWh cm–2 and power density of 2 mW cm–2 were obtained. Lastly, the fabricated MSCs presented great potential to integrate with series and parallel.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Supercapacitor Materials and Fabrication · Advanced Sensor and Energy Harvesting Materials · Conducting polymers and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China
Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering, Changzhou 213000, China
MOE Key Laboratory of Fundamental Physical Quantities Measurement & Hubei Key Laboratory of Gravitation and Quantum Physics, PGMF and School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China
Funding
National Natural Science Foundation of China · Fujian Science and Technology Innovation Laboratory for Optoelectronic Information · Department of Industry and Information Technology of Fujian Province · Excellent Youth Foundation of Fujian Scientific Committee
References (62)
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