Efficient template free polymerization of continuously porous hybrid conducting polymers for highly stable flexible micro pseudocapacitors
Zhigerbayeva G. Aliyev A. Magazov Y. Kudryashov V. Adilov S. Nuraje N.
December 2025Nature Research
Scientific Reports
2025#15Issue 1
Developing high-performance microscale-energy storage devices is essential for next-generation smart electronics. Hybrid conducting polymers (HCPs) offer a promising solution to address the limitations of traditional conducting polymers, with poor cycling and mechanical stability. Here, we present a novel, template-free bicontinuous microemulsion (BME)-based method of fabricating highly cross-linked, continuously porous PPy-CoO electrodes for micro-pseudocapacitors (MPCs). The bicontinuous structure endows HCPs with tunable functionalities, mechanical flexibility, and efficient ion transport. The synergy between PPy’s fast charge transfer and CoO’s high charge-storage capacity boosts the electrochemical performance of device, with excellent areal capacitance of 30.58 mF cm−2, energy density of 4.22 µWh cm−2, and power density of 75.97 µW cm−2 at 0.2 mA cm−2. The device retains 106% capacitance under 180° bending and 83% capacitance retention after 10,000 cycles in a bent (180°) position. This study demonstrates the BME polymerization approach as a scalable, cost-effective, and versatile strategy for producing multifunctional 3D HCP composites for functional devices.
Bicontinuous microemulsion , Continuously porous , Micro-pseudocapacitor , Planar integrated system , Wearable electronics
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Department of Chemical & Materials Engineering, School of Engineering & Digital Science, Nazarbayev University, Astana, 010000, Kazakhstan
Renewable Energy Lab, National Laboratory Astana, Astana, 010000, Kazakhstan
Department of Chemistry, School of Sciences and Humanities, Nazarbayev University, Astana, 010000, Kazakhstan
Department of Chemical & Materials Engineering
Renewable Energy Lab
Department of Chemistry
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