Super capacitor based on three-dimensional ZnO@MnO2 composite nano array interdigital electrode and manufacturing method thereof
A technology of supercapacitors and interdigitated electrodes, which is applied in the field of energy storage, can solve the problems that it is difficult to adapt to the development requirements of high-power and high-energy flexible transparent supercapacitors, it is difficult to apply solid-state electronic devices, and the capacitors are low, so as to meet the requirements of high-power , meet the charging and discharging needs, long life effect
Active Publication Date: 2015-03-25
THE NAT CENT FOR NANOSCI & TECH NCNST OF CHINA
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The invention relates to a super capacitor based on a three-dimensional ZnO@MnO2 composite nano array interdigital electrode and a manufacturing method of the super capacitor. The super capacitor comprises a packaging bag and a solid electrolyte, and further comprises the ZnO@MnO2 composite nano array interdigital electrode, the solid electrolyte and the ZnO@MnO2 composite nano array interdigital electrode are arranged in the packaging bag, and the ZnO@MnO2 composite nano array interdigital electrode is smeared with the solid electrolyte. The micro-nano machining technology is adopted in the ZnO@MnO2 composite nano array interdigital electrode, a transparent interdigital collector electrode is manufactured on a flexible and transparent PET substrate, a three-dimensional ZnO bar nano array is grown on the collector electrode through a solution method, and three-dimensional ZnO bars are coated with a layer of MnO2 based on an electro-deposition technology. According to the super capacitor, the area ratio capacitance of a device is greatly improved, a nano array clearance is adopted as a channel facilitating ion transmission and exchange, and the rate capacity and circulating performance of the capacitor are improved.
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Property | Measurement | Unit |
Thickness | 60.0 ~ 70.0 | nm |
Thickness | 10.0 ~ 20.0 | nm |
Thickness | 40.0 | nm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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