Self-repairing micro super capacitor and preparation method thereof

A supercapacitor, self-healing technology, applied in the manufacture of hybrid/electric double-layer capacitors, hybrid capacitor electrodes, hybrid capacitor electrolytes, etc., can solve problems such as volume increase and leakage, and achieve excellent printing performance, excellent repair performance, The effect of self-healing efficiency at room temperature with high electrochemical performance
CN110265227AActive Publication Date: 2019-09-20SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
Publication Date
2019-09-20

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Abstract

The invention provides a self-repairing micro super capacitor and a preparation method thereof. The super capacitor comprises a hydrogel polyelectrolyte template containing a micro interdigital structure groove, a hydrogel electrode filling the micro interdigital structure groove, and a self-repairing electrolyte membrane for packaging the super capacitor. The micro super capacitor has good rate performance, excellent area specific capacitance and relatively high electrochemical performance and room temperature self-repairing efficiency, and foreseeably has a wide application prospect in the field of self-repairing flexible energy storage devices.
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Description

technical field

[0001] The invention belongs to the field of supercapacitors, and relates to a micro supercapacitor, in particular to a self-repairing micro supercapacitor and a preparation method thereof. Background technique

[0002] Thanks to the rapid development of Internet of Things technology, wearable devices have become more and more popular daily necessities in life. The development of these smart wearable devices has also put forward higher requirements for energy storage devices. Like many electronic devices, they are gradually miniaturized. Smaller volumes with higher power and energy density are the main technical development directions. It has been shown that micro-supercapacitors will become an important power supply carrier for future wearable electronic devices due to their ultra-thin, high power density and high cycle life (DOI: 10.1038 / NNANO.2016.196). Wearable energy storage devices require micro-planar supercapacitors to be flexible, bendable and even ...

Claims

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