Electrochemical carbon capture and desorption system and method based on periodic ultrasonic enhancement
By using a periodically ultrasound-enhanced electrochemical carbon capture and desorption system, combined with ultrasound and potential/pH adjustment, the problems of low desorption rate and high energy consumption in traditional electrochemical desorption processes have been solved, achieving efficient carbon dioxide desorption and extended electrode life.
CN122273273APending Publication Date: 2026-06-26HUANENG CLEAN ENERGY RES INST
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Patent Information
- Application Number
- CN202610391905.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-03-27
- Publication Date
- 2026-06-26
AI Technical Summary
Technical Problem
Traditional electrochemical desorption processes suffer from problems such as low desorption rate, high energy consumption, electrode passivation and damage, and are limited by mass transfer and reaction rate.
Method used
An electrochemical carbon capture and desorption system enhanced by periodic ultrasound is used to achieve efficient carbon dioxide desorption by applying periodic pulsed ultrasound during the desorption stage, combined with the adjustment of potential and pH.
Benefits of technology
It improves carbon dioxide desorption efficiency, reduces system energy consumption, extends electrode life, and avoids fatigue damage to electrode materials.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses an electrochemical carbon capture and desorption system and method based on periodic ultrasonic enhancement. The system comprises an electrochemical reaction unit, an ultrasonic unit, a control unit and a separation and purification unit, wherein the electrochemical reaction unit is used for adsorbing and desorbing carbon dioxide; the ultrasonic unit is used for applying ultrasonic waves into an electrochemical cell in the electrochemical reaction unit in a periodic pulse mode in a carbon dioxide desorption stage; the control unit is used for controlling the applying mode and time of the ultrasonic waves so as to realize intelligent synchronization of the periodic ultrasonic enhancement and the electrochemical desorption process; and the separation and purification unit is used for separating and compressing the desorbed carbon dioxide. According to the method, a periodic pulse ultrasonic strengthening technology is adopted in the desorption stage of electrochemical carbon capture, so that the carbon dioxide desorption efficiency in the electrochemical desorption process is dynamically enhanced, the energy consumption of the system is reduced, and the service life of the electrode is prolonged.
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