Related Experiment Video
Updated: Jan 22, 2026

A Protocol for Electrochemical Evaluations and State of Charge Diagnostics of a Symmetric Organic Redox Flow Battery
Published on: February 13, 2017
Self-Rechargeable-Battery-Driven Device for Simultaneous Electrochromic Windows, ROS Biosensing, and Energy Storage
Yanling Zhai1, Ying Li1, Hui Zhang2,3
1Department of Chemistry and Chemical Engineering , Qingdao University , 308 Ningxia Road , Qingdao , Shandong 266071 , China.
This study presents a self-powered electrochromic device (ECD) combining smart windows, reactive oxygen species (ROS) sensing, and energy storage. The novel design utilizes a self-rechargeable battery for continuous power, enabling versatile applications.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Self-powered electrochromic devices (ECDs) are limited by single-application designs and power supply issues.
- Integrating multiple functionalities into a single device remains a significant challenge.
Purpose of the Study:
- To develop a versatile, self-powered electrochromic device (ECD) with integrated energy storage and sensing capabilities.
- To demonstrate a novel application combining smart windows, reactive oxygen species (ROS) detection, and energy supply.
Main Methods:
- Fabrication of a self-rechargeable battery using Prussian blue (PB) cathode and magnesium metal anode.
- Utilizing the electrochromic properties of PB for both battery function and visual sensing.
- Designing a device integrating electrochromic display, energy storage, and ROS sensing.
Main Results:
- The fabricated battery demonstrated fast self-charging and high power density for stable energy supply.
- The Prussian blue-based electrochromic display enabled highly sensitive, self-powered ROS sensing with visual analysis.
- The device successfully integrated smart window, ROS sensing, and energy storage functionalities.
Conclusions:
- This work offers a solution for multi-functional, self-powered ECDs, overcoming limitations of single-application devices.
- The developed technology provides a stable energy supply for integrated applications.
- The device presents a promising platform for advanced smart windows and sensitive biosensing applications.
Related Concept Videos
Batteries and Fuel Cells
Sugars as Energy Storage Molecules
ATP Energy Storage and Release
One example of energy coupling using ATP involves a...
Fats as Energy Storage Molecules
Storage
DC Battery

