Redox Flow Batteries and Hydrogen Technologies for Large-Scale and Long-Duration Energy Storage Applications

Dear Colleagues,

In recent years, renewable energy is gradually changing from auxiliary energy to dominant energy. The establishment of a new power system with "new energy + energy storage" as the main body has put forward new requirements for high-power, large-capacity, and long-term energy storage technology. Redox flow batteries as the novel and intrinsically safe energy storage technology has the characteristics of long charge and discharge cycle life, recyclable electrolyte, good life cycle economy and environmental friendliness, which has received widespread attention from academia and industry.

In response to the major demand for high-security, large-scale stationary electrochemical energy storage technology such as new power systems, it is necessary to increase the research and development of key technologies for new generation flow batteries in the future, break through the key scientific and technical challenges in new technologies, and solve the problems of aqueous flow batteries. Flow battery technology faces problems such as scale, cost, and lifespan, so as to achieve the orderly and healthy development of the entire flow battery industry chain and provide technical support for the energy revolution and energy structure adjustment.

This Special Issues focuses on technologies of redox flow batteries, such as novel ion exchange membranes, modified carbon fiber electrodes, and newly designed electrolytes (aqueous/non-aqueous/organic).

The topics of interest related to redox flow batteries include, but are not limited to:

• Ion exchange membranes or porous separators with high ionic selectivity;
• New electrolyte system to realize high energy density;
• Modified carbon fiber electrodes for high kinetics during redox reactions;
• Design and optimization of flow fields and channels;
• Modelling and simulation study;
• Online testing (e.g., electrochemical impedance spectroscopy, incremental capacity);
• Power electronics for the high quality output;
• Battery Management System;
• Design of redox flow battery systems for microgrids;
• Technical and economic assessments;
• Life prediction and fault diagnosis.

Dr. Chuanyu Sun
Dr. Gioele Pagot
Prof. Dr. Vito Di Noto
Guest Editors

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