Recently, Wu Zhongshuai, a researcher of the Special Zone for Two-Dimensional Materials and Energy Devices Innovation at the Dalian Institute of Chemical Physics, Chinese Academy of Sciences, and Yu Yan, a professor at the University of Science and Technology of China, published "The Prospects of Phosphate-based Composite Materials as Anode Materials for Potassium Ion Batteries and "Challenge" (The Promise and Challenge of Phosphorus-Based Composites as Anode Materials for Potassium-Ion Batteries) review article.
Potassium ion batteries (KIBs) are a core energy storage device. They have an energy storage mechanism similar to that of lithium ion batteries. They have low costs and abundant metal potassium reserves. They have important strategic significance for future large-scale energy storage. The development of high-performance electrode materials is a key factor to improve the performance of KIBs. Phosphorus-based materials, including elemental phosphorus and various transition metal phosphides, have high theoretical capacity and low oxidation-reduction potential, and are a class of highly-potential high-performance potassium ion battery anode materials that have received much attention in recent years. Based on this, this work focuses on the research progress of the structure properties, synthesis methods and potassium storage mechanism of phosphorus-based anode materials, and reveals the relationship between the structure of phosphorus-based anode materials and electrochemical performance. At the same time, the article reviews other key factors that affect the electrochemical performance of potassium ion batteries, such as electrolytes, binders, etc., and systematically summarizes the current modification strategies to improve the potassium storage performance of phosphorus-based anodes. Finally, the article also summarizes and summarizes the challenges and opportunities facing the design of high-performance phosphorus-based anode materials, and proposes some feasible solutions and future development directions.
The above work was supported by the cooperation project of the Institute of Clean Energy Innovation of the Chinese Academy of Sciences, the National Key R & D Program, etc., and was recently published in Advanced Materials.
Scientists publish a review article of phosphorus-based composite materials as anode materials for potassium ion batteries
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