Xinhua News Agency, Shanghai, February 14 (Reporter Wu Zhendong) Recently, researchers at Fudan University have created a new type of calcium-oxygen battery, which can be charged and discharged at room temperature and run stably for 700 cycles, showing the advantages of high safety and low cost, and providing new ideas for the development of wearable battery fabrics. The results have been published in the main journal Nature.
According to the researchers, the newly created calcium-oxygen battery is mainly composed of three parts: a metal calcium anode, a carbon nanotube air cathode and an organic electrolyte. The battery design not only optimizes performance and cost, but also takes into account environmental sustainability and application requirements in flexible electronic devices. Among them, the metal calcium anode has a low cost and high theoretical capacity, and at the same time, the metal calcium can be further loaded on the flexible substrate to obtain a flexible metal calcium anode, which lays the foundation for the realization of flexible calcium-oxygen batteries. The new electrolyte exhibits high ionic conductivity at room temperature and exhibits stable electrochemical properties, significantly improving the overall safety of the battery.
According to reports, this battery can support up to 700 charge-discharge cycles at room temperature. On this basis, the team has also successfully built a calcium-oxygen battery with high flexibility and high safety, which can be used to prepare the next generation of wearable battery fabrics.
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