21 research outputs found

    Potassium‐sulfur batteries: Status and perspectives

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    This review article aims to provide insight into the research status of the potassium-sulfur (K-S) system, feature the challenges facing this technology, and present possible research directions for the realization of its practical applications. We begin with an introduction to the fundamental electrochemistry of K-S batteries and emphasize the distinctions between K-S technology and the well-established lithium-sulfur (Li-S) system. Then, we focus on the development of the materials involved in K-S batteries in terms of cathodes, K anodes, and various electrolyte systems. Finally, we provide several possible research directions to make the K-S system a reality, with the emphasis, from our point of view, on the attempts to construct practical parameters for K-S batteries by adopting the critical metrics of the current Li-S system.Xinyu Zhao, Yan Lu, Zhengfang Qian, Renheng Wang, Zaiping Gu
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