Metal Negatrode Supercapatteries: Advancements, Challenges, and Future Perspectives for High-Performance Energy Storage
CHEMICAL RECORD(2024)
摘要
Metal negatrode supercapattery (MNSC) is an emerging technology that combines the high energy storage capabilities of batteries with the high-power delivery of supercapacitors, thereby offering promising solutions for various applications, such as energy storage systems, electric vehicles, and portable electronics. This review article presents a comprehensive analysis of the potential of MNSCs as a prospective energy storage technology. MNSCs utilize a specific configuration in which the negatrode consists of a metal or metal-rich electrode, such as sodium, aluminum, potassium, or zinc, whereas the positrode functions as a supercapacitor electrode. The utilization of negatrodes with low electrochemical potential and high electrical conductivity is crucial for achieving high specific energy in energy storage devices, despite facing numerous challenges. The present study discusses the design and fabrication aspects of MNSCs, including the selection of appropriate metal negatrodes, electrolytes, and positrodes, alongside the fundamental operational mechanisms. Additionally, this review explores the challenges encountered in MNSCs and proposes solutions to enhance their performance, such as addressing dendrite formation and instability of metal electrodes. Metal negatrode supercapatteries (MNSCs) are a promising technology that integrates the functionalities of batteries and supercapacitors. MNSCs utilize metal or metal-rich negatrodes for higher energy densities and improved stability. This review provides a comprehensive analysis of the various aspects of MNSCs for energy storage applications, including design, fabrication, optimization, materials, and challenges.image
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关键词
batteries,positrode,electrolyte,metal negatrode,supercapattery
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