Affiliation:
1. Materials Science and Engineering Department King Fahd University of Petroleum & Minerals Dhahran 31261 Saudi Arabia
2. Department of Material Chemistry Graduate School of Engineering Kyoto University, Nishikyo-ku Kyoto 615-8520 Japan
3. Interdisciplinary Research Center for Reviewable Energy and Power System (IRC- REPS) King Fahd University of Petroleum & Minerals KFUPM Box 5040 Dhahran 31261 Saudi Arabia
4. Interdisciplinary Research Center for Hydrogen and Energy Storage (IRC-HES) King Fahd University of Petroleum & Minerals KFUPM Box 5040 Dhahran 31261 Saudi Arabia
Abstract
AbstractMetal 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.
Subject
Materials Chemistry,General Chemical Engineering,Biochemistry,General Chemistry