 Supercapacitors are a promising technology with great potential for use in various applications. They offer high power density, fast charging times, and long shelf lives compared to batteries. However, there are still some challenges that need to be addressed before they can become commercially viable. These include technical issues, standardization, and consistency testing. Additionally, further research into the underlying physics of these devices is necessary to improve performance and reduce costs. This article was authored by Sherefei Huang, Xianglin Zhu, Samrat Sarkar, and others.