Strategies to reach ultra-high capacitance values for supercapacitors: materials design

TL;DR

This review discusses recent advances in supercapacitor materials and design, highlighting ten ultra-high capacitance devices and emphasizing the potential for future energy storage innovations.

Contribution

It presents the highest specific capacitance supercapacitors achieved with innovative electrode materials, offering insights into design strategies for next-generation energy storage devices.

Findings

Ten supercapacitors with record-high capacitance values

Innovative electrode materials enable ultra-high performance

Potential for future energy harvesting and storage applications

Abstract

This review paper highlights the recent developments in supercapacitors by pointing out the significance of appropriate electrode and device designs. We reported ten extremely high-performance supercapacitors with specific capacitance values among the highest available until now to the best of our knowledge. These state-of-the-art designs employing innovative electrode materials have been discussed along with their short descriptions. The supercapacitors collected here possess the most promising potential for facilitating next-generation systems in energy harvesting and storage. This review is just the surface that can help provide a pathway for supercapacitor research, which is still wide open for exploring and developing new advanced materials for energy applications of the future.