Advancing Energy Storage Technology through Hybridization of Supercapacitors and Batteries: A Review on the Contribution of Carbon-Based Nanomaterials

U. O. Uyor, A. P.I. Popoola, O. M. Popoola, V. S. Aigbodion, C. O. Ujah

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

Fast depletion of fossil fuel and other non-renewable energy resources with their negative environmental impact have raised the quest for eco-friendly and sustainable energy resources. Sustainable energy resources such as solar and wind energy are periodical. Therefore, such energy resources can only be effectively utilized with advanced energy storage technology. Currently, various energy storage technologies such as batteries and supercapacitors are available with various energy storage properties. For instance, batteries are characterized with high energy and low power density. On the other hand, supercapacitors are low energy and high power density devices. The high power density of supercapacitors results to their faster charging and discharging capability compared to batteries. While batteries can accommodate higher energy compared to supercapacitors. Therefore, to obtain single energy storage material/device with both high energy and power density is a challenge in the energy storage sector. However, various efforts have been made to address this challenge through combinations of various materials or devices. For instance, carbon-based nanomaterials such as graphene and carbon nanotubes have been extensively studied in design of supercapacitors for high energy storage density. While supercapacitors and batteries have been hybridized on the effort to obtain energy storage device with both high energy and power density for advanced energy storage technology. Therefore, this review looks into the contribution of carbon-based nanomaterials in improving energy storage density of supercapacitors and their hybridization with batteries as the way forward to obtain energy storage materials/devices with both high energy and power density for advanced energy storage technology.

Original languageEnglish
Article number012006
JournalIOP Conference Series: Earth and Environmental Science
Volume730
Issue number1
DOIs
Publication statusPublished - 19 May 2021
Externally publishedYes
Event4th International Conference/Training Workshop on Energy for Sustainable Development in Africa, ICTWESDA 2020 - Nsukka, Nigeria
Duration: 11 Nov 202013 Nov 2020

ASJC Scopus subject areas

  • General Environmental Science
  • General Earth and Planetary Sciences

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