Carbon and Metal-Oxide Electrodes for Supercapacitor Energy Storage
This community develops electrode materials for supercapacitors, which are high-power devices for storing electrical energy, often combined with battery-like components in hybrid systems.
The research focuses on synthesizing porous carbon structures, including graphene oxide, reduced graphene, and activated carbon, to serve as conductive frameworks. These are frequently combined with transition metal oxides such as nickel cobalt, manganese oxide, and cobalt oxide, or layered double hydroxides, to enhance charge storage capacity. A significant portion of the work designs asymmetric supercapacitors, where different electrode materials are paired to balance voltage and energy density. Methods emphasize hierarchical porous architectures and facile synthesis routes to create high-performance electrodes that maintain stability over thousands of charge-discharge cycles.
The largest share of the community's output is found in carbon research, accounting for 3.8% of all carbon research, with 4,458 papers in this group. Manganese research follows with a 3.5% share (2,536 papers), and nickel research contributes a 2.6% share (2,515 papers).
The community comprises 27,519 papers, published primarily in the Journal of Energy Storage, Electrochimica Acta, and the Journal of Power Sources.
Recent work continues to refine electrode architectures, including reviews on reduced graphene oxide and the development of hybrid devices that combine battery and supercapacitor functionalities. Specific studies explore new materials like zinc cobalt oxide mesoporous architectures and layered iron-tin oxide nanohybrids to improve energy density and cycle durability.