EGRAN-CELL PN IV
The electrochemical performance of supercapacitors, however, is highly dependent on the properties of their electrode materials.Nickel cobalt double layered hydroxide is an attractive
The type of supercapacitor (SC) is determined by the material used to fabricate the electrode. Generally, if carbon-based material is used, it falls into the category of electric double-layer capacitor (EDLC). For Transition metal oxides, MXene, MOFs or conducting polymers, etc., it falls into the pseudocapacitance category.
Becker created the first supercapacitor at The Standard Oil Company in Cleveland, Ohio (SOHIO) in 1957 by employing electric double-layer charge storage and patented by General Electric in 1957 .
Research and development efforts have mostly been focused on improving the performance and cost-effectiveness of supercapacitors. This may be accomplished by investigating different elements including electrode materials, composites, and electrolytes. The classification of supercapacitors is shown in Fig. 2.
The scalability and economic feasibility of producing advanced supercapacitor technologies also need further investigation, including studies on environmental impact and cost-effectiveness. Understanding supercapacitors' long-term stability and degradation mechanisms is crucial, particularly concerning environmental factors.
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