Advanced nickel-based composite materials for supercapacitor
This review presents the latest advancements in nickel-based electrode materials for supercapacitors, encompassing single nickel-based compounds, bimetallic nickel-based
The top three companies have a market share of about 67%. The Asia-Pacific region is the world's largest Supercapacitor Activated Carbon market with a market share of about 64%, followed by North America and Europe with a market share of 18% and 11%, respectively.
Although numerous strategies, such as hierarchical structure design, component optimization, and hybridization, have been deployed to overcome the limitations of nickel-based supercapacitors and have notably enhanced their performance, challenges persist (Fig. 8).
Nickel-based materials have emerged as a highly promising option for supercapacitor electrodes. This review presents the latest advancements in nickel-based electrode materials for supercapacitors, encompassing single nickel-based compounds, bimetallic nickel-based compounds, and their composites.
Extensive research has been conducted on supercapacitors composed of carbon-based anode materials paired with nickel-based cathode materials, yielding significant advances. However, the limited specific capacitance of carbon-based materials has been a bottleneck, restricting the overall energy density of these devices.
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