scholarly journals Ultra-high energy density supercapacitors using a nickel phosphide/nickel/titanium carbide nanocomposite capacitor electrode

Nanoscale ◽  
2020 ◽  
Vol 12 (25) ◽  
pp. 13618-13625
Author(s):  
Jing Xu ◽  
Nianjun Yang ◽  
Siyu Yu ◽  
Anna Schulte ◽  
Holger Schönherr ◽  
...  
Keyword(s):  
Energy Density ◽  
Titanium Carbide ◽  
High Energy ◽  
Nickel Titanium ◽  
Low Energy ◽  
High Energy Density ◽  
Nickel Phosphide ◽  
Ultra High Energy

The low energy density of traditional supercapacitors has strongly restricted their applications.

Transportation: Fuel Energies

2017 ◽  
Author(s):  
Peter Rez
Keyword(s):  
Energy Density ◽  
Fossil Fuels ◽  
High Energy ◽  
Ease Of Use ◽  
Low Energy ◽  
High Energy Density ◽  
Nuclear Fuels ◽  
Liquid Hydrocarbons ◽  
Transportation Fuel ◽  
Journey Time

Transportation efficiency can be measured in terms of the energy needed to move a person or a tonne of freight over a given distance. For passengers, journey time is important, so an equally useful measure is the product of the energy used and the time taken for the journey. Transportation requires storage of energy. Rechargeable systems such as batteries have very low energy densities as compared to fossil fuels. The highest energy densities come from nuclear fuels, although, because of shielding requirements, these are not practical for most forms of transportation. Liquid hydrocarbons represent a nice compromise between high energy density and ease of use.

Highly Oriented Graphene Sponge Electrode for Ultra High Energy Density Lithium Ion Hybrid Capacitors

2016 ◽  
Vol 8 (38) ◽  
pp. 25297-25305 ◽  
Author(s):  
Wook Ahn ◽  
Dong Un Lee ◽  
Ge Li ◽  
Kun Feng ◽  
Xiaolei Wang ◽  
...  
Keyword(s):  
Energy Density ◽  
Lithium Ion ◽  
High Energy ◽  
High Energy Density ◽  
Ultra High Energy ◽  
Graphene Sponge ◽  
Hybrid Capacitors
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