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Fuel cell is basically an electrochemical cell capable of converting the chemical energy resulting from a chemical reaction of hydrogen and oxygen as the oxidizing agent into electricity in a process called redox. Generally, fuel cells differ from most of the available batteries due to taking the advantage of a continuous source of fuel and oxygen in order to maintain a chemical reaction. Vahid Javan KouzegaranAnalytical Chemist (Ph.D.) / Nanografi Nano TechnologyIntroductionHowev …

Carbon nanotubes (CNTs) are nanoscale, strong and hollow cylinders which shows excellent mechanical and electrical properties. Based on their orientation and configuration in the structure, they can be used in many practical applications such as supercapacitors, catalytic electrodes, flexible heaters, superhydrophobic coatings, biomimetic surfaces, artificial muscles, and integrated microelectromechanical systems. IntroductionThese different forms of CNTs can be vertically aligned arr …

The discovery of carbon nanotubes (CNTs) in 1991 has stimulated intensive research to characterize their structure and to determine their physical properties both by direct measurement and through predictive methods using modeling techniques. Many of their fundamental and remarkable properties are now well-known, and their exploitation in a wide range of applications forms a large part of the research effort now in progress. IntroductionThe electronic properties of carbon nanotubes (C …

CNTs are cylindrical molecules that comprise sheets of single-layer carbon atoms like graphene rolled up. CNTs can be either single or double-layered. CNTs have many remarkable properties and applications, but we will read mostly about their use in the health sector because of small dimensions and their high surface area, which has the capability of conjugating or absorbing with a broad range of diagnostic and therapeutic agents. IntroductionCNTs have high thermal and electrical conduc …

Carbon nanotubes are nanoscale structures having remarkable properties in both mechanical and electronic areas.Carbon nanotubes are highly conductive, and they are very elongated nanostructures excellently interacting with electromagnetic radiations. They have the finest electronic and mechanical properties.Introduction Until now, CNT-based macrostructures are in various forms, such as sheets or long fibers yarned from CNT forests and thin films or bucky-papers in which density, alignment, an …