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Reduction of Alkenes: Catalytic Hydrogenation02:13

Reduction of Alkenes: Catalytic Hydrogenation

Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a transition-metal catalyst, the reaction is called catalytic hydrogenation.
Metals like palladium, platinum, and nickel are commonly used in their solid forms — fine powder on an inert surface. As these catalysts remain insoluble in the reaction mixture, they are referred to as heterogeneous catalysts.
The hydrogenation process takes place on the surface of...
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Hydrogen Bonds

Hydrogen BondsHydrogen bonds are weak attractions between atoms that have formed other chemical bonds. One of these atoms is electronegative, like oxygen, and has a partial negative charge. The other is a hydrogen atom that has bonded with another electronegative atom and has a partial positive charge.Hydrogen Bonds Control the World!Because hydrogen has very weak electronegativity when it binds with a strongly electronegative atom, such as oxygen or nitrogen, electrons in the bond are...
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A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...

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Updated: Jun 17, 2026

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
08:40

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Published on: December 6, 2021

A step forward: nanostructures for hydrogen storage.

Alisson Steffli Thill1, Fabiano Bernardi1

  • 1Programa de Pós-Graduação em Física, Instituto de Física, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil. bernardi@if.ufrgs.br.

Nanoscale
|June 16, 2026
PubMed
Summary
This summary is machine-generated.

Efficient hydrogen storage is key for a hydrogen economy, especially for vehicles. Nanostructured materials show promise for overcoming current limitations in hydrogen storage performance.

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Area of Science:

  • Materials Science
  • Chemical Engineering
  • Energy Storage

Background:

  • Hydrogen storage is a critical challenge for a global hydrogen economy, particularly for light-duty vehicles.
  • Existing hydrogen storage materials face limitations in meeting performance demands.
  • Nanostructured materials offer potential solutions for advanced hydrogen storage.

Purpose of the Study:

  • To review the advantages and limitations of current hydrogen storage materials.
  • To highlight the potential of nanostructured systems for hydrogen storage.
  • To discuss characterization techniques and future directions in hydrogen storage materials.

Main Methods:

  • Literature review of hydrogen storage materials.
  • Analysis of nanostructured systems for hydrogen storage.
  • Overview of characterization techniques for hydrogen storage materials.

Main Results:

  • Nanostructures present promising characteristics for efficient hydrogen storage.
  • Current materials have inherent advantages and disadvantages.
  • Specific characterization methods are crucial for evaluating material performance.

Conclusions:

  • Nanostructured materials are key to advancing hydrogen storage technology.
  • Further research and development are needed to optimize materials for practical applications.
  • Addressing storage challenges is vital for the widespread adoption of hydrogen fuel.