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Related Concept Videos

Hydrogen Bonds00:26

Hydrogen Bonds

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Hydrogen 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 unequally shared....
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Batteries and Fuel Cells03:12

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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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Reduction of Alkenes: Catalytic Hydrogenation02:13

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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.
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Hydrogen Bonds01:04

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A hydrogen bond is formed when a weakly positive hydrogen atom already bonded to one electronegative atom (for example, the oxygen in the water molecule) is attracted to another electronegative atom from another polar molecule, such as water (H2O), hydrogen fluoride (HF), or ammonia (NH3). The huge electronegativity difference between the H atom (2.1) and the atom to which it is bonded (4.0 for an F atom, 3.5 for an O atom, or 3.0 for an N atom), combined with the very small size of an H atom...
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Updated: May 5, 2026

Supercritical Nitrogen Processing for the Purification of Reactive Porous Materials
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Recent Developments in Materials for Physical Hydrogen Storage: A Review.

Thi Hoa Le1, Minsoo P Kim2, Chan Ho Park1

  • 1Department of Chemical and Biological Engineering, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 13120, Republic of Korea.

Materials (Basel, Switzerland)
|April 9, 2024
PubMed
Summary
This summary is machine-generated.

Hydrogen is a key renewable energy carrier for a sustainable future. This review explores advanced solid-state materials for efficient hydrogen storage, crucial for a hydrogen economy.

Keywords:
carbon-based materialshollow sphereshydrogenmetal–organic frameworks (MOFs)physical hydrogen storagezeolites

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Area of Science:

  • Energy Science
  • Materials Science
  • Environmental Science

Background:

  • Global energy demands and environmental concerns necessitate transition to renewable energy sources.
  • Hydrogen is a promising zero-emission energy carrier, vital for a sustainable energy system.
  • Developing efficient hydrogen production and storage is essential for establishing a hydrogen economy.

Purpose of the Study:

  • To review physical hydrogen storage materials.
  • To summarize properties, storage densities, and fabrication methods of these materials.
  • To discuss challenges in physical hydrogen storage for a hydrogen economy.

Main Methods:

  • Review of scientific literature on physical hydrogen storage materials.
  • Analysis of properties including hydrogen storage densities at various temperatures and pressures.
  • Examination of fabrication and modification techniques for storage materials.

Main Results:

  • Physical absorption in solid materials offers high storage and transportation performance for hydrogen.
  • Hollow spheres, carbon-based materials, zeolites, and metal-organic frameworks are key material types.
  • Properties, densities, and fabrication methods of these materials are summarized and discussed.

Conclusions:

  • Solid-state hydrogen storage is a promising technology for the hydrogen economy.
  • Further research and development are needed to overcome challenges in physical hydrogen storage materials.
  • Optimizing material properties and fabrication is key to advancing hydrogen energy applications.