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Related Concept Videos

Batteries and Fuel Cells03:12

Batteries and Fuel Cells

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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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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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Hydrogen Bonds01:04

Hydrogen Bonds

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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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DC Battery01:21

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A conductor needs to be a component of a path that creates a closed loop or full circuit to have a continuous current flowing through it. A current starts to flow if an electric field is created inside an isolated conductor that is not part of a full circuit. The conductor quickly develops a net positive charge at one end and a net negative charge at the other. These charges generate an electric field opposite the direction of the applied electric field, which reduces the current. Eventually,...
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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.
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.
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Reduction of Benzene to Cyclohexane: Catalytic Hydrogenation01:28

Reduction of Benzene to Cyclohexane: Catalytic Hydrogenation

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Unlike the easy catalytic hydrogenation of an alkene double bond, hydrogenation of a benzene double bond under similar reaction conditions does not take place easily. For example, in the reduction of stilbene, the benzene ring remains unaffected while the alkene bond gets reduced. Hydrogenation of an alkene double bond is exothermic and a favorable process. In contrast, to hydrogenate the first unsaturated bond of benzene, an energy input is needed; that is, the process is endothermic. This is...
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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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A Rechargeable Hydrogen Battery.

Neethu Christudas Dargily1, Ravikumar Thimmappa1, Zahid Manzoor Bhat1

  • 1Department of Chemistry and Centre for Energy Science , Indian Institute of Science Education and Research (IISER)-Pune , Dr. Homi Bhabha Road , Pashan, Pune 411008 , India.

The Journal of Physical Chemistry Letters
|April 25, 2018
PubMed
Summary
This summary is machine-generated.

This study introduces a rechargeable battery using hydrogen, a clean energy source. Proton-coupled electron transfer enables this sustainable battery chemistry, advancing clean energy solutions.

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Area of Science:

  • Electrochemistry
  • Sustainable Energy
  • Materials Science

Background:

  • Growing demand for sustainable energy storage solutions.
  • Limitations of current battery technologies in terms of environmental impact.
  • The potential of hydrogen as a clean energy carrier.

Purpose of the Study:

  • To develop a novel rechargeable battery chemistry utilizing hydrogen.
  • To investigate the mechanism of proton-coupled electron transfer in energy storage.
  • To demonstrate a sustainable alternative to conventional batteries.

Main Methods:

  • Electrochemical analysis of battery performance.
  • Spectroscopic techniques to identify reaction intermediates.
  • Spectroelectrochemical studies to probe reaction mechanisms during cycling.

Main Results:

  • Successful demonstration of a rechargeable battery based on hydrogen.
  • Evidence of proton participation in the charge-discharge process.
  • Stable cycling performance indicating long-term viability.

Conclusions:

  • Proton-coupled electron transfer is a viable mechanism for hydrogen-based batteries.
  • This technology offers a promising, environmentally friendly energy storage solution.
  • Advances sustainable energy landscape amidst climate change concerns.