Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Oxygenic Photosynthesis01:26

Oxygenic Photosynthesis

45
Oxygenic photosynthesis is a fundamental process in which light energy is harnessed to drive the oxidation of water, leading to the production of molecular oxygen (O₂), adenosine triphosphate (ATP), and nicotinamide adenine dinucleotide phosphate (NADPH). This process is essential for sustaining aerobic life on Earth and is primarily carried out by cyanobacteria, algae, and plants. The core of oxygenic photosynthesis lies in the thylakoid membranes, where chlorophyll pigments facilitate...
45
Anoxygenic Photosynthesis01:30

Anoxygenic Photosynthesis

50
Anoxygenic photosynthesis is a phototrophic process that captures light energy to drive carbon fixation without producing molecular oxygen. Unlike oxygenic photosynthesis, which utilizes water as an electron donor and releases oxygen, anoxygenic phototrophs use alternative electron donors such as hydrogen sulfide (H₂S), elemental sulfur (S⁰), or thiosulfate (S₂O₃²⁻). This process is carried out by diverse groups of bacteria, including purple bacteria, green...
50
The Supercomplexes in the Crista Membrane01:41

The Supercomplexes in the Crista Membrane

2.5K
The mitochondrial cristae membrane is the primary site for the oxidative phosphorylation (OXPHOS) process of energy conversion mediated through respiratory complexes I to V. These complexes have been widely studied for decades, and it has been proven that they form supramolecular structures called respiratory supercomplexes (SC). These higher-order complexes may be crucial in maintaining the biochemical structure and improving the physiological activity of the individual complexes while...
2.5K
Carbon-dioxide Fixation01:28

Carbon-dioxide Fixation

37
Carbon dioxide fixation in prokaryotes enables the assimilation of inorganic carbon into organic molecules, supporting biosynthetic pathways, sustaining ecosystems, and contributing to the global carbon cycle. It also has industrial applications in carbon capture and bioproduct synthesis. Autotrophic organisms rely on this process to utilize CO₂ as a carbon source in diverse environments.The Calvin CycleThe Calvin cycle is the most widespread carbon fixation mechanism, primarily used by...
37
Oxidative Cleavage of Alkenes: Ozonolysis01:46

Oxidative Cleavage of Alkenes: Ozonolysis

10.6K
In ozonolysis, ozone is used to cleave a carbon–carbon double bond to form aldehydes and ketones, or carboxylic acids, depending on the work-up.
Ozone is a symmetrical bent molecule stabilized by a resonance structure.
10.6K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

CXCL10/SLC11A1 Axis Exacerbates Septic Liver Injury by Regulating Neutrophil Extracellular Traps Formation to Drive Macrophage Pro‑Inflammatory Polarization.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Unlocking Lewis-Acid Catalysis and Crystalline Polyselenide Evolution for Ultra-Stable Sodium-Ion Batteries.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Hydroxyl-rich nanocavities on perovskite enable nearly barrierless intramolecular hydrogen transfer for nitrate electroreduction to ammonia.

Nature communications·2026
Same author

Template-Confined Synthesis of 1 nm High-Entropy-Alloy Nanoparticle Library for Electrocatalysis.

ACS nano·2026
Same author

Phase Engineering of Pd-Te Hexagonal Nanoplates for Enhancing Nitrogen Oxidation.

Journal of the American Chemical Society·2026
Same author

Goblet-Like P-Driven Pt<sub>3</sub>Mn Alloys Enable High Power Density and 1000 h Durability in Practical Fuel Cells.

Journal of the American Chemical Society·2026

Related Experiment Video

Updated: Jul 18, 2025

Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance
09:02

Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance

Published on: April 27, 2018

7.8K

Structurally-Distorted RuIr-Based Nanoframes for Long-Duration Oxygen Evolution Catalysis.

Shangheng Liu1, Huang Tan2,3, Yu-Cheng Huang4

  • 1State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China.

Advanced Materials (Deerfield Beach, Fla.)
|August 24, 2023
PubMed
Summary

A new CdRu2 IrOx nanoframes catalyst with distorted structure significantly enhances the oxygen evolution reaction (OER) for acidic conditions. This breakthrough offers improved activity and stability for proton exchange membrane water electrolysis (PEMWE).

Keywords:
Runanoframeoxygen evolution catalysisstabilitystructurally-distorted

More Related Videos

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films
08:49

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Published on: December 4, 2014

14.3K
Protein Film Infrared Electrochemistry Demonstrated for Study of H2 Oxidation by a [NiFe] Hydrogenase
10:01

Protein Film Infrared Electrochemistry Demonstrated for Study of H2 Oxidation by a [NiFe] Hydrogenase

Published on: December 4, 2017

12.3K

Related Experiment Videos

Last Updated: Jul 18, 2025

Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance
09:02

Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance

Published on: April 27, 2018

7.8K
Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films
08:49

Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films

Published on: December 4, 2014

14.3K
Protein Film Infrared Electrochemistry Demonstrated for Study of H2 Oxidation by a [NiFe] Hydrogenase
10:01

Protein Film Infrared Electrochemistry Demonstrated for Study of H2 Oxidation by a [NiFe] Hydrogenase

Published on: December 4, 2017

12.3K

Area of Science:

  • Materials Science
  • Electrochemistry
  • Catalysis

Background:

  • Proton exchange membrane water electrolysis (PEMWE) is crucial for hydrogen production.
  • Electrocatalysts for the oxygen evolution reaction (OER) in acidic media face challenges with low activity and stability.
  • Developing efficient OER electrocatalysts is essential for advancing PEMWE technology.

Purpose of the Study:

  • To fabricate a novel CdRu2 IrOx nanostructure with a distorted framework for enhanced acidic oxygen evolution reaction (OER) performance.
  • To investigate the structural and electronic properties influencing the catalytic activity and stability.
  • To demonstrate the efficacy of the new catalyst in proton exchange membrane water electrolysis (PEMWE) devices.

Main Methods:

  • Synthesis of CdRu2 IrOx nanoframes with a focus on inducing structural distortion.
  • Electrochemical characterization including overpotential and stability measurements in 0.5 M H2 SO4.
  • Advanced characterization techniques such as X-ray absorption spectroscopy (XAS) and theoretical calculations.

Main Results:

  • The distorted CdRu2 IrOx catalyst exhibited an ultralow OER overpotential of 189 mV and remarkable stability of 1500 hours at 10 mA cm⁻².
  • A PEMWE cell utilizing this catalyst operated stably at 0.1 A cm⁻² for 90 hours.
  • Synergistic effects between Ru and Ir in the distorted structure were identified, leading to altered bond characteristics and stable Ru5+ species formation under applied potential.

Conclusions:

  • Structural distortion in CdRu2 IrOx nanoframes is an effective strategy to boost OER activity and stability in acidic media.
  • The findings provide a new pathway for designing advanced electrocatalysts for efficient water electrolysis.
  • This work contributes to the development of more robust and efficient catalysts for clean energy applications.