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

Interfacial Electrochemical Methods: Overview01:06

Interfacial Electrochemical Methods: Overview

251
Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current...
251
Batteries and Fuel Cells03:12

Batteries and Fuel Cells

27.5K
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...
27.5K

You might also read

Related Articles

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

Sort by
Same authorSame journal

O-Zn-N-Bonded and Zn Vacancy-Rich ZnO/ZIF-8@CoPc Heterojunction for Photocatalytic N<sub>2</sub> Reduction.

Inorganic chemistry·2026
Same author

Advances in Electrocatalytic CO<sub>2</sub> Reduction Under Acidic Media: Interfacial Microenvironment, Catalyst Design, and Electrolyzers.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

Rational design of high-loading electrocatalytic electrodes: from static multiscale integration to dynamic intelligent systems.

Chemical Society reviews·2026
Same author

Research progress of high-entropy catalysts in electrochemical oxidation of organic small molecules.

Chemical communications (Cambridge, England)·2026
Same author

d-Orbital modulation of high-entropy sulfides with amorphous/crystalline heterostructures for simultaneous hydrogen production and sulfur recovery.

Chemical science·2026
Same author

Electronic Structure Modulation in High-Entropy@Cu<sub><i>x</i></sub>S<sub><i>y</i></sub> Heterostructured Nanorods via Interface Engineering for Enhanced Multifunctional Electrocatalysis.

Inorganic chemistry·2026

Related Experiment Video

Updated: Jul 9, 2025

Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells
06:39

Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells

Published on: October 20, 2023

2.9K

Precise Interstitial Built-In Electric Field Tuning for Hydrogen Evolution Electrocatalysis.

Jiawei Fei1, Dan Zhang2, Tiantian Wang1

  • 1State Key Laboratory Base of Eco-Chemical Engineering, International Science and Technology Cooperation Base of Eco-Chemical Engineering and Green Manufacturing, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, Shandong, P. R. China.

Inorganic Chemistry
|November 27, 2023
PubMed
Summary

Researchers precisely tuned the built-in electric field (BEF) in nanocatalysts by inserting boron. This optimization significantly enhanced hydrogen evolution reactions (HERs) and promoted hydrogen spillover for efficient water splitting.

More Related Videos

Hydrogen Production and Utilization in a Membrane Reactor
10:00

Hydrogen Production and Utilization in a Membrane Reactor

Published on: March 10, 2023

2.4K
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 9, 2025

Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells
06:39

Author Spotlight: Design and Evaluation of Au-Electroplated Carbon Fiber Cloth Electrodes for Hydrogen Peroxide Fuel Cells

Published on: October 20, 2023

2.9K
Hydrogen Production and Utilization in a Membrane Reactor
10:00

Hydrogen Production and Utilization in a Membrane Reactor

Published on: March 10, 2023

2.4K
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:

  • Built-in electric fields (BEF) are crucial for tuning electronic structures and hydrogen spillover in catalysis.
  • Existing BEF methods lack precise and continuous tunability, limiting catalyst optimization.
  • Controlling BEF is key to improving adsorption of reaction intermediates and overall catalytic efficiency.

Purpose of the Study:

  • To synthesize nanocatalysts with precisely tunable interstitial built-in electric fields (BEF).
  • To investigate the impact of interstitial BEF strength on intermediate adsorption and hydrogen spillover.
  • To evaluate the catalytic performance of these novel catalysts for hydrogen evolution reactions (HERs).

Main Methods:

  • Synthesis of a series of nanocatalysts (Bₓ-Cu/NC) with varying interstitial boron content to create tunable BEF.
  • Systematic investigation of interstitial BEF effects on intermediate adsorption and hydrogen spillover.
  • Electrocatalytic testing for hydrogen evolution reactions (HERs) and stability assessment in a PEM water electrolyzer.
  • Computational analysis using density functional theory (DFT) and in situ Raman spectroscopy.

Main Results:

  • Three catalysts (B₀.₂₂-Cu/NC, B₀.₃₀-Cu/NC, B₀.₄₁-Cu/NC) with distinct BEF strengths were successfully synthesized.
  • B₀.₃₀-Cu/NC demonstrated superior HER performance, achieving a turnover frequency (TOF) of 0.36 s⁻¹ at -0.1 V vs. RHE, three times that of pure Cu.
  • The B₀.₃₀-Cu/NC catalyst exhibited excellent long-term stability in a PEM water electrolyzer at 500 mA cm⁻².

Conclusions:

  • Precisely tuned interstitial BEF is a highly effective strategy for optimizing nanocatalyst performance.
  • Suitable interstitial BEF enhances intermediate adsorption and promotes hydrogen spillover, boosting HER efficiency.
  • The developed B₀.₃₀-Cu/NC catalyst represents a significant advancement in copper-based HER catalysts and water splitting technology.