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

Electrodeposition01:08

Electrodeposition

2.7K
Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...
2.7K
Extraction: Advanced Methods00:56

Extraction: Advanced Methods

1.3K
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
1.3K
Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

3.0K
Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
3.0K

You might also read

Related Articles

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

Sort by
Same author

A Pseudo Hydronium Solvate Ionic Liquid and Taxonomy of the Allied Protic Media.

Chemistry, an Asian journal·2025
Same author

Fluorinated Amide-Based Electrolytes Induce a Sustained Low-Charging Voltage Plateau under Conditions Verifying the Feasibility of Achieving 500 Wh kg<sup>-1</sup> Class Li-O<sub>2</sub> Batteries.

ACS applied materials & interfaces·2024
Same author

Production of Noble-Metal Nanohelices Based on Nonlinear Dynamics in Electrodeposition of Binary Copper Alloys.

Nano letters·2023
Same author

Hydro-nium bis-(tri-fluoro-methane-sulfon-yl)amide-18-crown-6 (1/1).

IUCrData·2022
Same author

Enhancement of Oxidation of Silicon Carbide Originating from Stacking Faults Formed by Mode-Selective Phonon Excitation Using a Mid-Infrared Free Electron Laser.

The journal of physical chemistry letters·2022
Same author

Overlooked Factors Required for Electrolyte Solvents in Li-O<sub>2</sub> Batteries: Capabilities of Quenching <sup>1</sup> O<sub>2</sub> and Forming Highly-Decomposable Li<sub>2</sub> O<sub>2</sub>.

Angewandte Chemie (International ed. in English)·2022

Related Experiment Video

Updated: May 1, 2026

Localized Bathless Metal-Composite Plating via Electrostamping
08:05

Localized Bathless Metal-Composite Plating via Electrostamping

Published on: September 22, 2020

3.8K

Highly Efficient Trivalent Chromium Electroplating Enabled by the Hydrogen Isotope Effect.

Haruki Katori1, Kiho Nishioka1, Kuniaki Murase1

  • 1Department of Materials Science and Engineering, Kyoto University, 36-1 Yoshida-hommachi, Sakyo-ku, Kyoto 606-8501, Japan.

ACS Applied Materials & Interfaces
|April 29, 2026
PubMed
Summary

Researchers improved chromium electroplating efficiency by suppressing hydrogen evolution reactions using deuterated electrolytes. This novel approach enhances sustainability and film quality in surface finishing.

Keywords:
electroplatinghydrate melthydrogen evolution reactionisotope effectproton transport

More Related Videos

Development and Validation of Chromium Getters for Solid Oxide Fuel Cell Power Systems
12:30

Development and Validation of Chromium Getters for Solid Oxide Fuel Cell Power Systems

Published on: May 26, 2019

7.0K
Hydrogen Production and Utilization in a Membrane Reactor
10:00

Hydrogen Production and Utilization in a Membrane Reactor

Published on: March 10, 2023

3.6K

Related Experiment Videos

Last Updated: May 1, 2026

Localized Bathless Metal-Composite Plating via Electrostamping
08:05

Localized Bathless Metal-Composite Plating via Electrostamping

Published on: September 22, 2020

3.8K
Development and Validation of Chromium Getters for Solid Oxide Fuel Cell Power Systems
12:30

Development and Validation of Chromium Getters for Solid Oxide Fuel Cell Power Systems

Published on: May 26, 2019

7.0K
Hydrogen Production and Utilization in a Membrane Reactor
10:00

Hydrogen Production and Utilization in a Membrane Reactor

Published on: March 10, 2023

3.6K

Area of Science:

  • Electrochemistry
  • Materials Science
  • Surface Engineering

Background:

  • Conventional chromium electroplating processes exhibit low current efficiencies (10-20%) due to significant hydrogen evolution reactions (HER).
  • HER leads to energy waste and can cause embrittlement of electrodeposited chromium films.
  • Controlling HER is essential for developing sustainable and high-performance electroplating technologies.

Purpose of the Study:

  • To achieve high current efficiency in chromium electrodeposition by selectively suppressing the HER.
  • To explore the use of deuterated electrolytes and concentrated salt solutions for enhanced electroplating.
  • To provide a design principle for aqueous electroplating systems leveraging the water isotope effect.

Main Methods:

  • Utilized deuterated Cr(III) electrolytes in a highly concentrated CaCl2 system.
  • Investigated the suppression mechanism of HER through the isotope effect of water.
  • Tailored water dissociation around Cr(III) ions without organic additives.

Main Results:

  • Achieved a high current efficiency of approximately 90% for crystalline chromium electrodeposition.
  • Demonstrated selective suppression of HER via deuterated electrolytes and concentrated CaCl2.
  • Successfully enabled efficient crystalline Cr electrodeposition by controlling water dissociation.

Conclusions:

  • The study successfully enhanced chromium electroplating efficiency by suppressing HER using deuterated electrolytes.
  • The findings highlight the potential of exploiting the water isotope effect for sustainable electroplating.
  • A novel design principle for aqueous electroplating systems was established, offering a pathway for improved surface finishing technologies.