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

Voltaic/Galvanic Cells02:47

Voltaic/Galvanic Cells

Spontaneous Chemical Reactions
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
Batteries and Fuel Cells03:12

Batteries and Fuel Cells

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...
Electrochemical Cells01:28

Electrochemical Cells

Electrochemical cells are systems that convert chemical energy into electrical energy or use electrical energy to drive chemical reactions. They consist of two electrodes in contact with an electrolyte, where redox reactions enable electron transfer. Most electrochemical cells include two half-cells connected by an external wire for electron flow and a salt bridge for ion flow. The salt bridge contains an electrolyte solution and maintains charge neutrality by allowing ions—not electrons—to...

You might also read

Related Articles

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

Sort by
Same author

Polymer of Intrinsic Microporosity-Derived Artificial SEI With Electronegative Sub-1-nm Channels for Robust Li-Metal Anodes.

Angewandte Chemie (International ed. in English)·2026
Same author

Effect of 37°C Pre-Warmed Versus Room Temperature Gadoxetic Acid Disodium Contrast Medium on Patient Comfort and Image Quality in Liver MRI: A Prospective, Double-Blind, Self-Controlled Before-and-After Study.

Journal of magnetic resonance imaging : JMRI·2026
Same author

Tightly coupled equivariant flow matching for molecular docking with multimodal physical constraints.

Molecular diversity·2026
Same author

Multiomics prediction and immunogenic validation of personalized neoantigens in cholangiocarcinoma patients.

Journal of translational medicine·2026
Same author

Mitigating Intraoperative Fatigue in Surgeons at High Altitude: A Stepped-Wedge Cluster Randomized Trial.

High altitude medicine & biology·2026
Same author

Minimizing Implant Rejections through Low-Inflammatory and Immune-Regulatory Biointerfaces.

ACS applied materials & interfaces·2026

Related Experiment Video

Updated: Jul 16, 2026

Protocol of Electrochemical Test and Characterization of Aprotic Li-O2 Battery
08:18

Protocol of Electrochemical Test and Characterization of Aprotic Li-O2 Battery

Published on: July 12, 2016

11.6K

S-decorated Mo2C as efficient catalyst for Li-O2 battery system.

Yanhong Ding1, Zhichao Gao1, Rongpeng Lin1

  • 1College of Materials and Advanced Manufacturing, Hunan University of Technology Zhuzhou 412007 People's Republic of China zhuyirong2004@163.com.

RSC Advances
|July 9, 2025
PubMed
Summary

Sulfur doping of Mo2C enhances lithium-oxygen battery performance by improving kinetics and stability. This novel S@Mo2C cathode material offers higher capacity and longer cycle life for advanced energy storage.

More Related Videos

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
10:57

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

18.4K
Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
08:40

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Published on: December 6, 2021

3.7K

Related Experiment Videos

Last Updated: Jul 16, 2026

Protocol of Electrochemical Test and Characterization of Aprotic Li-O2 Battery
08:18

Protocol of Electrochemical Test and Characterization of Aprotic Li-O2 Battery

Published on: July 12, 2016

11.6K
Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
10:57

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

18.4K
Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
08:40

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Published on: December 6, 2021

3.7K

Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Lithium-oxygen (Li-O2) batteries offer high theoretical energy density but suffer from poor kinetics, high overpotential, and instability.
  • Current cathode materials limit the practical application of Li-O2 batteries.

Purpose of the Study:

  • To enhance the electrochemical performance of Mo2C cathode materials for Li-O2 batteries.
  • To investigate the effect of sulfur doping on Mo2C's electronic structure and catalytic activity.

Main Methods:

  • Hydrothermal synthesis was used to prepare sulfur-modified Mo2C (S@Mo2C) cathode materials.
  • Characterization techniques included X-ray diffraction (XRD), transmission electron microscopy (TEM), and X-ray photoelectron spectroscopy (XPS).
  • Electrochemical performance was evaluated through specific capacity, overpotential, and cycling stability tests.

Main Results:

  • S@Mo2C demonstrated a specific capacity of 3955 mA h g-1, significantly higher than commercial Mo2C (508 mA h g-1).
  • The charge and discharge overpotential was reduced by 53.6% to 0.26 V.
  • Capacity retention remained at 77.8% after 250 cycles, indicating improved stability.
  • Sulfur doping formed a MoS2/MoS3 heterostructure, enhancing conductivity and oxygen reduction/precipitation (ORR/OER) activity.
  • Sulfur doping promoted amorphous Li2O2 formation and inhibited insulating Li2O2 accumulation.

Conclusions:

  • Sulfur doping is an effective strategy to improve the performance of Mo2C-based cathode materials for Li-O2 batteries.
  • The S@Mo2C material exhibits superior electrochemical performance, including high capacity, low overpotential, and excellent cycle stability.
  • This study provides a new pathway for designing efficient catalysts for advanced energy storage systems.