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

Ladder Diagrams: Redox Equilibria01:30

Ladder Diagrams: Redox Equilibria

538
Ladder diagrams are useful tools for understanding redox equilibrium reactions, especially the effects of concentration changes on the electrochemical potential of the reaction. The vertical axis in the redox ladder diagrams represents the electrochemical potential, E. The area of predominance is demarcated using the Nernst equation.
Consider the Fe3+/Fe2+ half-reaction, which has a standard-state potential of +0.771 V. At potentials more positive than +0.771 V, Fe3+ predominates, whereas Fe2+...
538
Formation of Complex Ions03:45

Formation of Complex Ions

24.0K
A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
24.0K
Interfacial Electrochemical Methods: Overview01:06

Interfacial Electrochemical Methods: Overview

457
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...
457
Electrodeposition01:08

Electrodeposition

735
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...
735
Ionic Bonding and Electron Transfer02:48

Ionic Bonding and Electron Transfer

42.5K
Ions are atoms or molecules bearing an electrical charge. A cation (a positive ion) forms when a neutral atom loses one or more electrons from its valence shell, and an anion (a negative ion) forms when a neutral atom gains one or more electrons in its valence shell. Compounds composed of ions are called ionic compounds (or salts), and their constituent ions are held together by ionic bonds: electrostatic forces of attraction between oppositely charged cations and anions. 
42.5K
Electrolysis03:00

Electrolysis

27.4K
In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are transferred through an external circuit. Alternatively, an external circuit does work on a redox system by imposing a voltage sufficient to drive an otherwise nonspontaneous reaction in a process known as electrolysis. For instance, recharging a battery involves the use of an external power source to drive the spontaneous (discharge) cell reaction in...
27.4K

You might also read

Related Articles

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

Sort by
Same author

Endowing Metal Oxychloride Solid Electrolytes with Improved Li Compatibility.

Journal of the American Chemical Society·2026
Same author

Anion-exchange fluorinated ion conductors for stable high-voltage lithium battery.

Nature communications·2026
Same author

Intrinsically Stable Amorphous Phases Unlock Sustainable Potassium Anodes.

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

Visualizing the Hidden Atomic Pathways of Iron Oxidation.

Journal of the American Chemical Society·2026
Same author

Electro-Chemo-Mechanical Coupling Effects of Al<sub>2</sub>O<sub>3</sub> Coatings on Separators in High Energy Density Lithium Metal Batteries.

ACS nano·2026
Same author

Mechanically compliant and cost-effective 1.4Li<sub>2</sub>O-0.75ZrCl<sub>4</sub>-0.25AlCl<sub>3</sub> solid electrolyte for all-solid-state batteries with improved cycling stability.

Nature communications·2026

Related Experiment Video

Updated: Sep 20, 2025

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
06:53

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

Published on: June 9, 2023

2.1K

Exploiting the Iron Difluoride Electrochemistry by Constructing Hierarchical Electron Pathways and Cathode

Shuangxu Liu1, Jingzhao Chen2, Yong Su1

  • 1School of Materials Science and Engineering, Xiangtan University, Xiangtan, Hunan, 411105, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)
|June 10, 2022
PubMed
Summary

Iron fluoride (FeF2) conversion cathodes show promise for next-gen lithium ion batteries. A new fabrication method enhances conductivity and stability, achieving remarkable cycle life and high capacity.

Keywords:
FeF 2 cathodescathode electrolyte interfaceselectrochemical performanceshierarchical electron pathwayshigh areal capacity

More Related Videos

In Situ Lithiated Reference Electrode: Four Electrode Design for In-operando Impedance Spectroscopy
09:36

In Situ Lithiated Reference Electrode: Four Electrode Design for In-operando Impedance Spectroscopy

Published on: September 12, 2018

8.9K
Rapid in-silico Battery Electrolyte Electrochemical Reaction Generation using 3T-VASP Multi-Scale Energy Minimization
05:37

Rapid in-silico Battery Electrolyte Electrochemical Reaction Generation using 3T-VASP Multi-Scale Energy Minimization

Published on: August 22, 2025

98

Related Experiment Videos

Last Updated: Sep 20, 2025

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
06:53

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

Published on: June 9, 2023

2.1K
In Situ Lithiated Reference Electrode: Four Electrode Design for In-operando Impedance Spectroscopy
09:36

In Situ Lithiated Reference Electrode: Four Electrode Design for In-operando Impedance Spectroscopy

Published on: September 12, 2018

8.9K
Rapid in-silico Battery Electrolyte Electrochemical Reaction Generation using 3T-VASP Multi-Scale Energy Minimization
05:37

Rapid in-silico Battery Electrolyte Electrochemical Reaction Generation using 3T-VASP Multi-Scale Energy Minimization

Published on: August 22, 2025

98

Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Conversion-type cathodes, particularly iron fluorides (FeF2 and FeF3), are explored as alternatives to intercalation cathodes for advanced lithium-ion batteries.
  • Key challenges hindering iron fluoride application include poor electronic conductivity, ion dissolution, and unstable cathode electrolyte interfaces (CEIs).

Purpose of the Study:

  • To develop a facile fabrication route for mechanically robust FeF2 nanoparticle electrodes with hierarchical electron pathways.
  • To address the limitations of poor conductivity and unstable interfaces in iron fluoride cathodes for improved lithium-ion battery performance.

Main Methods:

  • Fabrication of FeF2 nanoparticles within a mechanically strong electrode structure featuring hierarchical electron pathways.
  • Electrochemical testing of FeF2/Li cells to evaluate cycle performance, capacity retention, and rate capability.
  • Advanced electron microscopy to investigate the morphology and stability of cathode electrolyte interfaces (CEIs).

Main Results:

  • Achieved remarkable cycle performance with 300 mAh g-1 capacity after 4500 cycles at 1C for FeF2/Li cells.
  • Demonstrated a record stable high area capacity exceeding 6 mAh cm-2.
  • Attained ultra-high rate capabilities at 20C (low mass loading) and 6C (high mass loading).

Conclusions:

  • The construction of effective electronic connections and stable cathode electrolyte interfaces (CEIs) is crucial for enhancing FeF2 cathode performance.
  • The developed fabrication method successfully overcomes key limitations, paving the way for high-performance iron fluoride-based lithium-ion batteries.