Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Ion Exchange

Ion Exchange

Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...

Crown Ethers

Crown Ethers

Crown ethers are cyclic polyethers that contain multiple oxygen atoms, usually arranged in a regular pattern. The first crown ether was synthesized by Charles Pederson while working at DuPont in 1967. For this work, Pedersen was co-awarded the 1987 Nobel Prize in Chemistry. Crown ethers are named using the formula x-crown-y, where x is the total number of atoms in the ring and y is the number of ether oxygen atoms. The term 'crown' refers to the crown-like shape that these ether molecules...

You might also read

Related Articles

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

Sort by

Same author

Rapid Method for Detection of <i>Staphylococcus aureus</i> in Feces.

Journal of biomedical nanotechnology·2019

Same author

Angiotensin II triggers autophagy and apoptosis in PC12 cell line: An in vitro Alzheimer's disease model.

Brain research·2019

Same author

Taylor's power law and its decomposition in urban facilities.

Royal Society open science·2019

Same author

Silane Cross-Linked Sulfonted Poly(Ether Ketone/Ether Benzimidazole)s for Fuel Cell Applications.

Polymers·2019

Same author

Comparative analysis of sequencing technologies for single-cell transcriptomics.

Genome biology·2019

Same author

Guide Star Selection for the Three-FOV Daytime Star Sensor.

Sensors (Basel, Switzerland)·2019

Search research articles

Related Experiment Video

Updated: Mar 27, 2026

Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites

Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites

Published on: September 19, 2020

Highly hydroxide conductive ionomers with fullerene functionalities.

Zhengjin Yang¹, Yazhi Liu¹, Rui Guo¹

¹CAS Key Laboratory of Soft Matter Chemistry, Collaborative Innovation Center of Chemistry for Energy Materials, School of Chemistry and Material Science, University of Science and Technology of China, Hefei 230026, P. R. China. twxu@ustc.edu.cn.

Chemical Communications (Cambridge, England)

|January 15, 2016

Summary

Researchers developed a new anion exchange ionomer for alkaline fuel cells using a novel fullerene cation. This design prevents catalyst poisoning and achieves high hydroxide conductivity at low cation levels.

More Related Videos

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Published on: September 5, 2018

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Published on: January 10, 2017

Related Experiment Videos

Last Updated: Mar 27, 2026

Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites

Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites

Published on: September 19, 2020

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Published on: September 5, 2018

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Morphology Control for Fully Printable Organic–Inorganic Bulk-heterojunction Solar Cells Based on a Ti-alkoxide and Semiconducting Polymer

Published on: January 10, 2017

Area of Science:

Materials Science
Electrochemistry
Polymer Chemistry

Background:

Catalyst poisoning is a major challenge in alkaline fuel cells (AFCs).
Developing stable anion exchange membranes (AEMs) is crucial for efficient AFC operation.

Purpose of the Study:

To design a novel anion exchange ionomer that prevents catalyst poisoning in AFCs.
To incorporate N-methyl pyrrolidine-C60 cation into polymeric anion exchange ionomers.

Main Methods:

Synthesis of a novel fullerene-based anion exchange ionomer.
Incorporation of N-methyl pyrrolidine-C60 cation into the ionomer backbone.
Measurement of hydroxide conductivity and cation concentration.

Main Results:

The novel ionomer demonstrates resistance to catalyst poisoning.
Achieved extremely high hydroxide conductivity of 182 mS cm(-1).
Maintained high conductivity at a low cation concentration of 0.62 mmol g(-1).

Conclusions:

The developed fullerene-based ionomer is a promising candidate for AFC applications.
The N-methyl pyrrolidine-C60 cation effectively enhances ionomer performance without poisoning the catalyst.
This represents a significant advancement in AEM technology for fuel cells.