Investigating Electrode-Ionomer Interface Phenomena for Electrochemical Energy Applications.

Area of Science:

• Electrochemistry
• Materials Science
• Energy Storage

Background:

• High-performance electrochemical energy applications require understanding electrode structure dynamics.
• Electrode-ionomer interactions critically influence electrochemical reaction optimization.
• Ionomer behavior at the electrode-ionomer interface affects surface reactions.

Purpose of the Study:

• To investigate electrode-ionomer interactions at microscopic and macro scales.
• To analyze the impact of ionomer distribution in porous electrodes.
• To evaluate techniques for studying ionomer distribution and its performance implications.

Main Methods:

• Review of microscopic and meso/macro scale ionomer functions.
• Analysis of ionomer types, electrode ink formulation, and carbon support interactions.
• Evaluation of electrochemical, imaging, modeling, and analytical investigation techniques.

Main Results:

• Ionomer interactions can significantly enhance or impede electrochemical surface reactions.
• Broader-scale ionomer distribution is influenced by formulation and support interactions.
• Various techniques offer insights into ionomer distribution within electrodes.

Conclusions:

• Optimizing electrode-ionomer interactions is crucial for advancing energy conversion devices.
• Understanding these dynamics facilitates the design of more efficient and sustainable energy solutions.
• This review provides a comprehensive overview for future research and development.