Alkaline polymer electrolyte membranes for fuel cell applications

Area of Science:

• Materials Science
• Electrochemistry
• Chemical Engineering

Background:

• Alkaline polymer electrolyte membranes (PEMs) are crucial for alkaline polymer electrolyte membrane fuel cells (PEMFCs).
• Developing stable and efficient alkaline PEMs is key to advancing fuel cell technology.

Purpose of the Study:

• To review recent progress in alkaline PEM development, covering materials, synthesis, characterization, and theoretical approaches.
• To analyze the fabrication of membrane electrode assemblies (MEAs) and their performance/durability in alkaline PEMFCs.
• To identify challenges and propose future research directions for alkaline PEM technology.

Main Methods:

• Comprehensive literature review of recent research on alkaline PEMs.
• Analysis of material selection, synthesis techniques, and characterization methods.
• Evaluation of MEA fabrication, performance, and durability in alkaline PEMFCs.

Main Results:

• Recent advancements in alkaline PEM materials and synthesis have been identified.
• The performance and durability of alkaline PEM-based MEAs in PEMFCs have been assessed.
• Key challenges hindering commercialization and potential solutions have been highlighted.

Conclusions:

• Alkaline PEM technology shows significant promise for fuel cell applications.
• Overcoming current challenges requires focused research in material design and long-term stability.
• Further investigation into theoretical approaches and fabrication methods is essential for commercial viability.