Emerging Porous Conductive Ion-Selective Membranes for Sustainable Energy Devices.

Area of Science:

• Materials Science
• Electrochemistry
• Chemical Engineering

Background:

• Porous conductive ion-selective membranes (PCIMs) are crucial for sustainable energy devices, offering low-resistance, high-ion-selectivity transport.
• Fabricating efficient PCIMs and understanding their structure-property-performance relationships remain significant challenges.

Purpose of the Study:

• This review synthesizes recent advancements in sub-nano/nanometer pore PCIMs.
• It focuses on design strategies, fabrication processes, and theoretical mechanisms of ion transport within confined pores.

Main Methods:

• Discusses theoretical mechanisms of ion transfer in confined pores.
• Analyzes the influence of pore characteristics (size, charge, geometry, orientation, durability) on ion selectivity.
• Highlights methods for designing and adjusting PCIMs with intrinsic, induced, and composite pores.

Main Results:

• Summarizes the effects of pore characteristics on ion-selective transport and regulation strategies.
• Details progress in PCIM applications across various electrochemical energy devices.
• Provides a comprehensive overview of emerging PCIMs for energy applications.

Conclusions:

• PCIMs with sub-nano/nanometer pores are key to advancing sustainable energy technologies.
• Understanding and controlling pore characteristics are vital for optimizing ion transport and device performance.
• This review serves as a valuable reference for researchers in the field of PCIMs and energy devices.