Fine-tuning ion exchange membranes for better energy storage

Researchers at Imperial College London have developed a new class of ion exchange membranes to improve energy storage in devices like flow batteries. By optimizing the structure of polymer membranes, particularly polymers of intrinsic microporosity (PIMs), the team created selective channels that allow ions to pass while blocking other molecules. This balance enhances the efficiency and lifespan of batteries, crucial for sustainable energy storage. Using advanced modeling and testing, including neutron scattering and nuclear magnetic resonance, the team demonstrated stable performance in battery applications. Their work, backed by patents and further research grants, aims to extend membrane use in fields such as lithium extraction and resource recovery.

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