CNF Membrane

 Development of forest-based membranes for electrochemical energy devices

Industry: Energy

Country: Sweden


Emerging technologies like Proton Exchange Fuel Cells (PEMFCs) and Redox Flow Batteries (RFB) are heralded as vital components in the global shift towards renewable energy. However, their reliance on PFSA-based membranes has raised significant environmental and health concerns. The European Union’s response, imposing restrictions on PFSA usage, has spurred major industry players like 3M to reevaluate their practices, with plans to discontinue PFAS-based materials production by 2025. This shift, estimated to cost 2 billion USD annually, underscores a growing recognition of the need for sustainable alternatives.

In this landscape, Cellfion’s pioneering work stands out. Their bio-based, ion-selective membrane derived from natural cellulose not only addresses the shortcomings of PFSA membranes but also offers a 27-fold increase in cost-effectiveness compared to current solutions. This breakthrough promises to not only enhance the safety and sustainability of emerging energy technologies but also to drive forward their economic viability, marking a significant step towards a greener and more efficient energy future.