Nanoporous sponges as carbon-based sorbents for atmospheric water generation
Innovative nanoporous sponges serve as efficient carbon-based sorbents for atmospheric water generation, offering low-cost, rapid cycling, and minimal energy use. Tailored for diverse humidity conditions, these sorbents promise scalable, high-performance water adsorption solutions.
Overview
Nanoporous sponges, derived from carbon feedstocks, have been developed as advanced sorbents for atmospheric water generation. These materials are designed to offer a low-cost, efficient solution for water adsorption, characterized by rapid and stable cycling with minimal energy requirements. Unlike traditional materials such as MOF, COF, and hydrogels, these sorbents prioritize material kinetics to enhance daily water yield significantly. The technology is poised to address water scarcity challenges in diverse environmental conditions by tailoring the sorbents to specific humidity ranges.
Technical specifications
Key features:
- Derived from carbon feedstocks with optimized pore structures for enhanced water adsorption.
- Capable of scaling from milligrams to multi-kilogram levels, with production costs ranging from $50-$100/kg.
- Designed for rapid cycling and stability, minimizing energy penalties compared to traditional desiccants.
- Customizable to target specific humidity conditions, offering flexibility for varied applications.
Applications:
- Atmospheric water generators for regions with water scarcity.
- Industrial applications requiring precise humidity control.
- Renewable energy systems benefiting from low-energy desiccant technology.
Technology readiness level
This technology has achieved a Technology Readiness Level (TRL) of 4, indicating that it has been validated in a laboratory environment and is in the process of being prototyped for field applications. Future efforts include optimizing prototypes and scaling sorbent production to meet specific partner requirements.
About École Polytechnique de Montréal
Polytechnique Montréal is a large public engineering school affiliated with Université de Montréal, combining rigorous academic programs with applied research at scale. Industry engagement is built into the model through structured co-op and internship pathways, on‑campus collaboration spaces, and longstanding partnerships with regional and global firms. Its location within a major research university ecosystem—and near teaching hospitals and startup hubs—helps companies move from prototype to validation and deployment. Research is supported by competitive federal funding from agencies such as NSERC and the Canada Foundation for Innovation, alongside provincial and industry investment. A dedicated technology transfer office assists with IP strategy, licensing, and startup formation, with streamlined agreements for sponsored research.
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