A membrane comprising a composition including 1 to 99 wt-% of at least one polyurethane elastomer comprising at least one hard segment and at least one soft segment, and 99 to 1 wt-% of a solid,wherein said solid is incorporated in said at least one polyurethane elastomer. Energy is harvested at portablemobile devices, stored and conditioned to provide on-going power as needed for various circuitscomponents. The venturi device creates a gas flow through a condenser to generate reactant water. The particle monitor may have a port coupled to the factory interface module.