Here's the Nighthawkinlight video on the membranes, their effectiveness, and even a demonstration of his own self-pressurizing hydrogen capture device using these membranes.
IMO this technology is/will be a big deal for off-grid properties. I suspect his next video is going to be about creating larger flow batteries charged with a solar input.
https://www.youtube.com/watch?v=eq7fR9ISuCw
