Hacker News Reader

I'm not sure if it's a factor, but hydrogen gas is relatively difficult to store. It tends to seep through the walls of any container.

View on HN

IIRC one "infrastructure-scale" battery idea is compressing hydrogen into salt domes. While I can't speak to the intersection of the article and this idea, people can clearly store hydrogen in massive amounts.

Reply on news.ycombinator.com