LughM to Futurology@futurology.todayEnglish • 8 months agoPhotoncycle, a Norwegian start-up, says it can use solid hydrogen for long-term storage of renewable energy and wants to launch its product in Denmark on a €0.10 per kilowatt hour subscription basis.sifted.euexternal-linkmessage-square5fedilinkarrow-up18cross-posted to: hackernews@lemmy.smeargle.fansinterestingshare@lemmy.ziptechnology@lemmy.mlhackernews@derp.footechnology@lemmy.world
arrow-up18external-linkPhotoncycle, a Norwegian start-up, says it can use solid hydrogen for long-term storage of renewable energy and wants to launch its product in Denmark on a €0.10 per kilowatt hour subscription basis.sifted.euLughM to Futurology@futurology.todayEnglish • 8 months agomessage-square5fedilinkcross-posted to: hackernews@lemmy.smeargle.fansinterestingshare@lemmy.ziptechnology@lemmy.mlhackernews@derp.footechnology@lemmy.world
minus-square@JohnDClay@sh.itjust.workslinkfedilinkEnglish1•8 months agoThey claim their volumetric energy density is 3.3kWh/L, which is very good for hydrogen. The 3.5kWh/kg gravimetric energy density is very bad for hydrogen, but good compared to batteries.
They claim their volumetric energy density is 3.3kWh/L, which is very good for hydrogen. The 3.5kWh/kg gravimetric energy density is very bad for hydrogen, but good compared to batteries.