MUCH better chance of a battery catching fire than a hydrogen tank exploding. In fact, the latter is unlikely to happen. The former, it happens all the time.
- Mark Sent from my Fuel Cell powered iPhone > On Aug 15, 2021, at 1:03 PM, Robert Bruninga via EV <[email protected]> wrote: > > But then there is still the 30% loss in inefficiency in all the heat loss in > compressing the hydrogen into tanks. (and hoping it wont explode). > Bob > >> On Sun, Aug 15, 2021 at 3:39 PM Michael Ross via EV <[email protected]> >> wrote: >> >> From the WIKI: >> "Considering the industrial production of hydrogen, and using current best >> processes for water electrolysis (PEM or alkaline electrolysis) which have >> an effective electrical efficiency of 70–80%" >> I actually thought 70% was as good as it gets, but they think in another >> 10 years it might be in the upper 90%'s. >> >> I recall that the combustion of hydrogen was also pretty lossy. SO a lot of >> inefficiency coming and going with H. I will try to find where I got that >> idea and write back. The discussion was to the effect that combining O2 and >> H2 could never be better than some ceiling %. >> >> On Sun, Aug 15, 2021 at 3:20 PM Mark Abramowitz via EV <[email protected]> >> wrote: >> >>> Gee, a lot of incorrect stuff to reply to. >>> >>> Not incorrect, but you think that PSI is less confusing to use than bar? >>> Then it’s 10,000 PSI. As far as your description of what it is - frankly, I >>> hadn’t a clue what you were talking about. Your numbers seem to be >>> confusing a point. >>> >>> Manufacturing defects in a Camry? I’m not sure what you are talking about. >>> No Camrys involved. Tanks get tested. If you are trying to imply that they >>> are dangerous, well so is everything. Risks get managed. Some get managed >>> better than others. Batteries have their own risks, too, as does any other >>> energy storage mechanism. >>> >>> Fuel cell lifetime of 2,000 hours? Care to provide a source? It’s just not >>> true. >>> >>> Electrolysis not very efficient? What do *you* consider “not very >>> efficient”? What do you consider acceptable efficiency? >>> _______________________________________________ Address messages to [email protected] No other addresses in TO and CC fields UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/ LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org
