There is going to ba a point above which recycling batteries into new ones has a better payback than using them for storage. And, above which H2 and other less material intensive tech will be better storage. Tech will advance
On Wed, Sep 1, 2021 at 2:43 PM Ed Blackmond via EV <[email protected]> wrote: > > > > On Sep 1, 2021, at 9:53 AM, Willie via EV <[email protected]> wrote: > > > > > >> On 9/1/21 10:20 AM, Peri Hartman via EV wrote: > >> It could be that the grid can't handle any significant generation of PV > energy. If it could, economics would dictate that excess PV energy would be > sold, not shut down. > >> > >> The other possibility is this will produce an incentive to create > hydrogen storage for excess PV energy. In my opinion, that's an excellent > use for electrolysis plus either hydrogen turbines or fuel cells. Note, for > this application, the hydrogen does not need to be compressed. > > > > > > Speaking without great familiarity with storage costs, I think short > term battery storage is most likely to solve the problem. Battery stored > energy can get to the grid for only about a 20% loss while hydrogen, as I > understand, will be FAR less efficient. > > > > Typically, over production of either wind or PV can be managed with > storage of well under 24 hours. We can look forward to continued battery > cost reductions, especially from Tesla. > > > > For longer term storage, hydrogen might find a niche. > > > There will soon be more battery storage than we know what to do with. All > these electric vehicles with 200+ mile range will need to replace their > batteries when the range drops below an acceptable level. > > These batteries will still be quite useful for grid storage/backup. It > doesn’t really matter how much ground space a battery requires when it is > sitting under a solar array. > > When the batteries are depleted enough to no longer be useful for this > application, they are going to be in centralized locations simplifying the > recycling process and they can become new batteries for cars, starting the > cycle all over again. > > Ed > _______________________________________________ > 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 > -- Michael E. Ross (919) 585-6737 Land (919) 901-2805 Cell and Text (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Tablet, Google Phone and Text -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20210901/936342af/attachment.html> _______________________________________________ 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
