I recall that there is a company using Teslas as a taxi service between Los Angeles and Las Vegas. Their Model S flagged up a cell balance problem at 190,000 miles and its battery was replaced under warranty. Tesla looked at the logs and advised in future that they should not use the supercharger for every charge.
On Tue, 17 Mar 2020 at 16:36, Peri Hartman via EV <[email protected]> wrote: > > Thanks ! So, is it reasonably safe to say, especially with Tesla, that > the BMS is preventing the kind of excess rapid charging demonstrated in > the article ? It seems preposterous that significant damage is occurring > to EV batteries. (I know it will cause slow, long term damage.) In which > case, the article is intended to scare people and, perhaps, funded by > you know who. I looked at the article again, but there's nothing ominous > in the funding list. > > Insomnia: I laugh. When I was in high school, if I had insomnia > (rarely), I remember I simply opened my history book and was asleep in a > few minutes. (I really enjoy history, now, by the way.) > > Peri > > ------ Original Message ------ > From: "Peter C. Thompson via EV" <[email protected]> > To: [email protected] > Cc: "Peter C. Thompson" <[email protected]> > Sent: 17-Mar-20 8:51:08 AM > Subject: Re: [EVDL] DC charging damages EV packs (?fact or > anti-EV-hype?) > > >Ah, finally, an area where I am an expert. :) > > > >The communication is defined in ISO 15118-2, the transport layers are in > >15118-3 (PLC) and 15118-8 (wifi). No one is using the wifi version for DC - > >only for wireless power. > > > >However, nowhere in the spec does the battery temp get sent. There is a > >warning when the battery is over temp, but that's about it. > >Most of the time, the job of protecting the battery is the BMS. The BMS > >tells the EV-side charger how much power it can accept, and when to throttle > >power. > > > >Part of this is that the OEMs think that any info about the battery is > >confidential information. Which is why SoC is optional, and not always sent > >to the charger. > > > >And yes, you are absolutely correct, Peri: you DON'T want to read these > >specs... they are a very good cure for insomnia. > > > >Cheers, Peter > > > >On 3/17/20 7:05 AM, Peri Hartman via EV wrote: > >>Do you know more, yourself ? I don't really want to study the spec :) > >>Peri > >> > >>------ Original Message ------ > >>From: "paul dove" <[email protected]> > >>To: "Peri Hartman" <[email protected]>; "Electric Vehicle Discussion List" > >><[email protected]> > >>Sent: 17-Mar-20 4:52:28 AM > >>Subject: Re: [EVDL] DC charging damages EV packs (?fact or anti-EV-hype?) > >> > >>>DC fast chargers use HCL defined in ISO 15118-8 Specification. > >>> > >>>Volume eight is the physical and data link layer > >>> > >>>Sent from my iPhone > >>> > >>>>On Mar 16, 2020, at 11:42 PM, Peri Hartman via EV <[email protected]> > >>>>wrote: > >>>> > >>>>I thought the level 3 chargers took into account cell temperature and > >>>>other conditions. I know, for example, that my almost 10 year old Leaf > >>>>battery charges at only about 10kw now. Something is communicating. > >>>> > >>>>Peri > >>>> > >>>>------ Original Message ------ > >>>>From: "evln via EV" <[email protected]> > >>>>To: [email protected] > >>>>Cc: "evln" <[email protected]> > >>>>Sent: 16-Mar-20 12:57:21 PM > >>>>Subject: [EVDL] DC charging damages EV packs (?fact or anti-EV-hype?) > >>>> > >>>>> > >>>>> > >>>>>https://news.ucr.edu/articles/2020/03/11/fast-charging-damages-electric-car-batteries > >>>>>Fast-charging damages electric car batteries > >>>>>Commercial fast-charging stations subject electric car batteries to high > >>>>>temperatures and high resistance that can cause them to crack, leak, and > >>>>>lose their ... > >>>>>https://news.ucr.edu/sites/g/files/rcwecm1816/files/styles/news_article_featured_l/public/2020-03/broken%20Tesla%20battery.jpg > >>>>> > >>>>> > >>>>>+ > >>>>>https://www.latimes.com/business/story/2020-03-03/southern-california-ev-jobs > >>>>>The electric-vehicle industry is thriving in Southern California, report > >>>>>says > >>>>>2020-03-03 California is already a world leader in the embryonic > >>>>>electric > >>>>>vehicle industry but needs more government help to flourish, according > >>>>>to a > >>>>>new report from the Los ... > >>>>>https://ca-times.brightspotcdn.com/dims4/default/b3308bf/2147483647/strip/true/crop/2048x1152+0+0/resize/840x473!/quality/90/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2F0f%2F14%2F66195340cd40e6cdeb681fd96501%2Fla-1497909600-8tndt61ti7-snap-image > >>>>> > >>>>> > >>>>> > >>>>> > >>>>>For EVLN EV-newswire posts view: > >>>>>http://www.evdl.org/archive/ > >>>>>https://mail-archive.com/[email protected]/maillist.html > >>>>> > >>>>> > >>>>>{brucedp.neocities.org} > >>>>> > >>>>>-- Sent from: > >>>>>http://electric-vehicle-discussion-list.413529.n4.nabble.com/ > >>>>>_______________________________________________ > >>>>>UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > >>>>>ARCHIVE: http://www.evdl.org/archive/index.html > >>>>>INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > >>>>>Please discuss EV drag racing at NEDRA > >>>>>(http://groups.yahoo.com/group/NEDRA) > >>>>> > >>>> > >>>>_______________________________________________ > >>>>UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > >>>>ARCHIVE: http://www.evdl.org/archive/index.html > >>>>INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > >>>>Please discuss EV drag racing at NEDRA > >>>>(http://groups.yahoo.com/group/NEDRA) > >>>> > >>-------------- next part -------------- > >>An HTML attachment was scrubbed... > >>URL: > >><http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20200317/3f454e14/attachment.html> > >>_______________________________________________ > >>UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > >>ARCHIVE: http://www.evdl.org/archive/index.html > >>INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > >>Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) > >> > > > >_______________________________________________ > >UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > >ARCHIVE: http://www.evdl.org/archive/index.html > >INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > >Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) > > > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > ARCHIVE: http://www.evdl.org/archive/index.html > INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) > -- Paul Compton www.morini-mania.co.uk www.paulcompton.co.uk (YouTube channel) _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/index.html INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
