On 22 Jun 2013 at 11:26, Jukka Järvinen wrote: > With the quickly swappable battery pack a car owner can choose which kind of > battery to rent/lease/buy ... > > We will see different chemistries and battery technologies that can be > quickly deployed and tried out.
Maybe I'm an idealist on this point, but I can see similar benefit from leased batteries, even if they're not swappable. If - and this is the key! - you as the EV owner are paying for the use of a battery that provides X km or miles of range, or even paying by the mile, then the chemistry and design that yield that result are essentially irrelevant to you. But they're not irrelevant to the lessor! It's in their best interest to use the technology that provides the lowest cost per unit of range. Charging efficiency makes a difference too; the less energy they use to charge the battery they rent to you, the more money they make on your use of it. They have a powerful incentive to push the technology forward. Also, as with swappable batteries, competitive advantage goes to the vendor with a low failure rate. Of course this assumes that there IS competition. It's very different from the model used in rechargeable consumer goods. There, since it's the user who bears the battery replacement cost, the manufacturer is often tempted to use a cheap battery and a dumb charger to get lower initial cost, at the expense of battery life. David Roden - Akron, Ohio, USA EVDL Administrator = = = = = = = = = = = = = = = = = = = = = = = = = = = = = EVDL Information: http://www.evdl.org/help/ = = = = = = = = = = = = = = = = = = = = = = = = = = = = = Note: mail sent to "evpost" and "etpost" addresses will not reach me. To send a private message, please obtain my email address from the webpage http://www.evdl.org/help/ . = = = = = = = = = = = = = = = = = = = = = = = = = = = = = _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
