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Electronics & Test

Can EV Batteries Last 20 Years?

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shehan
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Re: Batteries that Last
shehan   4/13/2013 12:42:30 AM
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@apresher – I don't think the battery manufacturers would provide a service agreement to protect against catastrophe. It's not that they can't do that but simply they don't want to take the burden. I am using a Toyota Prius Hybrid but didn't get such service agreement.  

shehan
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Re: New chemistries
shehan   4/13/2013 2:18:20 AM
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@davetrowbridge – It sounds interesting, we a re all looking for ways to reduce the cost on these systems. As technology develops I'm sure there should be an affordable way to do the same thing in a different way.

shehan
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Re: New chemistries
shehan   4/13/2013 2:20:29 AM
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@Charles – It could be a miracle if it could be done, it would definitely reduce the price of a hybrid vehicle making it more affordable. Most of the users are afraid to by a hybrid due to the battery replacement cost.

shehan
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Re: Batteries that Last
shehan   4/13/2013 2:22:50 AM
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@Charles - I wonder why they decide the durability of the battery in miles, why not in years. Does cheap material again reduce the durability / life of the battery?

shehan
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Re: Can EV Batteries Last 20 Years?
shehan   4/13/2013 2:25:04 AM
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@Greg –yes as you said I wonder if these batteries will last that long. Is this just to make the sale or does the battery actually stay alive for this number of years?

shehan
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Re: Accelerated Testing
shehan   4/13/2013 2:29:10 AM
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 @Greg -  I didn't know that the operating temperature affects the battery life. If so have the battery manufacturers looked at taking necessary steps to maintain the required temperature?

sensor pro
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Re: Can EV Batteries Last 20 Years?
sensor pro   4/15/2013 9:51:42 AM
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I agree with you. I'm very skeptical on the longevity of he batery. I cange my Ion-Lithium phone batteries once per year, and I'm sure my pocket is not as hot as an engine.

vandamme
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Re: Can EV Batteries Last 20 Years?
vandamme   4/15/2013 9:52:14 AM
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In upstate NY we have plenty of cold.

J. Williams
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Re: Can EV Batteries Last 20 Years?
J. Williams   4/15/2013 10:43:10 AM
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Yeah, I'm with you too.  Well made cells, carefully packaged, handled with the utmost of care MAY last a good long time.  Our experiences with secondary cells in the 700 A-hr range are that the manufacturers turn out really good cells at the beginning when you are qualifying the cells.  Later as you get into a high-rate production, the quality of the cells "normalizes" and you start seeing more issues with the cells. 

If the care of the battery requires any prudent use and thought by the consumer, forget it.  The battery designers need to think in terms of dumb and dumber.

Cells produced by the hundreds of thousands should be consistent in their performance (good but not stellar), but I think the researcher presenting his findings may have been into the New Riders of the Purple Sage stuff. 

ChriSharek
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Finally the Truth
ChriSharek   4/15/2013 11:17:05 AM
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Charles, great article.  Thanks for this.  I've made sure to share it with folks on my website as well. 

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