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Electronics & Test

Custom Chemistry Could Bode Well for Start-Stop Batteries

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Charles Murray
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Re: Maybe multiple solutions are needed?
Charles Murray   6/6/2013 7:41:46 PM
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Here's another alternative -- a custom battery formulation for hybrids.

http://www.designnews.com/author.asp?section_id=1366&doc_id=250256

Charles Murray
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Re: Traffic!
Charles Murray   8/28/2013 4:29:09 PM
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I'm sorry I didn't see your comment earlier, Ratsky. You raise an excellent point about decelerating to a crawl without stopping. There's been a lot of discussion about this and it's not clear how the auto industry will handle it. The most basic problem is synchronizing the starter motor to the powertrain's spinning ring gear during deceleration. Some suppliers say they can do it reliably now, but I don't expect to see this feature reach wide application for a while.

Ratsky
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Re: Traffic!
Ratsky   8/28/2013 9:13:56 PM
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That's another advantage of the "motor-generator" with regenerative braking approach.  It's ALWAYS turning and doesn't need the solenoid/cog/etc. stuff.

Gorski
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Platinum
Start-Stop batteries
Gorski   3/27/2014 9:34:26 PM
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I think start-stop is another way to improve gas mileage, especially at rail crossings. What I don't understand is why are we reinventing the wheel? Golf carts have been start-stopping for years. I don't hear anybody picking up on their technology. It works, use it.

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