Correct me if I'm wrong but I thought NiMh had much higher internal
resistance than NiCad?
meaning they were unsuited to things like RC cars etc.
Has a suitablle replacement been found, all I know of is Li-Ion polymer
cells,
which still seem to be fairly new and not in widespread production.


----- Original Message -----
From: "Bob Axtell" <cr_axtell@YAHOO.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Wednesday, September 10, 2003 6:41 PM
Subject: Re: [EE]: Favorite Nicad Charger Chip?


> Well you boys can poke all the fun you want, but the facts are that NiCads
> are going the way of serial ports and high button shoes. Toxicity is a
> serious public problem, and EU, USA and Canada will all ban new sales
> within the next year.
>
> --Bob
>
>
> At 08:20 PM 9/9/2003, you wrote:
> > > and have a much narrower operating temperature range,
> > > and are very sensitive to long term overcharge, resulting
> > > in voltage depression, which is now being re-labeled as
> > > 'memory effect' /cosmic joke/
> >
> >don't forget to mention higher self discharge wrt NiCd :-)
> >
> >
> >         RM
> >
> >--
> >http://www.piclist.com hint: PICList Posts must start with ONE topic:
> >[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads
>
> --------------
> Bob Axtell
> PIC Hardware & Firmware Dev
> Tucson, AZ
> 1-520-219-2363
> "I lose some on each sale but make it up in volume."
>
> --
> http://www.piclist.com hint: The list server can filter out subtopics
> (like ads or off topics) for you. See http://www.piclist.com/#topics

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