Note I typo'd, that should be 'some Metal Hydride at the Cathode' and 'a number of Metal Hydrides may be used'. Oops. Metal Hydroxides are something entirely different from Metal Hydrides.
-Adam On Mon, Dec 22, 2008 at 2:07 PM, Adam Maas <[email protected]> wrote: > General chemistry is the same, but there's a LOT of variation possible > within that general chemistry. All NiMH indicates is that the > chemistry uses Nickel Oxyhydride as the Anode and some Metal Hydroxide > at the cathode instead of Cadmium (NiCd's use Cadmium). Quite a number > of Metal Hydroxides may be used, as well as differing salt bridges, > differing concentrations, etc. Specific chemistry varies between > manufacturers and capacities. > > Note the low-self-dischage NiMH's use a different seperator between > the anode and cathode chemistry which is much more effective at > preventing intermixing. > > -Adam > > On Mon, Dec 22, 2008 at 1:57 PM, JC OConnell <[email protected]> wrote: >> The chemistry is the same on all of them, thats why they are all called >> nimh. >> jco >> >> JC O'Connell >> [email protected] >> >> >> >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On Behalf Of >> Bruce Walker >> Sent: Monday, December 22, 2008 1:10 PM >> To: Pentax-Discuss Mail List >> Subject: Re: rechargeable batteries - any wisdom? >> >> >> JC OConnell wrote: >>> nimh technology is nimh technolgy, >> >> Shrug; optical technology is optical technology too ... :-) >> >> In this case improved chemistry and design makes for a better NiMH cell. >> >> >>> I havent >>> read anything anwhere that there are different/special characteristics >> >>> for any of these cells... >> >> http://www.eneloop.info/fileadmin/EDITORS/ENELOOP/ARTICLES/Teraoka_Artic >> le_EN.pdf >> >> http://snipurl.com/901t1 >> >> [it's a PDF file.] >> >> -bmw >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. >> >> >> -- >> PDML Pentax-Discuss Mail List >> [email protected] >> http://pdml.net/mailman/listinfo/pdml_pdml.net >> to UNSUBSCRIBE from the PDML, please visit the link directly above and >> follow the directions. >> > > > > -- > M. Adam Maas > http://www.mawz.ca > Explorations of the City Around Us. > -- M. Adam Maas http://www.mawz.ca Explorations of the City Around Us. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
