Natural Science Forum / Chemistry / Electrochemistry / August 2008

I just ran into a 9 volt battery that acts like Nicads in respect
to appearing to have shorted cells. Does this happen. First time I saw
this.
greg

I am working on a separator material for a water based electrolyzer.
The separator needs to prevent O2 and H2 gas from passing through it,
but still allow the ions (from MgSO4, H+ and OH-) to pass through it
(in the liquid).  I am mainly looking at using porous ceramics for

I'm a great fan of those little universal LiIon chargers that a multitude
of Chinese companies make. They're small, oval wall wart sized things that
have spring-loaded moveable charging contacts that will accommodate a
multitude of camera, phone, PDA, and other batteries. Great for ...