http://www.lovellpatentedtechnology.com/monothermal/what_is_monothermal.html
magnesium has been on the menu lately ,here is an interesting piece of work.
patent here
http://www.pat2pdf.org/pat2pdf/foo.pl?number=5945630 (and also 5989721).
also being discussed here
http://www.energeticforum.com/renewable-energy/8210-how-hard-make-monothermal-battery.html?posted=1#post300655
respectfully
Chet K
There are some nice efforts underway over here
http://www.energeticforum.com/renewable-energy/8210-how-hard-make-monothermal-battery.html
I plan on reaching out to the Inventors' representatives in the next few days.
hopefully they can shed some light on where this tech has gone and where it can go?
respectfully
Chet K