I have seen the adverts on TV for these things...
http://data.energizer.com/PDFs/l91.pdf
these are non-rechargable so that gets around the miss-use when charging problem, but what stops them deep draining past their safe state? they are out there for jonny kid to go and buy and put in his Wii-mote and use till they don't work anymore, will they go volotile use like this?
still, its interesting to see Lithum getting into 'regular' cell sizes like AA