One of the better IP overviews I've seen of all the players in the Lithium Metal Phosphate battery space: http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=8&ved=0CGcQFjAH&url=http%3A%2F%2Fwww.fist.fr%2Fen%2Fip-overview%2F709.html&ei=vASEUfYJi6b2BMKTgagF&usg=AFQjCNESezA42WabpVxGbnRVLsudjROY5g&sig2=k7AMrigfOS01WqOaENYO7A&bvm=bv.45960087,d.eWU (link is to pdf download)