Patent ID: 8647778
Filing Date: 2014-02-11
Classification: C01B,H01M,Y02E

Abstract:
1. A lithium-ion reversible electrode material, said material said material having a particle size distribution comprising micron size particles and submicron size particles, wherein said particles have an about 1.23 wt % pyrolytic carbon deposit on at least a part of the surface thereof, said micron size particles and submicron size particles having the nominal formula AB(XO 4 )H in which: A is lithium, which may be partially substituted with another alkali metal representing less than 20% at. of said A; B is a main redox metal at oxidation level of +2 selected from the group consisting of Fe, Mn, Ni and any mixture thereof, which may be partially substituted by one or more additional metal at oxidation level between +1 and +5 and representing less than 35% at. of said main +2 redox metal, including 0; XO H is a fluoride, hydroxide or chloride anion representing less that 35% at. of the XO