TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Parameters: Cathode active material has 3-10 m2/g specific surface area. Cathode active material comprises secondary particles having 2-5 mu m average diameter and primary particles having 50-500 nm average diameter. Preferred Components: Cathode active material comprises mixture of rhombohedral material and monoclinic material. Lithium source is lithium carbonate (Li2CO3), lithium hydroxide (LiOH), lithium nitrate (LiNO3), and/or lithium ethanoate (LiCH3COO). Fluorine source is lithium fluoride (LiF), ammonium fluoride (NH4F), sodium fluoride (NaF), potassium fluoride (KF), cesium fluoride (CsF), rubidium fluoride (RbF), titanium fluoride (TiF), silver fluoride (AgF), silver difluoride (AgF2), barium difluoride (BaF2), calcium difluoride (CaF2), copper difluoride (CuF2), cadmium difluoride (CdF2), iron difluoride (FeF2), mercuric difluoride (HgF2), mercurous fluoride (Hg2F2), manganese difluoride (MnF2), magnesium difluoride (MgF2), nickel difluoride (NiF2), lead difluoride (PbF2), tin difluoride (SnF2), strontium difluoride (SrF2), xenon difluoride (XeF2), zinc difluoride (ZnF2), aluminum trifluoride (AlF3), boron trifluoride (BF3), bismuth trifluoride (BiF3), cerium trifluoride (CeF3), chromium trifluoride (CrF3), dysprosium trifluoride (DyF3), europium trifluoride (EuF3), gallium trifluoride (GaF3), gadolinium trifluoride (GdF3), iron trifluoride (FeF3), holmium trifluoride (HoF3), indium trifluoride (InF3), lanthanum trifluoride (LaF3), lutetium trifluoride (LuF3), manganese trifluoride (MnF3), neodymium trifluoride (NdF3), vanadium oxytrifluoride (VOF3), praseodymium trifluoride (PrF3), antimony trifluoride (SbF3), scandium trifluoride (ScF3), samarium trifluoride (SmF3), terbium trifluoride (TbF3), titanium trifluoride (TiF3), thulium trifluoride (TmF3), yttrium trifluoride (YF3), ytterbium trifluoride (YbF3), thallium trifluoride (TlF3), cerium tetrafluoride (CeF4), germanium tetrafluoride (GeF4), hafnium tetrafluoride (HfF4), silicon tetrafluoride (SiF4), tin tetrafluoride (SnF4), titanium tetrafluoride (TiF4), vanadium tetrafluoride (VF4), zirconium tetrafluoride (ZrF4), niobium pentafluoride (NbF5), antimony pentafluoride (SbF5), tantalum pentafluoride (TaF5), bismuth pentafluoride (BiF5), molybdenum hexafluoride (MoF6), rhenium hexafluoride (ReF6), sulfur hexafluoride (SF6), and/or tungsten hexafluoride (WF6).