TECHNOLOGY FOCUS - ELECTRONICS - Preferred Components: The framework accepts excess ions. The electrode further comprises a conductive additive and a binder. In the electrode: N(PO3)36- anion in (III) is formed by a trimer of three phosphite ion nitrogen (PO3N) tetrahedra sharing one N vertex and each pair of PO3N tetrahedra within the trimer share two corners with an magnesium ion 6 (MO6) octahedron; each corner of the MO6 octahedron is shared with a phosphate (PO4) tetrahedron allowing connections with two neighboring tetrahedra in three different triphosphate trimers of the tetrahedra; and a theoretical capacity of the compound is 233 mAh/g. The electrode has a starting oxidation state of +3 or +4. The anode is a carbon anode, which is a hard carbon anode.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The TX4 tetrahedra comprises a polyphosphate compound of formula (DD) including (PO3N), (PO4), (PO2N2), (PON3), (PN4), (SiO4), (VO4), (MOO4), (VO3N), (SO3N) or (SiO3N). The cubic ionic conductor compound is crystalline and has a space group of P2(1)3 or a space group, which represents a slight distortion away from P2(1)3 symmetry. The cubic ionic conductor compound comprises a sodium and titanium compound of formula (Na3Ti(PO3)3N). The cubic ionic conductor compound further comprises dopants comprising cations, anions, neutral atoms or small molecules having a radius of less than 2 Angstrom in a manner that preserves the framework. The dopant comprises: lithium, sodium, magnesium (all preferred), hydrogen, water, hydronium ion, hydroxide, ammonia, ammonium, nitrogen, oxygen, potassium, rubidium, cesium, beryllium, calcium, strontium, barium, yttrium, lanthanum, zirconium, hafnium, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutecium, thorium, protactinium, uranium, neptunium or plutonium and populates one or more A sites within voids of the framework; and aluminum, silicon, phosphorus, sulfur, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, gallium, germanium, zirconium, niobium, molybdenum, technetium, ruthenium, rhodium, palladium, silver, cadmium, indium, tin, antimony, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, or hydrargyrum. The dopant substitutes the M sites of the framework. (I) is the polyphosphate compound of formula (P3O9N) (EE) forming the nitrophosphate compound of formula (AxM(PO3)3N) (III) or (A3+xM(z-w)(PO3)3N) (XII) and a combination of AxM and (A3+xM(z-w)) yields a net charge of +6. The cation AM is: mobile under ambient temperature and equilibrium electrochemical potential, under an elevated temperature, under a non-equilibrium electrochemical potential or under combinations of these conditions; and a monopositive cation comprising hydrogen, lithium, sodium, potassium, silver, copper, ammonium, and/or hydronium ion. The nitrophosphate compound is partially or fully crystalline. The crystalline particles of nitrophosphate compounds have a cubic non-centrosymmetric structure with the space group of P2(1)3. The nitrophosphate compound has: a sodium and phosphite ion containing compound of formulae (Na3M(PO3)3N), (Na3-xM(PO3)3N), (Na2A1M(PO3)3N), (Na2-xA1M(PO3)3N), (Na3Mn(PO3)3N), (Na3Al(PO3)3N), (Na3Ga(PO3)3N), (Na3In(PO3)3N), (Na2Ti(PO3)3N), (Na1V(PO3)3N), (K3Al(PO3)3N), (K3Ga(PO3)3N), (K3In(PO3)3N), (K2Ti(PO3)3N) or (K1V(PO3)3N); a sodium and titanium containing compound of formula (Na3Ti(PO3)3N); a sodium and vanadium containing compound of formula (Na3V(PO3)3N); up to two or three free occupancy sites available for intercalation; and lithium containing compound of formula (Li3Ti(PO3)3N), (Li2-xFe2(PO3)3N), (Li3V(PO3)3N) and (Li3Ti(PO3)3N). The nitrophosphate compound is amorphous. The oxidation state of M is below its starting oxidation state. The urea has a mole fraction of 10-90% (preferably 33 mole%) of the starting mixture. The stoichiometric amounts are sodium:M:phosphorus molar ratio of 2:2:3. The stoichiometric amounts are a molar ratio of 3:1:2:1. Preferred Method: The method further comprises grinding or milling the mixture before either or both times the mixture is heated.x = less than or equal to 0-3 (preferably 0.5-3);A1, M = Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Al, Ga, In, Mg or Ca;z = starting oxidation state;w = less than or equal to 0 or 2; andy = 0. Preferred Definitions:    M = Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Zn, Cu, Al, Ga, In, Mg, or Ca;    T = phosphorus;    X = O or N;    n = 6;    A = ionic or neutral species, wholly or partially mobile cations (AM), combination of partially mobile and partially immobile cations (AMA1) or monopositive cation comprising H, Li, Na, K, Ag, Cu, NH4 or H3O; and    A1 = H, Li, Na, K, Ag, Cu, NH4, H3O, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Al, Ga, In, Mg, Ca or Sr.