TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The molar ratio of hydridic hydrogen and protic hydrogen is 1.005:1-20:1, preferably 2.5:1-8:1. The chemical hydride is chosen from boron hydride, ionic hydride salts, and aluminum hydride. The chemical hydride is boron hydride chosen from borohydride salt (M(BH4)n), triborohydride salt (M(B3H8)n), decahydrodecaborate salt (M2(B10H10)n), tridecahydrodecaborate salt (M(B10H13)n), dodecahydrododecaborate salt (M2(B12H12)n) and octadecahydroicosaborate salt (M2(B20H18)n). The chemical hydride is boron hydride chosen from decaborane (B10H14) and tetraborane (B4H10).M=alkali metal cation, alkaline earth metal cation, aluminum cation, zinc cation, or ammonium cation;andn=charge of cation.Preferred Compounds: The chemical hydride is an ammonia borane chosen from boron-containing compound of formula: NHxBHy and NHxRBHy, where x and y are 1-4, and R is methyl or ethyl group, NH3B3H7, and NH(CH3)2BH3. The chemical hydride is an ionic hydride chosen from hydride of alkali metal, alkaline earth metal, and zinc metal. The ionic hydride is of formula: MHn, where M is cation chosen from alkali metal cation, alkaline earth metal cation, and zinc(II) and n is charge of cation. The chemical hydride is aluminum hydride chosen from alane and aluminum hydride salts. Preferred Components: The aluminum hydride salt is of formula: M(AlH4)n, where M is alkali metal cation, alkaline earth metal cation, aluminum cation, zinc cation, or ammonium cation. The proton source is chosen from hydroxide salt of alkali and alkaline earth metals, and hydroxide compounds of group XIII elements. The proton source is aluminum hydroxide or boric acid. Preferred Salts: The proton source is chosen from alkali metal dihydrogen phosphate salt, alkali metal dihydrogen citrate salt, sulfate salts of alkali and alkaline earth metals, phosphate salts of alkali and alkaline earth metals, and alkali metal-containing compound of formula: My(OpX(OH)q)n.M=metal or NH4;q,p=0-3;y=valence of anion;n=valence of M;andX=S, P, or Se.Preferred Source: The proton source is chosen from alcohol, polymeric alcohol, silicates, silica sulfuric acid, acid chloride compound, hydrogen sulfide, and amine. The solid fuel composition further contains aluminum, magnesium, silicon, zinc, or lithium. The solid fuel composition contains aluminum hydride, hydroxide compound chosen from hydroxide salts of alkali and alkaline earth metals, and hydroxide compounds of group XIII element, and protic hydrogen. The molar ratio of lithium-aluminum hydride and aluminum hydroxide is 1.5-6 moles. The aluminum hydride is lithium-aluminum hydride (LiAlH4), sodium-aluminum hydride (NaAlH4). The borohydride salt is chosen from sodiumborohydride (NaBH4), lithiumborohydride (LiBH4 or LiB3H8), and sodiumborohydride (NaB3H8). The ionic hydride is chosen from lithium hydride, sodium hydride, zinc hydride, and magnesium hydride.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Compound: A fuel cartridge containing hydrogen storage composition is disposed within a fuel compartment in doses, where each dose is in contact with an initiation element. The doses are separated by using a spacer. CERAMICS AND GLASS: The spacer contains a material chosen from glass, ceramics, cellulose, minerals, xerogel and aerogel. A porous wall comprises a material chosen from glasses, ceramics, plastics, polymers, aerogels, and xerogels. The fuel cartridge contains an initiation element chosen from resistance heater, spark igniter, nickel-chromium resistance wire, thermistor and heat exchanger, preferably wire or plate. A thermal initiation is used for controlling generation of hydrogen gas. The thermal initiation contains ammonia borane.