An Sb—Te-based alloy sintered compact sputtering target having Sb and Te as main components and which contains 0.1 to 30 at % of carbon or boron and comprises a uniform mixed structure of Sb—Te-based alloy particles and fine carbon (C) or boron (B) particles is provided. An average grain size of the Sb—Te-based alloy particles is 3 μm or less and a standard deviation thereof is less than 1.00. An average grain size of the C or B particles is 0.5 μm or less and a standard deviation thereof is less than 0.20. When the average grain size of the Sb—Te-based alloy particles is X and the average grain size of the carbon or boron particles is Y, Y/X is within a range of 0.1 to 0.5. This provides an improved Sb—Te-based alloy sputtering target that inhibits generation of cracks in the sintered target and prevents generation of arcing during sputtering.

The present invention relates to a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries. The a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries includes a compound with an argyrodite-type crystal structure represented by the following Formula 1:
Li.sub.aPS.sub.bN.sub.cX.sub.d  [Formula 1] wherein 6≤a≤7, 3<b<6, 0<c≤1, 0<d≤2, and each X is the same or different halogen atom selected from the group consisting of chlorine (Cl), bromine (Br), and iodine (I).

The present invention relates to a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries. The a nitrogen-doped sulfide-based solid electrolyte for all-solid batteries includes a compound with an argyrodite-type crystal structure represented by the following Formula 1:
Li.sub.aPS.sub.bN.sub.cX.sub.d  [Formula 1] wherein 6≤a≤7, 3<b<6, 0<c≤1, 0<d≤2, and each X is the same or different halogen atom selected from the group consisting of chlorine (Cl), bromine (Br), and iodine (I).

A void filler material includes a ceramic rod and a fibrous overwrap. The void filler material may be used in a ceramic matrix composite. The method of making the ceramic matrix composite includes inserting the void filler material in voids of a preform and depositing a ceramic matrix on the preform and the void filler material using chemical vapor infiltration.

The present invention provides an LGPS-based solid electrolyte production method characterized by having a step in which a mixture of Li.sub.3PS.sub.4 crystals having a peak at 42010 cm.sup.1 in a Raman measurement and Li.sub.4MS.sub.4 crystals (M being selected from the group consisting of Ge, Si, and Sn) is heat treated at 300-700 C. In addition, the present invention can provide an LGPS-based solid electrolyte production method characterized by having: a step in which Li.sub.3PS.sub.4 crystals having a peak at 42010 cm.sup.1 in a Raman measurement, Li.sub.2S crystals, and sulfide crystals indicated by MS.sub.2 (M being selected from the group consisting of Ge, Si, and Sn) are mixed while still having crystals present and a precursor is synthesized; and a step in which the precursor is heat treated at 300-700 C.

The present invention provides an LGPS-based solid electrolyte production method characterized by having a step in which a mixture of Li.sub.3PS.sub.4 crystals having a peak at 42010 cm.sup.1 in a Raman measurement and Li.sub.4MS.sub.4 crystals (M being selected from the group consisting of Ge, Si, and Sn) is heat treated at 300-700 C. In addition, the present invention can provide an LGPS-based solid electrolyte production method characterized by having: a step in which Li.sub.3PS.sub.4 crystals having a peak at 42010 cm.sup.1 in a Raman measurement, Li.sub.2S crystals, and sulfide crystals indicated by MS.sub.2 (M being selected from the group consisting of Ge, Si, and Sn) are mixed while still having crystals present and a precursor is synthesized; and a step in which the precursor is heat treated at 300-700 C.

A sulfide-based solid electrolyte contains a nickel (Ni) element and a halogen element. For example, a sulfide-based solid electrolyte can include, with respect to 100 parts by mole of a mixture of lithium sulfide (Li.sub.2S) and diphosphorus pentasulfide (P.sub.2S.sub.5), 5 parts by mole to 20 parts by mole of nickel sulfide (Ni.sub.3S.sub.2), and 5 parts by mole to 40 parts by mole of lithium halide.

A sulfide-based solid electrolyte contains a nickel (Ni) element and a halogen element. For example, a sulfide-based solid electrolyte can include, with respect to 100 parts by mole of a mixture of lithium sulfide (Li.sub.2S) and diphosphorus pentasulfide (P.sub.2S.sub.5), 5 parts by mole to 20 parts by mole of nickel sulfide (Ni.sub.3S.sub.2), and 5 parts by mole to 40 parts by mole of lithium halide.

The invention relates to a fire-resistant ceramic product, a batch for manufacturing a product of said type, and a process for manufacturing a product of said type.

A novel sulfide solid electrolyte containing Li, P, S, and a halogen, which can be used as a solid electrolyte for a lithium secondary battery or the like, and is able to suppress the generation of a hydrogen sulfide gas even when exposed to moisture in the atmosphere. The sulfide solid electrolyte comprises a crystal phase or a compound having an argyrodite-type structure and containing Li, P, S, and a halogen; and a compound composed of Li, Cl, and Br and having a peak at each position of 2=29.10.5 and 33.70.5 in an X-ray diffraction pattern.