#Mitsui Mining & Smelting Co., Ltd.

COMPOSITE MATERIAL, AND METHOD FOR MANUFACTURING SAME

A compound A containing Li, S, and M elements (M is phosphorus or the like), and containing a crystal phase with an argyrodite-type crystal structure is prepared, and the compound A and a conductive m…

DRIVE·Mar 27·1 min read

H01M4/5815 Mitsui Mining & Smelting Co., Ltd.

ACTIVE MATERIAL AND PROCESS FOR PRODUCING THE SAME

An active material includes a core portion, and a coating portion arranged on a surface of the core portion. The core portion contains elemental lithium (Li), elemental manganese (Mn), and elemental o…

DRIVE·Aug 8·1 min read

H01M4/366 Mitsui Mining & Smelting Co., Ltd.

MULTILAYER BODY

A layered body includes: a substrate; and an oxide portion positioned on the substrate. An oxide that constitutes the oxide portion contains at least two or more rare-earth elements: silicon; and oxyg…

DRIVE·Jul 11·1 min read

C30B29/22 Mitsui Mining & Smelting Co., Ltd.

ELECTRODE CATALYST LAYER FOR FUEL CELL, AND SOLID POLYMER-TYPE FUEL CELL COMPRISING SAID ELECTRODE CATALYST LAYER

An electrode catalyst layer for a fuel cell includes a catalyst/support composite including a support and a catalyst supported thereon. The support contains a titanium oxide. The surface of the cataly…

DRIVE·Feb 16·1 min read

H01M4/925 Mitsui Mining & Smelting Co., Ltd.

SOLID ELECTROLYTE, AND ELECTRODE MIXTURE, SOLID ELECTROLYTE LAYER AND SOLID-STATE BATTERY, EACH USING SAME

A solid electrolyte contains a compound that has a crystal phase having an argyrodite-type crystal structure and that is represented by LiPSX, where X is at least one elemental halogen, a represents a…

DRIVE·Dec 29·1 min read

H01M10/0562 Mitsui Mining & Smelting Co., Ltd.

Active Material and Process for Producing the Same

DRIVE·Dec 15·1 min read

H01M4/366 Mitsui Mining & Smelting Co., Ltd.

SOLID ELECTROLYTE, AND ELECTRODE MIXTURE, SOLID ELECTROLYTE LAYER AND SOLID-STATE BATTERY, EACH USING SAME

A solid electrolyte: (compound A) a compound that has a crystal phase having an argyrodite-type crystal structure and that is represented by LiPSX, where X is at least one elemental halogen, a represe…

DRIVE·Nov 24·1 min read

H01M10/0562 Mitsui Mining & Smelting Co., Ltd.

SULFIDE SOLID ELECTROLYTE

A sulfide solid electrolyte that can suppress the generation of hydrogen sulfide gas while maintaining the lithium ion conductivity; and an electrode composite material, a slurry and a battery, in eac…

DRIVE·Nov 10·1 min read

H01M10/0562 Mitsui Mining & Smelting Co., Ltd.

SOLID ELECTROLYTE, AND ELECTRODE MIXTURE, SOLID ELECTROLYTE LAYER AND SOLID-STATE BATTERY, EACH USING SAME

A solid electrolyte includes: (compound A) a compound that has a crystal phase having an argyrodite-type crystal structure and that is represented by LiPSX, where X is at least one elemental halogen, …

DRIVE·Oct 27·1 min read

H01M10/0562 Mitsui Mining & Smelting Co., Ltd.

SULFIDE SOLID ELECTROLYTE AND METHOD OF PRODUCING THE SAME

Provided are a sulfide solid electrolyte having a small particle size and a low specific surface area; an electrode composite material, a slurry and a battery in each of which the sulfide solid electr…

DRIVE·Aug 18·1 min read

H01M10/0562 Mitsui Mining & Smelting Co., Ltd.

METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE

A method for producing a sulfide solid electrolyte includes a firing step of firing a raw material containing LiS in a hydrogen sulfide-containing atmosphere at a temperature of 300° C. or higher, LiS…

DRIVE·Mar 31·1 min read

C01B25/14 Mitsui Mining & Smelting Co., Ltd.

Sulfide-Based Solid Electrolyte Particles

A sulfide-based solid electrolyte particle having a crystal phase of a cubic argyrodite-type crystal structure composed of Li, P, S and a halogen (Ha), wherein good contact between the sulfide-based s…

DRIVE·Feb 24·1 min read

H01M10/0562 Mitsui Mining & Smelting Co., Ltd.

Sulfur-Containing Compound, Solid Electrolyte, and Battery

A sulfur-containing compound containing a lithium (Li) element, a phosphorus (P) element, a sulfur (S) element, and a halogen (X) element, which can be suitably used as a solid electrolyte, and is abl…

DRIVE·Jan 6·1 min read

H01M10/0562 Mitsui Mining & Smelting Co., Ltd.

Positive Electrode Active Substance for All Solid-State Lithium Secondary Battery

A positive electrode active substance for an all solid-state lithium secondary battery, wherein the surface of the present core particles composed of a lithium metal composite oxide having a layered s…

DRIVE·May 27·1 min read

H01M4/525 Mitsui Mining & Smelting Co., Ltd.

Spinel Type Lithium Nickel Manganese-Containing Composite Oxide

Provided is a 5 V class spinel type lithium nickel manganese-containing composite oxide having an operating potential of 4.5 V or more with respect to a metal Li reference potential, wherein the compo…

DRIVE·May 13·1 min read

H01M4/525 Mitsui Mining & Smelting Co., Ltd.

Positive Electrode Active Material for All-Solid-State Lithium Secondary Batteries

A positive electrode active material for an all-solid-state lithium secondary battery, which is capable of improving the rate characteristics, the cycle characteristics, and the initial charge and dis…

DRIVE·May 6·1 min read

H01M4/366 Mitsui Mining & Smelting Co., Ltd.

SOLID ELECTROLYTE ASSEMBLY HAVING INTERMEDIATE LAYER

A solid electrolyte assembly has an anode, a cathode, and a solid electrolyte layer located therebetween. An intermediate layer is provided between the anode or the cathode and the solid electrolyte l…

DRIVE·Feb 4·1 min read

H01M8/1213 Mitsui Mining & Smelting Co., Ltd.

Sulfide Solid Electrolyte and Battery

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 …

DRIVE·Jan 28·1 min read

H01M10/0562 Mitsui Mining & Smelting Co., Ltd.

Sulfide-Type Compound Particles, Solid Electrolyte, and Lithium Secondary Battery

Sulfide-type compound particles microparticulated, having an argyrodite-type crystal structure, and including lithium (Li), phosphorus (P), sulfur (S), and a halogen (Ha). As sulfide-type compound par…

DRIVE·Jan 21·1 min read

H01M10/0562 Mitsui Mining & Smelting Co., Ltd.

Sulfide-Based Solid Electrolyte Particles

A sulfide-based solid electrolyte particle having a crystal phase of a cubic argyrodite-type crystal structure composed of Li, P, S and a halogen (Ha. The proposed sulfide-based solid electrolyte part…

DRIVE·Jan 14·1 min read

H01M10/0562 Mitsui Mining & Smelting Co., Ltd.

5V-Class Spinel-Type Lithium-Manganese-Containing Composite Oxide

Provided is a new 5 V-class spinel-type lithium-manganese-containing composite oxide capable of achieving both the expansion of a high potential capacity region and the suppression of gas generation. …

DRIVE·Oct 26·1 min read

H01M4/505 Mitsui Mining & Smelting Co., Ltd.