Idemitsu Kosan Company, Limited

Ricoh Company, Ltd.

Hiroaki Yamada

Yusuke Iseki

Minoru Senga

Masayuki Shibata

Nobuhito Nakaya

Koji Kato

Takeshi Makino

Takashi Hayakawa

Shogo Shimada

Tomoyuki Okuyama

Atsushi Sato

Shinji Tanaka

Masao Aida

Hironari Kimpara

Shota Totsuka

Fumio Yamakawa

A metal element-containing sulfide solid electrolyte may suppress HS generation. Such a metal element-containing sulfide solid electrolyte may include a lithium element, a sulfur element, a phosphorus element, a halogen element, and at least one metal element selected from metal elements of Groups 3 to 12 and Period 4 or higher of the Periodic Table, in which the molar ratio of the lithium element to the phosphorus element (Li/P) is 2.4 or more and 12 or less, and the molar ratio of the sulfur element to the phosphorus element (S/P) is 3.7 or more and 12 or less.

Metal element-containing sulfide-type solid electrolyte and method for producing same

A solid electrolyte includes a lithium element, a sulfur element, a phosphorus element, and a halogen element. The solid electrolyte does not include PSstructure, and the solid electrolyte has diffraction peaks at around 2θ=20.2° and 23.6° in the X-ray diffraction pattern using a CuKα ray.

Solid electrolyte containing a thio-lisicon region II crystal structure

A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 μm or more and a specific surface area measured by the BET method of 20 m/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.

Sulfide solid electrolyte and treatment method therefor

[Problem] To provide a method for efficiently producing a sulfide solid electrolyte using a liquid-phase method. [Solution to Problem] A method for producing a sulfide solid electrolyte not using a pulverizer in reacting raw materials, wherein a raw material that contains lithium sulfide, a phosphorus compound and a halogen compound, and a complexing agent are stirred in a reactor while a fluid that contains the contents in the reactor is discharged outside the reactor through a discharging port arranged in the reactor and the fluid that contains the discharged contents is returned back to the reactor through a returning port arranged in the reactor to thereby make the contents-containing fluid circulate therethrough.

Method for producing sulfide solid electrolyte

A metal element-containing sulfide solid electrolyte may have an effect of suppressing hydrogen sulfide generation and may express excellent working environments. Such a metal element-containing sulfide solid electrolyte may contain a lithium element, a sulfur element, a phosphorus element, a halogen element, and at least one metal element selected from metal elements of Groups 2 to 12 and Period 4 or higher of the Periodic Table, in which the molar ratio of the lithium element to the phosphorus element (Li/P) is 2.4 or more and 12 or less, and the molar ratio of the sulfur element to the phosphorus element (S/P) is 3.7 or more and 12 or less.

Disclosed is a method for producing a sulfide-based solid electrolyte containing an alkali metal, a sulfur element, a phosphorus element and a halogen element, including performing a reaction of an alkali metal sulfide and a substance containing at least one element of a sulfur element, a phosphorus element and a halogen element in an organic solvent having an electron-withdrawing group. The method provides a sulfide-based solid electrolyte having a high ion conductivity.

Method for producing solid electrolyte

A sulfide solid electrolyte, which is able to adjust the morphology unavailable traditionally, or is readily adjusted so as to have a desired morphology, the sulfide solid electrolyte having a volume-based average particle diameter measured by laser diffraction particle size distribution measurement of 3 &#x3bc;m or more and a specific surface area measured by the BET method of 20 m2/g or more; and a method of treating a sulfide solid electrolyte including the sulfide solid electrolyte being subjected to at least one mechanical treatment selected from disintegration and granulation.

A method of production of a solid electrolyte, which comprises:

A method of producing a solid electrolyte having a high ionic conductivity, which adopts a liquid-phase method and suppresses the generation of hydrogen sulfide, wherein a raw material inclusion containing a lithium element, a sulfur element, a phosphorus element, and a halogen element is mixed with a complexing agent containing a compound having at least two tertiary amino groups; and an electrolyte precursor constituted of a lithium element, a sulfur element, a phosphorus element, a halogen element, and a complexing agent containing a compound having at least two tertiary amino groups.

Method for producing solid electrolyte, and electrolyte precursor

Provided is a solid electrolyte having a high ion conductivity and excellent in battery performance not going through a step of removing water such as a drying step, while simplifying the production process and reducing the production cost. Specifically, provided is a method for producing a sulfide-based solid electrolyte, including causing a reaction of an alkali metal sulfide and a specific substance in a solvent.

Solid electrolyte and method for producing solid electrolyte

A composition comprising an acrylamide compound (A1) having an ester structure and a molecular weight of from 150 to 200 and an acylphosphine oxide polymerization initiator (B1) is provided.

Composition, cured product, image forming apparatus, and image forming method

An active-energy-ray-curable composition including: polymerizable monomer (A1) containing one (meth)acryloyl group; acylphosphine oxide-based polymerization initiator (B1); and acridone-based polymerization initiator (B2), an amount of the polymerizable monomer (A1) containing one (meth)acryloyl group being from 50.0% by mass through 99.8% by mass.

Active-energy-ray-curable composition, cured material, composition stored container, two-dimensional or three-dimensional image forming apparatus, and two-dimensional or three-dimensional image forming method

Provided is an ink discharging apparatus configured to discharge an active-energy-ray-curable ink from an ink discharging head of which members to contact the ink are joined using an epoxy adhesive, wherein the ink contains at least any one selected from the group consisting of an acrylamide compound and an N-vinyl compound, and wherein an elastic modulus decreasing rate represented by a formula (1) below is 50 percent or less,Elastic modulus decreasing rate (%)={()/}&#xd7;100&#x2003;&#x2003; formula (1)where Erepresents an elastic modulus (GPa) of a cured product obtained by curing the epoxy adhesive at 90 degrees C. for 4 hours, and Erepresents an elastic modulus (GPa) of an immersed product obtained by immersing the cured product in the ink at 60 degrees C. for 4 weeks.

Ink discharging apparatus and ink discharging method

An active energy ray curable composition is provided. The active energy ray curable composition includes a polymerizable monomer (A) and a polymerization initiator (B). The polymerization initiator (B) includes a skin-sensitizing polymerization initiator (B) in an amount less than 1.0% by mass but not less than 0.1% by mass of the active energy ray curable composition, and 99.0% by mass or more of the active energy ray curable composition consists of non-skin-sensitizing constituents.

Active energy ray curable composition, cured product, composition storage container, two-dimensional or three-dimensional image forming apparatus, and two-dimensional or three-dimensional image forming method

Growing community of inventors

Chiba, Japan

Hiroaki Yamada