Mitsubishi Gas Chemical Company, Inc.

Tohoku Techno Arch Co., Ltd.

National Institute of Advanced Industrial Science and Technology

Masahiro Shimada

Aki Katori

Tomohiro Ito

Genki Nogami

Kotaro Kawakami

Takashi Mukai

Daisuke Ohno

Naoto Yamashita

Masahiro Yanagida

Shinichi Orimo

Kunitoshi Mimura

Atsushi Unemoto

Keita Noguchi

Rigoberto C Advincula

Sangryun Kim

Shin-ichi Orimo

Yuki Takase

Naoki Toyama

A composition for an oil or gas well formation, containing a viscoelastic surfactant; and a modified nanomaterial and a producing method of the composition, and a forming method of the oil or gas well. The modified nanomaterial optionally contains a nanocellulose. The modified nanomaterial optionally has, on its surface, a sulfate group, a sulfite group, a carboxy group, an ethylene oxide chain, an amino group, an ester group, a silane group, a tertiary ammonium group or a mixture thereof.

Acid matrix applications: well stimulation and completion fluids using viscoelastic surfactants and modified additives

Provided is a production method for an all-solid-state battery having a solid electrolyte layer between a positive electrode layer and a negative electrode layer, the production method including: coating or impregnating the positive electrode layer and/or the negative electrode layer with a solid electrolyte solution in which a boron hydride compound serving as the solid electrolyte has been dissolved in a solvent; and removing the solvent from the coated or impregnated solid electrolyte solution and causing the solid electrolyte to precipitate on the positive electrode layer and/or the negative electrode layer.

Production method for all-solid-state battery

The present application provides a method for producing an ion conductor containing Li2B12H12 and LiBH4, which includes obtaining a mixture by mixing LiBH4 and B10H14 at a molar ratio LiBH4/B10H14 of from 2.1 to 4.3; and subjecting the mixture to a heat treatment.

Ion conductor containing Li2B12H12 and LiBH4, method for producing same, and solid electrolyte for all-solid-state batteries, which contains said ion conductor

A method for producing an LGPS-type solid electrolyte can be provided, the method includes preparing a homogeneous solution by mixing and reacting LiS and PSin an organic solution such that the molar ratio of LiS/PSis 1.0-1.85; forming a precipitate by adding, to the homogeneous solution, at least one MS(M is selected from the group consisting of Ge, Si, and Sn) and LiS and then mixing; obtaining a precursor by removing the organic solution from the precipitate; and obtaining the LGPS-type solid electrolyte by heating the precursor at 200-700&#xb0; C.

Method for producing LGPS-based solid electrolyte

The present invention provides an LGPS-based solid electrolyte production method characterized by having a step in which a mixture of LiPScrystals having a peak at 420&#xb1;10 cmin a Raman measurement and LiMScrystals (M being selected from the group consisting of Ge, Si, and Sn) is heat treated at 300-700&#xb0; C. In addition, the present invention can provide an LGPS-based solid electrolyte production method characterized by having: a step in which LiPScrystals having a peak at 420&#xb1;10 cmin a Raman measurement, LiS crystals, and sulfide crystals indicated by MS(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&#xb0; C.

Production method for LGPS-based solid electrolyte

The present invention provides a manufacturing method suitable for manufacturing, in large amounts, an ionic conductor that is superior in terms of various properties such as ion conductivity. According to one embodiment of the present invention, provided is a method for manufacturing an ionic conductor, said method including: mixing, using a solvent, LiBHand a lithium halide represented by formula (1), LiX (1) (in formula (1), X represents one selected from the group consisting of halogen atoms); and removing the solvent at 60-280&#xb0; C. Ionic conductors obtained with this manufacturing method can be used as, for example, solid electrolytes for all-solid-state batteries.

Method for manufacturing ionic conductor

Growing community of inventors

Tokyo, Japan

Masahiro Shimada