Mitsubishi Gas Chemical Company, Inc.

Tohoku Techno Arch Co., Ltd.

National Institute of Advanced Industrial Science and Technology

Genki Nogami

Shinichi Orimo

Atsushi Unemoto

Mitsugu Taniguchi

Motoaki Matsuo

Keita Noguchi

Takashi Mukai

Naoto Yamashita

Yoshikazu Shima

Yutaka Kanbara

Tomoo Tsujimoto

Masaki Takemoto

Masahiro Yanagida

Yasushi Higuchi

Masahiro Shimada

Aki Katori

Sangryun Kim

Shin-ichi Orimo

Takako Uchiyama

Yuuichi Sugano

Shinyo Gayama

Hideo Ikarashi

Tomohiro Ito

Hideho Matsuda

Shinyou Shirai

Masaru Tazawa

Naoki Toyama

Shin-Ichi Orimo

The present invention is able to provide a method for producing an all-solid-state battery that has a solid electrolyte layer between a positive electrode layer and a negative electrode layer. This method for producing an all-solid-state battery is characterized by comprising: a step wherein a coating liquid is applied to at least one of the positive electrode layer and the negative electrode layer, said coating liquid containing a solid electrolyte solution, which is obtained by dissolving a solid electrolyte in a solvent, and fine particles which are insoluble in the solid electrolyte solution; and a step wherein the solvent is removed from the applied coating liquid, thereby having the solid electrolyte deposit on at least one of the positive electrode layer and the negative electrode layer.

Method for producing all-solid-state battery

A method for manufacturing an ion conductor including LiCBHand LiCBHis provided. The method includes mixing LiCBHand LiCBHin a molar ratio of LiCBH/LiCBH=1.1 to 20. An ion conductor including lithium (Li), carbon (C), boron (B) and hydrogen (H) is also provided. The ion conductor has X-ray diffraction peaks at at least 2θ=14.9±0.3 deg, 16.4±0.3 deg and 17.1±0.5 deg in X ray diffraction measurement at 25° C., and has an intensity ratio (B/A) of 1.0 to 20 as calculated from A=(X-ray diffraction intensity at 16.4±0.3 deg)−(X-ray diffraction intensity at 20 deg) and B=(X-ray diffraction intensity at 17.1±0.5 deg)−(X-ray diffraction intensity at 20 deg).

Ionic conductor containing high-temperature phase of LiCBH, method for manufacturing same, and solid electrolyte for all-solid-state battery containing said ion conductor

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

According to one embodiment of the present invention, provided is an ionic conductor comprising lithium (Li), borohydride (BH), phosphorus (P), and sulfur (S), wherein, in X-ray diffraction (CuK&#x3b1;: &#x3bb;=1.5405 &#x212b;), the ionic conductor has diffraction peaks, at least, at 2&#x3b8;=14.4&#xb1;1.0 deg, 15.0&#xb1;1.0 deg, 24.9&#xb1;1.0 deg, 29.2&#xb1;1.5 deg, 30.3&#xb1;1.5 deg, 51.1&#xb1;2.5 deg and 53.5&#xb1;2.5 deg.

Ionic conductor and method for producing the same

One embodiment provides a solid-state battery that has a positive-electrode layer; a negative-electrode layer; and a lithium-ion-conducting solid electrolyte layer disposed between the positive-electrode layer and the negative-electrode layer. The positive-electrode layer contains a positive-electrode active material and a solid electrolyte comprising a hydride of a complex. Said positive-electrode active material is sulfur-based, and the solid electrolyte layer contains a solid electrolyte comprising a hydride of a complex.

Solid-state battery and method for manufacturing electrode active material

One embodiment provides a solid-state battery that has a positive-electrode layer, a negative-electrode layer, and a lithium-ion-conducting solid electrolyte layer disposed between the positive-electrode layer and the negative-electrode layer. The positive-electrode layer and/or the solid electrolyte layer contains a sulfide solid electrolyte, the negative-electrode layer and/or the solid electrolyte layer contains a solid electrolyte comprising a hydride of a complex, and at least part of the sulfide solid electrolyte is in contact with at least part of the solid electrolyte comprising a hydride of a complex.

Solid-state battery

Provided is a process for producing &#x3b1;-hydroxycarboxylic esters from &#x3b1;-hydroxycarboxylic amides and aliphatic alcohols, wherein it is a production process which is inhibited in a production cost and enhanced in a conversion rate and a selectivity and which is industrially advantageous. To be specific, it is a production process for &#x3b1;-hydroxycarboxylic ester characterized by subjecting &#x3b1;-hydroxycarboxylic amide and aliphatic alcohol to a gas phase reaction in the presence of a zirconium dioxide catalyst. A catalyst lifetime is improved to a large extent by using a zirconium dioxide catalyst containing a specific element.

Method for producing &#x3b1;-hydroxycarboxylic acid ester

The present provides a high-efficiency amide compound production catalyst to be used in producing an amide compound through hydration of a nitrile compound and a production method using it. The amide compound production catalyst is for producing an amide compound through reaction of a nitrile compound and water, and comprises a manganese oxide catalyst containing bismuth and further containing yttrium or vanadium. The method for producing an amide compound comprises reacting a nitrile compound and water in a liquid phase in the presence of the amide compound production catalyst.

Amide compound production catalyst, and process for production of amide compound

A process for producing carnitinamide which is an intermediate for production of L-carnitine is provided, which can hydrate carnitine nitrile to form carnitinamide with high selectivity, whereby highly-purified carnitinamide excellent as a substrate for stereoselective hydrolysis by optical resolution or a microorganism is produced in high yield. The process comprises hydrating carnitine nitrile to form carnitinamide using a catalyst containing a manganese oxide, and thus carnitinamide substantially free from by-produced carnitine is produced in high yield, so that carnitinamide of extremely high purity can be obtained through simple and easy crystallization operation.

Process for producing carnitinamide

A quaternary ammonium hydroxycarboxylate is produced by quaternizing a tertiary amine with a hydroxycarboxylic ester represented by the following Formula 1:wherein Rto Rare as defined in the disclosure. By using only one tertiary amine having at least one substituent different from Rof the ester moiety of the hydroxycarboxylic ester and by controlling the reaction conditions, a mixture of quaternary ammonium hydroxycarboxylates having different quaternary ammonium ions is produced. By reacting an inorganic acid with the quaternary ammonium hydroxycarboxylate or its mixture, a quaternary ammonium salt of inorganic acid or its mixture is produced.

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Niigata, Japan

Genki Nogami