公开(公告)号：US20230155244A1

公开(公告)日：2023-05-18

申请号：US17995676

申请日：2021-04-07

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Futoshi UTSUNO ,  Qingxin JIA ,  Ichitaro WAKI ,  Hiroshi TOMITA

IPC: H01M50/434 ,  H01M10/52 ,  H01M50/449

CPC classification number: H01M50/434 ,  H01M10/523 ,  H01M50/449

Abstract: An ion recovery device including an ion selective permeable membrane with an ion conductive layer containing a lithium ion conductor formed of an inorganic substance, and a support layer is formed of a porous body wherein the ion selective permeable membrane has a configuration (I). In configuration (I) the ion conductive layer is provided in contact with one principal surface side of a support layer, and an electrode is provided in contact with another principal surface side opposite to the one principal surface side on which the ion conductive layer is provided.

公开(公告)号：US20220158230A1

公开(公告)日：2022-05-19

申请号：US17591183

申请日：2022-02-02

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kota TERAI ,  Atsushi SATO ,  Futoshi UTSUNO

IPC: H01M10/0562 ,  C01B17/22 ,  C01B25/14 ,  H01M10/0525

Abstract: A sulfide solid electrolyte may include lithium, phosphorus and sulfur, and the sulfide solid electrolyte may have a diffraction peak A at 2θ=25.2±0.5 deg and a diffraction peak B at 29.7±0.5 deg in powder X-ray diffraction using CuKα rays, and a crystallite diameter in a range of from 5 to 20 nm.

公开(公告)号：US20210355033A1

公开(公告)日：2021-11-18

申请号：US17358411

申请日：2021-06-25

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kazuyoshi INOUE ,  Futoshi UTSUNO ,  Shigekazu TOMAI ,  Masatoshi SHIBATA ,  Mami ITOSE

IPC: C04B35/01 ,  C04B35/626 ,  C04B35/64 ,  C23C14/08 ,  C23C14/34 ,  H01L21/02 ,  H01L27/12 ,  H01L29/24 ,  H01L29/786

Abstract: An oxide sintered body is characterized in that it comprises an oxide including an In element, a Zn element, a Sn element and a Y element and that a sintered body density is equal to or more than 100.00% of a theoretical density.

公开(公告)号：US20210075057A1

公开(公告)日：2021-03-11

申请号：US16953402

申请日：2020-11-20

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Futoshi UTSUNO ,  Kota TERAI ,  Takashi UMEKI ,  Masaru NAKAGAWA ,  Hiroshi YAMAGUCHI

IPC: H01M10/0562 ,  H01B1/10 ,  H01M10/052 ,  H01B1/06 ,  H01M4/136 ,  H01M10/0525 ,  H01M10/058

Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuKα rays, it has a diffraction peak A at 2θ=25.2±0.5 deg and a diffraction peek B at 2θ=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2

公开(公告)号：US20190319305A1

公开(公告)日：2019-10-17

申请号：US16461235

申请日：2017-08-08

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Futoshi UTSUNO ,  Akiko NAKATA ,  Kota TERAI ,  Masaru NAKAGAWA

IPC: H01M10/0562 ,  H01M10/0525

Abstract: Provided is a sulfide solid electrolyte containing lithium, phosphorus, sulfur and chlorine, in which a molar ratio of the chlorine to the phosphorus, c (Cl/P), is greater than 1.0 and 1.9 or less, the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a lattice constant of the argyrodite-type crystal structure is 9.820 Å or less.

公开(公告)号：US20240010813A1

公开(公告)日：2024-01-11

申请号：US18251966

申请日：2021-11-05

Applicant: IDEMITSU KOSAN CO.,LTD. ,  OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Atsutaka KATO ,  Mari YAMAMOTO ,  Masanari TAKAHASHI ,  Futoshi UTSUNO ,  Hiroyuki HIGUCHI

IPC: C08K3/32 ,  C08L53/02 ,  H01M10/052 ,  H01M10/0562 ,  H01M4/13 ,  H01M4/62 ,  H01B1/10

CPC classification number: C08K3/32 ,  C08L53/02 ,  H01M10/052 ,  H01M10/0562 ,  H01M4/13 ,  H01M4/622 ,  H01B1/10 ,  C08L2207/04 ,  C08L2203/20 ,  H01M2300/0068

Abstract: A resin composition containing a compound including phosphorus and sulfur as constituent elements and having a disulfide bond, and a thermoplastic resin.

公开(公告)号：US20230183876A1

公开(公告)日：2023-06-15

申请号：US17995663

申请日：2021-04-09

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Futoshi UTSUNO ,  Satoshi KATSUMATA ,  Tsuyoshi HOSHINO

IPC: C25C7/04 ,  C25C7/02 ,  C25C1/02

CPC classification number: C25C7/04 ,  C25C7/02 ,  C25C1/02

Abstract: A Li ion recovery member and a Li recovery device may prevent occurrence of breakage of a permselective membrane and implement stable Li ion recovery for a long period of time even when a size of a Li recovery device is increased. The Li ion recovery member may include: a permselective membrane including a Li ion conductor made of an inorganic substance; electrodes; and a reticular elastic body, in which the electrodes are provided on at least one main surface side of the permselective membrane, at least one electrode of the electrodes is a porous electrode or a membrane electrode, and the porous electrode or the membrane electrode is sandwiched between the reticular elastic body and the permselective membrane. The Li recovery device may include a Li ion recovery electrolytic cell including the Li ion recovery member and configured to recover Li ions by electrodialysis.

公开(公告)号：US20220376291A1

公开(公告)日：2022-11-24

申请号：US17626939

申请日：2020-07-17

Applicant: IDEMITSU KOSAN CO.,LTD. ,  OSAKA RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE AND TECHNOLOGY

Inventor： Atsutaka KATO ,  Mari YAMAMOTO ,  Masanari TAKAHASHI ,  Futoshi UTSUNO ,  Hiroyuki HIGUCHI

IPC: H01M10/0562 ,  C01B25/14 ,  H01M4/62

Abstract: A compound comprising phosphorus atoms and sulfur atoms as constituent elements and having a peak in Raman spectroscopy, the peak being attributable to a disulfide bond bonding between two phosphorus atoms.

公开(公告)号：US20220255062A1

公开(公告)日：2022-08-11

申请号：US17631927

申请日：2020-07-30

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Naoya MASUDA ,  Futoshi UTSUNO

IPC: H01M4/36 ,  H01M4/58 ,  H01M4/505

Abstract: To provide an electrode composite material capable of exhibiting a high battery capability, containing a particular crystalline sulfide solid electrolyte and an electrode active material, and a method for producing an electrode composite material, including; firstly mixing a raw material inclusion containing at least one kind of a lithium element, a sulfur element, and a phosphorus element, with a complexing agent, so as to form an electrolyte precursor; heating to decomplex the electrolyte precursor; and secondly mixing a decomplexed material obtained through the decomplexing, with an electrode active material.

公开(公告)号：US20210005924A1

公开(公告)日：2021-01-07

申请号：US16976976

申请日：2019-03-01

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Takayoshi KAMBARA ,  Minoru SENGA ,  Katsuhito KONDO ,  Naoya MASUDA ,  Hironari KIMPARA ,  Futoshi UTSUNO ,  Hiroyuki TAMURA

IPC: H01M10/0562 ,  C01B25/14

Abstract: A method for producing a sulfide solid electrolyte having an argyrodite-type crystal structure may involve: mixing a raw material containing elemental phosphorus at an integrated power of 0.5 kWh/kg or more, and heat-treating a precursor obtained in the mixing at 350 to 500° C.