公开(公告)号：US20230335788A1

公开(公告)日：2023-10-19

申请号：US18123384

申请日：2023-03-20

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Kenji MORIYAMA ,  Shinji TANAKA ,  Katsuhito KONDO ,  Hironari KIMPARA ,  Atsushi YAO

IPC: H01M10/0562 ,  H01M10/0525

CPC classification number: H01M10/0562 ,  H01M10/0525 ,  H01M2300/0068

Abstract: Provided are a method for producing an atomization sulfide solid electrolyte, including atomizing a raw material sulfide solid electrolyte together with a specific ketone compound, the raw material sulfide solid electrolyte containing a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom; an atomization sulfide solid electrolyte; an electrode mixture containing the atomization sulfide solid electrolyte and an electrode active material; and a lithium ion battery containing at least one of the atomization sulfide solid electrolyte and the electrode mixture.

公开(公告)号：US20220344703A1

公开(公告)日：2022-10-27

申请号：US17641167

申请日：2020-09-18

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Hironari KIMPARA ,  Shota TOTSUKA ,  Atsushi SATO ,  Naoya MASUDA ,  Atsushi YAO

IPC: H01M10/0562

Abstract: A method of production of a solid electrolyte having an Argyrodite-type crystal structure, including steps of mixing raw materials such that lithium (Li), phosphorus (P), sulfur (S), oxygen (O), and halogen (X) satisfy the following formulas (11) to (14) to obtain a mixture; and heating the mixture: 4.8≤Li/P≤5.3  (11) 3.8≤S/P≤4.4  (12) 0

公开(公告)号：US20210343876A1

公开(公告)日：2021-11-04

申请号：US17264650

申请日：2019-08-01

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kazuyoshi INOUE ,  Masatoshi SHIBATA ,  Emi KAWASHIMA ,  Kenichi SASAKI ,  Atsushi YAO

IPC: H01L29/786 ,  C23C14/34 ,  C01G15/00

Abstract: A crystalline structure compound A is represented by a composition formula (2) and has having diffraction peaks respectively in below-defined ranges (A) to (K) of an incidence angle observed by X-ray diffraction measurement. (InxGayAlz)2O3  (2) In the formula (2), 0.47≤x≤0.53, 0.17≤y≤0.43, 0.07≤z≤0.33, and x+y+z=1.
31° to 34° (A), 36° to 39° (B), 30° to 32° (C), 51° to 53° (D), 53° to 56° (E), 62° to 66° (F), 9° to 11° (G), 19° to 21° (H), 42° to 45° (I), 8° to 10° (J), and 17° to 19° (K).

公开(公告)号：US20240105985A1

公开(公告)日：2024-03-28

申请号：US18272166

申请日：2022-01-18

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Tomoyuki OKUYAMA ,  Nobuhito NAKAYA ,  Hiroto IDA ,  Toshifumi MIYAGAWA ,  Atsushi YAO

IPC: H01M10/056 ,  H01M10/0525

CPC classification number: H01M10/056 ,  H01M10/0525 ,  H01M2300/0065

Abstract: Provided are: a modified sulfide solid electrode containing a sulfide solid electrolyte having a BET specific surface area of 10 m2/g or more and containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom, and an epoxy compound, in which the modified sulfide solid electrolyte has a peak at 2800 to 3000 cm−1 in an infrared absorption spectrum obtained by FT-IR spectroscopy (ATR method); and a method for producing the modified sulfide solid electrolyte, which has excellent coating suitability when applied as a paste and is capable of efficiently exhibiting excellent battery performance even when a sulfide solid electrolyte having a large specific surface area is used.

公开(公告)号：US20240079648A1

公开(公告)日：2024-03-07

申请号：US18271515

申请日：2022-01-25

Applicant: IDEMITSU KOSAN CO., LTD.

Inventor： Nobuhito NAKAYA ,  Yusuke ISEKI ,  Tomoyuki OKUYAMA ,  Hiroto IDA ,  Toshifumi MIYAGAWA ,  Atsushi YAO

IPC: H01M10/0565

CPC classification number: H01M10/0565 ,  H01M2300/0082

Abstract: Provided are a method of manufacturing a modified sulfide solid electrolyte, which is excellent in coating suitability when applied as a paste even if a sulfide solid electrolyte has a large specific surface area, and can efficiently exhibit an excellent battery performance, the modified sulfide solid electrolyte obtained by the manufacturing method, and an electrode combined material and a lithium ion battery which exhibit an excellent battery performance. The method includes: mixing an organic halide and an organic solvent with a sulfide solid electrolyte having a BET specific surface area of 10 m2/g or more and containing a lithium atom, a sulfur atom, a phosphorus atom, and a halogen atom; and removing the organic solvent.

公开(公告)号：US20220311049A1

公开(公告)日：2022-09-29

申请号：US17840996

申请日：2022-06-15

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Naoya MASUDA ,  Junpei MARUYAMA ,  Hironari KIMPARA ,  Shota TOTSUKA ,  Atsushi YAO

IPC: H01M10/0562 ,  H01M10/0525

Abstract: A method for producing a solid electrolyte having an argyrodite-type crystal structure, the method comprising:
heat-treating a raw material mixture comprising lithium, sulfur, phosphorus and halogen in a solvent using a pressure-resistant container or under refluxing;
removing the solvent; and
firing a treated product obtained by the heat treatment.

公开(公告)号：US20210309535A1

公开(公告)日：2021-10-07

申请号：US17264622

申请日：2019-08-01

Applicant: IDEMITSU KOSAN CO.,LTD.

Inventor： Kenichi SASAKI ,  Emi KAWASHIMA ,  Kazuyoshi INOUE ,  Masatoshi SHIBATA ,  Atsushi YAO

IPC: C01G15/00

Abstract: A compound includes indium element (In), gallium element (Ga), aluminum element (Al) and oxygen element (O), the compound having a triclinic crystal system with lattice constants being a=10.07±0.15 Å, b=10.45±0.15 Å, c=11.01±0.15 Å, α=111.70±0.50°, β=107.70±0.50° and γ=90.00±0.50°.