公开(公告)号：US20250062392A1

公开(公告)日：2025-02-20

申请号：US18935668

申请日：2024-11-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YOHEI HAYASHI ,  YUTA SUGIMOTO

IPC: H01M10/056 ,  H01M10/052

Abstract: A solid electrolyte composition includes a solid electrolyte and an organic solvent, in which the solid electrolyte contains I, and the organic solvent is a compound having an I-containing skeleton structure. A solid electrolyte layer includes an I-containing solid electrolyte and an organic compound that has a composition different from the solid electrolyte and has an I-containing skeleton structure. An electrode includes an I-containing solid electrolyte, an organic compound that has a composition different from the solid electrolyte and has an I-containing skeleton structure, and an active material.

公开(公告)号：US20210305625A1

公开(公告)日：2021-09-30

申请号：US17342998

申请日：2021-06-09

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YOHEI HAYASHI ,  TETSUYA ASANO ,  MASASHI SAKAIDA ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/133

Abstract: A solid-electrolyte material includes a crystal phase constituted by Li, M, X, and O. M is at least one element selected from the group consisting of Mg, Ca, and Sr. X is at least two elements selected from the group consisting of F, Cl, Br, and I.

公开(公告)号：US20230044223A1

公开(公告)日：2023-02-09

申请号：US17930107

申请日：2022-09-07

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： TAKASHI KUBO ,  KAZUFUMI MIYATAKE ,  YOHEI HAYASHI ,  YUSUKE NISHIO ,  AKIHIRO SAKAI

IPC: C01F17/253 ,  C01C1/16 ,  C01D15/04 ,  C01F11/20

Abstract: The production method of the present disclosure includes heat-treating a material mixture containing a compound containing Y, a compound containing Gd, NH4α, Liβ, and Caγ2 in an inert gas atmosphere. The compound containing Y is at least one selected from the group consisting of Y2O3 and Yδ3, and the compound containing Gd is at least one selected from the group consisting of Gd2O3 and Gdε3. The material mixture contains at least one selected from the group consisting of Y2O3 and Gd2O3, and α, β, γ, δ, and ε are each independently at least one selected from the group consisting of F, Cl, Br, and I.

公开(公告)号：US20250062393A1

公开(公告)日：2025-02-20

申请号：US18935670

申请日：2024-11-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YOHEI HAYASHI ,  YUTA SUGIMOTO

IPC: H01M10/056 ,  H01M10/052

Abstract: A solid electrolyte composition includes a solid electrolyte, at least one selected from the group consisting of elemental iodine and an iodide, and an organic solvent. A solid electrolyte layer includes a solid electrolyte, and at least one selected from the group consisting of elemental iodine and lithium iodide. An electrode includes a solid electrolyte, at least one selected from the group consisting of elemental iodine and lithium iodide, and an active material.

公开(公告)号：US20210005923A1

公开(公告)日：2021-01-07

申请号：US16911442

申请日：2020-06-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YOHEI HAYASHI ,  IZURU SASAKI ,  YUTA SUGIMOTO

IPC: H01M10/0562 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/131 ,  H01M4/134 ,  H01M4/505

Abstract: A positive electrode material contains a positive electrode active material and a first solid electrolyte material. The first solid electrolyte material is represented by Chemical Formula (1): LiαMβXγ. In Chemical Formula (1), α, β, and γ each represent a value larger than 0, M represents at least one element selected from the group consisting of metal elements other than lithium and of metalloid elements, and X represents at least one element selected from the group consisting of fluorine, chlorine, bromine, and iodine. The ratio of the volume of the positive electrode active material to the sum of the volume of the positive electrode active material and the volume of the solid electrolyte material is not less than 0.55 and not more than 0.85.

公开(公告)号：US20250062401A1

公开(公告)日：2025-02-20

申请号：US18937743

申请日：2024-11-05

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YOHEI HAYASHI ,  YUTA SUGIMOTO

IPC: H01M10/0562 ,  H01M4/62 ,  H01M10/42

Abstract: A solid electrolyte composition includes a solid electrolyte and an organic solvent, in which the solid electrolyte is substantially free of sulfur and contains I, and the organic solvent is a compound having a skeleton structure containing at least two F atoms. A solid electrolyte layer includes a solid electrolyte substantially free of sulfur and containing I and an organic compound that has a composition different from the solid electrolyte and has a skeleton structure containing at least two F atoms. An electrode includes a solid electrolyte substantially free of sulfur and containing I, an organic compound that has a composition different from the solid electrolyte and has a skeleton structure containing at least two F atoms, and an active material.

公开(公告)号：US20240413393A1

公开(公告)日：2024-12-12

申请号：US18813081

申请日：2024-08-23

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YOSHIAKI TANAKA ,  YOHEI HAYASHI ,  KEITA MIZUNO

IPC: H01M10/0562 ,  H01M10/0525

Abstract: A solid electrolyte material of the present disclosure includes Li, M, A, and X. M is at least one selected from the group consisting of Nb, Ta, and Zr. A is at least one selected from the group consisting of O and S. X is at least one selected from the group consisting of F, Cl, Br, and I. The solid electrolyte material of the present disclosure has a Young's modulus of less than 23 GPa. A battery of the present disclosure includes a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode, and at least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material of the present disclosure.

公开(公告)号：US20240194868A1

公开(公告)日：2024-06-13

申请号：US18444615

申请日：2024-02-16

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YOHEI HAYASHI ,  AKIHIRO SAKAI ,  IZURU SASAKI

IPC: H01M4/525 ,  H01M4/505 ,  H01M10/052 ,  H01M10/0562

CPC classification number: H01M4/525 ,  H01M4/505 ,  H01M10/052 ,  H01M10/0562 ,  H01M2300/008

Abstract: A positive electrode material includes a coated active material including a positive electrode active material and a coating layer and a first solid electrolyte. The coating layer contains a second solid electrolyte and covers at least a portion of a surface of the positive electrode active material. The first solid electrolyte is represented by the following Formula (1):


Liα1M1β1X1γ1  Formula (1)

where α1, β1, and γ1 each independently represent a positive real number; M1 includes calcium, yttrium, and at least one rare earth element other than yttrium; X1 includes at least one selected from the group consisting of F, Cl, Br, and I. The second solid electrolyte is softer than the first solid electrolyte.

公开(公告)号：US20230010698A1

公开(公告)日：2023-01-12

申请号：US17930101

申请日：2022-09-07

Applicant: Panasonic Intellectual Property Management co., Ltd.

Inventor： TAKASHI KUBO ,  KAZUFUMI MIYATAKE ,  YOHEI HAYASHI ,  YUSUKE NISHIO ,  AKIHIRO SAKAI

IPC: H01M10/0562 ,  C01F17/36

Abstract: A production method for producing a halide, the method includes a heat treatment step of heat-treating a mixed material containing (NH4)aYα3+a, (NH4)bGdβ3+b, Liγ, and Caδ2 in an inert gas atmosphere, wherein α, β, γ, and δ are each independently at least one selected from the group consisting of F, Cl, Br, and I, and the formulas: 0≤a≤3, 0≤b≤3, and 0