公开(公告)号：US20240021816A1

公开(公告)日：2024-01-18

申请号：US18474436

申请日：2023-09-26

Applicant: HONDA MOTOR CO., LTD. ,  NICHIA CORPORATION

Inventor： Atsushi OGAWA ,  Soshi KAWAMURA ,  Toru SUKIGARA ,  Hiroto MAEYAMA ,  Kenichi KOBAYASHI

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/36 ,  H01M4/505

CPC classification number: H01M4/525 ,  C01G53/42 ,  C01G53/50 ,  H01M4/366 ,  H01M4/505 ,  C01P2002/20 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2004/03 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/40 ,  H01M2004/021

Abstract: A positive electrode active material for a nonaqueous electrolyte secondary battery includes particles of a lithium-transition metal composite oxide that contains nickel in the composition thereof and has a layered structure. The particles have an average particle size DSEM based on electron microscopic observation in a range of 1 μm to 7 μm in which a ratio D50/DSEM of a 50% particle size D50 in volume-based cumulative particle size distribution to the average particle size based on electron microscopic observation is in a range of 1 to 4, and a ratio D90/D10 of a 90% particle size D90 to a 10% particle size D10 in volume-based cumulative particle size distribution is 4 or less.

公开(公告)号：US20200212500A1

公开(公告)日：2020-07-02

申请号：US16727887

申请日：2019-12-26

Applicant: Honda Motor Co.,Ltd.

Inventor： Atsushi OGAWA ,  Ushio HARADA ,  Hiroto MAEYAMA ,  Toru SUKIGARA ,  Kazuki CHIBA

IPC: H01M10/0585 ,  H01M2/16 ,  H01M10/0562

Abstract: Provided is a solid electrolyte laminated sheet having a self-supporting property and capable of realizing a solid state battery having high output characteristics. A plurality of supports are used, a solid electrolyte is filled in each support to form a self-supporting sheet, and the self-supporting sheets are superimposed to form a solid electrolyte laminated sheet. Specifically, the solid electrolyte laminated sheet is configured by setting a layer of the solid electrolyte laminated sheet in contact with a positive electrode layer being the outermost layer as a self-supporting sheet in which a solid electrolyte resistant to oxidation is filled, and a layer in contact with a negative electrode layer being the opposite outermost layer as a self-supporting sheet in which a solid electrolyte resistant to reduction is filled.

公开(公告)号：US20230318027A1

公开(公告)日：2023-10-05

申请号：US18181562

申请日：2023-03-10

Applicant: HONDA MOTOR CO., LTD.

Inventor： Pu QIAN ,  Akihiro YOSHIZAWA ,  Wataru SHIMIZU ,  Atsushi OGAWA

IPC: H01M10/0562 ,  H01M4/62

CPC classification number: H01M10/0562 ,  H01M4/622 ,  H01M2300/0068

Abstract: To provide an electrode material mixture slurry which can enhance the uniformity of electrode materials in a solid-state cell and obtain a preferred mechanical strength of an electrode layer that is formed. An electrode material mixture slurry for manufacturing a solid-state cell electrode, comprising: a solid electrolyte, an electrode active material, a binder, and a solvent, the solid electrolyte being at least one of a sulfide or an oxide, the binder being a polymer binder which includes an unsaturated carbon-carbon bond.

公开(公告)号：US20220293939A1

公开(公告)日：2022-09-15

申请号：US17828438

申请日：2022-05-31

Applicant: HONDA MOTOR CO., LTD. ,  NICHIA CORPORATION

Inventor： Atsushi OGAWA ,  Soshi KAWAMURA ,  Toru SUKIGARA ,  Hiroto MAEYAMA ,  Kenichi KOBAYASHI

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/36 ,  H01M4/505

Abstract: A positive electrode active material for a nonaqueous electrolyte secondary battery includes particles of a lithium-transition metal composite oxide that contains nickel in the composition thereof and has a layered structure. The particles have an average particle size DSEM based on electron microscopic observation in a range of 1 μm to 7 μm in which a ratio D50/DSEM of a 50% particle size D50 in volume-based cumulative particle size distribution to the average particle size based on electron microscopic observation is in a range of 1 to 4, and a ratio D90/D10 of a 90% particle size D90 to a 10% particle size D10 in volume-based cumulative particle size distribution is 4 or less.

公开(公告)号：US20240322225A1

公开(公告)日：2024-09-26

申请号：US18583877

申请日：2024-02-22

Applicant: HONDA MOTOR CO., LTD.

Inventor： Masahiro OHTA ,  Masanari HIGUCHI ,  Atsushi OGAWA

IPC: H01M10/0562

CPC classification number: H01M10/0562

Abstract: A solid-state battery is provided which can improve the adhesion between a solid electrolyte layer and electrode layer, and ion conductivity. A solid-state battery includes a positive electrode layer containing a positive electrode active material; a negative electrode layer; and a solid electrolyte layer containing solid electrolyte and disposed between the positive electrode layer and the negative electrode layer, in which at least either of an interface between the positive electrode layer and the solid electrolyte layer, and an interface between the negative electrode layer and solid electrolyte layer has fiber coated by the solid electrolyte.

公开(公告)号：US20220293956A1

公开(公告)日：2022-09-15

申请号：US17678038

申请日：2022-02-23

Applicant: HONDA MOTOR CO., LTD.

Inventor： Pu QIAN ,  Hiroto MAEYAMA ,  Hiroshi SAKAI ,  Atsushi OGAWA ,  Noriaki KAMAYA

IPC: H01M4/62

Abstract: To provide an electrode for a solid-state battery, capable of improving uniformity of electrode materials and suppressing decomposition of a solid electrolyte or an electrode active material by a binder or a solvent. An electrode for a solid-state battery including a solid electrolyte including sulfide and/or oxide, an electrode active material, a binder, and a conductive auxiliary agent, at least one of the solid electrolyte and the electrode active material having a surface being modified with a surface modifying substance, wherein the surface modifying substance is at least one selected from the group consisting of carboxylate, thiocarboxylate, carboxylic acid, thiocarboxylic acid, phosphate ester, thiophosphate ester, ketone, nitrile, alcohol, thiol, and ether.

公开(公告)号：US20200212450A1

公开(公告)日：2020-07-02

申请号：US16726913

申请日：2019-12-25

Applicant: Honda Motor Co.,Ltd.

Inventor： Wataru SHIMIZU ,  Ushio HARADA ,  Hiroto MAEYAMA ,  Atsushi OGAWA ,  Soshi KAWAMURA ,  Masahiro OHTA

IPC: H01M4/80 ,  H01M4/76 ,  H01M4/66 ,  H01M10/0525 ,  H01M4/13

Abstract: The disclosure provides an electrode for solid state battery and a solid state battery, wherein the electrode using a foamed metal as a collector has excellent mechanical strength and can maintain the insulation from a counter electrode when constituting the solid state battery. In the electrode for solid state battery, which uses a collector composed of a foamed porous body that has a mesh structure, a layer that achieves reinforcement and insulation is provided in the boundary between a filled part filled with an electrode mixture and an unfilled part.

公开(公告)号：US20200152992A1

公开(公告)日：2020-05-14

申请号：US16676459

申请日：2019-11-07

Applicant: Honda Motor Co.,Ltd.

Inventor： Wataru SHIMIZU ,  Ushio HARADA ,  Hiroto MAEYAMA ,  Atsushi OGAWA ,  Soshi KAWAMURA ,  Masahiro OHTA

IPC: H01M4/80 ,  H01M10/0585 ,  H01M4/62 ,  H01M4/36 ,  H01M4/66

Abstract: The disclosure provides an electrode for solid state battery, a solid state battery, and a manufacturing method of the electrode for solid state battery. The electrode for solid state battery uses a foamed porous body as the collector. When the electrode constitutes the solid state battery, the obtained battery has low resistance, high battery capacity per unit area, and high output. A collector composed of a foamed porous body is filled with an electrode mixture by differential pressure filling to obtain an electrode, in which the content rate of an organic polymer compound is low.

公开(公告)号：US20170288223A1

公开(公告)日：2017-10-05

申请号：US15474735

申请日：2017-03-30

Applicant: HONDA MOTOR CO., LTD. ,  NICHIA CORPORATION

Inventor： Atsushi OGAWA ,  Soshi KAWAMURA ,  Toru SUKIGARA ,  Hiroto MAEYAMA ,  Kenichi KOBAYASHI

IPC: H01M4/525 ,  H01M4/505 ,  H01M4/36

CPC classification number: H01M4/525 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/20 ,  C01P2002/50 ,  C01P2002/52 ,  C01P2004/03 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/505 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2220/20

Abstract: A positive electrode active material for a nonaqueous electrolyte secondary battery includes particles of a lithium-transition metal composite oxide that contains nickel in the composition thereof and has a layered structure. The particles have an average particle size DSEM based on electron microscopic observation in a range of 1 μm to 7 μm in which a ratio D50/DSEM of a 50% particle size D50 in volume-based cumulative particle size distribution to the average particle size based on electron microscopic observation is in a range of 1 to 4, and a ratio D90/D10 of a 90% particle size D90 to a 10% particle size D10 in volume-based cumulative particle size distribution is 4 or less.

公开(公告)号：US20170232827A1

公开(公告)日：2017-08-17

申请号：US15434368

申请日：2017-02-16

Applicant: TOKAI KOGYO CO., LTD. ,  HONDA MOTOR CO., LTD.

Inventor： Atsushi OGAWA ,  Takanori USUI

IPC: B60J10/88 ,  B60J10/33 ,  B60J10/27 ,  B60J10/15

CPC classification number: B60J10/75

Abstract: An inner weather strip including: a main body part including at least an exterior lateral wall and a top wall; a seal lip provided on an outer surface of the exterior lateral wall; and a top wall lip provided on an outer surface of the top wall, wherein at least one longitudinal direction end portion of the inner weather strip is provided with an end surface wall, and wherein the end surface wall has a size equal to or larger than a size of an area surrounded by: the seal lip; the main body part; the top wall lip; and a line connecting a tip end of the seal lip and a tip end of the top wall lip, and has a joining part at which the end surface wall and at least a part of an longitudinal direction end surface of the top wall lip are integrally joined.