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公开(公告)号：US12170351B2
公开(公告)日：2024-12-17
申请号：US17460125
申请日：2021-08-27
Inventor： Takashi Kubo , Tetsuya Asano , Akinobu Miyazaki , Akihiro Sakai
IPC: H01M10/0562
Abstract: The present disclosure provides a solid electrolyte material having a high lithium ion conductivity. The solid electrolyte material according to the present disclosure includes Li, Zr, Y, M, and X. M is at least one element selected from the group consisting of Nb and Ta. X is at least one element selected from the group consisting of Cl and Br.
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公开(公告)号：US20240413394A1
公开(公告)日：2024-12-12
申请号：US18813086
申请日：2024-08-23
Inventor： YOSHIAKI TANAKA , TAKASHI KUBO , KEITA MIZUNO
IPC: H01M10/0562 , C01G25/00 , C01G35/00 , H01M10/0585
Abstract: A solid electrolyte material includes a solid electrolyte and an oxide material. The solid electrolyte includes Li, M, O, and X. M is at least one selected from the group consisting of Nb, Ta, and Zr. X is at least one selected from the group consisting of F, Cl, Br, and I. The oxide material includes at least one selected from the group consisting of oxides of divalent metal elements and oxides of trivalent metal elements. The mass proportion of the oxide material to the solid electrolyte is 1% or more and 50% or less. A battery 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 above solid electrolyte material.
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公开(公告)号：US20240413351A1
公开(公告)日：2024-12-12
申请号：US18810091
申请日：2024-08-20
Inventor： Nobuhiro MIYATA , Haruhiko SHINTANI , Tomokatsu WADA
IPC: H01M4/86 , B01J35/61 , B01J35/64 , H01M4/90 , H01M8/1004
Abstract: An electrode catalyst for a fuel battery includes a mesoporous material and catalyst metal particles supported at least in the mesoporous material. In the electrode catalyst for a fuel battery, before supporting the catalyst metal particles, the mesoporous material has mesopores having a mode radius of greater than or equal to 1 nm and less than or equal to 25 nm and has a value of greater than 0.90, the value being determined by dividing a specific surface area S1-25 (m2/g) of the mesopores obtained by analyzing a nitrogen adsorption-desorption isotherm according to a BJH method, the mesopores having a radius of greater than or equal to 1 nm and less than or equal to 25 nm, by a BET specific surface area (m2/g) evaluated according to a BET method.
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公开(公告)号：US20240413345A1
公开(公告)日：2024-12-12
申请号：US18696818
申请日：2022-09-16
Inventor： Yuki TOKUDA
IPC: H01M4/62
Abstract: The disclosed electrode for a secondary battery includes a current collector, and an active material layer disposed on a surface of the current collector. The active material layer includes at least an active material and an organic compound containing bromine. When the active material layer is divided into a first region and a second region having the same thickness, and the first region is closer to the current collector than the second region, a content A1 by mass of the organic compound relative to the active material in the first region is larger than a content A2 by mass of the organic compound relative to the active material in the second region. According to the present disclosure, the deterioration in cycle characteristics at low temperatures in a secondary battery can be suppressed.
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公开(公告)号：US20240413327A1
公开(公告)日：2024-12-12
申请号：US18690536
申请日：2022-09-14
Inventor： Taisuke Asano , Toshiki Kamidaira , Yosuke Sato
IPC: H01M4/58 , H01M4/02 , H01M10/0525
Abstract: The disclosed negative electrode active material for a secondary battery includes silicate composite particles each including a silicate phase, and silicon particles dispersed in the silicate phase. A peak of an oxygen K-edge energy loss near edge structure (ELNES) at an interface between the silicate phase and the silicon particles is shifted to a lower energy side by 2.0 eV to 3.0 eV relative to a peak of the oxygen K-edge energy loss near edge structure in the silicate phase.
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Patent Agency Ranking
公开(公告)号：US20240413326A1
公开(公告)日：2024-12-12
申请号：US18773850
申请日：2024-07-16
Inventor： Shigeki MORIYA , Nobuhiro SAKITANI , Takaharu MORIKAWA
Abstract: The purpose of the present invention is to provide a winding-type nonaqueous electrolyte secondary battery which is capable of minimizing degradation of charge-discharge cycle characteristics. The winding-type nonaqueous electrolyte secondary battery according to an embodiment of the present invention is provide with a negative electrode that has a negative electrode current collector, an inner-circumference-side negative electrode mixture layer which is disposed, of the two surfaces of the negative electrode current collector, on the inner-circumference-side surface, and an outer-circumference-side negative electrode mixture layer disposed on the outer-circumference-side surface, wherein the inner-circumference-side negative electrode mixture layer and the outer-circumference-side negative electrode mixture layer each include a negative electrode active material and carbon nanotubes, and the carbon nanotubes in the outer-circumference-side negative electrode mixture layer have an average fiber length of 5-30 um, which is longer than that of the carbon nanotubes in inner-circumference-side negative electrode mixture layer.
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公开(公告)号：US20240409701A1
公开(公告)日：2024-12-12
申请号：US18811837
申请日：2024-08-22
Inventor： AMI FUKU , TOSHIFUMI NAGINO , MASASHI HAMABE , MASAYOSHI IMANISHI
Abstract: A composite resin molded article including: a base resin; a plurality of natural fibers dispersed in the base resin; and at least one of a microorganism and an enzyme, the microorganism and the enzyme being supported on each of the plurality of natural fibers, wherein at least one of the plurality of natural fibers includes a portion exposed on a surface of the composite resin molded article, and at least a part of a surface of each of the plurality of natural fibers is coated with a coating resin.
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公开(公告)号：US20240408600A1
公开(公告)日：2024-12-12
申请号：US18810576
申请日：2024-08-21
Inventor： TAICHI NAKAMURA , HIROAKI YOSHIDA , TOSHIFUMI NAGINO
IPC: B01L3/00 , B01F23/45 , B01F31/80 , B01F33/301 , B01F101/00
Abstract: A microfluidic device comprises: a first channel through which a first raw material fluid flows; a second channel through which a second raw material fluid flows; a synthesis channel portion that joins the first channel and the second channel to cause the first raw material fluid and the second raw material fluid to react with each other to generate nuclei, thereby obtaining a fluid containing particles obtained by growing the nuclei; and a vibration applicator that applies vibration to the fluid flowing through the synthesis channel portion, in which the synthesis channel portion includes a mixing channel portion that is a merging portion of the first channel and the second channel, a stagnation channel portion that communicates with a downstream side of the mixing channel portion and to which vibration is applied by the vibration applicator.
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公开(公告)号：US12167691B2
公开(公告)日：2024-12-10
申请号：US17702035
申请日：2022-03-23
Inventor： Masaki Fujikane , Kouhei Takahashi , Naoki Tambo , Kunihiko Nakamura , Yasuyuki Naito
Abstract: A thermoelectric conversion device includes: a first thermoelectric conversion module, a first insulating layer, and a second thermoelectric conversion module. The first (second) thermoelectric conversion module includes one or two or more thermoelectric conversion elements, a first (third) connection electrode, and a second (fourth) connection electrode. The thermoelectric conversion elements of the first (second) thermoelectric conversion module are electrically connected to the first (third) connection electrode and the second (fourth) connection electrode and located on an electric path connecting these connection electrodes. Each of the thermoelectric conversion elements includes a thermoelectric converter. The thermoelectric converter of at least one of the thermoelectric conversion elements has a phononic crystal layer having a phononic crystal structure including a plurality of regularly arranged through holes. A through direction of the plurality of through holes in this crystal structure is substantially parallel to a stacking direction of the first thermoelectric conversion module, the first insulating layer, and the second thermoelectric conversion module.
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公开(公告)号：US12166205B2
公开(公告)日：2024-12-10
申请号：US16973892
申请日：2019-03-15
Inventor： Hidekazu Hiratsuka
Abstract: A positive electrode active substance, wherein: the average primary particle diameter of an Ni-containing lithium complex oxide A is 0.5 μm or greater, and is greater than the average primary particle diameter (0.05 μm or greater) of an Ni-containing lithium complex oxide B; and the average secondary particle diameter of the Ni-containing lithium complex oxide A is 2-6 μm, and is less than the average secondary particle diameter (10-20 μm) of the Ni-containing lithium complex oxide B. The Ni-containing lithium complex oxides A, B contain 55 mol % or more of Ni relative to the total mol of metal elements excluding Li, have a crystallite diameter of 100-200 nm, and are such that the disorder of elemental Ni is 3% or less.
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