公开(公告)号：US20240076502A1

公开(公告)日：2024-03-07

申请号：US18262507

申请日：2022-01-21

Applicant: Denka Company Limited

Inventor： Tetsuya ITO ,  Yusaku HARADA ,  Kosuke TANAKA ,  Tatsuya NAGAI

IPC: C09C1/54 ,  C09C1/56

CPC classification number: C09C1/54 ,  C09C1/56 ,  C01P2006/12 ,  C01P2006/42

Abstract: Carbon black in which an oil absorption amount is 150 mL/100 g or more and 400 mL/100 g or less and a nickel content that is measured by induced coupled plasma-mass spectrometry is 50 ppb or less.

公开(公告)号：US20240021834A1

公开(公告)日：2024-01-18

申请号：US18254715

申请日：2021-12-02

Applicant: Denka Company Limited

Inventor： Yusaku HARADA ,  Yuji KOGA

IPC: H01M4/62 ,  C09C1/50 ,  H01M10/0525

CPC classification number: H01M4/625 ,  C09C1/50 ,  H01M10/0525 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/19 ,  C01P2006/80 ,  H01M2004/021

Abstract: Carbon black having a specific surface area of 150 m2/g or more and 400 m2/g or less, and a ratio (DBP/CDBP) of a DBP absorption (DBP) to a compressed DBP absorption (CDBP) of 2.0 or less.

公开(公告)号：US20240006615A1

公开(公告)日：2024-01-04

申请号：US18254778

申请日：2021-12-02

Applicant: Denka Company Limited

Inventor： Yusaku HARADA ,  Yuji KOGA

IPC: H01M4/62 ,  H01M10/0525

CPC classification number: H01M4/625 ,  H01M10/0525 ,  H01M2004/021

Abstract: Carbon black having a specific surface area of 150 m2/g or more and 400 m2/g or less, and a ratio (S2/S1) of a peak area (S2) of a peak at m/z 128 to a peak area (S1) of a peak at m/z 57 detected through thermal desorption spectroscopy of less than 2.00.

公开(公告)号：US20250140864A1

公开(公告)日：2025-05-01

申请号：US18693654

申请日：2022-09-27

Applicant: DENKA COMPANY LIMITED

Inventor： Michiya NAKASHIMA ,  Tatsuya NAGAI ,  Yusaku HARADA ,  Masato YAMADA ,  Kosuke TANAKA

IPC: H01M4/62 ,  H01M4/02

Abstract: A carbon black having a bulk density of 0.08 g/cm3 or lower after being compressed at 490 Pa for 3 minutes. A carbon black having a bulk density of 0.1 g/cm3 or lower after being stirred under a condition of gravity acceleration 400 G for 30 minutes using a rotation-revolution type stirrer.

公开(公告)号：US20240002670A1

公开(公告)日：2024-01-04

申请号：US18254757

申请日：2021-12-02

Applicant: Denka Company Limited

Inventor： Yusaku HARADA ,  Yuji KOGA

IPC: C09C1/48 ,  H01M10/0525

CPC classification number: C09C1/48 ,  H01M10/0525 ,  C01P2006/12 ,  C01P2006/80 ,  C01P2006/60

Abstract: Carbon black having a specific surface area of 150 m2/g or more and 400 m2/g or less and a hydrochloric acid absorption amount of 30 mL/5 g or more, wherein, when a 3 mass % slurry is prepared using N-methyl-2-pyrrolidone as a dispersion medium, the slurry viscosity at 25° C. and a shear rate of 10 s−1 is 200 mPa·s or more and 1,200 mPa·s or less.

公开(公告)号：US20200163210A1

公开(公告)日：2020-05-21

申请号：US16630232

申请日：2018-07-25

Applicant: DENKA COMPANY LIMITED

Inventor： Akimasa YUASA ,  Yusaku HARADA ,  Takahiro NAKAMURA ,  Shuhei MORITA ,  Kouji NISHIMURA

IPC: H05K1/03 ,  H05K3/10

Abstract: A ceramic circuit substrate having high bonding performance and excellent thermal cycling resistance properties, having a circuit pattern provided on a ceramic substrate with a braze material layer interposed therebetween, and a protruding portion formed by the braze material layer protruding from the outer edge of the circuit pattern, wherein: the braze material layer includes Ag, Cu, Ti, and Sn or In; and an Ag-rich phase is formed continuously for 300 μm or more, towards the inside, from an outer edge of the protruding portion, along a bonding interface between the ceramic substrate and the circuit pattern, and has a bonding void ratio of 1.0% or less.

公开(公告)号：US20250096266A1

公开(公告)日：2025-03-20

申请号：US18728188

申请日：2023-01-17

Applicant: DENKA COMPANY LIMITED

Inventor： Kosuke TANAKA ,  Yusaku HARADA ,  Kazuta HIRATA

IPC: H01M4/587 ,  C09C1/48 ,  H01M4/02 ,  H01M10/0525

Abstract: Carbon black in which, when aggregates are divided into first primary aggregates having an X value of more than 1.7, second primary aggregates having an X value of 1.7 or less and a Y value of 1.2 or less, third primary aggregates having an X value of 1.7 or less, a Y value of more than 1.2, and a Z value of 2.0 or less, and fourth primary aggregates having an X value of 1.7 or less, a Y value of more than 1.2, and a Z value of more than 2.0, the number percentage of a total number of the second primary aggregates and the third primary aggregates is 23% or more: X = L / W ( X ) Y = P 2 / 4 ⁢ π ⁢ A ( Y ) Z = ( L × W ) / A ( Z ) [in the formula, in a two-dimensional projection image of a primary aggregate under a transmission electron microscope, the Feret's diameter of the primary aggregate in the minor axis direction is W (μm), the Feret's diameter in the major axis direction is L (μm), the perimeter is P (μm), and the projected area is A (μm2)].

公开(公告)号：US20240079598A1

公开(公告)日：2024-03-07

申请号：US18262499

申请日：2022-01-21

Applicant: Denka Company Limited

Inventor： Tetsuya ITO ,  Yusaku HARADA ,  Kosuke TANAKA ,  Tatsuya NAGAI

IPC: H01M4/62 ,  C09C1/54 ,  C09C1/56

CPC classification number: H01M4/625 ,  C09C1/54 ,  C09C1/56 ,  C01P2006/12 ,  C01P2006/19 ,  C01P2006/40 ,  C01P2006/80

Abstract: Carbon black in which an oil absorption amount is 150 mL/100 g or more and 400 mL/100 g or less and an iron content that is measured by induced coupled plasma-mass spectrometry is 500 ppb or less.

公开(公告)号：US20240030450A1

公开(公告)日：2024-01-25

申请号：US18254743

申请日：2021-12-02

Applicant: Denka Company Limited

Inventor： Yusaku HARADA ,  Yuji KOGA

IPC: H01M4/62 ,  C09C1/48 ,  H01M10/0525 ,  H01M4/13

CPC classification number: H01M4/625 ,  C09C1/48 ,  H01M10/0525 ,  H01M4/13 ,  C01P2006/12 ,  C01P2002/60 ,  C01P2006/19 ,  C01P2006/80 ,  C01P2006/22 ,  C01P2006/40 ,  H01M2004/021

Abstract: Carbon black having a specific surface area of 150 m2/g or more and 400 m2/g or less, and a ratio (Lc/SSA) of a crystallite size (Le (Å)) to a specific surface area (SSA (m2/g)) of 0.15 or less.

公开(公告)号：US20240384104A1

公开(公告)日：2024-11-21

申请号：US18693227

申请日：2022-09-27

Applicant: DENKA COMPANY LIMITED

Inventor： Michiya NAKASHIMA ,  Tatsuya NAGAI ,  Yusaku HARADA ,  Masato YAMADA ,  Kosuke TANAKA

IPC: C09C1/56 ,  H01M4/62

Abstract: A carbon black capable of floating on a surface of a pure water when the carbon black is shaken together with the pure water at 25° C., and settling from the surface of the pure water at 50° C. or higher when the temperature of the pure water is increased stepwise from 25° C. and the carbon black is shaken together with the pure water at each temperature.