公开(公告)号：US20240039041A1

公开(公告)日：2024-02-01

申请号：US18227582

申请日：2023-07-28

Applicant: SAMSUNG SDI CO., LTD. ,  HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Pilsang YUN ,  Hyunbeom KIM ,  Suk-Gi HONG ,  Myeongju HA ,  Hwichul YANG

IPC: H01M10/0562

CPC classification number: H01M10/0562 ,  H01M2300/008

Abstract: A solid electrolyte includes sulfide-based solid electrolyte particles and lithium-metal-oxide on the surface of the particles, wherein in an X-ray diffraction analysis of the solid electrolyte, a full width at half maximum of a main peak is less than or equal to about 0.160.

公开(公告)号：US20190326596A1

公开(公告)日：2019-10-24

申请号：US16462912

申请日：2017-12-04

Applicant: Samsung SDI Co., Ltd.

Inventor： Pilsang YUN ,  Jongmin KIM ,  Hyunbeom KIM ,  Wooyoung YANG ,  Jangsuk HYUN

IPC: H01M4/525 ,  C01G53/04 ,  H01M4/505 ,  H01M10/052

Abstract: Provided are a nickel-based active material precursor for a lithium secondary battery including a porous core and a shell on the porous core, the shell having a radial arrangement structure with a higher density than that of the porous core, wherein the nickel-based active material precursor have a size of 9 μm to 14 μm, and the porous core has a volume of about 5% by volume to about 20% by volume based on the total volume of the nickel-based active material precursor; a method of preparing the nickel-based active material precursor; a nickel-based active material produced from the nickel-based active material; and a lithium secondary battery including a cathode containing the nickel-based active material.

公开(公告)号：US20250158053A1

公开(公告)日：2025-05-15

申请号：US19022866

申请日：2025-01-15

Applicant: Samsung SDI Co., Ltd.

Inventor： Pilsang YUN ,  Hyunbeom KIM ,  Sangin PARK ,  Yongchan YOU

IPC: H01M4/525 ,  H01M4/02 ,  H01M4/04 ,  H01M4/505 ,  H01M10/0525

Abstract: A positive active material for a rechargeable lithium battery includes a lithium nickel-based metal composite oxide, wherein the positive active material includes secondary particles in which a plurality of primary particles are aggregated, a first boron coating portion present on the outer surfaces of the secondary particles, and a second boron coating portion present on surfaces of the primary particles inside the secondary particles, and a weight of the first boron coating portion is greater than a weight of the second boron coating portion.

公开(公告)号：US20240128499A1

公开(公告)日：2024-04-18

申请号：US18378737

申请日：2023-10-11

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Pilsang YUN ,  Do-Yu KIM ,  Hyunbeom KIM

IPC: H01M10/0562 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525

CPC classification number: H01M10/0562 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M2004/028

Abstract: A positive electrode for an all-solid-state rechargeable battery, the positive electrode includes a current collector; and a positive electrode active material layer on the current collector, wherein the positive electrode active material layer includes a positive electrode active material and a solid electrolyte, the solid electrolyte includes sulfide solid electrolyte particles, and a lithium-metal-oxide on a surface of the sulfide solid electrolyte particles, and in an X-ray diffraction analysis of the solid electrolyte, a full width at half maximum of a main peak is less than or equal to about 0.160.

公开(公告)号：US20230098411A1

公开(公告)日：2023-03-30

申请号：US17936544

申请日：2022-09-29

Applicant: Samsung SDI Co., Ltd.

Inventor： Pilsang YUN ,  Jongmin KIM ,  Hyunbeom KIM ,  Sangin PARK ,  Hanseul LEE

IPC: H01M4/525 ,  H01M10/0525 ,  H01M4/58 ,  H01M4/04

Abstract: Provided are a positive electrode active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery including the same, the positive electrode active material for a rechargeable lithium battery including a secondary particle in which a plurality of primary particles including a lithium nickel-based composite oxide are aggregated, wherein at least a portion of the primary particles are arranged radially, a boron coating layer on the surface of the secondary particles and containing lithium borate, and a boron-doped layer inside the primary particle exposed to the surface of the secondary particle.

公开(公告)号：US20220293913A1

公开(公告)日：2022-09-15

申请号：US17578220

申请日：2022-01-18

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Pilsang YUN ,  Hyunbeom KIM ,  Sangin PARK ,  Yongchan YOU

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/505 ,  H01M4/525

Abstract: A positive active material for a rechargeable lithium battery includes a first positive active material including a secondary particle formed by aggregation of a plurality of primary particles, wherein at least a portion of the primary particles have a radially arranged structure, and a second positive active material including a secondary particle formed by aggregation of a plurality of primary particles, wherein the first positive active material and the second positive active material are both (e.g., simultaneously) nickel-based positive active materials, a particle diameter of the secondary particle of the first positive active material is larger than a particle diameter of the secondary particles\ of the second positive active material, and the second positive active material is coated with a boron compound.

公开(公告)号：US20250132380A1

公开(公告)日：2025-04-24

申请号：US18676765

申请日：2024-05-29

Applicant: SAMSUNG SDI CO., LTD. ,  HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Suk-Gi HONG ,  Myeongju HA ,  Hwichul YANG ,  Pilsang YUN ,  Hyunbeom KIM ,  Young Gyoon RYU ,  Kyusung PARK ,  Yongjun JANG ,  Sunho CHOI ,  Sungman CHO ,  Seonghyeon CHOI ,  Yonggu KIM ,  Saheum KIM

IPC: H01M10/0562

Abstract: A solid electrolyte, a positive electrode including the same, and an all-solid-state rechargeable battery, the solid electrolyte includes solid ion conductor particles; a coating layer on the solid ion conductor particles, the coating layer including a compound represented by Chemical Formula 1; and a lithium-deficient layer at an interface between the solid ion conductor particles and the coating layer: Li3+aM1bX16+c.  [Chemical Formula 1]

公开(公告)号：US20240128501A1

公开(公告)日：2024-04-18

申请号：US18379350

申请日：2023-10-12

Applicant: SAMSUNG SDI CO., LTD. ,  HYUNDAI MOTOR COMPANY ,  KIA CORPORATION

Inventor： Pilsang YUN ,  Hyunbeom KIM ,  Suk-Gi HONG ,  Myeongju HA ,  Hwichul YANG

IPC: H01M10/0562

CPC classification number: H01M10/0562 ,  H01M2300/008 ,  H01M2300/0094

Abstract: A solid electrolyte, including a sulfide solid electrolyte particle and lithium-metal-phosphate on the surface of the sulfide solid electrolyte particles wherein in an X-ray diffraction analysis of the solid electrolyte, a full width at half maximum (FWHM) of a main peak is less than or equal to about 0.160.

公开(公告)号：US20240128451A1

公开(公告)日：2024-04-18

申请号：US18378746

申请日：2023-10-11

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Pilsang YUN ,  Do-Yu KIM ,  Hyunbeom KIM

IPC: H01M4/58 ,  H01M4/525 ,  H01M10/0562

CPC classification number: H01M4/5825 ,  H01M4/525 ,  H01M10/0562 ,  H01M2004/028

Abstract: A positive electrode for an all-solid-state rechargeable battery, the positive electrode includes a current collector; and a positive electrode active material layer on the current collector, wherein the positive electrode active material layer includes a positive electrode active material and a solid electrolyte, the solid electrolyte includes sulfide solid electrolyte particles, and a lithium-metal-phosphate on a surface of the sulfide solid electrolyte particles, and in an X-ray diffraction analysis of the solid electrolyte, a full width at half maximum of a main peak is less than or equal to about 0.160.

公开(公告)号：US20230178725A1

公开(公告)日：2023-06-08

申请号：US18060684

申请日：2022-12-01

Applicant: Samsung SDI Co., Ltd.

Inventor： Pilsang YUN ,  Do-Yu KIM ,  Hyunbeom KIM ,  Sangin PARK ,  Yongchan YOU

IPC: H01M4/525 ,  H01M50/46 ,  H01M10/0569 ,  H01M4/485 ,  H01M4/505 ,  H01M4/62 ,  H01M10/44 ,  H01M50/578

CPC classification number: H01M4/525 ,  H01M50/46 ,  H01M10/0569 ,  H01M4/485 ,  H01M4/505 ,  H01M4/62 ,  H01M10/445 ,  H01M10/448 ,  H01M50/578 ,  H01M2004/028

Abstract: A rechargeable lithium battery includes a positive electrode including a positive electrode active material including a secondary particle in which a plurality of primary particles are aggregated, the secondary particle having at least a portion of the primary particles radially arranged and comprising a lithium nickel-based composite oxide, and a boron coating layer on the surface of the secondary particle and including lithium borate; a negative electrode; a separator between the positive electrode and the negative electrode; an electrolyte including vinylene carbonate; and a case containing the positive electrode, the negative electrode, the separator, and the electrolyte.