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：US20130344386A1

公开(公告)日：2013-12-26

申请号：US13761449

申请日：2013-02-07

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Do-Yu KIM ,  Jin-Hyoung SEO ,  Mi-Ran SONG ,  Yong-Chul PARK ,  Gyeong-Jae HEO ,  Hyun-Deok LEE ,  Yong-Seon KIM ,  Min-Ju KIM ,  Na-Leum YOO

IPC: H01M4/525 ,  H01M4/131

CPC classification number: H01M4/525 ,  C01G53/006 ,  C01G53/50 ,  C01G53/66 ,  C01P2002/52 ,  C01P2004/03 ,  C01P2004/62 ,  C01P2004/64 ,  H01M4/131

Abstract: A positive active material for a lithium secondary battery is a compound represented by Formula 1 and is in a form of primary particles having a particle diameter in a range of 80 to 400 nm. Formula 1: LiaNixCoyMnzM1-x-y-zO2, wherein metal M is selected from the group of B, Cr, V, Ti, Fe, Zr, Zn, Si, Y, Nb, Ga, Sn, Mo, and W, 1.0≦a≦1.2, 0.9≦x≦0.95, 0.1≦y≦0.5, 0.0≦z≦0.7, and 0.0

Abstract translation: 锂二次电池用正极活性物质是由式1表示的化合物，其粒径为80〜400nm的一次粒子的形式。 式1：LiaNixCoyMnzM1-xy-zO2，其中金属M选自B，Cr，V，Ti，Fe，Zr，Zn，Si，Y，Nb，Ga，Sn，Mo和W，1.0@a @ 1.2，0.9 @ x @ 0.95,0.1 @ y @ 0.5,0.0 @ z @ 0.7和0.0 <1-xyz@0.3。

公开(公告)号：US20230352658A1

公开(公告)日：2023-11-02

申请号：US18150097

申请日：2023-01-04

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M4/36 ,  H01M4/62 ,  H01M4/525 ,  H01M4/04 ,  H01M50/46 ,  H01M10/0525

CPC classification number: H01M4/364 ,  H01M4/62 ,  H01M4/525 ,  H01M4/0471 ,  H01M50/46 ,  H01M10/0525 ,  H01M2004/028

Abstract: A method of preparing a positive electrode active material for a rechargeable lithium battery is provided to include: mixing a first nickel-based composite hydroxide in a form of a secondary particle in which a plurality of primary particles are aggregated and at least a portion of the primary particles have a radially arranged structure, a second lithium nickel-based composite oxide having a monolith structure, a lithium raw material, and a boron raw material; and performing heat-treatment.

公开(公告)号：US20230178864A1

公开(公告)日：2023-06-08

申请号：US18060791

申请日：2022-12-01

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M50/578 ,  H01M10/052 ,  H01M10/0567 ,  H01M50/124 ,  H01M50/117 ,  H01M50/164 ,  H01M50/157 ,  H01M4/525 ,  H01M4/36 ,  H01M4/58

CPC classification number: H01M50/578 ,  H01M4/366 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052 ,  H01M10/0567 ,  H01M50/117 ,  H01M50/157 ,  H01M50/164 ,  H01M50/1243 ,  H01M2004/028 ,  H01M2200/20

Abstract: A rechargeable lithium battery includes: a positive electrode; a negative electrode; a separator between the positive electrode and the negative electrode; an electrolyte including vinylene carbonate; and a case accommodating the positive electrode, the negative electrode, the separator, and the electrolyte. At least in a portion of an interior of the case has a coating portion containing lithium borate particles.

公开(公告)号：US20230327101A1

公开(公告)日：2023-10-12

申请号：US17989547

申请日：2022-11-17

Applicant: SAMSUNG SDI CO., LTD

Inventor： Pilsang YUN ,  Hyunbeom KIM ,  Hanseul LEE ,  Do-Yu KIM ,  Yongchan YOU

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/131

CPC classification number: H01M4/525 ,  C01G53/42 ,  H01M4/131 ,  H01M2004/028

Abstract: A positive electrode active material for a rechargeable lithium battery, and a rechargeable lithium battery including the same are provided. The positive electrode active material includes a lithium nickel-based composite oxide wherein the positive electrode active material is in a form of secondary particles in which a plurality of primary particles are aggregated and at least a portion of the primary particles are radially arranged, in a cross-section of the secondary particles, a number ratio of the primary particles having a cross-sectional area of less than about 0.1 µm2 is greater than or equal to about 65%, and a full width at half maximum (FWHM) of the peak corresponding to the (003) plane in the X-ray diffraction analysis for the positive electrode active material is less than or equal to about 0.125.

公开(公告)号：US20230307695A1

公开(公告)日：2023-09-28

申请号：US18081543

申请日：2022-12-14

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0525 ,  H01M10/0562 ,  H01M4/525 ,  H01M4/62 ,  H01M4/1391 ,  H01M4/04

CPC classification number: H01M10/0525 ,  H01M10/0562 ,  H01M4/525 ,  H01M4/621 ,  H01M4/1391 ,  H01M4/0471 ,  H01M2300/0068 ,  H01M2004/021

Abstract: A positive electrode for an all-solid-state battery, a method of preparing the same, and an all-solid-state battery including the same are provided. The positive electrode for an all-solid-state battery includes a positive electrode active material including a first positive electrode active material including a lithium nickel-based composite oxide and being in a form of secondary particles in which a plurality of primary particles are aggregated and at least a portion of the primary particles are radially arranged; a second positive electrode active material including a lithium nickel-based composite oxide and being in a form of single particles; a solid electrolyte; a conductive agent; and a binder.

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.

公开(公告)号：US20210043931A1

公开(公告)日：2021-02-11

申请号：US16985567

申请日：2020-08-05

Applicant: Samsung SDI Co., Ltd.

Inventor： Do-Yu KIM

IPC: H01M4/525 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/58 ,  H01M4/04

Abstract: An embodiment provides a positive active material precursor for a rechargeable lithium battery including: a nickel-based composite precursor including a secondary particle comprising a plurality of primary particles that are aggregated together, the nickel-based composite precursor having a central portion and a surface portion, and the central portion of the nickel-based composite precursor including a phosphate.