公开(公告)号：US20230275265A1

公开(公告)日：2023-08-31

申请号：US18313587

申请日：2023-05-08

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyunseok KIM ,  Saebom RYU ,  Seoksoo LEE ,  Soyeon KIM

IPC: H01M10/0562 ,  C01D15/00 ,  H01M4/36 ,  H01M4/485 ,  H01M10/052 ,  H01M10/0585

CPC classification number: H01M10/0562 ,  C01D15/00 ,  H01M4/366 ,  H01M4/485 ,  H01M10/052 ,  H01M10/0585 ,  C01P2002/74 ,  C01P2006/40 ,  H01M2300/008

Abstract: A solid electrolyte includes a compound having an argyrodite crystal structure represented by Formula 1,


LiaMxPSbBrcXd.  Formula 1

wherein Formula 1,



M is Na, K, Fe, Mg, Ca, Ag, Cu, Zr, Zn, or a combination thereof;
X is Cl, I, or a combination thereof; and
0≤x 4.

公开(公告)号：US20230291004A1

公开(公告)日：2023-09-14

申请号：US18013127

申请日：2021-09-17

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seoksoo LEE ,  Junhwan KU

IPC: H01M10/0562 ,  C01B25/14

CPC classification number: H01M10/0562 ,  C01B25/14 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/40 ,  H01M2300/008

Abstract: Disclosed herein are a solid ion conductor compound includinga compound that is represented by Formula 1 and has an argyrodite-type crystal structure, an ion conductivity of 3 mS/cm or more at 25° C., and an average particle diameter of 0.1 µm to 7 µm, a solid electrolyte including the solid ion conductor compound, an electrochemical cell including the solid ion conductor compound, and a method of preparing the solid ion conductor compound.





In Formula 1,

M1 is at least one metal element selected from Group 1 to 15 elements, except for Li, in the Periodic Table,
M2 is at least one element selected from Group 17 elements in the Periodic Table,
M3 isSOn, and
4≤a≤8, 0≤x

公开(公告)号：US20230275261A1

公开(公告)日：2023-08-31

申请号：US18013079

申请日：2021-07-13

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Junhwan KU ,  Seoksoo LEE ,  Youngsin PARK ,  Toshinori SUGIMOTO

IPC: H01M10/0562

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

Abstract: Provided are an all-solid secondary battery and a method of manufacturing the same, the all-solid secondary battery including: an anode layer; a cathode layer; and a solid electrolyte layer between the anode layer and the cathode layer, wherein the cathode layer contains a large-particle cathode active material, a small-diameter cathode active material, and a solid electrolyte, the solid electrolyte layer includes a first solid electrolyte layer adjacent to the cathode layer and containing a first solid electrolyte, and a second solid electrolyte layer adjacent to the anode layer and containing a second electrolyte, the second solid electrolyte has a larger size than the solid electrolyte of the cathode layer or the first solid electrolyte, and the second solid electrolyte has higher ion conductivity than the first solid electrolyte.

公开(公告)号：US20230084324A1

公开(公告)日：2023-03-16

申请号：US17797917

申请日：2021-01-14

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Saebom RYU ,  Hyunseok KIM ,  Seoksoo LEE ,  Soyeon KIM ,  Shintaro KITAJIMA

IPC: H01M4/62 ,  H01M4/36 ,  H01M4/583 ,  H01M4/04 ,  H01M4/40

Abstract: Disclosed are a solid ion conductor compound represented by Formula 1, and having an argyrodite-type crystal structure, a solid electrolyte and an electrochemical cell each comprising the same, and a method of preparing the same: LixPyM1vSzM2wM3w′   where in the above formula, M1 is an element substituted at P sites and having a larger ionic radius than that of P, M2 and M3 are different elements selected from elements of Group 17 in the periodic table, and 4≤x≤8, 0

公开(公告)号：US20210135278A1

公开(公告)日：2021-05-06

申请号：US17036266

申请日：2020-09-29

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyunseok KIM ,  Saebom RYU ,  Seoksoo LEE ,  Soyeon KIM

IPC: H01M10/0562 ,  H01M4/36 ,  H01M4/485 ,  H01M10/052 ,  H01M10/0585 ,  C01D15/00

Abstract: A solid electrolyte includes a compound having an argyrodite crystal structure represented by Formula 1, LiaMxPSbBrcXd.  Formula 1 wherein Formula 1, M is Na, K, Fe, Mg, Ca, Ag, Cu, Zr, Zn, or a combination thereof; X is Cl, I, or a combination thereof; and 0≤x 4.

公开(公告)号：US20180115006A1

公开(公告)日：2018-04-26

申请号：US15791540

申请日：2017-10-24

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Myungjin LEE ,  Seoksoo LEE ,  Taehwan YU

IPC: H01M8/1018 ,  C08G65/40 ,  C08G65/48 ,  C08G65/00 ,  C08J3/24 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0585 ,  C08K5/435 ,  H01M4/134 ,  H01M4/38

CPC classification number: H01M8/1018 ,  C08F220/20 ,  C08G65/007 ,  C08G65/40 ,  C08G65/48 ,  C08J3/24 ,  C08J5/00 ,  C08K5/435 ,  H01M4/134 ,  H01M4/382 ,  H01M4/623 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0585 ,  H01M2300/0082

Abstract: A polymer electrolyte including a copolymer having at least one first repeating unit represented by Formula 1 and at least one second repeating unit represented by Formula 2: wherein, R1 to R4, L1, and m in Formula 1 and R5 to R7, L2, G and n in Formula 2 are the same as defined in the specification.