公开(公告)号：US10361425B2

公开(公告)日：2019-07-23

申请号：US15151558

申请日：2016-05-11

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

Inventor： Hongsoo Choi ,  Tomonobu Mizumo ,  Jinkyu Kim ,  Myungjin Lee ,  Yonggun Lee ,  Wonseok Chang

IPC: H01M4/52 ,  H01M4/134 ,  C08F212/08 ,  H01M10/0565 ,  C08L23/08 ,  C08F8/44 ,  C08F12/26 ,  H01M10/052

Abstract: A random copolymer including a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 2 in a molar ratio of about 1:99 to about 99:1, wherein the polymer has a degree of polymerization of about 10 to about 5,000: wherein CY1, CY2, A, X, R2, R3, R4, R5, R6, R7, and Y− are the same as defined in the detailed description.

公开(公告)号：US10290902B2

公开(公告)日：2019-05-14

申请号：US15398541

申请日：2017-01-04

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

Inventor： Wonseok Chang ,  Toshinori Sugimoto ,  Yonggun Lee ,  Hongsoo Choi ,  Hyorang Kang

IPC: H01M10/056 ,  H01M10/0568 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M10/058 ,  H01M4/134 ,  H01M10/052 ,  H01M4/38 ,  H01M4/40

Abstract: An electrolyte for a lithium metal battery, the electrolyte including: a solvated ionic liquid including a glyme solvent and a lithium salt, wherein an amount of the lithium salt is about 3 moles per liter or greater, and wherein a lithium metal battery including the electrolyte has an initial solution resistance of less than about 1 ohm and a bulk resistance of less than about 10 ohms. A lithium metal battery includes: a negative electrode including a lithium metal or a lithium metal alloy; a positive electrode; and the electrolyte. A method of manufacturing the lithium metal battery includes: mixing a glyme solvent and a lithium salt to obtain an electrolyte precursor; disposing the electrolyte precursor into the lithium metal battery; and performing hermetic immersion of the electrolyte precursor in the lithium metal battery to form the electrolyte.

公开(公告)号：US20170324097A1

公开(公告)日：2017-11-09

申请号：US15584430

申请日：2017-05-02

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

Inventor： Yonggun Lee ,  Saebom Ryu ,  Toshinori SUGIMOTO ,  Wonseok Chang

IPC: H01M4/62 ,  C09D4/06 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/40 ,  H01M4/525 ,  H01M4/38 ,  C08K3/30

Abstract: A negative electrode for a lithium metal battery, the negative electrode including: a lithium metal electrode comprising lithium metal or a lithium metal alloy; and a protective layer on at least a portion of the lithium metal electrode, wherein the protective layer has a Young's modulus of about 106 Pascals or greater, wherein the protective layer includes at least one first particle, wherein the first particle includes an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, and wherein the first particle has a particle size of greater than 1 micrometer to about 100 micrometers, and a crosslinked material comprising a polymerizable oligomer, which is disposed between first particles of the at least one first particle.

公开(公告)号：US20170317352A1

公开(公告)日：2017-11-02

申请号：US15581072

申请日：2017-04-28

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

Inventor： Yonggun Lee ,  Saebom Ryu ,  Toshinori SUGIMOTO ,  Yooseong Yang ,  Wonseok Chang ,  Joonseon Jeong

IPC: H01M4/62 ,  H01M10/0569 ,  H01M10/0568 ,  H01M4/1395 ,  H01M4/134 ,  H01M4/40 ,  H01M4/38 ,  H01M10/0525 ,  H01M10/0565

CPC classification number: H01M4/62 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/366 ,  H01M4/382 ,  H01M4/405 ,  H01M4/622 ,  H01M4/628 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0585 ,  H01M10/4235 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2220/20 ,  Y02E60/122 ,  Y02T10/7011

Abstract: A negative electrode for a lithium metal battery including: a lithium metal electrode including a lithium metal or a lithium metal alloy; and a protective layer on at least portion of the lithium metal electrode, wherein the protective layer has a Young's modulus of about 106 pascals or greater and includes at least one particle having a particle size of greater than 1 micrometer to about 100 micrometers, and wherein the at least one particle include an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof.

公开(公告)号：US20170117536A1

公开(公告)日：2017-04-27

申请号：US15151558

申请日：2016-05-11

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

Inventor： Hongsoo Choi ,  Tomonobu MIZUMO ,  Jinkyu Kim ,  Myungjin Lee ,  Yonggun Lee ,  Wonseok Chang

IPC: H01M4/134 ,  H01M4/131 ,  H01M4/525 ,  H01M4/38 ,  H01M4/62 ,  H01M4/66 ,  H01M4/1391 ,  H01M4/04 ,  H01M4/1395 ,  H01M2/16 ,  H01M10/0525 ,  H01M10/0585 ,  H01M10/0569 ,  H01M10/0568 ,  H01M10/0565 ,  C08F212/08

CPC classification number: H01M4/134 ,  C08F8/44 ,  C08F12/26 ,  C08F212/08 ,  C08L23/0876 ,  H01M10/052 ,  H01M10/0565 ,  C08F212/14 ,  C08F212/32

Abstract: A random copolymer including a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 2 in a molar ratio of about 1:99 to about 99:1, wherein the polymer has a degree of polymerization of about 10 to about 5,000: wherein CY1, CY2, A, X, R2, R3, R4, R5, R6, R7, and Y− are the same as defined in the detailed description.

公开(公告)号：US11575128B2

公开(公告)日：2023-02-07

申请号：US16675359

申请日：2019-11-06

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

Inventor： Hongsoo Choi ,  Hyeokjo Gwon ,  Soyeon Kim ,  Hyunseok Kim ,  Wonseok Chang

IPC: H01M4/38 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0565 ,  H01M10/0525 ,  C08F12/26 ,  H01M4/02

Abstract: A positive electrode includes a composite material including a positive active material and a coating layer on a surface of the positive active material, wherein the coating layer includes a copolymer including a first repeating unit represented by Formula 1 below and a second repeating unit represented by Formula 2 below: wherein Ar1, R1 to R6, A, A1, Y−, m, and n are the same as defined in the specification.

公开(公告)号：US20220115640A1

公开(公告)日：2022-04-14

申请号：US17474125

申请日：2021-09-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Toshinori SUGIMOTO ,  Junhwan Ku ,  Youngeal Kim ,  Wonseok Chang

IPC: H01M4/133 ,  H01M4/134 ,  H01M4/587 ,  H01M4/58 ,  H01M4/136 ,  H01M4/38 ,  H01M4/42 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/1397 ,  H01M4/04 ,  H01M10/052 ,  H01M10/0562 ,  H01M10/44 ,  H02J7/00

Abstract: An all-solid secondary battery includes: a positive electrode including a positive electrode active material layer; a negative electrode including a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector; and a solid electrolyte layer between the positive electrode active material layer and the negative electrode active material layer, wherein the negative electrode active material layer includes first particles including a carbon material, and second particles including a metallic material that does not alloy with lithium metal.

公开(公告)号：US11133532B2

公开(公告)日：2021-09-28

申请号：US16230878

申请日：2018-12-21

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

Inventor： Wonseok Chang ,  Hyorang Kang ,  Toshinori Sugimoto

IPC: H01M10/0585 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/0566 ,  H01M4/38 ,  H01M10/0569 ,  H01M10/0562 ,  H01M4/134 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/40 ,  H01M50/411 ,  H01M50/449

Abstract: A membrane-electrode assembly for a lithium battery includes: a cathode including a cathode current collector and a composite cathode active material layer on the cathode current collector, wherein the composite cathode active material layer includes a cathode active material and a first electrolyte including a high concentration lithium salt and a first ionic liquid; an electrolyte reservoir layer on a surface of the cathode, wherein the electrolyte reservoir layer includes a second electrolyte including a polymer and a second ionic liquid; and a solid electrolyte on a surface of the electrolyte reservoir layer.

公开(公告)号：US11063292B2

公开(公告)日：2021-07-13

申请号：US15840168

申请日：2017-12-13

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

Inventor： Yonggun Lee ,  Saebom Ryu ,  Taehwan Yu ,  Wonseok Chang

IPC: H01M10/0562 ,  H01M10/052 ,  H01M4/62 ,  H01M4/04 ,  H01M10/42 ,  H01M50/46 ,  H01M50/411 ,  H01M50/431 ,  H01M50/446 ,  H01M50/449

Abstract: A composite electrolyte structure includes: a protective layer having a Young's modulus of about 106 pascals or greater and including a first particle, the first particle including an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, wherein the particle in the protective layer has a particle size of greater than 1 micrometer to about 100 micrometers, and a solid electrolyte layer including a second particle including an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, wherein the second particle has a particle size of greater than 1 micrometer to about 100 micrometers, wherein the first particle and the second particle are the same or different, and wherein the protective layer is on the solid electrolyte layer.

公开(公告)号：US10854879B2

公开(公告)日：2020-12-01

申请号：US16101783

申请日：2018-08-13

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

Inventor： Hongsoo Choi ,  Dongjin Lee ,  Wonseok Chang

IPC: H01M4/60 ,  H01M10/052 ,  H01M4/62 ,  C08L33/04 ,  H01M2/16 ,  H01M4/38 ,  H01M4/02 ,  C08F220/28 ,  H01M4/13 ,  H01M10/0525

Abstract: A composite membrane for a lithium battery, a cathode for a lithium battery, and a lithium battery including the composite membrane. The composite membrane includes a copolymer including a first repeating unit represented by Formula 1 and a second repeating unit represented by Formula 2: wherein Ar1, R1, R2, R3, A, Y−, and m in Formula 1, and R4 to R7, a, and n in Formula 2, are the same as defined in the specification.