公开(公告)号：US20200152986A1

公开(公告)日：2020-05-14

申请号：US16550482

申请日：2019-08-26

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

Inventor： Yonggun LEE ,  Toshinori SUGIMOTO ,  Saebom RYU ,  Yuichi AIHARA ,  Dongmin IM

IPC: H01M4/62 ,  H01M10/0562

Abstract: An all-solid secondary battery including: a cathode; an anode; and a solid electrolyte layer interposed between the cathode and the anode, wherein the cathode includes a cathode active material, wherein the anode includes an anode current collector and an anode active material layer on the anode current collector, wherein the anode active material layer includes a binder and an anode active material that does not include an alkali metal, wherein the binder includes a polymer main chain and a polyvinyl alcohol-containing copolymer, and wherein the polymer main chain includes polyvinyl alcohol, a polyvinyl alcohol derivative, or a combination thereof, and the polyvinyl alcohol-containing copolymer has at least one repeating unit linked to the polymer main chain.

公开(公告)号：US20190198865A1

公开(公告)日：2019-06-27

申请号：US16145925

申请日：2018-09-28

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

Inventor： Youngeal KIM ,  Ryounghee KIM ,  Seokgwang DOO ,  Satoshi MARUYAMA ,  Toshinori SUGIMOTO ,  Dongmin IM

IPC: H01M4/36 ,  H01M4/485 ,  H01M4/62 ,  H01M10/0525

CPC classification number: H01M4/366 ,  H01M4/485 ,  H01M4/628 ,  H01M10/0525 ,  H01M2004/027

Abstract: An anode, a lithium battery including the anode, and a method of preparing the anode. The anode includes a current collector; a first anode layer disposed on the current collector; a second anode layer disposed on the first anode layer; and an inorganic protection layer disposed on the second anode layer, wherein an oxidation/reduction potential of the first anode layer and an oxidation/reduction potential of the second anode layer are different from each other.

公开(公告)号：US20190190068A1

公开(公告)日：2019-06-20

申请号：US16120587

申请日：2018-09-04

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

Inventor： Yonggun LEE ,  Saebom RYU ,  Toshinori SUGIMOTO ,  Dongmin IM ,  Wonseok CHANG

IPC: H01M10/0565 ,  H01M10/052 ,  H01M10/058

CPC classification number: H01M10/0565 ,  H01M10/052 ,  H01M10/058 ,  H01M2300/0082

Abstract: A negative electrolyte for a lithium metal battery, the negative electrolyte including: a non-aqueous solvent comprising an ether solvent; a lithium salt having a concentration of about 1 molar to about 6 molar in the non-aqueous solvent; and a crosslinked product of a polymerizable oligomer, wherein the negative electrolyte has a gel or solid form.

公开(公告)号：US20190190005A1

公开(公告)日：2019-06-20

申请号：US16102162

申请日：2018-08-13

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

Inventor： Yonggun LEE ,  Saebom RYU ,  Toshinori SUGIMOTO ,  Dongmin IM ,  Wonseok CHANG

IPC: H01M4/134 ,  H01M10/052 ,  H01M10/0569 ,  H01M4/04 ,  H01M2/16

Abstract: A negative electrode for a metal battery, the negative electrode a metal substrate; and a protective layer disposed directly on at least a portion of the metal substrate, wherein the protective layer comprises an ion-conductive oligomer, wherein the ion-conductive oligomer comprises an ion-conductive structural unit in at least one of a main chain and a side chain of the an ion-conductive oligomer, and at least two hydrogen-bond-forming functional groups at different ends of the ion-conductive oligomer, and wherein the protective layer has a thickness of 5 micrometers or less.

公开(公告)号：US20190181435A1

公开(公告)日：2019-06-13

申请号：US16196030

申请日：2018-11-20

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

Inventor： Yonggun Lee ,  Saebom Ryu ,  Toshinori SUGIMOTO ,  Dongmin Im

IPC: H01M4/36 ,  H01M4/485 ,  H01M4/38 ,  H01M4/134 ,  H01M4/66 ,  H01M10/056 ,  H01M10/0525

Abstract: A composite electrolyte includes: a positively charged particle, a particle that is positively charged by having a coordinate bond with a cation, or a combination thereof; and a lithium salt.

公开(公告)号：US20180316051A1

公开(公告)日：2018-11-01

申请号：US15964157

申请日：2018-04-27

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

Inventor： Yonggun Lee ,  Saebom Ryu ,  Yooseong Yang ,  Toshinori SUGIMOTO ,  Taehwan Yu

IPC: H01M10/0525 ,  H01M4/1395 ,  H01M4/62 ,  H01M10/0569 ,  H01M4/134 ,  H01M2/14

CPC classification number: H01M2/1646 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1673 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/382 ,  H01M4/405 ,  H01M10/052 ,  H01M10/056 ,  H01M10/0562 ,  H01M10/0565 ,  H01M10/0585 ,  H01M2300/0065

Abstract: A negative electrode for a lithium metal battery, the negative electrode including: a lithium metal layer including lithium metal or a lithium metal alloy; and a protective layer on at least a portion of the lithium metal layer, wherein the protective layer includes a plurality of composite particles having a particle size of greater than about 1 micrometer to about 100 micrometers or less, wherein a composite particle of the plurality of composite particles comprises a particle comprising an organic particle, an inorganic particle, an organic-inorganic particle, or combination thereof; and a coating layer disposed on at least a portion of a surface of the particle, the coating layer including an ion conductive material including an ion conductive oligomer including an ion conductive unit, an ion conductive polymer including an ion conductive unit, or a combination thereof.