公开(公告)号：US11264644B2

公开(公告)日：2022-03-01

申请号：US16135342

申请日：2018-09-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Miyoung Son ,  Kyoungsoo Kim ,  Yunhee Kim ,  Jaehong Kim ,  Hana Ra ,  Suyeol Ryu ,  Myunghwan Jeong ,  Sunjoo Choi ,  Myungheui Woo ,  Seungtae Lee ,  Harim Lee ,  Siyoung Cha

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M10/42 ,  H01M10/0568 ,  C07D497/10 ,  H01M10/0525 ,  H01M10/052 ,  H01M4/525

Abstract: A lithium battery includes a cathode including a cathode active material, an anode including an anode active material, and an organic electrolytic solution between the cathode and the anode. The organic electrolytic solution includes a first lithium salt, a second lithium salt different from the first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, wherein both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.

公开(公告)号：US11114694B2

公开(公告)日：2021-09-07

申请号：US16135371

申请日：2018-09-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Miyoung Son ,  Kyoungsoo Kim ,  Yunhee Kim ,  Jaehong Kim ,  Hana Ra ,  Suyeol Ryu ,  Myunghwan Jeong ,  Sunjoo Choi ,  Myungheui Woo ,  Seungtae Lee ,  Harim Lee ,  Siyoung Cha

IPC: H01M10/0567 ,  H01M10/42 ,  H01M10/0525 ,  C07D497/10 ,  H01M10/052 ,  H01M4/525 ,  H01M10/0568 ,  H01M4/02 ,  H01M10/0569

Abstract: A lithium battery includes a cathode including a cathode active material, an anode including an anode active material, and an organic electrolytic solution between the cathode and the anode. The organic electrolytic solution includes a first lithium salt, an organic solvent, an oligomer compound, and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.

公开(公告)号：US20190020066A1

公开(公告)日：2019-01-17

申请号：US16135395

申请日：2018-09-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Miyoung Son ,  Kyoungsoo Kim ,  Yunhee Kim ,  Jaehong Kim ,  Hana Ra ,  Suyeol Ryu ,  Myunghwan Jeong ,  Sunjoo Choi ,  Myungheui Woo ,  Seungtae Lee ,  Harim Lee ,  Siyoung Cha

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/42 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/525 ,  C07D497/10

Abstract: A lithium battery includes a cathode including a cathode active material, an anode including an anode active material, and an organic electrolytic solution between the cathode and the anode, wherein the organic electrolytic solution includes a first lithium salt, a second lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond. The second lithium salt includes at least one selected from LiCF3SO3, Li(CF3SO2)2N, LiC4F9SO3, Li(FSO2)2N, and LiN(CxF2x+1SO2)(CyF2y+1SO2) where 2≤x≤20 and 2≤y≤20.

公开(公告)号：US11145900B2

公开(公告)日：2021-10-12

申请号：US16135420

申请日：2018-09-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Miyoung Son ,  Kyoungsoo Kim ,  Yunhee Kim ,  Jaehong Kim ,  Hana Ra ,  Suyeol Ryu ,  Myunghwan Jeong ,  Sunjoo Choi ,  Myungheui Woo ,  Seungtae Lee ,  Harim Lee ,  Siyoung Cha

IPC: H01M10/0567 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/62 ,  C07D497/10 ,  H01M10/42 ,  H01M10/052 ,  H01M4/131 ,  H01M10/0568 ,  H01M4/02 ,  B82Y30/00

Abstract: A lithium battery includes a cathode including a cathode active material an anode including an anode active material and an organic electrolytic solution between the cathode and the anode, wherein the cathode includes a carbonaceous nanostructure, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.

公开(公告)号：US20250140872A1

公开(公告)日：2025-05-01

申请号：US18752495

申请日：2024-06-24

Applicant: Samsung SDI Co., Ltd.

Inventor： Donghyun Shin ,  Jaehong Kim ,  Hyejin Kwon ,  Jungwook Cha

IPC: H01M4/74 ,  H01M4/02 ,  H01M4/62 ,  H01M4/66 ,  H01M10/0525

Abstract: An electrode and a lithium battery including the same are provided. The electrode includes an electrode active material layer and two or more electrode current collectors arranged along a thickness direction within the electrode active material layer, wherein the two or more electrode current collectors include an upper electrode current collector adjacent a top surface of the electrode active material layer; and a lower electrode current collector adjacent a bottom surface of the electrode active material layer, wherein the electrode active material layer includes an internal electrode active material layer between the upper electrode current collector and the lower electrode current collector; and an external electrode active material layer outside of the upper electrode current collector and the lower electrode current collector, and wherein the two or more electrode current collectors include a porous structure.

公开(公告)号：US11637322B2

公开(公告)日：2023-04-25

申请号：US16135301

申请日：2018-09-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Miyoung Son ,  Kyoungsoo Kim ,  Yunhee Kim ,  Jaehong Kim ,  Hana Ra ,  Suyeol Ryu ,  Myunghwan Jeong ,  Sunjoo Choi ,  Myungheui Woo ,  Seungtae Lee ,  Harim Lee ,  Siyoung Cha

IPC: H01M10/0569 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0567

Abstract: A lithium battery includes a cathode including a cathode active material; an anode including an anode active material; and an organic electrolytic solution between the cathode and the anode. The cathode active material includes a nickel-containing layered lithium transition metal oxide. A content of nickel in the lithium transition metal oxide is about 60 mol % or more with respect to a total number of moles of transition metals. The organic electrolytic solution includes a first lithium salt; an organic solvent; and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.

公开(公告)号：US11335952B2

公开(公告)日：2022-05-17

申请号：US16135395

申请日：2018-09-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Miyoung Son ,  Kyoungsoo Kim ,  Yunhee Kim ,  Jaehong Kim ,  Hana Ra ,  Suyeol Ryu ,  Myunghwan Jeong ,  Sunjoo Choi ,  Myungheui Woo ,  Seungtae Lee ,  Harim Lee ,  Siyoung Cha

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/42 ,  H01M10/0568 ,  C07D497/10 ,  H01M4/02 ,  H01M4/525 ,  H01M10/0569

Abstract: A lithium battery includes a cathode including a cathode active material, an anode including an anode active material, and an organic electrolytic solution between the cathode and the anode, wherein the organic electrolytic solution includes a first lithium salt, a second lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond. The second lithium salt includes at least one selected from LiCF3SO3, Li(CF3SO2)2N, LiC4F9SO3, Li(FSO2)2N, and LiN(CxF2x+1SO2)(CyF2y+1SO2) where 2≤x≤20 and 2≤y≤20.

公开(公告)号：US11264645B2

公开(公告)日：2022-03-01

申请号：US16135403

申请日：2018-09-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Miyoung Son ,  Kyoungsoo Kim ,  Yunhee Kim ,  Jaehong Kim ,  Hana Ra ,  Suyeol Ryu ,  Myunghwan Jeong ,  Sunjoo Choi ,  Myungheui Woo ,  Seungtae Lee ,  Harim Lee ,  Siyoung Cha

IPC: H01M10/0567 ,  H01M4/36 ,  H01M4/48 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0569 ,  C07D497/10 ,  H01M10/42 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0568 ,  H01M4/02 ,  B82Y30/00

Abstract: A lithium battery includes a cathode including a cathode active material, an anode including an anode active material, and an organic electrolytic solution between the cathode and the anode. The anode active material includes a metal-based anode active material. The organic electrolytic solution includes a first lithium salt; an organic solvent; and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, wherein both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.

公开(公告)号：US11251432B2

公开(公告)日：2022-02-15

申请号：US16135349

申请日：2018-09-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Miyoung Son ,  Kyoungsoo Kim ,  Yunhee Kim ,  Jaehong Kim ,  Hana Ra ,  Suyeol Ryu ,  Myunghwan Jeong ,  Sunjoo Choi ,  Myungheui Woo ,  Seungtae Lee ,  Harim Lee ,  Siyoung Cha

IPC: H01M4/583 ,  H01M10/0569 ,  H01M10/052 ,  C07D497/10 ,  H01M10/0525 ,  C07F9/6571 ,  H01M10/0567 ,  H01M4/525 ,  C07F1/02 ,  C07F9/655 ,  C07F5/02 ,  C07F9/06 ,  H01M4/587 ,  H01M10/0568

Abstract: A lithium battery includes a cathode including a cathode active material; an anode including an anode active material; and an organic electrolytic solution between the cathode and the anode, wherein the anode active material includes natural graphite and artificial graphite, an amount of the artificial graphite being about 50 wt % or more based on a total weight of the anode active material, and the organic electrolytic solution includes: a first lithium salt; an organic solvent; and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.

公开(公告)号：US11223044B2

公开(公告)日：2022-01-11

申请号：US16135349

申请日：2018-09-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Miyoung Son ,  Kyoungsoo Kim ,  Yunhee Kim ,  Jaehong Kim ,  Hana Ra ,  Suyeol Ryu ,  Myunghwan Jeong ,  Sunjoo Choi ,  Myungheui Woo ,  Seungtae Lee ,  Harim Lee ,  Siyoung Cha

IPC: H01M4/583 ,  H01M10/0569 ,  H01M10/052 ,  C07D497/10 ,  H01M10/0525 ,  C07F9/6571 ,  H01M10/0567 ,  H01M4/525 ,  C07F1/02 ,  C07F9/655 ,  C07F5/02 ,  C07F9/06 ,  H01M4/587 ,  H01M10/0568

Abstract: A lithium battery includes a cathode including a cathode active material; an anode including an anode active material; and an organic electrolytic solution between the cathode and the anode, wherein the anode active material includes natural graphite and artificial graphite, an amount of the artificial graphite being about 50 wt % or more based on a total weight of the anode active material, and the organic electrolytic solution includes: a first lithium salt; an organic solvent; and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.