公开(公告)号：US20220407055A1

公开(公告)日：2022-12-22

申请号：US17887613

申请日：2022-08-15

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sunjoo CHOI ,  Yunhee KIM ,  Sujeong KOH ,  Seungtae LEE ,  Siyoung CHA ,  Miyoung SON ,  Minju LEE ,  Myungheui WOO ,  Jinhyeok LIM ,  Jinah SEO ,  Harim LEE ,  Erang CHO

IPC: H01M4/36 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0568 ,  H01M4/525 ,  H01M4/505 ,  C07D327/10

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 cathode active material includes a first lithium transition metal oxide and a second lithium transition metal oxide, the first lithium transition metal oxide and the second lithium transition metal oxide have different particle diameters, the second lithium transition metal oxide includes primary particles having a particle diameter of about 1 μm or more, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below:

公开(公告)号：US20190020068A1

公开(公告)日：2019-01-17

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 ,  H01M10/42 ,  H01M10/0568 ,  H01M4/62 ,  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 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：US20220407113A1

公开(公告)日：2022-12-22

申请号：US17887621

申请日：2022-08-15

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Erang CHO ,  Yunhee KIM ,  Sujeong KOH ,  Seungtae LEE ,  Sunjoo CHOI ,  Siyoung CHA ,  Miyoung SON ,  Minju LEE ,  Myungheui WOO ,  Jinhyeok LIM ,  Jinah SEO ,  Harim LEE

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/052 ,  H01M4/525 ,  H01M4/505 ,  C07D327/10 ,  C07F9/6571 ,  C07F5/04 ,  C01G53/00

Abstract: An organic electrolytic solution includes a first lithium salt; an organic solvent; a bicyclic sulfate-based compound represented by Formula 1 below; and a monocyclic phosphate-based compound represented by Formula K1 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, and in Formula K1, each of A5 and A6 is independently a substituted or unsubstituted C1-C5 alkylene group.

公开(公告)号：US20190020065A1

公开(公告)日：2019-01-17

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 ,  H01M4/525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/42 ,  H01M10/0525 ,  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. 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：US20220407054A1

公开(公告)日：2022-12-22

申请号：US17887591

申请日：2022-08-15

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jinhyeok LIM ,  Yunhee KIM ,  Sujeong KOH ,  Seungtae LEE ,  Sunjoo CHOI ,  Siyoung CHA ,  Miyoung SON ,  Minju LEE ,  Myungheui WOO ,  Jinah SEO ,  Harim LEE ,  Erang CHO

IPC: H01M4/36 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0568 ,  H01M4/587 ,  H01M4/38 ,  C07D327/10

Abstract: A lithium battery includes a cathode; an anode; and an organic electrolytic solution between the cathode and the anode, wherein the anode includes an anode current collector and an anode active material layer on the anode current collector, the anode active material layer includes carbonaceous and silicon-containing composite anode active materials, the anode active material layer includes first and second anode active material layers, and the first anode active material layer is between the anode current collector and the second anode active material layer, a content of silicon in the first anode active material layer is higher than the second anode active material layer, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below:

公开(公告)号：US20190020064A1

公开(公告)日：2019-01-17

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 ,  H01M10/0525 ,  H01M10/0568 ,  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. 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：US20170237122A1

公开(公告)日：2017-08-17

申请号：US15430703

申请日：2017-02-13

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seungtae LEE ,  Aeran KIM ,  Miyoung SON ,  Hyunbong CHOI ,  Aehui GOH ,  Woocheol SHIN ,  Myungheui WOO ,  Harim LEE

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M4/525 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/0025 ,  H01M2300/0028

Abstract: An electrolyte for a lithium battery and a lithium battery including the electrolyte, the electrolyte including a compound represented by Formula 1; and LiPO2F2, wherein, in Formula 1, R1 and R2 are each independently a substituted or unsubstituted C1-C10 alkyl group or -L1-CN; and L and L1 are each independently a substituted or unsubstituted C1-C5 alkylene group, a substituted or unsubstituted C6-C10 arylene group, or a substituted or unsubstituted C3-C20 heteroarylene group.

公开(公告)号：US20170125843A1

公开(公告)日：2017-05-04

申请号：US15225860

申请日：2016-08-02

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seungtae LEE ,  Hyunbong CHOI ,  Miyoung SON ,  Aeran KIM ,  Myungheui WOO ,  Harim LEE ,  Aehui GOH

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/131

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/0025

Abstract: A lithium battery including a positive electrode, the positive electrode including a lithium-nickel-based composite compound that contains about 50 mol % to about 100 mol % of nickel; a negative electrode; and an electrolyte, wherein the electrolyte includes a lithium salt and a compound represented by the following Formula 1:

公开(公告)号：US20220407058A1

公开(公告)日：2022-12-22

申请号：US17887597

申请日：2022-08-15

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jinah SEO ,  Yunhee KIM ,  Sujeong KOH ,  Seungtae LEE ,  Sunjoo CHOI ,  Siyoung CHA ,  Miyoung SON ,  Minju LEE ,  Myungheui WOO ,  Jinhyeok LIM ,  Harim LEE ,  Erang CHO

IPC: H01M4/48 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/36 ,  H01M4/583

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 a carbonaceous anode active material and a metallic anode active material, in an XRD spectrum of the anode, a peak intensity ratio (la/lb) of a peak intensity (la) of a carbonaceous anode active material oriented in a direction non-parallel to a surface of the anode to all peak intensities (lb) of the carbonaceous anode active material oriented in all directions is about 0.15 or more, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below:

公开(公告)号：US20190020071A1

公开(公告)日：2019-01-17

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: H01M10/0569 ,  H01M10/052 ,  H01M4/525 ,  H01M4/583 ,  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 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.