Samsung Sdi Co., Inc.

Seungtae Lee

Myungheui Woo

Harim Lee

Miyoung Son

Woocheol Shin

Siyoung Cha

Jaehong Kim

Myunghwan Jeong

Suyeol Ryu

Yunhee Kim

Kyoungsoo Kim

Hana Ra

Sunjoo Choi

Aeran Kim

Hyunbong Choi

AeHui Goh

Soojin Kim

Minju Lee

Pavel Shatunov

Olga Tsay

Vladimir Egorov

Taehyun Bae

MiYoung Son

Myunghoon Kim

Aehui Goh

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 A, A, A, and Ais independently a covalent bond, a substituted or unsubstituted C-Calkylene group, a carbonyl group, or a sulfinyl group, in which both Aand Aare not a covalent bond and both Aand Aare not a covalent bond.

Lithium battery

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: 

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.

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.

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: 

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: 

An organic electrolytic solution, including 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.

Organic electrolytic solution and lithium battery including the same

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: 

An organic electrolyte solution and a lithium battery, the organic electrolyte solution including an organic solvent; a lithium salt; a first compound, the first compound being represented by Formula 1 or Formula 2; and a second compound, the second compound being a succinonitrile-based compound represented by Formula 3: 

Organic electrolyte solution and lithium battery including organic electrolyte solution

An electrolyte for a lithium battery and a lithium battery including the electrolyte, the electrolyte including a compound represented by Formula 1; and LiPOF, wherein, in Formula 1, Rand Rare each independently a substituted or unsubstituted C1-C10 alkyl group or -L-CN; and L and Lare 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.

Electrolyte for lithium battery and lithium battery including the same

An electrolyte for a lithium battery includes an organic solvent; and a compound represented by Formula 1: wherein, in Formula 1, Xto X, Ato A, and Rto Rare further defined in the specification.

Electrolyte for lithium battery and lithium battery including the electrolyte

Provided is an organic electrolyte solution that includes a lithium salt, an organic solvent, and a sulfonate ester-based compound represented by Formula 1:R&#x2014;O&#x2014;S(&#x2550;O)&#x2014;R&#x2003;&#x2003;&#x3c;Formula 1&#x3e;

Organic electrolytic solution and lithium battery using the same

An electrolyte for a lithium battery and a lithium battery including the electrolyte, the electrolyte including a compound represented by Formula 1 below: 

In an aspect, an electrolyte additive and an electrolyte for a lithium battery and a lithium battery including the electrolyte additive is provided. The electrolyte additive includes a sulfone compound wherein the sulfonyl group is directly bonded to a halide group and an electron withdrawing group.

Electrolyte additive for lithium battery, electrolyte for lithium battery, and lithium battery including the electrolyte additive

An electrolyte for a lithium battery and a lithium battery including the electrolyte. The electrolyte is employed in the lithium battery so as to improve cycle characteristics of the lithium battery that is operable at high voltages.

Growing community of inventors

Yongin-si, South Korea

Seungtae Lee