Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

Myongchun Koh

Insun Park

Jinah Seo

Dongyoung Kim

Yeonji Chung

Eunha Park

Yoonsok Kang

Jihyun Jang

Hosang Park

Basab Roy

Seo Jinah

An electrolyte and a lithium secondary battery including the same. The electrolyte includes a lithium salt; an organic solvent; and at least one siloxane compound represented by Formula 1 or Formula 2, wherein an amount of the at least one siloxane compound is about 0.05 wt % to about 20 wt % based on a total weight of the electrolyte. In Formulae 1 and 2, group substituents and number indices are as defined in the specification.

Electrolyte containing siloxane compound and lithium secondary battery including the electrolyte

A lithium battery including: a cathode; an anode; and an electrolyte between the cathode and the anode, wherein the electrolyte includes a lithium salt and a non-aqueous solvent including ethylene carbonate (EC), an amount of the EC per 100 parts by volume of the non-aqueous solvent is about 5 parts by volume to about 15 parts by volume, and wherein the cathode includes a cathode active material represented by Formula 1,LiNiMOA&#x2003;&#x2003;Formula 1

Lithium battery

A lithium secondary battery includes: a positive electrode; a negative electrode; and an electrolyte between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material represented by Formula 1, and the electrolyte includes a lithium salt, a non-aqueous solvent, and a sulfone compound represented by Formula 2. wherein, in Formula 1, 0.9&#x2264;x&#x2264;1.2, 0.7&#x2264;y&#x2264;0.98, 0&#x2264;z&#x3c;0.2, M comprises Al, Mg, Mn, Co, Fe, Cr, V, Ti, Cu, B, Ca, Zn, Zr, Nb, Mo, Sr, Sb, W, Bi, or a combination thereof, and A is a monovalent anion, a divalent anion, or a combination thereof, and in Formula 2, Rand Rare each independently a halogen, an unsubstituted C-Calkyl group, or a C-Calkyl group substituted with a halogen, and a1 and a2 are each independently an integer from 0 to 5. 

Lithium secondary battery including sulfone-based additive

A lithium battery including: a cathode; an anode; and an electrolyte between the cathode and the anode, wherein the cathode includes a cathode active material represented by Formula 1,LiNiMOA&#x2003;&#x2003;Formula 1 

An electrolyte including: a lithium salt; a non-aqueous solvent; a compound represented by Formula 1; and a compound represented by Formula 2 wherein R, R, R, R, and Rin Formulae 1 and 2 are as described in the detailed description.

Electrolyte, lithium secondary battery including the electrolyte, and method of manufacturing the electrolyte

A lithium secondary battery including a cathode; an anode; and an electrolyte disposed between the cathode and the anode, 

Lithium secondary battery including electrolyte containing monofluorosilane compound

A lithium secondary battery includes: a positive electrode; an negative electrode; and an electrolyte between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material represented by Formula 1, the electrolyte includes a lithium salt, a non-aqueous solvent, and a trialkoxyalkylsilane compound represented by Formula 2, and an amount of the trialkoxyalkylsilane compound in the electrolyte is about 0.1 weight percent to about 5 weight percent based on a total weight of the electrolyte: wherein, in Formula 1 and Formula 2, x, y, z, M, A, Rto R, and Ar are as defined as the specification.

Lithium secondary battery including electrolyte containing trialkoxyalkylsilane compound

An electrolyte includes: a lithium salt; a non-aqueous solvent; and a disulfonate compound represented by Formula 1: 

Bis(phenyl) methanedisulfonate-based additive and lithium secondary battery comprising the same

An electrolyte for a lithium secondary battery, the electrolyte including: a compound represented by Formula 1; a lithium salt; and an organic solvent, wherein an amount of the compound represented by Formula 1 is less than about 3.0 weight percent, based on a total weight of the electrolyte: wherein, in Formula 1, Rto Rare each independently selected from hydrogen, fluorine, a C1-C10 alkyl group, and a C6-C10 aryl group.

Electrolyte for lithium secondary battery and lithium secondary battery including the electrolyte

An electrolyte additive for a lithium battery comprising a sulfone compound represented by Formula 1: 

Electrolyte additive for lithium battery, organic electrolyte solution including the same, and lithium battery including the same

An organic electrolyte solution includes a lithium salt; an organic solvent; and a fluorine-containing phosphate compound represented by Formula 1: 

Organic electrolyte solution and lithium battery including the same

A lithium secondary battery includes a positive electrode; a negative electrode; and an electrolyte disposed between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material represented by Formula 1, and the electrolyte includes a lithium salt; a non-aqueous solvent; and a phosphite compound represented by Formula 2, wherein the phosphite compound is present in amount of about 0.1 wt % to about 5 wt % based on a total weight of the electrolyte:LiNiMOA&#x2003;&#x2003;Formula 1 

Lithium secondary battery including phosphite additive

A lithium secondary battery including a positive electrode including a positive active material represented by Formula 1; a negative electrode; and an electrolyte disposed between the positive electrode and the negative electrode, the electrolyte including a lithium salt; a nonaqueous solvent; and a cyclic compound represented by Formula 2, 

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Hwaseong-si, South Korea

Myongchun Koh