Samsung Sdi Co., Inc.

AeHui Goh

Hyunbong Choi

Myungheui Woo

Harim Lee

Aeran Kim

Woocheol Shin

Seungtae Lee

Miyoung Son

Taehyon Bae

Pavel Shatunov

Olga Tsay

The present invention relates to an organic electrolyte including at least one cyclic nitrile-based compound; and at least one chain type nitrile-based compound, and a secondary battery including the same.

Organic electrolyte, and secondary battery comprising same

Disclosed herein is a lithium secondary battery including: a cathode; an anode; and an electrolyte interposed between the cathode and the anode, the electrolyte including at least one compound (A) represented by Formula 1 below and at least one compound (B) represented by Formula 2 below, and the lithium secondary battery having an operating voltage of 4.45 V or more: For the description of R, Rto R, and Zin Formula 1, refer to the present specification.

Lithium secondary battery including electrolyte additive for lithium secondary battery

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

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: 

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Yongin-si, South Korea

AeHui Goh