Hyundai Motor Company

Kia Corporation

Ulsan National Institute of Science and Technology

Unist (Ulsan National Institute of Science and Technology )

Sk Innovation Co., Ltd.

Unist, Inc.

Nam Soon Choi

Yoon Sung Lee

Sung Ho Ban

Ko Eun Kim

Sung You Hong

Sang Kyu Kwak

Seung Min Oh

Hyeon Gyu Moon

Jun Ki Rhee

Dae Yeon Hwang

Seo Young Jeong

Hyeong Jun Kim

Ik Kyu Kim

Woo Gyum Kim

Hui Beom Nam

Min Pyeong Kim

Min Ho Jeon

Sang Mok Park

Ji Eun Lee

Jeong Soo Kim

Young Joon Ahn

Dai In Park

Jong Chan Song

Seung Ok Lee

Ji Yong Lee

Je Hyun Chae

Sae Hun Kim

Won Sang Koh

Min Young Lee

Woo Young Jin

Won Joon Lee

Jun Yeong Jang

Disclosed herein are an electrolyte for a lithium secondary battery, which can enhance lifetime and output characteristics in a high-capacity lithium secondary battery, and a lithium secondary battery including the same. The electrolyte for a lithium secondary battery may include a lithium salt, a solvent, and a functional additive, wherein the functional additive includes 5,5-diallyl-3-(tert-butyldimethylsilyl)oxazolidin-2-one as a positive electrode film additive.

Electrolyte solution for a lithium secondary battery and a lithium secondary battery including same

An electrolyte for a lithium secondary battery can enhance lifetime and output characteristics in a high-capacity lithium secondary battery. The electrolyte for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive. The functional additive includes 1-(3-((tert-butyldimethylsilyl)oxy)propyl)-5-(4-fluorophenyl)-1H-1,2,3-triazole-4-carbonitrile as a positive electrode film additive.

The present disclosure provides an electrolyte for a lithium secondary battery capable of improving the lifespan characteristics and output characteristics of a high capacity lithium secondary battery and a lithium secondary battery including the same. The electrolyte for a lithium secondary battery, according to an embodiment of the present disclosure, is an electrolyte for a lithium secondary battery including a lithium salt, a solvent, and a functional additive agent, in which the functional additive agent includes a cathode film additive agent, (4-allyl-2-methoxyphenoxy) trimethylsilane, represented by the following formula:

Electrolyte solution for lithium secondary battery and lithium secondary battery including same

Proposed is an additive for an electrolyte solution to improve the electrochemical properties of a lithium secondary. Especially, an electrolyte for a lithium secondary battery includes: a lithium salt; a solvent; and a functional additive, wherein the functional additive includes 1,2-bis(maleimido)ethane, represented by the following formula 1: The electrolyte solution for a lithium secondary battery includes: an electrolyte salt and an organic solvent, wherein the electrolyte solution further comprises, as additives, vinylene carbonate (VC) represented by the following Formula 1, and a compound represented by the following Formula 2, (5-(4-nitrophenyl)-1-(3-((trimethylsilyl)oxy)propyl)-1H-1,2,3-triazole-4-carbonitrile):

Solution for lithium secondary battery and lithium secondary battery including same

An additive for an electrolyte solution improves the electrochemical properties of a lithium secondary battery.

An electrolyte capable of lip roving the stability of a lithium-metal battery is provided. The electrolyte includes an organic solvent, a cosolvent, which is different from the organic solvent and includes a fluorine-based compound, and an additive having a lower lowest unoccupied molecular orbital (LUMO) value than the organic solvent.

Electrolyte for lithium-metal battery having improved stability

The electrolyte for a lithium secondary battery comprises: a lithium salt; a solvent; and a functional additive, wherein the functional additive comprises naphthalen-1-yl sulfurofluoridate, represented by the following formula 1:

Electrolyte for lithium secondary battery and lithium secondary battery comprising same

Disclosed are an electrolyte solution for lithium secondary batteries and a lithium secondary battery including the same. The electrolyte solution for lithium secondary batteries includes: a lithium salt; a solvent; and a functional additive, wherein the functional additive includes a first positive-electrode film additive, which is 2-(2'((tert-butoxycarbonyl)amino)ethoxy)-ethyl p-methylbenzenesulfonate, represented by the following Formula 1:

Electrolyte solution for lithium secondary batteries and lithium secondary battery including the same

The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 5-(4-cyanophenyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:

Electrolyte solution for lithium secondary battery and lithium secondary battery comprising same

The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 1-benzyl-5-(4-nitrophenyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below: 

The electrolyte for a lithium secondary battery includes: a lithium salt; a solvent; and a functional additive, wherein the functional additive includes 1,2-bis(maleimido)ethane, represented by the following formula 1: 

Provided are an electrolyte for a sodium secondary battery and a sodium secondary battery using the same. More particularly, the sodium secondary battery includes an anode containing sodium, a cathode containing a transition metal, and a sodium ion conductive solid electrolyte provided between the anode and the cathode, wherein the cathode is impregnated in an electrolyte containing a molten sodium salt and an electrolyte additive, the electrolyte additive including an inorganic sodium salt.

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Ulsan, South Korea

Nam Soon Choi