Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Ulsan National Institute of Science and Technology

Unist (ulsan National Institute of Science and Technology )

Sejong University

The Industry & Academic Cooperation in Chungnam National University (iac)

Incheon University Industry Academic Cooperation Foundation

Korea Institute of Science and Technology

Industry-University Cooperation Foundation Hanyang University

The Industry & Academic Cooperation in Chungnam National University

Jw Creagene Inc.

Incheon National Uni. Research & Business Fdn

Unist, Inc.

Yoon Sung Lee

Seung Min Oh

Sung Ho Ban

Ko Eun Kim

Seung-Min Oh

Sang Mok Park

Yeolmae Yeo

Nam Soon Choi

Sung You Hong

Sang Kyu Kwak

Jun Ki Rhee

Hyeon Gyu Moon

Jieun Lee

Dongjun Kim

Yeol Mae Yeo

Ik Kyu Kim

Sa Heum Kim

Ji Eun Lee

KiSeok Koh

Dae Yeon Hwang

Hyeong Jun Kim

Jung Young Cho

Hong Seok Min

Sung Min Choi

Dong Won Kim

Sang Shin Lee

Jong Ho Lee

Sang Hun Lee

Yong Jun Jang

Young Woo Lee

Dong Gun Kim

Sung Hoon Lim

Ho Taek Lee

Seo Young Jeong

Ki Seok Koh

Ikkyu Kim

Woo Gyum Kim

Woo Young Jin

Hui Beom Nam

Dong Jun Kim

Seung Wan Song

Tae-Hyun Kim

Seung Taek Myung

Kyung Jin Lee

Gyeong Jun Chung

Min Pyeong Kim

Min Ho Jeon

Seung-Taek Myung

Nam Hyeong Kim

Kiseok Koh

Junyoung Mun

Hyo Seok Kim

Hyoung Chul Kim

Sangjin Park

Donghui Kim

Hun Gi Jung

Ju Young Sung

Yong Sung Lee

Dong Joong Kim

Jung Je Woo

Soo Young Cho

Min Young Shin

Hee Jae Kim

Yong-Soo Bae

Nam-Soon Choi

SungHoon Lim

Kyo Min Shin

Yun Chae Jung

Shinkook Kong

Koeun Kim

Hyojin Kim

Young-Mok Kim

So-Yeon Kim

Sungmin Choi

Seung-Soo Han

Ik Su Kang

Nakgyu Go

Kukjoo Lee

Ji Ung Choi

Juyeon Lee

Hye-Won Kang

Su Hyun Lee

Seo-Hee Ahn

Mei Hua Hong

Yeong Don Park

Jun Young Mun

Jun Hwa Park

Sung Ji Park

Taehyun Kim

Mae Yeo Yeo

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.

Disclosed are an electrolyte solution and an additive thereof, which may improve electrochemical properties of a lithium secondary battery.

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

Disclosed are a lithium secondary battery including: a positive electrode; a negative electrode; an electrolyte; and a separator including a separator substrate and a ceramic layer formed on one surface or both surfaces of the separator substrate. Particularly, the ceramic layer may include a first ceramic particle including an epoxide group and a second ceramic particle including an amine group, and the first ceramic particle may be chemically bonded to the second ceramic particle.

Lithium secondary battery including separator with ceramic layer having first ceramic particle bonded to second ceramic particle and manufacturing method the same

Provided is a lithium secondary battery with improved t electrochemical characteristics through improvement of the structural stability by including a cathode active material doped with molybdenum (Mo). The lithium secondary battery includes a cathode; an anode; a separator positioned between the cathode and the anode; and an electrolyte. In particular, the cathode active material includes molybdenum (Mo) doped on a composite oxide of lithium and metal including manganese (Mn) and titanium (Ti).

Lithium secondary battery and manufacturing method thereof

Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide. The positive electrode active material is coated with the molybdenum oxide to form a coating layer on a surface thereof.

Positive electrode material for lithium secondary battery and lithium secondary battery including same

Disclosed are a separator for secondary batteries with enhanced stability and a method of manufacturing the separator. The separator can prevent self-discharge which may occur when a porous non-woven fabric material is used for a separator; can perform a shutdown function at a high temperature of 200° C. or less; and can avoid even under harsh conditions of high temperatures, deterioration in stability caused by internal short-circuit of positive and negative electrodes. In particular, the separator for secondary batteries of the present invention includes a porous non-woven fabric material impregnated with a baroplastic polymer powder and pores of the porous non-woven fabric material are filled with the baroplastic polymer powder by pressing an assembly of the secondary battery.

Separator for secondary batteries with enhanced stability and method of manufacturing the same

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 a cathode material for a lithium secondary battery and a method of manufacturing the same. For instance, the lithium secondary battery may have a high energy density by using only a single cathode material. Particularly, the cathode material for a lithium secondary battery includes a Li&#x2014;[Mn&#x2014;Ti]&#x2014;Al&#x2014;O-based cathode active material; and a carbon nanotube (CNT) attached to the surface of the cathode active material in an acid-treated state to be formed as a composite.

Cathode material for lithium secondary battery and method of manufacturing the same

A method of mixing a cathode active material in a process of manufacturing a cathode of a lithium secondary battery is provided. The method includes a preparation step of preparing a lithium compound removal solution in which PAA (polyacrylic acid) is mixed with a solvent, a removal step of reacting the lithium compound removal solution with the cathode active material, on a surface of which a lithium compound is present, thus removing the lithium compound present on the surface of the cathode active material, and a mixing step of mixing the cathode active material, which is mixed with the lithium compound removal solution, with a conductive material and a binder.

Method of mixing cathode active material

The electrolyte for a lithium secondary battery includes: a lithium salt; a solvent; and a functional additive, wherein the functional additive includes: at least one high-voltage additive selected from a group consisting of lithium bis(phthalato)borate, represented by the following formula 1; hexafluoroglutaric anhydride, represented by the following formula 2; and phosphoric acid tris(2,2,2-trifluoroethyl)ester, represented by the following formula 3:

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

Growing community of inventors

Gyeonggi-do, South Korea

Yoon Sung Lee