Lg Energy Solution, Ltd.

Lg Chem, Ltd

Lg Household & Health Care Ltd.

Shanjin Optoelectronics (Suzhou) Co., Ltd.

Kyung Oh Kim

Sung Soo Yoon

Jeong Ae Yoon

Su Jeong Kim

Doo Kyung Yang

Chang Hwan Ju

Su Jee Kwon

Jeongae Yoon

Kihyun Kim

Taek Gyoung Kim

Han Na Chi

Sun Hwa Lee

Sang Ha Son

Nae Gyu Kang

Woo Sun Shim

Geun Ho Park

Sujee Kwon

Ji Yeon Kim

Jonghyun Chae

Hang Ah Park

Jong Hyun Chae

Jung Yup Kim

Jong Pil Kim

Choonghyeon Lee

Yeyoung Ha

Daeil Kim

Lucia Kim

Chanjoong Kim

Su Hee Lee

Yeonju Lee

Jang Bae Kim

Jee Seon Kim

Jong Heon Kwak

Jung A Kim

Joo Hyeong Lee

Jung Ho Lim

Sa Rah Kim

Kang Hyeon Lee

Jongheon Kwak

Jung Youn Shin

Je Young Ryu

Yunseop Kim

A binder for a lithium-sulfur secondary battery and a lithium-sulfur secondary battery including the same. The binder includes a copolymer having a first polymerization unit derived from a first monomer and a second polymerization unit derived from a second monomer. The first monomer is alkyl acrylate having at least one functional group or alkyl methacrylate having at least one functional group. The second monomer is acrylic acid or methacrylic acid. The at least one functional group in the first monomer is a functional group having a single or repeated structure of a hydroxy group substituted or unsubstituted with alkyl having 1 to 4 carbon atoms, a thiol group substituted or unsubstituted with alkyl having 1 to 4 carbon atoms, or an amino group substituted or unsubstituted with alkyl having 1 to 4 carbon atoms. The second polymerization unit may have a lithiated form.

Binder for lithium-sulfur secondary battery and lithium-sulfur secondary battery including same

An anode slurry composition that can be applied to the production of anodes to cope with shrinkage and expansion by repeated charge and discharge. The anode slurry composition also provides an excellent binding force between active materials and adhesive force to a current collector. An anode and a secondary battery comprising the anode slurry composition are also provided.

Anode slurry composition

According to the present disclosure, a method of preparing polymeric microparticles comprising further crosslinking with an organic crosslinking agent after crosslinking with metal ions, polymeric microparticles, medical compositions, cosmetic compositions, medical articles and cosmetic articles comprising the same can be provided.

Method of preparing polymeric microparticles, polymeric microparticles, medical composition, cosmetic composition, medical articles and cosmetic articles using the same

A binder, an electrode and a lithium secondary battery comprising the same, wherein the binder includes a first block including a polymer containing functional groups substitutable with lithium ions and a second block. The second block may include a polymer containing oxygen atoms in the main chain. With such a binder, it is possible to prevent the agglomeration of the slurry for preparing the electrode, thereby preventing the occurrence of cracks on the surface of the electrode and improving the life characteristics of the lithium secondary battery.

Binder, and electrode and lithium secondary battery comprising same

A lithium electrode and a lithium secondary battery the same are disclosed. More specifically, a lithium electrode is disclosed that can increase the lifetime of the battery by providing a protective layer containing a copolymer containing an acetal functional group forming a stable SEI layer through a chemical reaction with lithium metal and a fluorine-based functional group capable of forming a LiF-rich SEI layer on the surface of the lithium metal to inhibit the formation of lithium dendrite and inhibit the side reaction of lithium metal and electrolyte solution.

Lithium electrode and lithium secondary battery comprising same

A binder for preparing a positive electrode of a lithium-sulfur secondary battery, a composition including the binder, a positive electrode including the composition and a lithium-sulfur secondary battery including the positive electrode. The binder includes an acrylic polymer, and the acrylic polymer includes a unit formed from a hydroxyphenyl-based monomer or a disulfide-based monomer. The acrylic polymer may include 1 to 20 wt. % of units formed from the hydroxyphenyl-based monomer. The acrylic polymer may include 1 to 20 wt. % of units formed from the disulfide-based monomer. Such a battery has increased long-term stability due to suppression of leaching of the sulfur-based materials by absorption of lithium polysulfides.

Binder for preparing positive electrode for lithium-sulfur secondary battery, and method for preparing positive electrode using same

The present application relates to a binder. The present application can provide a binder which can be applied to production of silicon series negative electrodes to cope well with shrinkage and expansion by repeated charge and discharge, and has excellent binding force between active materials and adhesive force to a current collector, and an active material composition, an electrode and a secondary battery, comprising the same.

Silicon electrode binder

A solid electrolyte composition for a lithium secondary battery including a fluorine-based polymer having grafted thereon a unit comprising alkylene oxide group and a crosslinkable functional group. The polymer may be formed by a process including grafting a monomer on a fluorine-based polymer, where the monomer includes alkylene oxide group and a crosslinkable functional group. Also disclosed is a solid electrolyte for a secondary battery formed by thermally curing the composition. By graft copolymerizing a monomer including alkylene oxide group and a crosslinkable functional group on a fluorine-based polymer having high lithium ion conductivity, the solid electrolyte is capable of providing a solid electrolyte for a secondary battery having significantly enhanced solid electrolyte ion conductivity and electrochemical stability.

Secondary battery solid electrolyte composition and solid electrolyte prepared therefrom

The present invention relates to a polymer composition, an optical laminate and a display device, and can provide a polymer composition capable of forming a pressure-sensitive adhesive layer which has excellent workability, durability and dimensional stability and is capable of effectively alleviating the bending phenomenon of the display, through a polymer capable of forming a physically cross-linked structure together with a chemically cross-linked structure. In addition, the present invention can provide an optical laminate comprising a cross-linked product of the polymer composition and a display device comprising the same.

Polymer composition

The present application relates to an amphiphilic polymer and a method for producing the same. The present application also relates to micelles comprising the amphiphilic polymer and a method for producing the same. The amphiphilic polymer of the present application can have excellent dispersion properties while effectively encapsulating the drug.

Amphiphilic polymer

The present application relates to a gel polymer electrolyte, a method for producing a gel polymer electrolyte, and an electrochromic device comprising the same. As the gel polymer electrolyte comprises a block copolymer, the present application can simultaneously satisfy high ionic conductivity, low turbidity and adhesiveness.

Gel polymer electrolyte, electrochromic device comprising the same and production method thereof

The present application relates to an amphiphilic triblock polymer and micelles comprising the amphiphilic triblock polymer. The amphiphilic triblock polymer of the present application can have excellent dispersion properties and excellent water solubility while effectively encapsulating the drug.

Amphiphilic triblock polymer

A binder for a positive electrode of a lithium-sulfur secondary battery, including an acrylic polymer including an acrylic monomer polymerized unit, a non-acrylic monomer polymerized unit and a redox monomer polymerized unit, as well as a positive electrode active layer, a positive electrode and a lithium-sulfur secondary battery manufactured using the binder. The acrylic polymer contains at least 30 wt. % of the acrylic monomer polymerized unit.

Binder for positive electrode of lithium-sulfur secondary battery and method for preparing positive electrode using same

A pressure-sensitive adhesive composition that improves not only durability but also bending characteristics of a polarizing plate, an optical laminate and a polarizing plate, both of which are prepared with said pressure-sensitive adhesive composition, and a display device comprising the optical laminate and the polarizing plate.

Pressure-sensitive adhesive composition

Growing community of inventors

Daejeon, South Korea

Kyung Oh Kim