Abstract: A composition for enhancing protein strength according to the present invention contains an aminosilane compound capable of covalent binding with a protein of hair, scalp, skin, nails, leather, or textile, so that the protein and the amino silane compound form a covalent bond, and thus the composition can improve the protein strength enhancement effect and maximize the semi-permanent protein strength enhancement effect.

Abstract: According to the embodiments of the present invention, the range of control for the frictional force on a steering shaft is increased, the frictional force can be sustained at a set level to enhance the steering feel, the number of parts is reduced to improve ease of assembly and reduce cost of production, and deformation of the steering shaft can be minimized.

Abstract: One aspect of the present invention provides a separator including a porous substrate, and a heat-resistant layer disposed on at least one surface of the porous substrate and including inorganic particles, wherein the ratio (F2/F1) of air permeability (F2, sec/100 mL) in a curved surface with a radius of curvature of 10 mm of the separator to the air permeability (F1, sec/100 mL) in a flat surface of the separator is 1.5 or less, and an electrochemical device including the same.

Abstract: One aspect of the present invention provides a coating composition for a separator including a water-soluble polymer and a water-insoluble polymer, wherein the water-insoluble polymer includes solid particles and annular hollow particles, and an electrode-adhesive separator, which includes an adhesive layer made of the coating composition.

Abstract: The present invention relates to a method for modifying the surface of a polymer substrate. Specifically, the present invention provides a method for modifying the surface of a polymer substrate using a plasma treatment, a hydrophilic primer and a coating agent including a hydrophobic fluorine compound.

Abstract: A secondary Li-ion battery comprising a casing comprising as battery parts: a positive electrode comprising a powderous positive electrode active material, a negative electrode, a separator, and an electrolyte, wherein the casing is provided with means for maintaining the exterior form of the casing, and wherein the positive electrode active material has the general formula Li1+a(NixCoyMz)1?aO2, wherein M=M?1?bAb, M? being either one or both of Al and Mg, and A being a dopant with b?0.10, and wherein ?0.03?a?0.03, 0.80?×?0.95, 0.05?y?0.20, z?0.10, with x+y+z=1, and wherein the positive electrode active material has a crystallite size ?43 nm as determined by the Sherrer equation based on the peak of the (104) plane obtained from the X-ray diffraction pattern using a Cu K? radiation source, and wherein the positive electrode active material further comprises between 0.4 and 0.6 wt % LiOH.

Abstract: The present invention relates to a polyvinyl-based compound, which maximizes self-healing ability by introducing various functional molecules into a brush of a polyvinyl-based resin, a preparation method thereof, and a polymer coating film produced therefrom.

Abstract: A liquid electrolyte lithium secondary battery cell comprising: a positive electrode including a powderous positive active material having the following chemical formula: Li1?x(Co1-a-b-cNiaMnbM?c)1?xO2 with ?0.01?x?0.01, 0.00?a?0.09, 0.01?b?0.05, and 0.00?c?0.03 wherein M? is either one or more metals of the group consisting of Al, Mg, Ti and Zr; and an electrolyte composition comprising at least one cyclic carbonate; at least one fluorinated acyclic carboxylic acid ester; at least one electrolyte salt; at least one lithium compound selected from lithium phosphates compounds, lithium boron compounds, lithium sulfonates compounds and mixtures thereof; at least one cyclic sulfur compound; and optionally at least one cyclic carboxylic acid anhydride.

Abstract: The present invention relates to a polyvinyl-based compound, which maximizes self-healing ability by introducing various functional molecules into a brush of a polyvinyl-based resin, a preparation method thereof, and a polymer coating film produced therefrom.

Abstract: A positive electrode slurryfied mixture used in the manufacturing of a rechargeable battery, the mixture comprising: —a positive electrode active material comprising a lithium metal-based oxide, the metal in the lithium metal-based oxide comprising either one or more of Ni, Mn, Al and Co; —a carbon-based conductivity enhancer; and —a binder material that is soluble in a polar aprotic solvent, characterized in that the mixture further comprises a powderous alkali hydroxyde compound having a water content less than 5 wt %.

Abstract: The present invention relates to a cell membrane-mimicking brush polymer having surface properties mimicking a cell membrane and a self-assembly capability by means of a cell membrane mimicking functional group introduced to a brush terminal, and a method for preparing same.

Abstract: A lithium ion battery comprising a negative electrode and an electrolyte, whereby the negative electrode comprises composite particles, whereby the composite particles comprise silicon-based domains, whereby the composite particles comprise a matrix material in which the silicon-based domains are embedded, whereby the composite particles and the electrolyte have an interface, whereby at this interface there is a SEI layer, characterized in that the SEI layer comprises one or more compounds having carbon-carbon chemical bonds and the SEI layer comprises one or more compounds having carbon-oxygen chemical bonds, whereby a ratio, defined as the area of a first peak divided by the area of a second peak, is at least 1.30, whereby the first peak and second peak are peaks in an X-ray photoelectron spectroscopy measurement of the SEI, whereby the first peak represents C—C chemical bonds and whereby the second peak represents C—O chemical bonds.

Abstract: A rechargeable lithium ion battery comprising a positive electrode, a negative electrode and an electrolyte, the positive electrode comprising a lithium nickel manganese cobalt oxide-based powder with particles comprising a core and a surface layer, the core having a layered crystal structure comprising the elements Li, M and oxygen, wherein M has the formula M=(Niz(Ni1/2Mn1/2)yCox)1-kAk, with 0.13?x?0.30, 0.20?z?0.55, x+y+z=1 and 0<k?0.1, wherein A is at least one dopant and comprises Al, the lithium nickel manganese cobalt oxide-based powder having a molar ratio 0.95?Li:M?0.10, wherein the surface layer consists of a mixture of elements of the core Li, M and O, and alumina, and wherein the electrolyte comprises the additive lithium difluorophosphate.

Abstract: A rechargeable lithium ion battery comprising a positive electrode, a negative electrode and an electrolyte, the positive electrode comprising a lithium nickel manganese cobalt oxide-based powder with particles comprising a core and a surface layer, the core having a layered crystal structure comprising the elements Li, M and oxygen, wherein M has the formula M=(Niz(Ni1/2Mn1/2)yCox)1-kAk, with 0.13?x?0.30, 0.20?z?0.55, x+y+z=1 and 0<k?0.1, wherein A is at least one dopant and comprises Al, the lithium nickel manganese cobalt oxide-based powder having a molar ratio 0.95?Li:M?0.10, wherein the surface layer consists of a mixture of elements of the core Li, M and O, and alumina, and wherein the electrolyte comprises the additive lithium difluorophosphate.

Abstract: The present invention relates to a method for modifying the surface of a polymer substrate. Specifically, the present invention provides a method for modifying the surface of a polymer substrate using a plasma treatment, a hydrophilic primer and a coating agent including a hydrophobic fluorine compound.

Abstract: The present invention relates to a cell membrane-mimicking brush polymer having surface properties mimicking a cell membrane and a self-assembly capability by means of a cell membrane mimicking functional group introduced to a brush terminal, and a method for preparing same.

Abstract: An electric bicycle having an enhanced fixing structure of an electronic control unit, the electrical bicycle having an electronic control unit built in an a center frame along with a generator in a state of the electronic control unit is directly fixed at an upper portion of the generator, the electronic control unit is effectively be protected, as the fixing structure of the electronic control unit is simplified.

Abstract: A folding type bicycle is disclosed. The disclosed folding type bicycle includes a front frame provided with a front wheel and a handle, a center frame provided with pedals and a saddle, a rear frame provided with a rear wheel, a hinge device to enable the front frame, the center frame and the rear frame to pivot about one another, to be foldable with respect to one another, the hinge device comprising a front hinge member provided at the front frame, a center hinge member provided at the center frame, and a rear hinge member provided at the rear frame, a hinge shaft centrally provided at the hinge device, a front rim provided at the front hinge member, a center rim provided at the center hinge member and a rear rim provided at the rear hinge member, and rolling members to enable rolling-contact among the front, center and rear rims.