Abstract: A method for manufacturing a self-standing film for a negative-electrode of a lithium secondary battery includes performing a first film formation process using a composition for forming the negative-electrode of the lithium secondary battery to obtain a first negative-electrode active material layer, wherein the composition includes a negative-electrode active material, a conductive material, and a binder; pulverizing the first negative-electrode active material layer to obtain composite powders for formation of the negative-electrode as a pulverized product; and performing a second film formation process using the composite powders to obtain a second negative-electrode active material layer, wherein the binder includes a triblock copolymer having: a soft block derived from an aliphatic or cycloaliphatic diene-based monomer and having a rubber phase at room temperature; and a first hard block and a second hard block respectively connected to both ends of the soft block, and derived from an aromatic ring-cont

Abstract: A method for manufacturing a self-standing film for a negative-electrode of a lithium secondary battery includes forming a negative-electrode active material layer in a film formation process using a composition for forming the negative-electrode of the lithium secondary battery, wherein the composition includes a negative-electrode active material, a conductive material, and a binder, wherein the binder includes a triblock copolymer having: a soft block derived from an aliphatic or cycloaliphatic diene-based monomer and having a rubber phase at room temperature; and a first hard block and a second hard block respectively connected to both ends of the soft block, and derived from an aromatic ring-containing ethylenically unsaturated monomer, and having a glass phase at the room temperature.

Abstract: The present invention provides a self-standing film laminate for an anode of a lithium secondary battery, the self-standing film laminate including a first self-standing film including a first anode active material, a first conductive material, and a first binder containing a triblock copolymer, and a second self-standing film including a second anode active material, a second conductive material, and a second binder containing a fluorine-based resin, wherein the triblock copolymer includes a soft block derived from aliphatic or cycloaliphatic diene-based monomers and exhibiting a rubber phase at room temperature, and a first hard block and a second hard block each connected to both ends of the soft block, derived from an aromatic ring-containing ethylenically unsaturated monomer, and exhibiting a glass phase at room temperature, and the first binder is in the form of a non-continuous column connecting between any one of a domain of the first anode active material or a domain of the first conductive material

Abstract: disclosureDisclosed are, inter alia, a composition for forming an anode of a lithium secondary battery including an anode active material, a conductive material, and a binder. Particularly, the binder contains a triblock copolymer which has a soft block derived from an aliphatic or alicyclic diene-based monomer and forming a rubbery phase at a room temperature; and a first hard block and a second hard block connected to both ends of the soft block, respectively, derived from an aromatic ring-containing ethylenically unsaturated monomer, and forming a glassy phase at a room temperature, and wherein the binder includes particles with an average diameter (D50) of 1 ?m or more and 50 ?m or less.

Abstract: A self-standing film for an anode of a lithium secondary battery, the self-standing film including an anode active material, a conductive material, a first binder containing a triblock copolymer, and a second binder containing a fluorine-based resin, wherein the triblock copolymer includes a soft block derived from aliphatic or cycloaliphatic diene-based monomers and exhibiting a rubber phase at room temperature, and a first hard block and a second hard block each connected to both ends of the soft block, derived from an aromatic ring-containing ethylenically unsaturated monomer, and exhibiting a glass phase at room temperature, and the first binder is in the form of a non-continuous column connecting between any one of a domain of the anode active material or a domain of the conductive material and another one of a domain of the anode active material or a domain of the conductive material.

Abstract: The present disclosure can implement a high energy density electrode by quantifying and standardizing a degree of fiberization of powder for an electrode used in a dry electrode. The powder includes an active material; a solid electrolyte; a conductive material; and a fibrous binder.

Abstract: Proposed is a method of manufacturing a negative electrode for an all-solid-state battery using a rubber-based binder in a dry manner.

Abstract: Disclosed is a method of manufacturing an electrode for a lithium secondary battery in a dry manner.

Abstract: A solid electrolyte free-standing membrane for an all-solid-state battery may include: an amount of about 85% to 98.5% by weight of a sulfide-based solid electrolyte; and an amount of about 1.5% to 15% by weight of a fibrillated polymer.

Abstract: Proposed is an electrode for a lithium secondary battery including a fibrillated binder and a manufacturing method thereof.

Abstract: A method for evaluating insulation includes applying and drying an insulation coating liquid on a simulated overlay part, and collecting first data about a first length of a first gap of a first applicator, a first thickness which has been increased by the insulation coating liquid, and a capacity of the simulated overlay part; applying and drying the insulation coating liquid on a current collector for a simulated pure insulation coating layer, and collecting second data about a second length of a second gap of a second applicator and a second thickness of the pure insulation coating layer; generating a relation between the second thickness and the capacity; measuring a thickness of a pure insulation coating layer of an electrode for evaluation; and determining a capacity of an overlay part of the electrode for evaluation from the measured thickness using the generated relation.

Abstract: A method for electrospraying nanosized metal or metal oxide particles onto a substrate. A metal oxide deposited fibrous material comprising a substrate, fibers and metal oxide particles may be made using the method. The material may be a flexible and porous fibrous matrix on which metal oxide particles may be uniformly deposited on a surface thereof. In an exemplary embodiment, the invention is directed to an electrospun nanofibrous material on which electrosprayed photocatalytic metal oxide particles are uniformly deposited without agglomeration.

Abstract: A novel method for preparing a titania dispersion by blending two different titania dispersions synthesized by a solvothermal process and a hydrolysis process. The titania dispersion has a plurality of titania particles substantially uniformly dispersed therein and can be blended to provide a high concentration of titania with an anatase crystalline structure to provide the desired level of photocatalytic activity. The present invention also permits the preparation of transparent titania dispersions. The solution may be used for various decontamination and clean energy generation applications.