Abstract: A copolymer and a dispersion using same, the copolymer including two or more monomers selected from among a monomer containing two or more substituted or unsubstituted aromatic rings, a monomer containing a straight-chain or branched aliphatic hydrocarbon having 5 to 22 carbon atoms, and a polar monomer containing any one selected from the group consisting of cyano (CN), pyrrolidone (NC4H6O) and carboxylic acid (COOH).

Abstract: The present invention relates to an anode active material comprising a shell including metal particles coated in whole or in part with a metal carbide, a method for preparing same, and a lithium secondary battery comprising same.

Abstract: The present invention relates to a negative electrode active material, a method for preparing same, and a lithium secondary battery comprising same, the negative electrode active material comprising: a core; a shell surrounding the core; and metal particles having the entire surface or a part of the surface coated with an alkali metal inclusion.

Abstract: Disclosed are a solid electrolyte and method of manufacturing the same. The solid electrolyte may include a core including a first electrolyte represented by Chemical Formula 1, and a shell including a second electrolyte represented by Chemical Formula 2, and disposed on a surface of the core. LiaPSbX1c??[Chemical Formula 1] Here, a satisfies an equation 4?a?7, b satisfies an equation 3?b?7, c satisfies an equation 0?c?2, and X1 includes Br or I. LidPSeX2f??[Chemical Formula 2] Here, d satisfies an equation 4?d?7, e satisfies an equation 3?e?7, f satisfies an equation 0?f?2, X2 includes Cl or Br, and an ionic radius of X1 is greater than an ionic radius of X2.

Abstract: The present disclosure relates to a copolymer, which contains: an acrylonitrile-based monomer unit in an amount in a range of greater than 0 wt % and 15 wt % or less; a hydroxyl group (—OH)-containing acrylate-based monomer unit in an amount in a range of greater than 0 wt % and 5 wt % or less; an acrylamide-based monomer unit in an amount in a range of greater than 80 wt % and less than 95 wt %; and an acrylic acid-based monomer unit in an amount in a range of greater than 0 wt % and 15 wt % or less, based on the total weight of the copolymer in an amount of 100 wt %, to a slurry composition containing the copolymer, to a separator, and to a secondary battery.

Abstract: The present disclosure relates to a binder for coating a secondary battery separator including a (meth)acrylic copolymer containing a first structural unit derived from (meth)acrylonitrile; a second structural unit derived from (meth)acrylic acid or (meth)acrylate; and a third structural unit derived from (acet)amides, and a separator for a secondary battery and a secondary battery including the same.

Abstract: The present disclosure relates to a method of manufacturing a sulfide solid electrolyte and a sulfide solid electrolyte manufactured thereby, and more particularly to a method of manufacturing a sulfide solid electrolyte and a sulfide solid electrolyte manufactured thereby, in which the sulfide solid electrolyte includes two or more sulfide compounds, thus improving the atmospheric stability of the solid electrolyte and reducing the generation of toxic gas.