Abstract: Provided are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including same, the negative electrode for a rechargeable lithium battery including a negative electrode active material layer which comprises a boron compound and negative electrode active material.

Abstract: Provided are a negative electrode and a lithium battery including the same, the negative electrode including: a negative electrode current collector; and a negative electrode active material layer arranged on the negative electrode current collector. The negative electrode active material layer comprises a negative electrode active material and a composite conductive material, wherein the composite conductive material comprises a core and a coating layer, the core comprises a carbon-based conductive material, and the coating layer comprises an ion-conductive polymer.

Abstract: The present invention is to provide a negative electrode active material for nonaqueous secondary batteries, which prevents increase in negative electrode resistance and improves initial charge/discharge efficiency and the effect of preventing gas generation and which is excellent in cycle characteristics. The present invention relates to a negative electrode active material for nonaqueous secondary batteries, which comprises an active material (A) capable of occluding and releasing lithium ions and an organic compound (B), wherein the organic compound (B) has a basic group and a lithium ion-coordinating group, and has a specific structure (S).

Abstract: A method to prepare a negative electrode active material for a nonaqueous secondary battery is provided. The negative electrode active material comprises an active material (A) capable of occluding and releasing lithium ions and an organic compound (B), wherein the organic compound (B) is hardly soluble in a nonaqueous electrolytic solution, has a ?-conjugated structure, and has an electric conductivity at 25° C. of 0.1 S/cm or less. The method includes dissolving or dispersing the organic compound (B) in a solvent, mixing the active material (A) with the organic compound (B) in the solvent; and removing the solvent from the mixture of the active material (A) and the organic compound (B) by filtering or by heating to obtain the negative electrode material.

Abstract: The present invention is to provide a negative electrode active material for nonaqueous secondary batteries, which prevents increase in negative electrode resistance and improves initial charge/discharge efficiency and the effect of preventing gas generation and which is excellent in cycle characteristics. The present invention relates to a negative electrode active material for nonaqueous secondary batteries, which comprises an active material (A) capable of occluding and releasing lithium ions and an organic compound (B), wherein the organic compound (B) has a basic group and a lithium ion-coordinating group, and has a specific structure (S).

Abstract: The present invention is to provide a negative electrode active material for nonaqueous secondary batteries, which is useful in production of nonaqueous secondary batteries that have low initial irreversible capacity and little gas generation due to decomposition of nonaqueous electrolytic solution, and have excellent charge/discharge cycle stability. The present invention relates to a negative electrode active material for nonaqueous secondary batteries, which comprises an active material (A) capable of occluding and releasing lithium ions and an organic compound (B), wherein the organic compound (B) is hardly soluble in a nonaqueous electrolytic solution, has a ?-conjugated structure, and has an electric conductivity at 25° C. of 0.1 S/cm or less.

Abstract: A polycarbonate/polyethylene terephthalate composite resin composition is provided, which contains a resin component of 100 parts by weight and contains a phosphorus thermal stabilizer of 0.01 to 0.5 parts by weight and/or a hindered phenol thermal stabilizer of 0.01 to 1 parts by weight, the resin component containing a polycarbonate resin of 95 to 30 weight % and a polyethylene terephthalate resin of 5 to 70 weight %. The polyethylene terephthalate resin contains a deactivated polycondensation catalyst. The polycarbonate/polyethylene terephthalate composite resin composition can be prevented from being deteriorated resulting from being thermally preserved.