Abstract: A nonaqueous electrolyte secondary battery includes an electrode group having a positive electrode and a negative electrode wound flatly by way of an interposed separator, a positive electrode tab electrically connected to the positive electrode, and projecting from a spiral winding surface of the electrode group, a negative electrode tab electrically connected to the negative electrode, and projecting from the spiral winding surface, and a nonaqueous electrolyte, wherein the nonaqueous solvent contains sultone compound including a ring having at least one double bond, and a distance between the positive electrode tab and the negative electrode tab is 6 mm to 18 mm.

Abstract: A nonaqueous electrolyte secondary battery includes a nonaqueous electrolyte and a positive electrode including an active material containing lithium composite oxide powder, the lithium composite oxide powder includes secondary particles, exhibits a peak intensity ratio satisfying the following formula (4), satisfies the following formula (5), and has a particle distribution wherein a particle diameter at a volumetric cumulative frequency of 90% (D90) falls within the range of 10 to 25 m, and the nonaqueous electrolyte contains a sultone compound including a ring having at least one double bond; 2?(I003/I104)<5 ??(4) 0.95?(XLi/XM)?1.02.

Abstract: A nonaqueous electrolyte secondary battery includes an electrode group having a positive electrode and a negative electrode wound flatly by way of an interposed separator, a positive electrode tab electrically connected to the positive electrode, and projecting from a spiral winding surface of the electrode group, a negative electrode tab electrically connected to the negative electrode, and projecting from the spiral winding surface, and a nonaqueous electrolyte, wherein the nonaqueous solvent contains sultone compound including a ring having at least one double bond, and a distance between the positive electrode tab and the negative electrode tab is 6 mm to 18 mm.

Abstract: A nonaqueous electrolyte secondary battery includes an electrode group having a positive electrode and a negative electrode wound flatly by way of an interposed separator, a positive electrode tab electrically connected to the positive electrode, and projecting from a spiral winding surface of the electrode group, a negative electrode tab electrically connected to the negative electrode, and projecting from the spiral winding surface, and a nonaqueous electrolyte, wherein the nonaqueous solvent contains sultone compound including a ring having at least one double bond, and a distance between the positive electrode tab and the negative electrode tab is 6 mm to 18 mm.

Abstract: The present invention provide a nonaqueous electrolyte comprising a nonaqueous solvent, wherein the nonaqueous solvent includes ethylene carbonate (EC), propylene carbonate (PC), ?-butyrolactone (GBL) and a fourth component that is a solvent other than the EC, the PC and the GBL, and the nonaqueous solvent satisfies the following equations (1) to (4): 15 ? x ? 50 (1) 30 ? y ? 75 (2) ?0 < z < 30 (3) ?0 < p ? 5 (4) where, the x is a ratio (volume %) of ethylene carbonate to a total volume of the nonaqueous solvent, the y is a ratio (volume %) of propylene carbonate to the total volume of the nonaqueous solvent, the z is a ratio (volume %) of ?-butyrolactone to the total volume of the nonaqueous solvent, and the p is a ratio (volume %) of the fourth component to the total volume of the nonaqueous solvent.

Abstract: A nonaqueous electrolyte secondary battery includes a nonaqueous electrolyte and a positive electrode including an active material containing lithium composite oxide powder, the lithium composite oxide powder includes secondary particles, exhibits a peak intensity ratio satisfying the following formula (4), satisfies the following formula (5), and has a particle distribution wherein a particle diameter at a volumetric cumulative frequency of 90% (D90) falls within the range of 10 to 25 ?m, and the nonaqueous electrolyte contains a sultone compound including a ring having at least one double bond; 2?(I003/I104)<5 ??(4) 0.95?(XLi/XM)?1.

Abstract: A nonaqueous electrolyte secondary battery includes an electrode group having a positive electrode and a negative electrode wound flatly by way of an interposed separator, a positive electrode tab electrically connected to the positive electrode, and projecting from a spiral winding surface of the electrode group, a negative electrode tab electrically connected to the negative electrode, and projecting from the spiral winding surface, and a nonaqueous electrolyte, wherein the nonaqueous solvent contains sultone compound including a ring having at least one double bond, and a distance between the positive electrode tab and the negative electrode tab is 6 mm to 18 mm.

Abstract: Disclosed is a nonaqueous electrolyte secondary battery, comprising a case having a wall thickness not larger than 0.3 mm, a positive electrode provided in the case, a negative electrode provided in the case and the negative electrode containing a carbonaceous material capable of absorbing-desorbing lithium ions, and a nonaqueous electrolyte provided in the case and the nonaqueous electrolyte containing a nonaqueous solvent including ?-butyrolactone and a solute dissolved in the nonaqueous solvent, wherein after being discharged to 3V with a current of 0.2 C at room temperature, the voltage reduction caused by the self-discharge at 60° C. is not larger than 1.5V in 3 weeks.

Abstract: An electrophoresis display capable of displaying colors, yet having high contrast and a high reflectance on displaying white color. The electrophoresis display device includes a dispersion medium containing a liquid crystal and electrophoretic particles made of titania, etc. being dispersed in the dispersion medium, wherein the dispersion medium contains a dichroic coloring matter having dichroism with a high dichroic ratio as a first coloring matter and a dichroic coloring matter having dichroism with a low dichroic ratio and/or an isotropic coloring matter as a second coloring matter, provided that the first coloring matter and the second coloring matter have complementary colors each other. In this manner, white, black, and color displays are realized by a single capsule.

Abstract: Disclosed is a nonaqueous electrolyte comprising a nonaqueous solvent which contains ethylene carbonate (EC), propylene carbonate (PC), &ggr;-butyrolactone (BL), and a fourth component, which is a solvent other than the EC, PC and BL, and the mixing ratio x (% by volume) of EC based on the total amount of the nonaqueous solvent falls within a range of between 15 and 50, the mixing ratio y (% by volume) of PC based on the total amount of the nonaqueous solvent falls within a range of between 2 and 35, the mixing ratio z (% by volume) of BL based on the total amount of the nonaqueous solvent falls within a range of between 30 and 85, and the mixing ratio p (% by volume) of the fourth component based on the total amount of the nonaqueous solvent is larger than 0 and is not larger than 5.

Abstract: There is provided a liquid crystal display, including a substrate and pixels arrayed on the substrate, each of the pixels including an electric field sensitive layer which includes, an N-type liquid crystal material containing a liquid crystal substance, a dichroic dye and an isotropic dye, and particles dispersed in the N-type liquid crystal material and configured to migrate in the N-type liquid crystal material by electrophoresis.

Abstract: The present invention provide a nonaqueous electrolyte comprising a nonaqueous solvent, wherein the nonaqueous solvent includes ethylene carbonate (EC), propylene carbonate (PC), &ggr;-butyrolactone (GBL) and a fourth component that is a solvent other than the EC, the PC and the GBL, and the nonaqueous solvent satisfies the following equations (1) to (4): 1 15 ≦ x ≦ 50 (1) 30 ≦ y ≦ 75 (2)  0 < z < 30 (3)  0 < p ≦ 5 (4)

Abstract: There is provided a liquid crystal display, including a substrate and pixels arrayed on the substrate, each of the pixels including an electric field sensitive layer which includes, an N-type liquid crystal material containing a liquid crystal substance, a dichroic dye and an isotropic dye, and particles dispersed in the N-type liquid crystal material and configured to migrate in the N-type liquid crystal material by electrophoresis.

Abstract: Disclosed is a nonaqueous electrolyte comprising a nonaqueous solvent which contains ethylene carbonate (EC), propylene carbonate (PC), &ggr;-butyrolactone (BL), and a fourth component, which is a solvent other than the EC, PC and BL, and the mixing ratio x (% by volume) of EC based on the total amount of the nonaqueous solvent falls within a range of between 15 and 50, the mixing ratio y (% by volume) of PC based on the total amount of the nonaqueous solvent falls within a range of between 2 and 35, the mixing ratio z (% by volume) of BL based on the total amount of the nonaqueous solvent falls within a range of between 30 and 85, and the mixing ratio p (% by volume) of the fourth component based on the total amount of the nonaqueous solvent is larger than 0 and is not larger than 5.

Abstract: An electrophoresis display capable of displaying colors, yet having high contrast and a high reflectance on displaying white color. The electrophoresis display device includes a dispersion medium containing a liquid crystal and electrophoretic particles made of titania, etc. being dispersed in the dispersion medium, wherein the dispersion medium contains a dichroic coloring matter having dichroism with a high dichroic ratio as a first coloring matter and a dichroic coloring matter having dichroism with a low dichroic ratio and/or an isotropic coloring matter as a second coloring matter, provided that the first coloring matter and the second coloring matter have complementary colors each other. In this manner, white, black, and color displays are realized by a single capsule.

Abstract: Disclosed is a nonaqueous electrolyte secondary battery, comprising a case having a wall thickness not larger than 0.3 mm, a positive electrode provided in the case, a negative electrode provided in the case and the negative electrode containing a carbonaceous material capable of absorbing-desorbing lithium ions, and a nonaqueous electrolyte provided in the case and the nonaqueous electrolyte containing a nonaqueous solvent including &ggr;-butyrolactone and a solute dissolved in the nonaqueous solvent, wherein after being discharged to 3V with a current of 0.2C at room temperature, the voltage reduction caused by the self-discharge at 60° C. is not larger than 1.5V in 3 weeks.