NOVELTY - A nonaqueous lithium electrical storage element consists of electrode component (10) comprising positive electrode (16) having positive electrode collector component (11) and positive electrode active material layer (12), separator (13), and negative electrode (17) having negative electrode collector component (14) and negative electrode active material layer (15), nonaqueous electrolytic solution, and external casing (9). The positive electrode active material has BET surface area of 2600-4500 m2/g, and contains active substance having average grain size of 1-30 mu m.    USE - Nonaqueous lithium electrical storage element is used in electrical storage system for electric vehicles, hybrid electric vehicle and fuel cell electric vehicle.    ADVANTAGE - The nonaqueous lithium electrical storage element has high output and capacity per volume.    DETAILED DESCRIPTION - A nonaqueous lithium electrical storage element consists of electrode component comprising positive electrode having positive electrode collector component and positive electrode active material layer containing positive electrode active material, separator, and negative electrode having negative electrode collector component and negative electrode active material layer containing negative electrode active material, nonaqueous electrolytic solution containing lithium ions, and external casing. The positive electrode active material has BET surface area of 2600-4500 m2/g, and contains active substance having average grain size of 1-30 mu m. The mesopore amount (V1) of positive electrode active material derived from fine pores having diameter of 20-500 Angstrom calculated using Barrett-Joyner-Halenda method is 0.8-2.5 (excluding 0.8) cm3/g, and micropore amount (V2) of positive electrode active material derived from fine pores having diameter less than 20 Angstrom calculated using micropore method is 0.92-3 (excluding 0.9) cm3/g. The positive electrode active material layer has bulk density of 0.4-0.7 g/cm3. An INDEPENDENT CLAIM is included for electrode for electrical storage element.    DESCRIPTION OF DRAWING(S) - The drawing shows cross-sectional view of nonaqueous lithium electrical storage element.    External casing (9)    Electrode component (10)    Positive electrode collector component (11)    Positive electrode active material layer (12)    Separator (13)    Negative electrode collector component (14)    Negative electrode active material layer (15)    Positive electrode (16)    Negative electrode (17)