NOVELTY - Nonaqueous electrolyte battery comprises: an electrode group including a positive electrode (21) and a negative electrode (22); and a nonaqueous electrolyte including an electrolytic solution, where: the electrode group includes an insulating layer containing a ceramic; the electrolytic solution includes an electrolyte salt and an additive; the electrolyte salt comprises an amine salt (I); the additive is at least one of substituted dioxole compounds (II)-(IV) and (VI), ester compounds, substituted cyclobutane compounds, substituted carbonic acid diphenyl ester compound, cyanide compound, lit    USE - The nonaqueous electrolyte battery is useful in battery pack, electronic device, electric vehicle, power storage device and power system (all claimed).    ADVANTAGE - The nonaqueous electrolyte battery improves the safety and low-temperature cycle characteristics at the same time.    DETAILED DESCRIPTION - Nonaqueous electrolyte battery comprises: an electrode group including a positive electrode (21) and a negative electrode (22); and a nonaqueous electrolyte including an electrolytic solution, where: the electrode group includes an insulating layer containing a ceramic; the electrolytic solution includes an electrolyte salt and an additive; the electrolyte salt comprises an amine salt of formula (M+((ZY)2N)-) (I); the additive is at least one of substituted dioxole compounds of formulae (II)-(IV) and (VI), ester compounds of formulae (R22-C(R23)(R21)-O-C(=O)-C(R24)(R26)-R25) (V), (R41-O-C(=O)-O-R43-O-C(=O)-O-R42) (VIII), (R17-O-C(=O)-O-R72) (XIII) and (R81-C(=O)-O-R82) (XIV), substituted cyclobutane compound of formula (VII), substituted carbonic acid diphenyl ester compound of formula (IX), cyanide compound of formula (CN-R61-(CN)+p) (X), lithium mono fluorophosphate or lithium difluorophosphate; and (I) is contained in 0.001-2.5 mol/l with respect to the electrolytic solution.    M = monovalent cation;    Y1 = SO2, CO or substituents;    Z = F (preferred) or organic group that may include at least one polymerizable functional group, or that may be perfluorinated;    R11, R12 = H, halo, alkyl or halogenated alkyl;    R13-R16 = H, halo, alkyl, halogenated alkyl, vinyl or allyl, where at least one of R13-R16 is a vinyl or allyl group;    R17 = alkylene;    R21-R30 = H, halo, alkyl or halogenated alkyl, where at least one of R21-R30 is a halo or halogenated alkyl;    R31 = 1-6C alkylene 1-6C, 2-6C alkylene or bridge ring (all optionally substituted);    A = C(=O), SO or SO2;    n = 0 or 1;    X = O or S;    R41, R42 = 1-6C alkyl, 2-6C alkenyl, or 2-6C alkynyl group;    R43 = 1-6C alkylene, 2-6C alkenylene, 2-6C alkynylene or bridge ring (all optionally substituted by halo or alkyl);    R51-R60 = 1-18C alkyl (optionally subsititued), alkenyl, alkynyl, alkoxy or alkylamino, which may be connected to each other to form a ring, where the substituent is a halo or alkyl;    R61 = 136C alkylene, 2-6C alkenylene, 2-36C alkynylene or bridge ring;    p = 0 or more with an upper limit determined by R61;    R71, R72 = alkyl or halogenated alkyl; and    R81, R82 = alkyl.    INDEPENDENT CLAIMS are included for:    (1) battery pack comprising the nonaqueous electrolyte battery, a controller that performs control for the nonaqueous electrolyte battery, and an exterior encasing for the nonaqueous electrolyte battery;    (2) an electronic device comprising the nonaqueous electrolyte battery, where the electronic device receives power from the nonaqueous electrolyte battery;    (3) an electric vehicle comprising the nonaqueous electrolyte battery, a converter that receives power from the nonaqueous electrolyte battery, and converts the received power into the driving power of the vehicle, and a control unit that processes information concerning vehicle control based on information concerning the nonaqueous electrolyte battery;    (4) a power storage device comprising the nonaqueous electrolyte battery, where the power storage device supplies power to an electronic device connected to the nonaqueous electrolyte battery; and    (5) a power system that receives power from the nonaqueous electrolyte battery, or that supplies power to the nonaqueous electrolyte battery from a power generating unit or a power grid.    DESCRIPTION OF DRAWING(S) - The figure shows a cross-sectional view illustrating a configuration of a first nonaqueous electrolyte battery.    Wound electrode unit (20)    Positive electrode (21)    Negative electrode (22)    Separator (23)    Negative electrode lead. (26)