(US5153080-A)      All solid state sec. battery comprises an oxide of a layered structure having formula (V2O5)x(A)y.zH2O (I) which serves as a cathode active material, where lithium (alloy) serves as anode active mateiral. In (I) A is GeO2, SiO2, B2O3, MoO3, WO3, Nb2O5, TeO2, Bi2O3, Cr3O8, and/or ZrO2; x + y is l : y is 0.0.5; and z is 0.1-1.6. Electrolyte comprises an oligoalkyleneoxypelyphosphazene contg. a fluoroalkylsuphone gp., complex cpd of Linsalt and an oligoalkyleneoxypolyphosphazene, and/or solution of Li-salt in characteristic polymer.    ADVANTAGE -   Her excellent charge-discharge characteristics, and is useable with safety at low and high temperature.    (JP2819027-B2)      A new totally solid secondary cell comprises an oxide (o) as a positive electrode active material (1), Li or a Li alloy as a negative electrode active material (2) and at least one of (a), (b) and (c), defined below, as electrolyte. The oxide (o) has a laminated film structure and is represented by the following general formula: (V2O5)X(A)y2H2O where x+y = 1; y=0-0.5; z=0.1-1.6; A is one or more of the oxides GeO2, SiO2, B2O3, MoO3, WO3, Nb2O5, TeO2, Bi2O3, Cr3O8/ZrO2. (a) is an olegoalkyleneoxylpolyphosphazene polymer, which has fluoroalkylsulphonic groups having arbitrarily arranged segments represented by (I)-(III). where R is H or CH3; R1 is CH3, C2H5 or C3H7; h and k are real numbers denoting the average repeat number of alkyleneoxy units and h=0-18C and k=0-20 1, m and n are integers which satisfy the following conditions 1+m+n=3-2000000 and 1+n is not equal to = (b) is a complex of olegoalkyleneoxypolyphosphazene and its lithium slats which have arbitrarily arranged segments represented by general formulae (IV)-(VI) where R=H or CH3; R2 = CH3, C2H5, C3H7 or their mixtures; i and j are real numbers representing the repeat number of alkyleneoxy units and i = 0-15 and j = 0-15 p, q and y are zero or positive integers satifying the following eqs. p + q tr = 3-300000 and r is not equal to O. (c) is a polymer, represented by general formula (VIII, in which are mixed its molten lithium salts where R = H or CH3; u is a real number between 1 and 20 representing the average repeat number of alkyleneoxy units and v is a real number between 3 and 200000.    ADVANTAGE -   can be used over a wide temperature range.    (JP3053404-B2)      A new totally solid secondary cell comprises an oxide (o) as a positive electrode active material (1), Li or a Li alloy as a negative electrode active material (2) and at least one of (a), (b) and (c), defined below, as electrolyte. The oxide (o) has a laminated film structure and is represented by the following general formula: (V2O5)X(A)y2H2O where x+y = 1; y=0-0.5; z=0.1-1.6; A is one or more of the oxides GeO2, SiO2, B2O3, MoO3, WO3, Nb2O5, TeO2, Bi2O3, Cr3O8/ZrO2. (a) is an olegoalkyleneoxylpolyphosphazene polymer, which has fluoroalkylsulphonic groups having arbitrarily arranged segments represented by (I)-(III). where R is H or CH3; R1 is CH3, C2H5 or C3H7; h and k are real numbers denoting the average repeat number of alkyleneoxy units and h=0-18C and k=0-20 1, m and n are integers which satisfy the following conditions 1+m+n=3-2000000 and 1+n is not equal to = (b) is a complex of olegoalkyleneoxypolyphosphazene and its lithium slats which have arbitrarily arranged segments represented by general formulae (IV)-(VI) where R=H or CH3; R2 = CH3, C2H5, C3H7 or their mixtures; i and j are real numbers representing the repeat number of alkyleneoxy units and i = 0-15 and j = 0-15 p, q and y are zero or positive integers satifying the following eqs. p + q tr = 3-300000 and r is not equal to O. (c) is a polymer, represented by general formula (VIII, in which are mixed its molten lithium salts where R = H or CH3; u is a real number between 1 and 20 representing the average repeat number of alkyleneoxy units and v is a real number between 3 and 200000.    ADVANTAGE -   can be used over a wide temperature range.