A non-aqueous lithium-type power storage element comprising an electrode laminate body having a negative electrode body, a positive electrode body and a separator, and a non-aqueous electrolyte, housed in an external body, wherein the negative electrode body has a negative current collector, and a negative electrode active material layer that includes a negative electrode active material and that is provided on one or both surfaces of the negative current collector, the negative electrode active material including a carbon material that can occlude and release lithium ions, the negative electrode active material satisfies the inequalities 0.010 ≤ Vm1 ≤ 0.250, 0.001 ≤ Vm2 ≤ 0.200 and 1.5 ≤ Vm1/Vm2 ≤ 20.0, where Vm1 in cm 3 /g is the mesopore volume due to pores with diameters of between 2 nm and 50 nm, inclusive, as calculated by the BJH method, and Vm2 in cm 3 /g is the micropore volume due to pores with diameters smaller than 2 nm as calculated by the MP method, the positive electrode body has a positive current collector, and a positive electrode active material layer that includes a positive electrode active material and that is provided on one or both surfaces of the positive current collector, the positive electrode active material including activated carbon, the non-aqueous electrolyte contains a lithium salt at 0.5 mol/L or greater based on the total amount of the non-aqueous electrolyte, and the negative electrode active material layer includes at least one type of sulfur compound selected from the group consisting of sulfonic acid derivatives represented by the following formulas and, and sulfurous acid derivatives represented by the following formulas and, the total amount of sulfonic acid derivatives and sulfurous acid derivatives being 2.6 × 10 -6 mol/g to 2,000 × 10 -6 mol/g per unit weight of the negative electrode active material, determined as described in the description wherein in formula, R 1 represents a C1-24 alkyl group, a C1-24 mono or polyhydroxyalkyl group or its lithium alkoxide, a C2-24 alkenyl group, a C2-24 mono or polyhydroxyalkenyl group or its lithium alkoxide, a C3-6 cycloalkyl group, or an aryl group, and X 1 represents hydrogen or lithium, wherein in formula, R 2 represents a C1-24 alkyl group, a C3-6 cycloalkyl group, or an aryl group, and X 2 and X 3 each independently represent hydrogen or lithium, wherein in formula, R 3 represents a C1-24 alkyl group, a vinyl group, a C3-6 cycloalkyl group, or an aryl group, and X 4 represents hydrogen or lithium, and wherein in formula, R 4 represents a C1-24 alkyl group, a C3-6 cycloalkyl group, or an aryl group, and X 5 and X 6 each independently represent hydrogen or lithium. the negative electrode body has a negative current collector, and a negative electrode active material layer that includes a negative electrode active material and that is provided on one or both surfaces of the negative current collector, the negative electrode active material including a carbon material that can occlude and release lithium ions, the negative electrode active material satisfies the inequalities 0.010 ≤ Vm1 ≤ 0.250, 0.001 ≤ Vm2 ≤ 0.200 and 1.5 ≤ Vm1/Vm2 ≤ 20.0, where Vm1 in cm 3 /g is the mesopore volume due to pores with diameters of between 2 nm and 50 nm, inclusive, as calculated by the BJH method, and Vm2 in cm 3 /g is the micropore volume due to pores with diameters smaller than 2 nm as calculated by the MP method, the positive electrode body has a positive current collector, and a positive electrode active material layer that includes a positive electrode active material and that is provided on one or both surfaces of the positive current collector, the positive electrode active material including activated carbon, the non-aqueous electrolyte contains a lithium salt at 0.5 mol/L or greater based on the total amount of the non-aqueous electrolyte, and the negative electrode active material layer includes at least one type of sulfur compound selected from the group consisting of sulfonic acid derivatives represented by the following formulas and, and sulfurous acid derivatives represented by the following formulas and, the total amount of sulfonic acid derivatives and sulfurous acid derivatives being 2.6 × 10 -6 mol/g to 2,000 × 10 -6 mol/g per unit weight of the negative electrode active material, determined as described in the description wherein in formula, R 1 represents a C1-24 alkyl group, a C1-24 mono or polyhydroxyalkyl group or its lithium alkoxide, a C2-24 alkenyl group, a C2-24 mono or polyhydroxyalkenyl group or its lithium alkoxide, a C3-6 cycloalkyl group, or an aryl group, and X 1 represents hydrogen or lithium, wherein in formula, R 2 represents a C1-24 alkyl group, a C3-6 cycloalkyl group, or an aryl group, and X 2 and X 3 each independently represent hydrogen or lithium, wherein in formula, R 3 represents a C1-24 alkyl group, a vinyl group, a C3-6 cycloalkyl group, or an aryl group, and X 4 represents hydrogen or lithium, and wherein in formula, R 4 represents a C1-24 alkyl group, a C3-6 cycloalkyl group, or an aryl group, and X 5 and X 6 each independently represent hydrogen or lithium.