| 主权项 |
1. 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 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 (1) and (2), and sulfurous acid derivatives represented by the following formulas (3) and (4), 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:wherein in formula (1), R1 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 X1 represents hydrogen, lithium or a C1-12 alkyl group;wherein in formula (2), R2 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, a C3-6 cycloalkyl group, or an aryl group, and X2 and X3 each independently represent hydrogen, lithium or a C1-12 alkyl group;wherein in formula (3), R3 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 X4 represents hydrogen, lithium or a C1-12 alkyl group; andwherein in formula (4), R4 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 X5 and X6 each independently represent hydrogen, lithium or a C1-12 alkyl group. |
