| abstract |
Provided is a method for producing a non-aqueous alkali metal electricity storage element, comprising a voltage application step of applying a voltage to a non-aqueous alkali metal electricity storage element precursor comprising a positive electrode precursor, a negative electrode, a separator, and a non-aqueous electrolytic solution, housed in a casing, wherein a positive electrode active material layer of the positive electrode precursor comprises a positive electrode active material and an alkali metal compound other than the positive electrode active material, wherein comprising (1) pressurizing the precursor from outside thereof before the voltage application step or during the voltage application step, (2) heating the precursor before the voltage application step or during the voltage application step, (3) carrying out constant voltage charge of the precursor after constant current charge of the precursor in the voltage application step, and wherein (4) a C rate of the constant current charge is 1.0 to 100.0 times as large as an electric discharging capacity (Ah) of the obtained non-aqueous alkali metal electricity storage element, and (5) a voltage value of the constant voltage charge is 4.20 V or more. |