Coin-type secondary battery, manufacturing method therefor, and apparatus for charging/discharging coin-type secondary battery

The present invention relates to a coin-type secondary battery and a manufacturing method therefor and, specifically, can provide: a coin-type secondary battery, wherein a solid electrolyte is applied to an anode part, a ion-containing solution comprising sodium, lithium, magnesium and a combination thereof is applied to a cathode part, and the ion-containing solution flows in from the outside of the cathode part; and a manufacturing method therefor.