PROBLEM TO BE SOLVED: To maintain the quality of a frozen object and thaw it in a short time.SOLUTION: A thawing device has a storage chamber 10 that stores an object X to be thawed, a temperature control device 11 that controls a temperature of the inside of the storage to be lower than a melting point of the object, an electrode 13 that generates an electric field at a position where the object is disposed, and an electrode control device 14 that applies a voltage to the electrode 13 under a condition defined according to the object X.COPYRIGHT: (C)2015,JPO&INPIT【課題】冷凍された対象物を品質維持するとともに短時間で解凍する。【解決手段】解凍する対象物Xを収納する収納室10と、前記収納室内の温度を対象物の融点よりも低い温度に制御する温度制御装置11と、対象物の配置位置に電場を発生させる電極13と、対象物Xに応じて定められる条件で、電極13に電圧を印加する電極制御装置14とを備える。【選択図】図1