Cell temperature measurement device, cell temperature measurement method, and cell production method

Disclosed are a cell temperature measurement device and a cell temperature measurement method that improve the measurement accuracy of the temperature of a cell. Also disclosed is a cell production method. The cell temperature measurement device, which measures the temperature of a cell, is characterized by being provided with a thermistor equipped with a first electrode and a second electrode, a conductive member having a first end and a second end, and a temperature measurement unit that measures the temperature of the aforementioned cell on the basis of the changes in the characteristics of the aforementioned thermistor, and in that the aforementioned first electrode of the aforementioned thermistor is placed in contact with a case having conducting properties that is equipped in the aforementioned cell, the aforementioned second electrode of the aforementioned thermistor is connected to the aforementioned temperature measurement unit, the aforementioned first end of the aforementioned conductive member is placed in contact with the aforementioned case, and the aforementioned second end of the aforementioned conductive member is connected to the aforementioned temperature measurement unit.