Battery temperature estimation method and device for new energy automobile

The invention provides a battery temperature estimation method and device for a new energy automobile. The method comprises the following steps: acquiring a test result obtained by testing the temperature change of a battery of the new energy automobile; based on a test result, constructing a battery temperature estimation model containing battery heat exchange characteristic parameters; and at least inputting the initial temperature of the battery into the battery temperature estimation model to obtain the current temperature of the battery determined by the battery temperature estimation model. 本申请提供了一种新能源汽车的电池温度估算方法及装置，该方法包括：获取对新能源汽车的电池的温度变化进行测试得到的测试结果；基于测试结果，构建包含电池换热特性参数的电池温度估算模型；至少将电池的初始温度输入电池温度估算模型，得到电池温度估算模型确定的电池的当前温度。