Lithium-ion battery pack containing silica gel heating system

The utility model discloses a lithium-ion battery pack containing a silica gel heating system. The lithium-ion battery pack comprises a heating box (3) and lithium-ion batteries (2), wherein the lithium-ion batteries (2) are arranged in the heating box (3), and the heating box (3) is internally provided with a heating band (1) and a temperature control element (5) which are connected in series. According to the lithium-ion battery pack disclosed by the utility model, an external power supply is used in a low-temperature environment or the batteries are heated by virtue of the heating band, the temperature control element is connected with the heating band in series to control the heating temperature, and a heat preserving layer has a heat preserving effect, so that the lithium-ion battery pack is suitable for conditions such as relatively low working environment temperatures, relatively great discharge rate, heating conditions before discharge and the like, so that the battery pack heated to a moderate temper