Low-temperature self-heating lithium ion battery system

The utility model provides a low-temperature self-heating lithium ion battery system, and belongs to the technical field of battery heating. The utility model provides a low-temperature self-heating lithium ion battery system. The low-temperature self-heating lithium ion battery system comprises a battery module, a far infrared heating body, a temperature sensor and a wire, according to the utility model, the battery module is used for providing electric energy for the far infrared heating body, so that the whisker carbon nanotube far infrared heating paper layer in the far infrared heating body emits heat, and the battery module is heated; the electric energy discharged by the heated battery module is gradually increased, so that the whisker carbon nanotube heating paper emits higher temperature, and the battery module can normally work in a low-temperature environment through virtuous cycle; meanwhile, the temperature sensor is used for protecting the circuit, and potential safety hazards caused by overlarg