There are provided a battery module configured to delay the occurrence of a fire in the event of thermal runaway of a battery cell in the battery module and a battery pack comprising the battery module. The battery module according to the present disclosure includes a module case, at least one battery cell disposed in the module case, at least two coolant jet spray nozzles to spray a jet of coolant into the module case, and coolant tanks connected to the coolant jet spray nozzles, wherein low melting point metal valves are mounted in inlets of the coolant jet spray nozzles respectively, and have different melting points for each nozzle.

A lithium ion battery with an internal heating device including a cell provided inside the battery, a first cell tab and a second cell tab provided at the upper end of the cell, and the first cell tab and the second cell tab respectively connected to the cell, a heat generating device inside the cell and including a first layer of heating sheet respectively connected to a first tab of the first layer and a second tab of the first layer extending outside of the cell, a control switch composed of a first control switch and a second control switch, wherein an external equipment and the second control switch form a first branch, the first and second cell tabs and the cell form a second branch, and the first and second tabs, the first layer, and the first control switch form a third branch.

A nested structure lithium ion battery capable of reducing a risk of thermal runaway includes a metal housing and a battery cell filled in the housing. The housing includes an inner cylinder and an outer cylinder. The inner cylinder is located in a through hole in the center of the outer cylinder, and there is a gap between a side wall of the inner cylinder and a secondary outer wall of the outer cylinder. The battery cell includes an outer battery cell and an inner battery cell. The outer battery cell is filled in a cavity of the outer cylinder, and the inner battery cell is filled in a cavity of the inner cylinder. This nested structure lithium ion battery divides the battery cell into two parts. The gap is used as a heat dissipation channel in a high temperature environment.

An electronic device is provided, including: a battery, and a heater configured to heat the battery as a first heating function of the heater, the heater being further configured to perform a second heating function, the first heating function being different from the second heating function, the electronic device being configured to switch between the first and the second heating functions of the heater in dependence on a temperature of the battery, the electronic device being an aerosol-generating device, and in which heating an aerosol-forming substrate is the second heating function. An aerosol-generating system including an aerosol-generating article and the electronic device, and a method for operating the electronic device, are also provided.

An electronic device is provided, including: a battery, and a heater configured to heat the battery as a first heating function of the heater, the heater being further configured to perform a second heating function, the first heating function being different from the second heating function, the electronic device being configured to switch between the first and the second heating functions of the heater in dependence on a temperature of the battery, the electronic device being an aerosol-generating device, and in which heating an aerosol-forming substrate is the second heating function. An aerosol-generating system including an aerosol-generating article and the electronic device, and a method for operating the electronic device, are also provided.

An electrochemical apparatus includes a first electrode plate, a first terminal, and a second tenninal. The first electrode plate includes a composite current collector, and the composite current collector includes a base layer, a first conductive layer, and a second conductive layer, where the first conductive layer includes a first zone and a second zone, and the first terminal and the second terminal are electrically connected to the first zone. In the electrochemical apparatus and the electric device provided in this application, a heating zone is provided on the composite current collector to connect a heating circuit, a method to introduce a heating structure is optimized, thereby effectively alleviating many problems caused by existing heating methods.

A system for managing a battery removal from an electronic device is provided. The electronic device includes a battery interface including multiple battery coupling contacts that engage with battery contacts of the battery in an installed position of the battery. A battery removal detector is configured to detect, based on signals received via the battery interface, an ongoing battery removal process during which first battery contact(s) are disconnected from corresponding first interface contact(s) while second battery contact(s) remain connected with second battery coupling contact(s), and in response, to output a battery removal signal. The system also includes a controller that receives the battery removal signal and, still during the battery removal process, controls a memory device of the electronic device to prevent or complete a defined operation (e.g., writing of persistent storage keys) prior to completion of the battery removal process, to thereby prevent a corruption of the memory device.

Describes is a battery booster for jumpstarting a vehicle having an external battery. The battery booster comprising a set of electrical conductors, a power supply configured to supply a starting current to jump start the vehicle via the set of electrical conductors, a boost switch positioned in-line between the power supply and a set of battery clamps on one of the set of electrical conductors; and at least one processor configured to output a control signal to close the boost switch as a function of one or more parameters of the power supply, the external battery, or the vehicle. The set of electrical conductors are configured to couple with the external battery or with an engine that is electrically coupled with the external battery via the set of battery clamps. The set of electrical conductors comprises a positive electrical conductor and a negative electrical conductor. The power supply comprises a plurality of lithium battery cells arranged to form a lithium battery having a positive terminal and a negative terminal.

A battery heating apparatus configured to be connected to a traction battery and heat the traction battery. The battery heating apparatus includes a heating module including a first leg, a second leg, and an energy storage element, and a control module configured to control the first leg and the second leg to form a loop via which the traction battery discharges to the energy storage element and a loop via which the energy storage element charges the traction battery, so as to heat the traction battery during discharge and charge.

A battery heating apparatus configured to be connected to a traction battery and heat the traction battery. The battery heating apparatus includes a heating module including a first leg, a second leg, and an energy storage element, and a control module configured to control the first leg and the second leg to form a loop via which the traction battery discharges to the energy storage element and a loop via which the energy storage element charges the traction battery, so as to heat the traction battery during discharge and charge.