In a recovery control method for a secondary battery that includes a positive electrode containing a positive electrode active material, a solid electrolyte, and a negative electrode containing a negative electrode active material containing at least a lithium metal or a lithium alloy, and is fastened from an outside, the recovery control method includes: measuring cell resistance of the secondary battery; calculating a recovery limit resistance value indicating an upper limit value of resistance that ensures recovering the secondary battery from a depth of charge/discharge of the secondary battery, a cell temperature of the secondary battery, and a pressure applied to the secondary battery; and inhibiting charging/discharging the secondary battery and executing recovery control that recovers the secondary battery when a resistance value of the cell resistance is equal to or less than the recovery limit resistance value.

A battery energy processing device includes: first and second inductors, first and second phase bridge arms, an energy storage element, and a controller. First ends of the first and second inductors are connected with a positive electrode of a battery. A midpoint of the first phase bridge arm is connected with a second end of the first inductor; A midpoint of the second phase bridge arm is connected with a second end of the second inductor. A first end of the energy storage element is connected with a first confluent end; a second end of the energy storage element is connected with a second confluent end. The controller is configured to control the first and second phase bridge arms to charge and discharge the battery through the first and second inductors to heat the battery. The first and second inductors are in different operating states.

A battery energy processing device includes: first and second inductors, first and second phase bridge arms, an energy storage element, and a controller. First ends of the first and second inductors are connected with a positive electrode of a battery. A midpoint of the first phase bridge arm is connected with a second end of the first inductor; A midpoint of the second phase bridge arm is connected with a second end of the second inductor. A first end of the energy storage element is connected with a first confluent end; a second end of the energy storage element is connected with a second confluent end. The controller is configured to control the first and second phase bridge arms to charge and discharge the battery through the first and second inductors to heat the battery. The first and second inductors are in different operating states.

Heating a battery and cooling an electric power conversion device are achieved together. This mobile body includes an electric motor, a battery, a thermoelectric conversion element, an electric power conversion device, and a controller. The electric motor is a driving source. The electric power conversion device is configured to convert electric power outputted from the battery into driving electric power for the electric motor. The electric power conversion device is disposed in direct contact or in indirect contact with the battery with the thermoelectric conversion element interposed therebetween. The controller is configured to control electric power to be supplied to the thermoelectric conversion element. The controller controls, in a case where the battery is in a predetermined low-temperature state, the electric power to be supplied to the thermoelectric conversion element to cause a surface of the thermoelectric conversion element coupled to the battery to serve as a heat dissipation surface.

A heater apparatus includes a base member, a cover member supported by the base member, a cloth member provided between the base member and the cover member to hold a heater wire, and a heater temperature sensor brought into contact with the cloth member, covered on a base member side facing the base member and a cover member side facing the cover member with the cloth member, and configured to detect a temperature of the heater wire. The cover member has a cover recessed portion recessed towards the base member in an overlapping region where the cloth member on the base member side and the cloth member on the cover member side of the heater temperature sensor overlap.

A battery module, a vehicle, and a method of manufacturing a battery module, the battery module including a housing accommodating a plurality of secondary batteries; and a thermoelectric element assembly on the housing and in contact with the plurality of secondary batteries through at least one contact opening in the housing, the thermoelectric element assembly being configured to heat or cool the plurality of secondary batteries.

A battery module, a vehicle, and a method of manufacturing a battery module, the battery module including a housing accommodating a plurality of secondary batteries; and a thermoelectric element assembly on the housing and in contact with the plurality of secondary batteries through at least one contact opening in the housing, the thermoelectric element assembly being configured to heat or cool the plurality of secondary batteries.

An electrical device including a surface which may be exposed to heat derived from operation of the electrical device such that the temperature of the surface increases during operation. The surface includes a temperature sensor including first and second electrodes separated by a layer of control material. The material properties and/or configuration of the control material are selected such that the electrical conductivity of the control material increases with increasing temperature so that electrical current is able to pass between the first and second electrodes once the temperature of any part of the control material has reached or exceeded a predetermined temperature. The temperature sensor extends over substantially the whole of the surface. A system including the electrical device and a method of controlling the electrical device is also disclosed.

The present disclosure provides a battery pack control method, a system, and a vehicle which are applied to a vehicle having a vehicle-mounted communication terminal, and relates to the technical field of automobiles. Wherein the vehicle includes a heating module and a cooling module; when the vehicle is in a powered-off state, and when a trigger condition of the predetermined timing task is reached, the vehicle is waken up by the vehicle-mounted communication terminal, and then the temperature of the battery pack is controlled so that the temperature of the battery pack is maintained within the preset range, so as to restart and use the vehicle; thus to solve the problems in the prior art that after the vehicle is in a powered-off state, the temperature of the battery pack cannot be controlled using a heat management system, and the temperature of the battery pack is easily too low or too high due to a lower or a higher ambient temperature.

The present disclosure provides a battery pack control method, a system, and a vehicle which are applied to a vehicle having a vehicle-mounted communication terminal, and relates to the technical field of automobiles. Wherein the vehicle includes a heating module and a cooling module; when the vehicle is in a powered-off state, and when a trigger condition of the predetermined timing task is reached, the vehicle is waken up by the vehicle-mounted communication terminal, and then the temperature of the battery pack is controlled so that the temperature of the battery pack is maintained within the preset range, so as to restart and use the vehicle; thus to solve the problems in the prior art that after the vehicle is in a powered-off state, the temperature of the battery pack cannot be controlled using a heat management system, and the temperature of the battery pack is easily too low or too high due to a lower or a higher ambient temperature.