A battery module including: a battery cell stack including a plurality of battery cells; a housing for the battery cell stack; and a thermal conductive layer disposed on the battery cell stack. The thermal conductive layer includes a first thermal conductive layer and a second thermal conductive layer disposed at respective ends of electrode leads of the battery cell in a direction protruding from an upper surface of the battery cell stack.

An electrode assembly and a secondary battery including the same are provided. The electrode assembly includes an electrode stack, in which electrodes and a separator are alternately stacked to be wound, and a temperature difference compensating member disposed at a winding center of the electrode stack such that a temperature difference between a winding outer shell and a winding center of the electrode stack is reduced. The temperature difference compensating member includes a phase change material.

An electrode assembly and a secondary battery including the same are provided. The electrode assembly includes an electrode stack, in which electrodes and a separator are alternately stacked to be wound, and a temperature difference compensating member disposed at a winding center of the electrode stack such that a temperature difference between a winding outer shell and a winding center of the electrode stack is reduced. The temperature difference compensating member includes a phase change material.

In this battery heat exchange structure: a battery cell and a heat exchange panel are closely arranged side by side so that a heat exchange surface of the heat exchange panel follows a side surface of the battery cell, a flow path wall defining a flow path through which a refrigerant circulates along the heat exchange surface is provided in the heat exchange panel, and a storage space surrounded by the flow path wall is filled with a latent heat storage material that undergoes a phase change at a temperature lower than a temperature of the refrigerant F when the refrigerant is supplied. As a result, the heat exchange efficiency between the heat exchange panel and the battery cell can be increased, and the temperature of the battery can be controlled to be within an appropriate temperature range.

The embodiments of this application relate to the technical field of battery, and in particular, to a thermal management system, a method and an equipment. In this thermal management system, a compressor and a condenser form a cooling loop with a thermal exchange pipeline of the battery, and a compressor and an evaporator form a heating loop with a thermal exchange pipeline, so that this thermal management system can provide both cooling and heating for battery, in comparison with the direct cooling system and heating film, this thermal management system features simple structure and high reliability. In addition, the locations of the condenser and the evaporator can be reasonably arranged as required to achieve the secondary utilization of hot air and cold air.

A power storage module includes: a battery block group including a plurality of battery cells; a connecting terminal portion joined to terminal surfaces of the plurality of battery cells; and a heat conductive material arranged in a manner contacting the connecting terminal portion. The heat conductive material includes at least any member of a plurality of interspersed members or a member having a clearance. The heat conductive materials are distributed more densely in a center portion of a region surrounded by an outermost peripheral edge of the battery block group than in peripheral portions surrounding the center portion in a plan view from a normal line direction of an arrangement surface of the heat conductive materials.

A power storage module includes: a battery block group including a plurality of battery cells; a connecting terminal portion joined to terminal surfaces of the plurality of battery cells; and a heat conductive material arranged in a manner contacting the connecting terminal portion. The heat conductive material includes at least any member of a plurality of interspersed members or a member having a clearance. The heat conductive materials are distributed more densely in a center portion of a region surrounded by an outermost peripheral edge of the battery block group than in peripheral portions surrounding the center portion in a plan view from a normal line direction of an arrangement surface of the heat conductive materials.

A vehicle power supply system includes: a battery module; a cooling fan configured to taken in air from a passenger compartment of a vehicle; an upstream-side inlet duct that is disposed on an upstream side of the cooling fan; and a downstream-side inlet duct that is disposed on a downstream side of the cooling fan to connect the cooling fan and the battery module together. The cooling fan is disposed obliquely forwards or obliquely rearwards of the battery module, the downstream-side inlet duct is disposed on a lateral side of the battery module, the downstream-side inlet duct has a branching portion configured to divide air discharged from a discharge port of the cooling fan and to supply the air to the battery module, the branching portion is disposed between the cooling fan and the battery module, and the discharge port is directed towards the battery module.

A vehicle power supply system includes: a battery module; a cooling fan configured to taken in air from a passenger compartment of a vehicle; an upstream-side inlet duct that is disposed on an upstream side of the cooling fan; and a downstream-side inlet duct that is disposed on a downstream side of the cooling fan to connect the cooling fan and the battery module together. The cooling fan is disposed obliquely forwards or obliquely rearwards of the battery module, the downstream-side inlet duct is disposed on a lateral side of the battery module, the downstream-side inlet duct has a branching portion configured to divide air discharged from a discharge port of the cooling fan and to supply the air to the battery module, the branching portion is disposed between the cooling fan and the battery module, and the discharge port is directed towards the battery module.

Provided is a battery module of which temperature can be homogenized regardless of the material. This battery module includes: a first heat dissipation plate and a second heat dissipation plate; a laminated type battery group disposed between the first heat dissipation plate and the second heat dissipation plate and formed by stacking two or more laminated type batteries; and a case housing the laminated type battery group, and the first heat dissipation plate and the second heat dissipation plate, wherein: a third heat dissipation plate is disposed between the two laminated type batteries among the laminated type battery group; each of the first heat dissipation plate, the second heat dissipation plate, and the third heat dissipation plate includes a contact portion in contact with the case, and a flat portion in contact with and opposite to the laminated type battery; and the flat portion of the first heat dissipation plate and the flat portion of the second heat dissipation plate are provided with a plurality of holes.