A battery module with an ability of homogenizing temperatures includes at least one battery pack and at least one temperature homogenizing element. The at least one battery pack includes a plurality of batteries. The plurality of the batteries are divided into a middle group of the batteries and an outer group of the batteries. The outer group of the batteries surround the middle group of the batteries. The at least one temperature homogenizing element is mounted around the middle group of the batteries. The at least one temperature homogenizing element has a plurality of fixing holes. The middle group of the batteries are inserted into the plurality of the fixing holes, and the outer group of the batteries are attached to an outer surface of an outer wall of the at least one temperature homogenizing element.

A battery module for a traction battery of an electric vehicle is disclosed. The battery module includes a heat transfer surface for tempering cells of the battery module and at least one cavity disposed between partial surfaces of the heat transfer surface for receiving excess heat conductive material.

A battery module for a traction battery of an electric vehicle is disclosed. The battery module includes a heat transfer surface for tempering cells of the battery module and at least one cavity disposed between partial surfaces of the heat transfer surface for receiving excess heat conductive material.

Provided is a method for designing a battery module including a cell assembly in which a plurality of battery cells are stacked and a module case having an internal space in which the cell assembly is accommodated, the method including: a) setting a lowermost portion of the module case with respect to a direction of gravity as a design side, and setting a region between the design side and the cell assembly as a design space; and b) obtaining a relative permittivity ε.sub.r of the design space satisfying Equation 1 ε.sub.rε.sub.0A.sub.0/T.sub.1≤PCy by assuming that a shape of the design space is a form of a film having an area of A.sub.0 and a thickness of T.sub.0.

A battery assembly of an electronic vaporization device includes: a housing; a battery core located in the housing; and a heat dissipating element located in the housing and disposed on the battery core, the heat dissipating element dissipating heat generated by the battery core. In an embodiment, a first side of the heat dissipating element is in contact with the battery core, and a second side of the heat dissipating element is in contact with the housing.

A battery assembly of an electronic vaporization device includes: a housing; a battery core located in the housing; and a heat dissipating element located in the housing and disposed on the battery core, the heat dissipating element dissipating heat generated by the battery core. In an embodiment, a first side of the heat dissipating element is in contact with the battery core, and a second side of the heat dissipating element is in contact with the housing.

A battery pack assembly includes a housing, a battery cell assembly, and a fan. The housing having a plurality of sides and defining an internal cavity. The battery cell assembly positioned in the internal cavity. The battery cell assembly includes a plurality of battery cells and a frame supporting the battery cells. The frame includes a first support member, a second support member, and a plurality of leg members connecting the first support member and the second support member. The first support member and the second support member each has a body extending between a first edge and a second edge opposite the first edge. The body defines a plurality of openings configured to align with one of the battery cells. The fan is configured to circulate air within the housing and through the battery cell assembly.

A battery pack assembly includes a housing, a battery cell assembly, and a fan. The housing having a plurality of sides and defining an internal cavity. The battery cell assembly positioned in the internal cavity. The battery cell assembly includes a plurality of battery cells and a frame supporting the battery cells. The frame includes a first support member, a second support member, and a plurality of leg members connecting the first support member and the second support member. The first support member and the second support member each has a body extending between a first edge and a second edge opposite the first edge. The body defines a plurality of openings configured to align with one of the battery cells. The fan is configured to circulate air within the housing and through the battery cell assembly.

A temperature equalization and heat dissipation container structure of a lithium battery and a combination module thereof are disclosed. The temperature equalization and heat dissipation container structure of lithium battery includes a base and a housing frame erected on the base. The housing frame includes a pair of first heat conducting walls spaced apart from each other and a pair of second heat conducting walls spaced apart from each other. The base, the first heat conducting walls and the second heat conducting walls are enclosed to form a hollow accommodating area, and the pair of first heat conducting walls are erected with a pitch gradually widening from bottom to top.

A battery pack includes a plurality of battery modules including battery cells; a pack frame accommodating the battery modules; a pack refrigerant pipe assembly connected to the battery module; and a pack refrigerant pipe housing accommodating the pack refrigerant pipe assembly.