A device may include a circular connector flange with a plurality of holes located within a circumference of the circular connector flange and a center through hole with a ledge. A device may include a circular dielectric spacer sized to fit in the center through hole on the ledge with a surface opposite the ledge with the circular connector flange surface. A device may include a concentric conductor circle within the circular dielectric spacer, the concentric conductor circle configured to connect to a wire on a side of the concentric conductor circle on the ledge and configured to mate with a similar conductor circle on the surface opposite the ledge.

The invention addresses key challenges in electric transportation by introducing novel solutions for electric vehicles (EVs) and their batteries, Recharge time is reduced to 2-5 minutes through optimized battery design and automated charging systems. Battery performance is enhanced via thermal management using a dedicated hydrogen-based heating and cooling system. Vehicle range is extended by reserving the main battery for propulsion, while cabin climate control is handled separately using a hydrogen heater and a hydrogen-powered compressor for air conditioning. An electric vehicle integrating these features is referred to as an Efficient Electric Vehicle (EEV).

A connector includes terminals, and a movable housing capable of displacing with respect to a mounting target. The terminals include displacing portions that displace together with the movable housing, and the displacing portions include one side contact portions that contact a connection target from a one-side. The inner connector includes add members retained in the movable housing. The add members include other-side contact portions that contact the relay connector from an other-side. The add members are formed as separate bodies to the terminals.

A connector includes terminals, and a movable housing capable of displacing with respect to a mounting target. The terminals include displacing portions that displace together with the movable housing, and the displacing portions include one side contact portions that contact a connection target from a one-side. The inner connector includes add members retained in the movable housing. The add members include other-side contact portions that contact the relay connector from an other-side. The add members are formed as separate bodies to the terminals.

A battery module of the present disclosure includes: a cell assembly including at least one battery cell; a module case accommodating the cell assembly; and a module connector mounted on a mounting surface outside the module case, electrically connected to the cell assembly, and connectable to an external connector outside the module case. The module connector may include a body portion connected to a terminal coupled to the battery cell, and a fastening portion configured to have elasticity on one side of the body portion facing the mounting surface of the module case.

A battery module of the present disclosure includes: a cell assembly including at least one battery cell; a module case accommodating the cell assembly; and a module connector mounted on a mounting surface outside the module case, electrically connected to the cell assembly, and connectable to an external connector outside the module case. The module connector may include a body portion connected to a terminal coupled to the battery cell, and a fastening portion configured to have elasticity on one side of the body portion facing the mounting surface of the module case.

An electrical connector assembly includes a metal cage and a receptacle connector. The metal cage includes: a top wall; a pair of side walls extending downwardly from two sides of the top wall; and a rear wall connected to the top wall and the pair of side walls, the top wall, the pair of side walls, and the rear wall cooperated to form a receiving space with a front opening. The receptacle connector is received in the receiving space and includes plural soldering feet for soldering on an external circuit board, wherein each of the pair of side walls and the rear wall has a slot.

An electrical connector assembly includes a metal cage and a receptacle connector. The metal cage includes: a top wall; a pair of side walls extending downwardly from two sides of the top wall; and a rear wall connected to the top wall and the pair of side walls, the top wall, the pair of side walls, and the rear wall cooperated to form a receiving space with a front opening. The receptacle connector is received in the receiving space and includes plural soldering feet for soldering on an external circuit board, wherein each of the pair of side walls and the rear wall has a slot.

An electrical connector assembly includes an electrical connector and a heat dissipation module. The electrical connector includes an insulating housing and plural terminals fixed to the insulating housing. The insulating housing has a card slot. The terminals extend into the card slot. The electrical connector has a support face. One end of the heat dissipation module is arranged on the support face of the electrical connector. The electrical connector has an additional terminal exposed at the support face. The heat dissipation module comprises an additional-function module and an interface port connected to the additional-function module. One end of the heat dissipation module is disposed on the support face so that the interface port contacts the additional terminal and a working circuit of the additional-function module is connected, allowing the heat dissipation module to have additional functions and be easy to operate.

An electrical connector assembly includes an electrical connector and a heat dissipation module. The electrical connector includes an insulating housing and plural terminals fixed to the insulating housing. The insulating housing has a card slot. The terminals extend into the card slot. The electrical connector has a support face. One end of the heat dissipation module is arranged on the support face of the electrical connector. The electrical connector has an additional terminal exposed at the support face. The heat dissipation module comprises an additional-function module and an interface port connected to the additional-function module. One end of the heat dissipation module is disposed on the support face so that the interface port contacts the additional terminal and a working circuit of the additional-function module is connected, allowing the heat dissipation module to have additional functions and be easy to operate.