The secondary battery module includes: A secondary battery module, comprising: a plurality of sub modules, each including battery cell and cooling fin wherein the battery is disposed on both side surfaces of the cooling fin; a cooling plate which is coupled to the plurality of the sub modules; and side structures having bus bars, wherein a terminal unit is disposed at each of the plurality of sub modules, wherein the terminal unit includes a contact terminal disposed between electrode tabs of the battery cells; and a wing terminal which extends outwardly from one end of the contact terminal, wherein the terminal unit disposed at one of the plurality of sub modules is connected with another terminal unit disposed at another sub module by one of the bus bars.

A rechargeable energy storage system (RESS) includes a battery controller and battery modules, each respective module having battery cells, a cell sense board, and a semiconductor switch. The switch is connected in parallel with the cells within the respective module, and configured to conduct an electrical current during a thermal runaway propagation (TRP) event in which one or more cells is in an open-circuit state. This action bypasses the module and enables electrical components to be powered by the RESS during the TRP event. A battery electric system includes a direct current (“DC”) voltage bus, an electrical component connected thereto, the battery controller, and the RESS. A method for constructing the RESS includes connecting a respective semiconductor switch in parallel with the at least one battery cell of each respective one of the multiple battery modules, and electrically connecting the multiple battery modules together to construct the RESS.

A battery pack includes: a bare cell including an electrode terminal on a first surface thereof; a holder at the first surface and including a fixing groove at an upper surface thereof; a protection circuit module at the fixing groove and electrically connected to the bare cell; and a protection member attached to the protection circuit module. The protection member is attached to an upper surface of the protection circuit module, and the upper surface is at a lower height than upper edges of the fixing groove. An upper surface of the protection member is at a height that is the same as or lower than a height of edges of the holder.

The present disclosure relate to a base material assembly including a first base material made of a conductive material, a second base material made of a conductive material, spaced apart from the first base material to face the first base material, and coupled with the first base material by riveting, a plurality of emboss members each protruding from an inside surface of the second base material to point-contact a plane of an inside surface of the first member, and the first base material and the second base material are mechanically and electrically connected through the plurality of emboss members.

The present invention includes a fuel cell system having a plurality of adjacent electrochemical cells formed of an anode layer, a cathode layer spaced apart from the anode layer, and an electrolyte layer disposed between the anode layer and the cathode layer. The fuel cell system also includes at least one interconnect, the interconnect being structured to conduct free electrons between adjacent electrochemical cells. Each interconnect includes a primary conductor embedded within the electrolyte layer and structured to conduct the free electrons.

A first secondary battery cell and a second secondary battery cell each having a cylindrical shape and connected in series and/or in parallel with each other are aligned and housed in such postures that side surfaces of the cylindrical shapes face each other. A battery pack includes: a longitudinal partition plate disposed at an interface between the first secondary battery cell and the second secondary battery cell housed in an internal space of a housing case; a lead plate that crosses the longitudinal partition plate; and a lateral partition plate that covers the end surfaces of the first secondary battery cell and the second secondary battery cell. The lateral partition plate and the lead plate pass through a longitudinal side slit in a state of overlap between the lateral partition plate and the lead plate.

A first secondary battery cell and a second secondary battery cell each having a cylindrical shape and connected in series and/or in parallel with each other are aligned and housed in such postures that side surfaces of the cylindrical shapes face each other. A battery pack includes: a longitudinal partition plate disposed at an interface between the first secondary battery cell and the second secondary battery cell housed in an internal space of a housing case; a lead plate that crosses the longitudinal partition plate; and a lateral partition plate that covers the end surfaces of the first secondary battery cell and the second secondary battery cell. The lateral partition plate and the lead plate pass through a longitudinal side slit in a state of overlap between the lateral partition plate and the lead plate.

An electricity storage module that includes: a plurality of electricity storage elements each including positive and negative lead terminals protruding outward from end portions thereof; a stack in which the plurality of electricity storage are stacked and adjacent ones of the lead terminals of opposite polarities are connected to each other; bus bars that are individually connected to those of the lead terminals connected in order that are located at opposite ends and that have mutually opposite polarities; and voltage detection terminals that are connected to terminal ends of voltage detection lines and individually connected to the electricity storage elements, wherein the lead terminals, the bus bars, and the voltage detection terminals are collectively connected by laser welding.

The present application provides a top cover of a power battery, including a top cover plate, a first electrode unit and a second electrode unit, the top cover plate is provided with a deformable plate connecting hole and an insulation piece accommodating portion, the first electrode unit includes a deformable plate, a conductive plate and a first insulation piece, the deformable plate seals the deformable plate connecting hole, the conductive plate is located underneath the deformable plate, the first insulation piece includes a top cover plate connecting portion and a conductive plate connecting portion, the top cover plate connecting portion extends into the insulation piece accommodating portion and is fixed thereof, the conductive plate is insulated and fixed with the top cover plate through the conductive plate connecting portion. The present application further provides a power battery, including the top cover of the power battery.

A circuit board, which includes at least one contact surface for electrical contacting with a contact partner, so that an electric current may be transferred between the circuit board and the contact partner, the circuit board including structures in at least one contact area, which are designed to pierce through contaminant layers and/or oxide layers present on the contact partner, the contact area including the contact surface.