A battery module according to an exemplary embodiment of the present invention includes: a battery cell stacked body where a plurality of battery cells are stacked; a bus bar frame that is formed in a front side and a rear side of the battery cell stacked body; and a bus bar formed at an outer side of the bus bar frame with reference to the battery cell stacked body and arranged to be electrically connected with an external power source, wherein the bus bar frame includes a plurality of fixing portions that protrude from the bus bar frame to cover an end of the bus bar.

A cap assembly for a battery includes a roll combination member, a terminal combination member, an electrode terminal, a strength reinforcing block, a cap, and a pad assembly. The roll combination member includes at least one opening, so that terminal disposed portions of 2k rolls are capable of passing through the opening and k is an integer greater than 1, wherein one terminal disposed portion is formed by bending portions of central members of two adjacent rolls. The terminal combination member, the electrode terminal, the strength reinforcing block, the cap, and the pad assembly are sequentially combined on the roll combination member, wherein the electrode terminal includes an electrically conductive portion and a thermally conductive portion which surrounds the electrically conductive portion. The cap assembly is electrically connected to the bending portions at the same side of the 2k rolls.

Disclosed is a battery having a positive terminal and a negative terminal and two electrical connection tongues, each tongue secured to one of the terminals thereof. The battery also includes at least one additional connection tongue secured to one of the terminals thereof, forming a radiating element with the electrical connection tongue secured to the same terminal of the battery.

A tab derived from an electrode body and a terminal of a battery are electrically connected to each other using a collector. The collector includes a first conductive member connected to a tab-side conductive member, and a second conductive member connected to a terminal-side conductive member. The collector opposes a sealing plate with an insulating member in between. A through hole and a thin portion provided at a peripheral edge of the through hole are provided in either one of the first conductive member and the second conductive member. The through hole and the other one of the conductive members are overlapped to join the peripheral edge of the through hole and the other one of the conductive members to each other so that the thin portion becomes a fuse. An insulating material is provided between the first conductive member and the second conductive member.

The invention relates to a battery, in particular to a hybrid battery. The invention provides a hybrid battery that is easy to replace a terminal block and has low maintenance cost, comprising a casing and at least two different sets of battery cells arranged in the casing, wherein the casing is detachably provided with a terminal block, the terminal block is electrically connected with the electrode of the battery cells. When in use, the terminal block in the invention can be detached from the hybrid battery in time if the terminal block is oxidized and blackened for long time use, and only the terminal block is replaced instead of the entire hybrid battery, therefore, the maintenance cost of the hybrid battery is low.

A battery cell includes a housing assembly provided with an aperture, an electrode assembly, a conductive strip, and a feed-through assembly including a first gasket, a second gasket, a conductive terminal, and a rivet. The first gasket is disposed on an outer surface of the housing assembly. The second gasket includes an integrally formed second gasket body disposed on an inner surface of the housing assembly and an annular sleeve at least partly located in the aperture. The conductive terminal is disposed on a side of the second gasket facing back from the first gasket. The rivet passes through the first gasket, the aperture, the annular sleeve, the second gasket body, and the conductive terminal, and is electrically connected to the conductive terminal. The rivet abuts against the first gasket and the second gasket to form a seal at the aperture.

A battery module and a vehicle. The battery module includes: a unit battery; an end plate located at an end of the battery module along a length direction; and an output pole base including a mounting part and a matching part which are fixedly connected, where the matching part is made of metal material and is fixedly connected to the end plate to limit the freedom degree of movement of the output pole base relative to the end plate along the height direction, the width direction and the length direction. The plastic structure of the output pole base is added a matching part made of metal material therein and is fixedly connected to the end plate by the matching part.

Systems and methods for a flexible, head-mounted display is provided. The head-mounted display system may comprise a base member and one or more arm members that are coupled to the base member. Each of the arm members are coupled to the base member via a hinge that allows the arm members to move with respect to one another. Interior walls of the arm members and base member may define one or more chambers. One or more first batteries are positioned within a chamber in the first arm member and one or more second batteries are positioned within a chamber in the second arm member. One or more wired connections coupled to the batteries extend through the arm member(s) and hinges, and into one or more chambers in the base member, where the one or more wired connections are coupled to a battery monitor.

A current collecting structure for which the installation space for current collecting plates is not increased more than necessary even if the number of electrodes to be stacked is increased to increase the capacity of a secondary battery is provided. Positive current collecting plates 41a to 41j constituting a positive current collecting plate stacking portion 27 are bent at bent portions 47a to 47j to constitute fixed portions 43a to 43j and welded portions 45a to 45j, respectively. The angles of the bent portions 47a to 47e are 80°, 90°, 100°, 110°, and 120°, respectively. The angles of the bent portions 47f to 47j are 120°, 110°, 100°, 90°, and 80°, respectively. Negative current collecting plates are also bent in the same manner.

An exemplary embodiment of the present invention provides a rechargeable battery with an external short-circuit part having an advantage of preventing foreign materials and moisture from the outside from permeating as well as discharging internal pressure when a membrane is inversely deformed. A rechargeable battery according to an exemplary embodiment of the present invention includes: a case for accommodating an electrode assembly; a cap plate for sealing an opening of the case; a first electrode terminal and a second electrode terminal provided to penetrate the cap plate so as to be electrically connected to the electrode assembly; and an external short-circuit part electrically separating or short-circuiting the first and second electrode terminals outside of the electrode assembly. The external short-circuit part includes a membrane for sealing a short-circuit hole formed in the cap plate.