Abstract:
A rechargeable battery includes a case, a cap plate coupled with the case, a terminal passing though a terminal hole in the cap plate, the terminal hole, and a sealing member in the terminal hole partially enclosing the terminal. The terminal includes an upper connecting part extending outside the case from a middle connecting part, and a current collector connecting part extending inside the case from the middle connecting part. The sealing member includes an upper sealing part seated on the cap plate and a lower sealing part disposed in and affixed to the terminal hole in a sealing relationship with respect thereto, the upper sealing part being between the cap plate and the upper connecting part to support the upper connecting part in a spaced apart relationship with the cap plate, the lower sealing part being between the current collector connecting part and an entirety of the terminal hole.
Abstract:
A rechargeable battery includes a case, an electrode assembly disposed in the case, and an insulating member disposed in the case, the insulating member being fixed to the electrode assembly, the insulating member including a first portion and a second portion, the second portion extending from the first portion and contacting the electrode assembly at a coated region of the electrode assembly.
Abstract:
A battery module includes an electrode assembly in a case, at least one current collector in the case, the current collector being electrically connected to the electrode assembly, a cap plate covering the case, the cap plate including a safety vent and at least one terminal inserter penetrating the cap plate, at least one terminal part including a terminal plate outside the case and a connector connecting the at least one current collector to the terminal plate through the at least one terminal inserter, at least one fixing member fixing the terminal part into the cap plate, and a groove pattern in an area of the cap plate adjacent to the safety vent.
Abstract:
A rechargeable battery includes an electrode assembly including first and second electrodes, a case having the electrode assembly embedded therein, a cap plate coupled to an opening of the case, and an insulating member between the electrode assembly and the case. The insulating member includes a first support frame and a second support frame that are spaced apart from each other and an insulating film attached to the first and second support frames.
Abstract:
A rechargeable battery may include an electrode assembly that performs a charge and discharge action, a case in which the electrode assembly is inserted, a cap plate coupled to an opening of the case, and an electrode terminal in a terminal hole of the cap plate. The electrode terminal may include a plate terminal outside the cap plate and corresponding to the terminal hole, the plate terminal including a through-hole, a first groove, and a second groove, and a rivet terminal, the rivet terminal passing through the terminal hole, being inserted in the through-hole, and being riveted to the plate terminal at an upper end of the rivet terminal. The first groove may extend from the through-hole at an upper end side of the rivet terminal, and the second groove may extend from the first groove to an outer side of the plate terminal.
Abstract:
A rechargeable battery includes an electrode assembly in a battery case, and a buffer sheet between the electrode assembly and the battery case, the buffer sheet contacting the electrode assembly and the battery case.
Abstract:
A secondary battery including an electrode assembly, the electrode assembly including a separator between a positive electrode and a negative electrode; current collectors, the current collectors being electrically connected to the positive electrode and the negative electrode, respectively; a case, the case accommodating the electrode assembly and the current collectors; a cap plate, the cap plate coupled to an opening in the case; and an insulating film, the insulating film insulating the electrode assembly and the electrode collectors from the case, wherein the insulating film includes a protuberance pattern on at least one surface thereof to compensate for vibration of the electrode assembly current collectors with respect to the case.
Abstract:
A rechargeable battery includes an electrode assembly that performs charging and discharging operations, a case that accommodates the electrode assembly therein, a cap plate coupled to the case, an electrode terminal connected to the electrode assembly and mounted in a terminal hole of the cap plate, and an insulation member that coats the case. The insulation member has a protruding portion that protrudes from an external circumference of the cap plate along a surface of the cap plate. The protruding portion has an exhaust groove on at least one side thereof.
Abstract:
A battery includes a case accommodating an electrode assembly, the case including an opening at one end and including at least one sidewall, the sidewall having a coupling portion adjacent to the opening, a cap plate that closes the opening, the cap plate having an upper surface, the coupling portion of the sidewall connecting the cap plate to the case, the coupling portion including a top surface of the sidewall, the cap plate overlying a first portion of the top surface of the sidewall, such that the upper surface of the cap plate is entirely above top surface of the sidewall, and a welding bead contacting the cap plate and a second portion of the top surface of the sidewall, the second portion of the top surface being between the first portion and an outer surface of the sidewall.
Abstract:
A battery module including a plurality of rechargeable batteries each having terminals; and a connection member electrically connecting terminals of neighboring ones of the rechargeable batteries, wherein the connection member includes a terminal hole into which one of the terminals is inserted, and a mounting portion that protrudes inwardly at the terminal hole, and wherein each terminal includes a support portion contacting the mounting portion and supporting the mounting portion.