Abstract: An energy storage apparatus includes: energy storage devices each of which has a container and an electrode terminal; a connecting member which is connected to the electrode terminal of one of the energy storage devices and is connected to an external conductive member; and a restricting portion which is in contact with the container, which said one energy storage device includes, and is in contact with the connecting member to restrict the connecting member from moving by an external force.

Abstract: An energy storage apparatus includes: energy storage devices each of which has a container and an electrode terminal; a connecting member which is connected to the electrode terminal of one of the energy storage devices and is connected to an external conductive member; and a restricting portion which is in contact with the container, which said one energy storage device includes, and is in contact with the connecting member to restrict the connecting member from moving by an external force.

Abstract: A battery includes: an electrode stacked body; a battery case that accommodates the electrode stacked body; positive and negative electrode terminals that are provided so as to communicate inside and outside of the battery case with each other; a lead that electrically connects tabs of the electrode stacked body to the electrode terminals; and an insulated lead insulating cover in which a space is formed so that the lead enters and a terminal through-hole is formed so that one end of the electrode terminal enters the space therethrough. An insulated lead insulating cover includes a first cover component and a second cover component that cooperatively form the space and the terminal through-hole with each other, and the first cover component and the second cover component respectively include engagement portions engaging removable with each other.

Abstract: There is a provided a secondary battery capable of preventing unloading and rotating caused by possible vibration or shock by increasing a coupling force among the vent plate, the insulator, and the cap-down that compose the cap assembly of the secondary battery. To increase the coupling force among the vent plate, the insulator, and the cap-down, protrusions and corresponding grooves or holes, and grooves with step areas may be formed. Alternatively, a plurality of insulators may be formed in a divided form. A secondary battery with a reliable cap assembly can be implemented through such a structural change.

Abstract: A secondary battery has a depression having a thickness less than that of other portions of the periphery of a cap plate or a can. The depression includes a rupture section having a smallest thickness in the depression and further includes wrinkles between the rupture section and the periphery of the depression. Furthermore, the secondary battery is manufactured by a method including: a first coining step of forming the thickness of some portions of the cap plate or the can to be less than that of other peripheral portions thereof; a second coining step of forming wrinkles on the periphery of some portions where the first coining has been performed; and a third coining step of forming a rupture section having the smallest thickness in the depression on an inner side of the wrinkles.

Abstract: A rechargeable battery that prevents a concentration of stress on a coupling portion of a lead tab and a cap assembly at a time of bending the lead tab so as to not damage the coupling portion includes: an electrode assembly having a first electrode, a second electrode, and a separator interposed between the first and second electrodes; a case to receive the electrode assembly and having an open top portion; a cap assembly arranged on the top portion of the case; a lead tab having one end affixed to the cap assembly to electrically connect the cap assembly to the first electrode; and a stopper fixed to the cap assembly and having one end arranged on the lead tab, the stopper allowing a portion of the lead tab contacting the one end of the stopper to be bent when the lead tab is bent.

Abstract: A rechargeable battery includes: an electrode group including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a case housing the electrode group; a cap-up electrically connected with the electrode group and combined with the case; a vent plate installed below the cap-up and having a notch; and a heterogeneous metallic member installed between the cap-up and the vent plate and made of a clad metal, whereby the stability and outputting of the rechargeable battery can be improved.

Abstract: The battery according to the present invention includes, a first electrode plate which has a potential of a first polarity; a second electrode plate which includes a contact unit, and has a potential of a second polarity; a separator which is arranged between the first electrode plate and the second electrode plate; and a conductive battery container in which the first electrode plate, the second electrode plate, and the separator are accommodated, and in which the contact unit comes into contact with the battery container.

Abstract: A secondary battery of the invention includes: an electrode terminal; a plurality of electrode plates (4) arranged side by side; and a plurality of connection plates (7) stacked each other, and electrically connecting the electrode terminal to the plurality of electrode plates (4) by connecting one ends of the connection plates to the electrode terminal and by connecting the other ends of the connection plates to the electrode plates, wherein the connection plates (7) are folded in a meandering shape between the electrode terminal and the plurality of electrode plates (4).

Abstract: A rechargeable battery includes an electrode array for generating current, a case for containing the electrode array and a cap electrically connected to the electrode array through the case. The rechargeable battery also includes a current interruption device having a connection to electrically connect the electrode array and the cap assembly and a magnet proximate the connection of the current interruption device for forming a magnetic field at the connection.

Abstract: A battery includes: an electrode stacked body; a battery case that accommodates the electrode stacked body; positive and negative electrode terminals that are provided so as to communicate inside and outside of the battery case with each other; a lead that electrically connects tabs of the electrode stacked body to the electrode terminals; and an insulated lead insulating cover in which a space is formed so that the lead enters and a terminal through-hole is formed so that one end of the electrode terminal enters the space therethrough. An insulated lead insulating cover includes a first cover component and a second cover component that cooperatively form the space and the terminal through-hole with each other, and the first cover component and the second cover component respectively include engagement portions engaging removable with each other.

Abstract: Provided is a secondary battery including: a battery case; a stacked body that is housed inside the battery case and includes a plurality of electrode plates; and a frame that is arranged between the stacked body and the battery case and engages a plurality of insulating plates with each other to surround the stacked body in an annular shape, wherein end surfaces of two of the insulating plates engaging with each other are respectively provided with an engaging portion or a engaged portion, and wherein the engaging portion formed in the end surface of one of the two insulating plates engages with the engaged portion of the other of the two insulating plates, so that the stacked body is surrounded in an annular shape by the insulating plates.

Abstract: A secondary battery 101 in accordance with the present invention includes a square battery can 1 including a positive electrode terminal 8 and a negative electrode terminal 9, an electrode assembly G arranged in the square battery can 1, and in which a sheet-shaped positive electrode 2 electrically connected to the positive electrode terminal 8 and a sheet-shaped negative electrode 3 electrically connected to the negative electrode terminal 9 are laminated with a separator interposed therebetween, first and second auxiliary insulating sheets 4 arranged at opposite to sandwich the electrode assembly G therebetween from long sides of a surface of the square battery can 1 on which the positive electrode terminal 8 and the negative electrode terminal 9 are formed, respectively, and third and fourth auxiliary insulating sheets 5 having substantially the same size as an internal length of the square battery can 1 in a width direction of the surface, and arranged at opposite to sandwich the electrode assembly G ther

Abstract: A secondary battery 101 in accordance with the present invention includes a secondary battery 101 including a square battery can 1 including a positive electrode terminal 8 and a negative electrode terminal 9, an electrode assembly G disposed in the square battery can 1, and formed of a sheet-shaped positive electrode 2 electrically connected to the positive electrode terminal 8 and a sheet-shaped negative electrode 3 electrically connected to the negative electrode terminal 9 to be laminated with a separator interposed therebetween, and first and second auxiliary insulating sheets 4 which are respectively disposed at opposite positions on long sides of a surface of the square battery can 1 on which the positive electrode terminal 8 and the negative electrode terminal 9 are formed to sandwich the electrode assembly G The secondary battery is characterized by first and second retainers 5 having substantially the same width as an internal length of the square battery can 1 in a direction of the short side of th

Abstract: A rechargeable battery including an electrode assembly, a case, a cap assembly, and a core. The electrode assembly includes an anode, a cathode, and a separator interposed between the anode and the cathode. The case has a space for housing the electrode assembly. The cap assembly is connected to the case and electrically connected to the electrode assembly. The core is disposed inside the electrode assembly, and has a distance between the exterior and the center thereof at one end in a length direction that is greater than a distance between the exterior and the center thereof at the center in the length direction.

Abstract: A rechargeable battery includes: an electrode group including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode; a case housing the electrode group; a cap-up electrically connected with the electrode group and combined with the case; a vent plate installed below the cap-up and having a notch; and a heterogeneous metallic member installed between the cap-up and the vent plate and made of a clad metal, whereby the stability and outputting of the rechargeable battery can be improved.

Abstract: A rechargeable battery includes an electrode array for generating current, a case for containing the electrode array and a cap electrically connected to the electrode array through the case. The rechargeable battery also includes a current interruption device having a connection to electrically connect the electrode array and the cap assembly and a magnet proximate the connection of the current interruption device for forming a magnetic field at the connection.

Abstract: A rechargeable battery including an electrode assembly, a case, a cap assembly, and a core. The electrode assembly includes an anode, a cathode, and a separator interposed between the anode and the cathode. The case has a space for housing the electrode assembly. The cap assembly is connected to the case and electrically connected to the electrode assembly. The core is disposed inside the electrode assembly, and has a distance between the exterior and the center thereof at one end in a length direction that is greater than a distance between the exterior and the center thereof at the center in the length direction.

Abstract: The present invention relates to a rechargeable battery. The rechargeable battery includes an electrode assembly, a case, electrode terminals, and a cap plate. The electrode assembly includes a separator and an anode and a cathode disposed at both sides of the separator. The case houses the electrode assembly. The electrode terminals are electrically connected to the electrode assembly and protrude outwardly from the case. The cap plate closes and seals the case. The cap plate includes a terminal hole for receiving the electrode terminals and a sealing reinforcing member formed along a circumference of the terminal hole and having a greater thicker than a periphery thereof.