Patent application number | Description | Published |
20100196745 | BATTERY PACK AND METHOD OF MANUFACTURING THE SAME - A battery pack and a method of manufacturing the same. The battery pack includes: a package member formed of a laminate strengthened sheet; and a support plate coupled to at least a portion of the package member to form a case having a space for receiving an electrode assembly. The manufacturing method of the battery pack includes: forming an electrode assembly; forming a case for receiving the electrode assembly by coupling a solid support plate to at least a portion of a package member formed of a laminate strengthened sheet; inserting the electrode assembly into the case; and electrically connecting the electrode assembly to a terminal assembly. | 08-05-2010 |
20110064991 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - Provided are a secondary battery and a method for manufacturing the same. The secondary battery includes an electrode assembly and a pouch, the electrode assembly including a first electrode, a second electrode, and a separator disposed between the first electrode and the second electrode and insulating the first electrode and the second electrode from each other, the pouch configured to have a bottom face and lateral faces extending from edges of the bottom face and including a cavity to accommodate the electrode assembly. The pouch includes at least one alignment protrusion provided on its lateral face, and the electrode assembly including at least one alignment hole provided at its edge, the at least one alignment hole corresponding to the alignment protrusion of the pouch. | 03-17-2011 |
20110104520 | SECONDARY BATTERY AND BATTERY PACK USING THE SAME - A secondary battery and a battery pack using the same are provided. In the secondary battery, an electrode terminal extending from an electrode assembly is structurally and electrically connected to a lead tab to turn on a circuit, and if swelling arises, the lead tab coupled to a pouch case is spaced apart from the electrode terminal due to expansion of the pouch case to break the structural connection between the electrode terminal and the lead tab, thereby turning off the circuit. | 05-05-2011 |
20110104541 | SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SECONDARY BATTERY - A secondary battery and a method of manufacturing the secondary battery. A secondary battery includes an electrode assembly formed through winding a positive electrode plate including a positive electrode non-coating portion, a negative electrode plate including a negative electrode non-coating portion, and a separator between the positive and negative electrode plates. A part of the positive electrode non-coating portion and a part of the negative electrode non-coating portion are removed to form a positive electrode tab and a negative electrode tab at first and second ends, respectively, of the electrode assembly. | 05-05-2011 |
20110104550 | ELECTRODE ASSEMBLY FOR SECONDARY BATTERY AND SECONDARY BATTERY HAVING THE SAME - An electrode assembly for a secondary battery and a secondary battery having the same, the electrode assembly including electrode members disposed in a stack and divided into groups; and a first separator having folded portions disposed between the electrode members, and wound portions extending from the folded portions and wrapped around the groups. | 05-05-2011 |
20110117399 | LITHIUM POLYMER SECONDARY BATTERY - A secondary battery includes an electrode assembly comprising a first electrode, a second electrode, and a separator between the first electrode and the second electrode; an external member wrapped around a side surface of the electrode assembly; a cover coupled to the external member; and a terminal protection member between the electrode assembly and the cover. | 05-19-2011 |
20110117404 | Lithium Polymer Secondary Battery - A secondary battery includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate; a first electrode terminal electrically coupled to the first electrode plate and a second electrode terminal electrically coupled to the second electrode plate; an external member wrapped around side surfaces of the electrode assembly; and a first cover and a second cover coupled to the external member and covering a first end surface and a second end surface, respectively, of the electrode assembly, wherein the first electrode terminal and the second electrode terminal protrude from at least one of the first cover or the second cover. | 05-19-2011 |
20110117414 | Secondary Battery - A secondary battery includes an electrode assembly including a first electrode plate, a second electrode plate, and a separator interposed therebetween, a case in which the electrode assembly and an electrolyte are accommodated, and a core member provided at a center portion of the electrode assembly and impregnating an electrolyte to maintain an external shape of the electrode assembly. | 05-19-2011 |
20110117426 | SECONDARY BATTERY - A secondary battery includes an electrode assembly, a support body receiving the electrode assembly, and an external member coupled to the support body, wherein the support body and the external member together enclose the electrode assembly. Another secondary battery includes an electrode assembly including a first electrode plate and a second electrode plate; and a support body receiving the electrode assembly and including a body and a terminal forming part, wherein the terminal forming part is provided with a first electrode terminal electrically connected to the first electrode plate and a second electrode terminal electrically connected to the second electrode plate, and the terminal forming part is integrally formed with the body. | 05-19-2011 |
20110123841 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING THE SAME - An electrode assembly and a secondary battery including the same are disclosed. An electrode assembly includes a positive electrode including a positive electrode coating portion coated on a surface of a positive electrode collector; a negative electrode including a negative electrode coating portion coated on a surface of a negative electrode collector; and a separator between the positive and negative electrodes. The positive electrode and the negative electrode are stacked, and the positive electrode coating portion and the negative electrode coating portion on surfaces facing each other have a same area, or an area of the positive electrode coating portion is greater than an area of the negative electrode coating portion within a tolerance range. | 05-26-2011 |
20110129702 | SECONDARY BATTERY AND BATTERY PACK USING THE SAME - A secondary battery and a battery pack using the same. A secondary battery includes a pouch case containing an electrode assembly therein; an electrode terminal connected to the electrode assembly and including a side end exposed outside the pouch case; and a vent forming unit coupled to the pouch case and configured to form a vent in the pouch case when the pouch case swells. | 06-02-2011 |
20110129707 | SECONDARY BATTERY - A secondary battery including an electrode assembly. The electrode assembly includes a first electrode including a plurality of first electrode tabs extending to a side of the first electrode, a second electrode including a plurality of second electrode tabs extending to a side of the second electrode, and a separator between the first electrode and the second electrode and insulating the first electrode and the second electrode from one another. The electrode assembly is in a wound jelly roll shape. The plurality of first electrode tabs are in one of four quadrants formed by a long axis and a short axis of the wound electrode assembly. The plurality of second electrode tabs are in a different one of the four quadrants. | 06-02-2011 |
20110129709 | POUCH TYPE SECONDARY BATTERY WITH SAFETY MEMBER - A pouch type secondary battery including a safety member. The pouch type secondary battery includes an electrode assembly including first and second electrode plates having opposite electrical polarities and a first separator between the first and second electrode plates; and a safety member including a first conductive plate located on an outside of the electrode assembly and electrically connected to the first electrode plate, a second conductive plate located on an outside of the first conductive plate and electrically connected to the second electrode plate, and an insulating plate between the first and second conductive plates for insulating the first and second conductive plates from each other, and the first conductive plate has a puncture strength that is greater than a puncture strength of the second conductive plate. | 06-02-2011 |
20110129711 | Secondary Battery - A secondary battery including: an electrode assembly including a plurality of first and second electrode plates, and a plurality of separators between the first and second electrode plates; a first electrode tab on the first electrode plate, and a second electrode tab on the second electrode plate; a case housing the electrode assembly, and the first and second electrode tabs; and first and second external lead terminals at an outer side of the case and electrically coupled to the first and second electrode tabs, respectively. | 06-02-2011 |
20110129727 | SECONDARY BATTERY - A secondary battery including: an electrode assembly including a plurality of first and second electrode plates and a plurality of separators between the first and second electrode plates; a first electrode tab on each of the first electrode plates; a second electrode tab on each of the second electrode plates; a case housing the electrode; and first and second electrode leads at an outer side of the case and electrically coupled to the first and second electrode tabs, respectively, wherein the first and second electrode leads and the first and second electrode tabs are respectively electrically coupled by bolts. | 06-02-2011 |
20110135971 | Secondary Battery - A secondary battery comprises an electrode assembly including a first electrode, a second electrode, a separator interposed between the first electrode and the second electrode for insulating the first electrode and the second electrode from each other, a first electrode tab extending from one side of the first electrode, a second electrode tab extending from one side of the second electrode, and a pouch including a body and a cover. The body of the pouch includes a receiving part for accommodating the electrode assembly, and a body sealing part extending from the receiving part. The cover of the pouch includes a covering part corresponding to the receiving part of the body, and a cover sealing part corresponding to the body sealing part. At least two insulation layers and a conductive layer interposed between the insulation layers are provided at the body and the cover of the pouch, respectively. The first electrode tab and the second electrode tab are electrically connected to the conductive layers of the body and the cover of the pouch, respectively. | 06-09-2011 |
20110135996 | ELECTRODE ASSEMBLY BLOCK AND METHOD OF MANUFACTURING THE SAME, AND SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - An electrode assembly block includes a first electrode plate including a first electrode collector plate and a first electrode tab; a first separator on a bottom surface of the first electrode plate and a second separator on a top surface of the first electrode plate, to cover the first electrode collector plate between the first separator and the second separator while allowing a portion of the first electrode tab to be exposed; and a second electrode plate on a bottom surface of the first separator or a top surface of the second separator, the second electrode plate including a second electrode collector plate and a second electrode tab, the second electrode plate corresponding to the first electrode plate, wherein edge regions of the first separator and the second separator are fused together, and the second electrode plate is adhered to the first separator or the second separator. | 06-09-2011 |
20110135998 | Secondary Battery - A secondary battery includes a case comprising a body having a cavity and a cover sealed to the body; and an electrode assembly in the cavity, the electrode assembly including a first electrode plate having a coated portion coated with a first active material and an uncoated portion not coated with the first active material; a second electrode plate having a coated portion coated with a second active material; and a separator between the first electrode plate and the second electrode plate, wherein the first electrode plate, the second electrode plate and the separator are stacked together, and wherein the first electrode plate and the second electrode plate have substantially the same surface area. | 06-09-2011 |
20120003517 | Secondary battery - An embodiment is directed to a secondary battery, including a case adapted to receive an electrode assembly, and a safety unit attached to an inner surface of the case, the safety unit adapted to punch the case when an internal temperature of the case reaches a predetermined temperature or higher. | 01-05-2012 |
20120189894 | ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING THE SAME - An electrode assembly for a secondary battery that includes pressing parts are formed on separators surrounding positive and negative electrodes so that the electrode assembly can be bent in a zigzag shape to form a stacked structure, and thus the thermal stability of the electrode assembly can be improved and the stacked structure of the electrode assembly can be easily formed. In addition, electrolyte can easily permeate the electrode assembly. The electrode assembly includes separators, positive and negative electrode plates disposed between the separators, and pressing parts formed on the separators between the positive and negative electrode plates. Guide parts are formed at the pressing parts, and the separators are bent at the guide parts. | 07-26-2012 |
20120202104 | SEPARATOR FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - The present disclosure relates to a separator and a lithium secondary battery including the same. The separator comprises a polyethylene-based powder or a polypropylene-based powder provided on or in the base film, wherein the polyethylene-based powder or the polypropylene-based powder is different from the base film. | 08-09-2012 |