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| Number | Title | Issue Date |
| 8187743 | Cylindrical type secondary battery with upper and lower battery assemblies and fabrication method thereof A secondary battery having an upper battery assembly including an upper can housing a cap unit having an electrode terminal adapted to electrically connect to an external device and a gasket inserted between the cap unit and one end portion of the upper can for seal... | 05/29/2012 |
| 8062787 | Secondary battery and method of manufacturing the secondary battery A secondary battery and a method of manufacturing the same are disclosed. In one embodiment, the secondary battery includes an electrode assembly including an external surface, an electrolyte, a sealing tape including an adhesive layer attached to at least portion o... | 11/22/2011 |
| 8048559 | Secondary battery and method of making the secondary battery A secondary battery and a manufacturing method thereof are disclosed. In one embodiment, the secondary battery includes 1) an electrode assembly comprising an outer surface, 2) an electrolyte, 3) a sealing tape attached to and surrounding at least part of the outer ... | 11/01/2011 |
| 8017266 | Battery having positive temperature coefficient element A highly reliable cylindrical primary battery is provided where the surface temperature of a body portion of which at the time of a short circuit is controlled to be low. The heat conductivity λ (W/m·K) of a resin sealing body of a sealing assembly having a PTC el... | 09/13/2011 |
| 7981541 | Nonaqueous electrolyte secondary battery The invention provides a nonaqueous electrolyte secondary battery excellent in output characteristic such as large current discharge or pulse discharge in ordinary use, high in safety by preventing destruction due to suppression of current in an abnormality such as ... | 07/19/2011 |
| 7960054 | Packaged thin film batteries A packaged battery (60) is provided having a thin film lithium battery cell (62) sealed with a packaging foil or layer (67). The battery cell (60) includes a substrate (61) and an active cell (62) with an anode current colle... | 06/14/2011 |
| 7875384 | Secondary battery Disclosed is a secondary battery which can prevent twist or bend of a mold resin part of the battery. In one embodiment, a side wall extension part is formed on a top edge of a side wall of a can of the battery. The side wall extension part protrudes upwardly from t... | 01/25/2011 |
| 7794874 | Alkaline battery and battery pack A positive electrode and a gelled negative electrode are stored with a separator interposed therebetween in a battery case and an opening portion of the battery case is sealed with a gasket. The battery case is formed so that a thickness of a body portion thereof is... | 09/14/2010 |
| 7732091 | Lithium ion secondary battery A lithium ion secondary battery in which at least one step portion is formed on an upper surface of a cap plate, and at least one step portion is formed on a lower or first surface of a battery part opposite to the upper or first surface of the cap plate so that the... | 06/08/2010 |
| 7709141 | Lithium ion secondary battery Electrode assemblies easily impregnated with an electrolyte are provided. A sealing tape attached to the outer circumference of the electrode assembly comprises a material having an affinity for the electrolyte. Alternatively, the entire sealing tape or a portion of... | 05/04/2010 |
| 7700229 | Packing, production method of crimp assembly, production method of battery housing lid, and production method of battery Packing according to the invention includes a cylinder portion which extends in a direction of an axis, and in which a diameter of a portion in one end side is increased when the packing is fitted to an object. The cylinder portion includes a fold portion which has ... | 04/20/2010 |
| 7691530 | Cylindrical lithium secondary battery A cylindrical lithium secondary battery includes a wound electrode assembly having a first electrode plate, a second electrode plate, and a separator interposed between the first electrode plate and the second electrode plate. A core member is substantially in a sha... | 04/06/2010 |
| 7666548 | Can type secondary battery A can type secondary battery includes an electrode assembly having a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate, a can for receiving the electrode assembly th... | 02/23/2010 |
| 7635538 | Battery A battery includes a battery casing, a lid member, and a pair of terminals. The battery casing has an opening and a battery element stowed in the inside, and is formed of a film material. The lid member is stowed in the opening and is adhered to an opening edge of t... | 12/22/2009 |
| 7585588 | Battery positive electrode material A material for the positive electrode of a silver oxide battery is provided that increases the discharge capacity of the battery. The positive electrode material is a conductive composite oxide represented by the general formula AgxNiyO2 | 09/08/2009 |
| 7524578 | Battery comprising a flange formed at a peripheral edge and a protection circuit attached to the flange A battery can 2 is composed of a can body 3 having a concave portion 31 for accommodating an electrode body 5, and a metal cover 4 for sealing an opening end of the concave portion 31 of the can body 3. The can body | 04/28/2009 |
| 7455929 | Air cell with improved leakage resistance An electrochemical battery cell with an oxygen reduction electrode and having improved electrolyte leakage resistance. The cell includes a component, disposed between the oxygen reduction electrode and an air inlet in the cell housing, through or around which air ca... | 11/25/2008 |
| 7442467 | Sealed battery A sealed battery in which an opening of a battery case is sealed with any one of a sealing member via an insulating gasket, and a sealing unit in which a sealing member is crimped inside a filter via an inner gasket. The sealed battery includes a sheet-like gasket p... | 10/28/2008 |
| 7427454 | Secondary battery A secondary battery includes an insulation case that is thickly formed to prevent deformation and that includes a recess that receives at least a part of a cap assembly in the insulation case so as minimize unnecessary space between the cap assembly and the insulati... | 09/23/2008 |
| 7358007 | Laminate, method for preparation thereof, and use thereof A laminate to be served as seal film for sealing the electrolyte of battery or as protection film for protecting the electrode part of battery, comprising a metal layer, a surface-treated layer formed over the surface of the metal layer and a layer of an adhesive re... | 04/15/2008 |
| 7335439 | Hermetically sealed battery A hermetically sealed battery is provided, equipped with a opening sealing unit 10 including a Positive Temperature Coefficient (PTC) element without reducing the volume of the outside can, and capable of preventing the generation of a large current in case a... | 02/26/2008 |
| 7314492 | Method for manufacturing alkaline battery In a method in which the inside surface of the negative electrode cup of an alkaline battery is coated with metal or metal alloy having a higher hydrogen overpotential than copper, the mask used for coating processing has the shape in which: when d is the diameter o... | 01/01/2008 |
| 7314681 | Cylindrical alkaline cells with increased discharge performance An alkaline battery cell with increased discharge capacity is provided. Both the internal volume and the electrode interfacial surface area are increased, without unnecessarily increasing the overall cell volume, by increasing the height but not the diameter of the ... | 01/01/2008 |
| 7273675 | Aqueus electrolytic solution primary battery The invention provides a battery including a power generating element container, a positive electrode mixture, and a hydrogen gas permeable sheet provided in an opening of the power generating element container, the hydrogen gas permeable sheet having a water repell... | 09/25/2007 |
| 7267905 | Alkaline electrochemical cell having a non-crimped closure An adhesive closure for sealing closed the open end of an electrochemical cell container. The electrochemical cell comprises a can having an open end and a side wall, and positive and negative electrodes disposed in the can. The cell also has a cover disposed on the... | 09/11/2007 |
| 7258940 | Zinc/air cell A zinc/air button cell, wherein the cell has a single casing, namely, the anode can. A substantially flat metal support disk is employed, to close the open end of the anode can, thus eliminating the need for the conventional cathode can. The metal support disk is lo... | 08/21/2007 |
| 7245107 | System and method for battery charge control based on a cycle life parameter A charging and discharging strategy for a rechargeable battery pack is disclosed. The strategy involves monitoring and learning the battery pack's condition (a cycle life parameter) in terms of its progression through its life cycle. The life cycle parameter may be ... | 07/17/2007 |
| 7230321 | Integrated circuit package with laminated power cell having coplanar electrode An electrode that includes an electrically conductive, substantially planar body having a first thickness and a junction area, wherein the junction area is configured to receive a solid state power cell having a second thickness. The electrode also includes an arcua... | 06/12/2007 |
| 7229560 | Sack-based processes for recovering oil floating on water One or more water- and oil-porous containers or sacks are made of a pair of mesh sheets affixed together and stiffened around their perimeter. The sacks can be partially filled with a multitude of tubular bodies made of an oil-entrapping polymer, which have their lo... | 06/12/2007 |
| 7223496 | Electrochemical element An electrochemical element having a metal case for accommodating an element unit in which a positive electrode and a negative electrode are disposed to face each other with a separator between them, and an electrolyte; a sealing body for sealing an opening of the me... | 05/29/2007 |
| 7215532 | Method and machine for manufacturing energy accumulating components, and components made thereby A method for manufacturing electrical components of the energy-accumulating electrostatic or electrochemical type, consisting in winding at least two layers of a film on a support made of an electrically nonconducting material that has a substantially polygonal cros... | 05/08/2007 |
| 7207634 | Laser-welded assembly A metal member and a resin member, or two resin members are welded or bonded to each other at welding or bonding surfaces thereof which are heated by irradiation of a laser beam, thereby providing an assembly wherein the two members are fluid-tightly bonded at the b... | 04/24/2007 |
| 7200504 | Measuring temperature change in an electronic biomedical implant The change in temperature of an implanted electronic device can be determined by providing power to one or more circuit elements included in the implanted electronic device, wherein the circuit elements comprise a non-crystal oscillator. A shift in the output freque... | 04/03/2007 |
| 7195839 | Battery cell with improved pressure relief vent An electrochemical cell with a pressure relief vent formed in a metal plate disposed in at least one of the closed end and the open end of the container. The pressure relief vent has an annular ring that includes a reduced thickness groove, interrupted in at least t... | 03/27/2007 |
| 7186477 | Header for rechargeable lithium batteries A header for rechargeable lithium batteries, which incorporates a riveted disconnect mechanism. The header is especially useful for rechargeable lithium batteries for high power applications. ... | 03/06/2007 |
| 7186478 | Electrochemical device An electrochemical device includes an electrochemical device having an electrochemical cell located within the sealed first enclosure. The first enclosure has at least a portion that is flexible. A cavity is formed within the first enclosure so that the cavity is in... | 03/06/2007 |
| 7175935 | Lithium manganese dioxide cell A lithium dioxide cell construction including a resettable positive temperature coefficient fuse. The positive temperature coefficient fuse, can withstand shock and mechanical vibration without damage and is mounted in such a way that it cannot be bypassed without d... | 02/13/2007 |
| 7175938 | Battery case employing ring sandwich The invention includes a brazed ceramic ring that separates the positive and negative ends of the battery while still providing a leak-tight seal. The ceramic is aluminum oxide or zirconium oxide or zirconium oxide with 3% yttrium. The invention includes a brazing m... | 02/13/2007 |
| 7175677 | Methodology for making electrical contact from a button cell battery to a printed circuit board and a process for manufacturing the same A button-type battery unit comprising an upper housing, a battery coupled to the upper housing, a printed circuit board and a lower housing. A positive battery terminal and a negative battery terminal are reflow soldered to the printed circuit board. The upper housi... | 02/13/2007 |
| 7172833 | Alkaline dry cell The present invention discloses an alkaline dry cell with a high capacity having a superior liquid leak resistant property. In this alkaline dry cell, the thickness of the trunk portion of an external can is made thinner than 0.18 mm, and the thickness of the sealin... | 02/06/2007 |
