Class / Patent application number | Description | Number of patent applications / Date published |
429174000 | Having seal material | 58 |
20080226981 | CENTER PIN CYLINDRICAL SECONDARY BATTERY AND CYLINDRICAL SECONDARY BATTERY HAVING THE SAME - A center pin of a cylindrical secondary battery and a cylindrical secondary battery including the same are provided. The cylindrical secondary battery includes: an electrode assembly including a positive electrode plate, a negative electrode plate and a separator disposed between the two plates; a cylindrical center pin disposed at a center of the electrode assembly and having a polygonal hole formed in a longitudinal direction at a center of the center pin; a can containing the electrode assembly and the center pin; and a cap assembly sealing the can, wherein each corner of the polygonal hole of the center pin has a curvature. Providing a curvature in each corner of the cylindrical center pin reinforces the strength of the center pin and minimizes the deformation of the electrode assembly during charge/discharge operation. | 09-18-2008 |
20080274402 | Secondary battery - The present invention relates to a secondary battery including an insulating case interposed between the cap assembly and the electrode assembly. The insulating case is made of a sealing material with low thermal deformation, excellent flame-retardation, and excellent electric insulation so as to be able to enhance the reliability of the secondary battery. The secondary battery of the present invention includes a can having an open top, an electrode assembly disposed inside the can and generating electricity, a cap assembly sealing the open top of the can, and an insulating case interposed between the cap assembly and the electrode assembly. The insulating case includes a base having an upper surface and a side surface, and a protrusion formed on the side surface. The upper surface has a deformation hole. The deformation hole and the protrusion are arranged in a manner that a line connecting the center of the deformation hole to the protrusion is substantially perpendicular to the side surface. | 11-06-2008 |
20090011329 | SECONDARY BATTERY - A secondary battery including: an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator located between the two plates; a lower collector plate located beneath the electrode assembly, and electrically connected to the positive electrode plate or the negative electrode plate; a fixing member disposed around the periphery of the lower collector plate; a can to accommodate the electrode assembly, the lower collector plate and the gasket; and a cap assembly to seal the can. The fixing member is located between and in contact with the can and the electrode assembly. The secondary battery can included an upper insulating plate disposed on the electrode assembly, located between and in contact with the electrode assembly and a beading part of the can. | 01-08-2009 |
20090047576 | Nickel Metal-Hydride Battery and Method of Manufacturing the Same - An object of the present invention is to provide a sealed nickel metal-hydride that shows an excellent output power performance, while maintaining an excellent charge/discharge cycle performance, and a method of manufacturing the same. | 02-19-2009 |
20090061306 | RECHARGEABLE BATTERY - A rechargeable battery including: an electrode assembly; a can to house the electrode assembly; and a cap assembly to seal an opening of the can. The cap assembly includes: a cap plate; an insulation plate disposed upon a lower surface of the cap plate; a terminal plate disposed upon a lower surface of the insulation plate; and an electrode terminal extending through the cap plate, the insulation plate and the terminal plate, and which is electrically coupled to the electrode assembly. The cap plate includes a seat part defined therein, which has a thickness that is less than an overall thickness of the cap plate. The insulation plate is seated in the seat part, which has a width is the same as an overall width of the cap plate. | 03-05-2009 |
20090104521 | Storage battery and insulating material and battery container using the same - A storage battery which can further intensify the sealing properties of the electrode rod piercing portion thereof, a technique capable of increasing the area of the sealing surface at the sealed portion of the storage battery, a technique capable of certainly preventing the missing of mounting of a rubber-based sealing material corresponding to O-ring at the sealed portion of the storage battery, and an insulating material having an excellent corrosion resistance to highly corrosive battery content and a battery container including same are provided. | 04-23-2009 |
20090130551 | Nickel Metal-Hydride Battery - A sealed nickel metal-hydride battery shows a high output density and an excellent cycle performance particularly in a cold atmosphere. In a nickel metal-hydride battery having a nickel electrode and a hydrogen absorbing electrode respectively as positive electrode and negative electrode, the hydrogen absorbing electrode is formed by making an conductive support carry hydrogen absorbing alloy powder of rare earth elements and non-rare earth elements including nickel and the saturation mass susceptibility of the hydrogen absorbing alloy powder is 2 to 6 emu/g while the rate at which the hydrogen absorbing electrode carries hydrogen absorbing alloy powder per unit area is 0.06 to 0.15 g/cm | 05-21-2009 |
20090136841 | HERMETICALLY SEALED BATTERY - To provide a hermetically sealed battery having a seal that also serves as a terminal plate, in which the seal can be reliably welded to a battery case without causing spatters and the like while ensuring good weld strength of a lead to the seal. | 05-28-2009 |
20090142660 | SEALED BATTERY, AND VEHICLE EQUIPPED THEREWITH - A sealed battery includes: a battery container having in at least an end portion thereof an opening portion, and a container folded-back portion formed in a peripheral edge of the opening portion; a lid having in its outer periphery a lid folded-back portion, and being attached to the opening portion of the battery container; a junction portion in which the container folded-back portion and the lid folded-back portion are integrally joined by a double-rolled seam method; a first seal member closing a first gap between a distal end portion of the container folded-back portion clamping a distal end portion of the lid folded-back portion and an inside of a folded curve portion of the lid folded-back portion; and a second seal member closing a second gap between the distal end portion of the lid folded-back portion and an inside of a folded curve portion of the container folded-back portion. | 06-04-2009 |
20090169988 | AA and AAA Alkaline dry batteries - An AA alkaline dry battery includes a bottomed cylindrical casing of which internal volume is 6.25 ml or larger and which accommodates a positive electrode containing manganese dioxide of 9.30 g or more, a negative electrode containing zinc, and electrolyte containing an aqueous solution of potassium hydroxide of which concentration is 33.5 wt % or lower; a sealing member sealing the casing; and a negative electrode current collector extending from the sealing member into the negative electrode. The dry battery has, as discharge characteristics in the middle rate current discharge (AA dry batter), discharge duration until the battery voltage becomes 0.9 V is 9.3 hours or longer where discharge at 250 mA is performed at 25° C. for one hour per day. | 07-02-2009 |
20090197165 | ALKALINE BATTERY - An alkaline battery includes: a battery can ( | 08-06-2009 |
20090246619 | CENTER PIN FOR SECONDARY BATTERY AND SECONDARY BATTERY HAVING THE SAME - A center pin for a secondary battery and a secondary battery having the same, which optimizes a void volume of the secondary battery. The center pin is inserted into an electrode assembly of the secondary battery. The center pin has a longitudinal hole and includes a sealing member to seal a portion of the hole. The sealing member can include walls disposed within the center pin, to seal the portion of the hole. The sealing member can include a second center pin, which is inserted into the hole, to seal the portion of the hole. | 10-01-2009 |
20090305128 | Secondary battery - A secondary battery including an electrode assembly; a can having an upper opening to receive the electrode assembly and having two facing wide walls, wherein the wide walls are asymmetrical to each other; and a cap assembly sealing the upper opening of the can. | 12-10-2009 |
20090311595 | BATTERY CASE AND BATTERY USING THE SAME - An Fe—Ni diffusion layer ( | 12-17-2009 |
20090325062 | GALVANIC ELEMENT COMPRISING A NOVEL HOUSING - A galvanic element having a housing including a housing cup, a housing cover, and a film seal that isolates the housing cup from the housing cover, wherein the housing cover includes a cover base, an adjacent cylindrical section and an adjacent edge section, and wherein the edge of the housing cover is bent around inwardly or outwardly in the edge section. | 12-31-2009 |
20100068619 | Electrochemical Cell With Improved Internal Contact - Electrochemical battery cells with strip-like electrodes and having a pressure contact between a lead from one of the electrodes and a side wall of the cell container. An electrochemical cell having a spiral wound electrode assembly having an internal lead in direct pressure contact with a lithium foil negative electrode free of a separate current collector and in contact with an inner portion of the cell container, wherein specified contact between the lead and lithium foil provides current flow between the container and foil. | 03-18-2010 |
20100112434 | CYLINDRICAL SECONDARY BATTERY HAVING STRUCTURE IN WHICH ELECTRODE ASSEMBLY IS CONNECTED WITH SEALING COVER VIA COMBINATION OF CURRENT COLLECTOR PLATE AND CURRENT COLLECTOR LEAD - To aim to provide a cylindrical secondary battery comprising a current collector assembly that is inserted between the electrode assembly and the sealing cover, and electrically connects the sealing cover with a core of one of the positive electrode plate and the negative electrode plate, wherein the current collector assembly is composed of a combination of (i) a current collector plate having a plate shape that is provided on an upper part of the electrode assembly and (ii) a current collector lead that includes a cylindrical part having an axis in a direction along a main surface of the current collector plate, the cylindrical part includes a top part and a bottom part whose peripheral surfaces oppose each other, the top part is welded and joined to a sealing plate that is a bottom surface of the sealing cover, and the bottom part is welded and joined to the current collector plate, the current collector lead further includes at least one tab part having a rectangle shape that extends from an opening edge of the cylindrical part in a direction of the axis, and the tab part is at least partially electrically connected with the current collector plate at a region from a root portion to a tip portion thereof. | 05-06-2010 |
20100143792 | CAP ASSEMBLY AND SECONDARY BATTERY HAVING THE SAME - Provided are a cap assembly for a secondary battery and a secondary battery having the same. Here, when a can is sealed using a laser beam, soot and degradation of a gasket of the cap assembly may be prevented. | 06-10-2010 |
20100183912 | GALVANIC ELEMENT FOR HIGH STRESSES - The present invention relates to a galvanic element, in particular an element of the button cell type, which has a long service life even when there are high mechanical or thermal loads. The element has a cathode, an anode, an electrolyte, a separator arranged between the anode and cathode, and a housing, which comprises a housing cup, a housing cover and a sealing element, the sealing element insulating the housing cup against the housing cover. According to the invention, the sealing element is rigidly connected to the separator. | 07-22-2010 |
20100209766 | SECONDARY BATTERY - A secondary battery includes an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator interposed between the two electrode plates, a can housing the electrode assembly and a cap assembly sealing the can. Further, the secondary battery includes an electrode assembly including a positive electrode plate, a negative electrode plate and a separator interposed between the two electrode plates, a can housing the electrode assembly and a cap assembly sealing the can. An outer diameter of the electrode assembly is in the range from more than 0.997 to less than 1.014 times an inner diameter of the can during discharge of the secondary battery and/or is in the range from more than 1.017 to less than 1.034 times the inner diameter of the can during charge of the secondary battery. | 08-19-2010 |
20100216014 | Closure Assembly for Electrochemical Cells - A closure assembly for an electrochemical cell includes a positive temperature coefficient (PTC) device and a dual wall gasket that isolates the PTC device from primary axial compression forces present in the closure assembly. A method for closing an electrochemical cell to remove the PTC device from primary axial compression is also contemplated. | 08-26-2010 |
20100221599 | AA CELL BATTERY - Electric power elements (positive and negative electrode mixtures | 09-02-2010 |
20100248014 | Vapor Transmission Resistant Seal Members for Nonaqueous Electrochemical Cells - A seal member having a thermoplastic body for an electrochemical cell containing a nonaqueous organic solvent electrolyte. In particular, the seal member is preferably one or more of (a) a seal located between a cell container wall and a cell cover and (b) a seal of a vent assembly, more particularly a ball vent assembly. The seal member has a composite construction including one or more vapor transmission barrier layers disposed on a portion of the thermoplastic body. | 09-30-2010 |
20100310927 | CURRENT COLLECTOR TERMINAL PLATE FOR SECONDARY BATTERY, SECONDARY BATTERY, AND METHOD FOR PRODUCING SECONDARY BATTERY - A current collector terminal plate comprising a plate-shaped conductive material is used. The conductive material has an expected welding portion that melts with priority. The conductive material has, for example, a bent portion forming a protrusion on one side and a depression on the other side and a flat portion, and the expected welding portion includes the bent portion. The bent portion has a pair of upstanding portions raised from the flat portion and a bent top portion extending continuously from the pair of upstanding portions. | 12-09-2010 |
20110008672 | 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 surface of the electrode assembly, wherein the sealing tape comprises i) an adhesive layer contacting the outer surface of the electrode assembly and ii) a base layer formed on the adhesive layer, and wherein the base layer is formed of a material which has directionality and 4) a can accommodating the electrode assembly and sealing tape, wherein the base layer is configured to at least partially lose directionality upon contacting the electrolyte so that at least a portion of the base layer contacts an inner surface of the can. | 01-13-2011 |
20110064995 | 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 of an outer surface of the electrode assembly and contacting the external surface of the electrode assembly and a base sheet disposed on an adhesive layer and formed of a material having directionality, and a can receiving the electrode assembly, the electrolyte, and the sealing tape, wherein the base sheet loses directionality and is shrunk and deformed in shape by contact with the electrolyte, and at least portion of the base sheet contacts an inner surface of the can to prevent the electrode assembly from being freely moved within the can. | 03-17-2011 |
20110076549 | SECONDARY BATTERY AND METHOD OF FABRICATING THE SAME - A secondary battery and a method of fabricating the same. The secondary battery includes an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator interposed therebetween, a sealing tape surrounding a circumferential surface of the electrode assembly, a can housing the electrode assembly, and a cap assembly sealing the can. The sealing tape is formed of a heat-shrinkable material. The can is heated at a predetermined after the electrode assembly and the sealing tape are sealed in the can, to shrink the sealing tape. | 03-31-2011 |
20110159354 | GALVANIC ELEMENT WITH A HIGH CAPACITY - A button cell includes a positive electrode, a negative electrode and a separator arranged in a housing comprising a cell cup and a cell lid insulated from one another by a seal, wherein the negative electrode is tablet-shaped pressed body having a self-supporting structure. | 06-30-2011 |
20110212360 | BATTERY CELL DESIGN AND METHOD OF ITS CONSTRUCTION - A compact, robust, multifunctional and highly manufacturable rechargeable battery cell is provided. The cell design dedicates minimal internal volume to inert components of the cell. This is accomplished, in part, by providing multiple functionalities to individual cell components. | 09-01-2011 |
20110217589 | CYLINDRICAL NONAQUEOUS ELECTROLYTE BATTERY - A cylindrical nonaqueous electrolyte secondary battery includes: a wound electrode unit as a wound electrode laminate of belt-like positive and negative electrodes laminated via a separator, the positive electrode including a positive electrode collector and a positive electrode active material layer, and the negative electrode including a negative electrode collector and a negative electrode active material layer; an adhesive member provided to cover the wound electrode laminate at a terminating end portion lying on an outer side of the wound electrode unit; and a battery canister housing the wound electrode unit, the adhesive member including a base material, and an adhesive layer provided on a whole surface or on at least a part of the surface on one side of the base material, and the base material being a mixture of a resin material of high swellability and a resin material of high melting point. | 09-08-2011 |
20110223472 | CYLINDRICAL BATTERY CELL WITH NON-AQUEOUS ELECTROLYTE - A non-aqueous electrolyte battery cell according to the present invention includes: a generating unit; a battery cell container that contains the generating unit; and a sealing lid, disposed in an open end portion of the battery cell container, and that seals the battery cell container via an insulating gasket; wherein a sealing point of the insulating gasket is established at a region that is spaced by a predetermined distance in radially outward direction of the cylindrical battery cell from an inner peripheral edge of a folded over portion that is formed at the open end portion of the cylindrical battery cell container. | 09-15-2011 |
20110256447 | BATTERY - A battery includes an insulating body, a brass cap, a cathode plate, and a protection member. The brass cap is disposed on one end of the insulating body as an anode of the battery. The cathode plate is disposed on the other end of the insulating body as a cathode of the battery. The protection member is disposed on a joint between the cathode plate and the insulating body for sealing thereof. | 10-20-2011 |
20120040239 | SEALING CONSTRUCTION FOR SECONDARY CELL - The present invention is a sealing construction for a secondary cell in which an electrode terminal member is disposed inside an opening of a cell container with interposition of a seal member, with a circumferential portion of the cell container around its opening being bent inwards together with the seal member and the cell container and the electrode terminal member being swaged together, wherein: on outer surface of the cell container, between a bent portion where the cell container is bent and the opening, an edged summit portion and a protruding portion having a sloping portion that ranges from an edge portion facing the opening of the cell container to the summit portion are formed in an annular shape around circumferential direction of the opening of the cell container. | 02-16-2012 |
20120171556 | SECONDARY BATTERY - A secondary battery including an electrode assembly; a can housing the electrode assembly; a cap assembly sealing the can; an upper case covering the cap assembly; and a protective circuit module between the cap assembly and the upper case, the protective circuit module having a printed circuit board; and a first protective circuit device coupled to the printed circuit board by a first solder; and an external terminal electrically coupled to the printed circuit board by a second solder, wherein a melting point of the first solder is not lower than a melting of the second solder. | 07-05-2012 |
20120202108 | 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 sealing and insulating the cap unit and the upper can. The secondary battery also has a lower battery assembly including a lower can housing an electrode assembly, the electrode assembly having a first electrode, a second electrode, and a separator interposed between the first electrode for preventing a short circuit between the two electrodes. A first electrode tap connects the first electrode to the cap unit and a second electrode tap connects the second electrode to the lower can. | 08-09-2012 |
20120219849 | Lithium secondary battery - A cylinder type lithium secondary battery may include an electrode assembly, a cylindrical can configured to retain the electrode assembly, a cap assembly coupled to a top opening of the cylindrical can, an electrolyte disposed in the cylindrical can, and a gasket between the cap assembly and the cylindrical can, the gasket including an adhesive layer having a reaction product of the electrolyte and a material of the gasket. | 08-30-2012 |
20120231328 | CYLINDRICAL BATTERY AND GASKET FOR USE IN SAME - A cylindrical battery gasket that will not functionally deteriorate in absorbing stress caused by the gasket extending radially upon the battery being sealed is provided with a boss part ( | 09-13-2012 |
20120276441 | LITHIUM ION BATTERY OF CRIMPING SHAPE OF INCREASED SAFETY - A cylindrical battery constructed in a structure in which a crimp region is gently bent, such that the crimp region surrounds a gasket located at the inside of the crimp region, a bent front end is continuously bent twice to press the gasket, to be in the form of a compound curve. Under external physical impacts, such as vibration or dropping, applied to the battery, and when the internal pressure of the battery increases, the sealed portions are restrained from being separated from each other, thereby preventing the leakage of an electrolyte and thus greatly improving the safety of the battery. Furthermore, it is possible to minimize the deformation of the container, such as wrinkles, which may be formed due to failure to form the bent area gently when bending the front end of the crimp region with a small radius of curvature. | 11-01-2012 |
20130196214 | MEDICAL DEVICE BATTERY ENCLOSURE - In one example, the disclosure is directed to a medical device comprising an outer housing and a battery within the outer housing, where the battery is configured to supply power to one or more electronic components of the medical device. The battery comprises a first electrode, a second electrode, an electrolyte, and a multilayer battery enclosure. The multilayer battery enclosure comprises a substantially cylindrical member including a continuous multilayer body defining a cavity between a first end and a second end, and wherein at least one of the first end and second end are sealed to enclose the first electrode, second electrode, and the electrolyte within the cavity of the multilayer battery enclosure. | 08-01-2013 |
20130224572 | Disc Battery Pressure-Activated Cap - A pressure-activated dome switch is provided for a disc battery. The dome switch is electrically insulated from the positive and negative battery terminals. The dome switch can be combined with an insulator to completely isolate one of the battery terminals, thereby preventing creation of an electrical current while the switch is in its normally-off state. The dome switch may be attached to the disc battery with an electrically-insulating adhesive material. The dome switch may be attached to the disc battery by an insulating cap and insulated from the positive or negative battery terminals by an insulating washer. A method for manufacturing a disc battery with a dome switch is also provided. | 08-29-2013 |
20130330601 | COIN BATTERY - Disclosed is a coin battery including: a cylindrical battery can having a bottom portion, and a first side wall rising from the periphery of the bottom portion; a sealing plate having a top portion, and a second side wall extending from the periphery of the top portion along the inner side of the first side wall; a gasket interposed and compressed between the first side wall and the second side wall; and a power generation element sealed with the battery can and the sealing plate. In order to improve the battery capacity while ensuring leakage resistance, the second side wall is provided with a bulging portion bulging outward, and a part of the power generation element is disposed inside the bulging portion. The negative electrode is preferably in contact with the inner side of the bulging portion. | 12-12-2013 |
20140065471 | SECONDARY BATTERY - A secondary battery that includes a can, an electrode assembly accommodated in the can together with an electrolytic solution, a cap assembly sealing the can, and an insulation member. The insulation member is interposed between the electrode assembly and the cap assembly. The insulation member includes a heat shrinkable material. | 03-06-2014 |
20140087240 | ALKALINE BATTERY - In an alkaline battery, a positive electrode | 03-27-2014 |
20140106207 | SWELLING TAPE FOR FILLING GAP - A swelling tape for filling a gap, a method of manufacturing the swelling tape for filling a gap, a method of filling a gap, an electrode assembly and a secondary battery are provided. For example, the swelling tape can be applied inside a gap in which a fluid exists so as to fill the gap by becoming a 3D form, and can be useful at anchoring a subject in which the gap is formed, as necessary. | 04-17-2014 |
20140154561 | BUTTON CELL WITH A LARGE INTERNAL VOLUME - A button cell includes a sealed housing including a cup having a base, a circumferential sleeve, an intermediate region connecting the base and sleeve, and a cut edge, a cover having a base, a circumferential sleeve, and a cut edge, and a seal, wherein the cover is arranged with the cut edge in front into the cup, and the seal between the cup and cover is arranged such that it isolates them from each other, and wherein the sleeve of the cover is divided into a single-walled section and an adjoining circumferential double-walled opening edge with a U-shaped cross-section formed by bending the cut edge of the cover radially outwardly, the sleeve of the cover has a circumferential notch directly below the circumferential double-walled opening edge, in which its external diameter has a minimum value, and the sleeve of the cup has a circumferential protuberance formed by radial drawing-in. | 06-05-2014 |
20140170472 | COIN BATTERY - Disclosed is a coin battery including: positive and negative electrodes, a separator interposed therebetween, and an electrolyte; and a housing accommodating these elements. The housing includes: a cylindrical battery case having a bottom, and a first side wall rising from the periphery thereof; a sealing plate having a top, and a second side wall extending from the periphery of the top and along inside the first side wall; and a gasket between the first and second side walls. The sealing plate has: a first curved portion at the boundary between the top and the second side wall, a second curved portion continued from the first curved portion, a third curved portion continued from the second curved portion, and a descending portion continued from the third curved portion. The ratio: R1/R2 where R1 and R2 are outer radii of curvatures of the first and second curved portions is 0.22 to 1.88. | 06-19-2014 |
20140242448 | CYLINDRICAL BATTERY - Provided is a small-sized cylindrical battery in which improvement in battery characteristics and improvement in long-term reliability and safety are both realized. | 08-28-2014 |
20140255763 | METHOD AND DEVICE FOR DENDRITE RESEARCH AND DISCOVERY IN BATTERIES - An electrolytic coin cell that has been used to study the growth of lithium dendrites by optical observation is described. The cell makes possible observation of the growth of the dendrites in response to various applied conditions, such as applied electrical signals, chemical effects, and temporal effects in a real coin cell geometry. | 09-11-2014 |
20140272548 | SECONDARY BATTERY STRUCTURE - The present invention relates to a secondary battery structure. The secondary battery structure includes: a can an electrode assembly accommodated in the can, the electrode assembly including a cathode tab and an anode tab; a cap plate sealing an opened upper end of the can; and an upper insulator disposed between the can and the cap plate, the upper insulator having a cathode tab hole for the cathode tab, an anode tab hole for the anode tab, and an injection/impregnation hole for injecting and impregnating, wherein each of the cathode tab hole, the anode tab hole, and the injection/impregnation hole extends in a length or width direction of the upper insulator and is symmetrical with respect to at least one of a line (a) that equally divides the upper insulator in a width direction and a line (b) that equally divides the upper insulator in a length direction. | 09-18-2014 |
20140295255 | BRIDGELESS SEALED SODIUM-BASED THERMAL BATTERIES AND METHODS OF SEALING SAME - The present application provides configurations, components, assemblies and methods for sealing cells of sodium-based thermal batteries, such as NaMx cells, without a bridge member. In some embodimentsl the cells may include an electrically conductive case directly hermetically sealed to an electrically insulating ceramic collar of the cell to hermetically seal an anodic chamber of the cell. In some embodiments the ceramic collar and an electrolyte separator tube may be a cosintered one-piece member. In some embodiments the case and the ceramic collar and separator tube may form a hermetically sealed anodic chamber therebetween. In some embodiments the separator tube may define, at least in part, a cathodic chamber therein. In some embodiments the cells may include a current collector hermetically sealed to the ceramic collar, and a cap member hermetically sealed to the current collector to hermetically seal the cathodic chamber of the cell. | 10-02-2014 |
20150024258 | CYLINDRICAL ALKALINE STORAGE BATTERY - An alkaline storage battery includes: a cylindrical case having a side wall including an opening end portion and a bottom; a sealing plate; a gasket interposed between the sealing plate and the opening end portion; and a sealant between the gasket and the opening end portion. The side wall has an annular groove opened at an outer surface thereof, and an inwardly curl portion at the opening end portion. In at least part of the groove, the minimum width L1 is within 0.2 mm. The sealant includes a polyamide resin formed such that when two test-plate materials are bonded together at bonding faces facing each other via a bonding portion of the sealant, and moved in parallel with the bonding faces and in opposite directions to have a relative displacement within 0.5 to 5 mm, a stress at least 0.02 N/mm | 01-22-2015 |
20150118545 | FLAT BATTERY - There is provided a flat battery ( | 04-30-2015 |
20150295218 | FLAT-SHAPED BATTERY - Disclosed is a flat-shaped battery including: a power generation element including a positive electrode, a negative electrode, a separator, and an electrolyte; a cylindrical case formed of a conductor, housing the power generation element, and having a circular bottom and a circular opening; a sealing plate formed of a conductor and closing the opening; an insulating member interposed between the case and the sealing plate; and a plate-shaped current collector disposed between the case and the positive electrode. The current collector is welded to the case and is in contact with the positive electrode. A welding point where the current collector is welded to the bottom is set so as to allow contact between the positive electrode and a center portion of the current collector to be maintained when the case is deformed such that a center portion of the bottom is displaced outward of the case. | 10-15-2015 |
20160036011 | COIN CELL BATTERY ANALYZED WITH IN-SITU X-RAY ANALYSIS, METHOD OF MANUFACTURING THE SAME, AND METHOD OF ANALYZING THE SAME USING X-RAY - An in-situ X-ray analyzed coin cell battery includes a case, a cap combined with the case, and an energy storage member provided between the case and the cap. A hole through which an X-ray is irradiated is defined in at least one of the case and the cap. | 02-04-2016 |
20160177136 | SEAL TAPE | 06-23-2016 |
20160186021 | PRESSURE-SENSITIVE ADHESIVE COMPOSITION - Provided are a seal tape and a secondary battery. The seal tape for adhering an electrode assembly includes a pressure-sensitive adhesive layer including a cured product of a pressure-sensitive adhesive composition including a polymer including a polar functional group-containing monomer as a polymerization unit, and is expanded in contact with an electrolyte solution to be detached from the electrode assembly, and therefore, isotropic volume expansion and contraction of the electrode assembly may be induced by repeated charging and discharging of a secondary battery and a disconnection phenomenon in which an electrode is disconnected may be prevented. | 06-30-2016 |
20160190607 | ELECTROCHEMICAL CELL - The present invention concerns an electrochemical cell of a layered electrode structure, oppositely poled electrode layers being arranged such that they are physically kept at a distance from one another by separator layers. The cells comprise a first housing part, which defines an interior volume and is designed in such a way that at the same time it forms an output conductor for a first electrode pole. It also comprises a pin, which extends from the outside into the interior volume and is designed in such a way that it forms an output conductor for a second electrode pole. The cell according to the invention also comprises an insulation, which insulates the first housing part electrically from the pin, and the electrode layers in the interior volume being in physical contact with their corresponding output conductors in such a way that there is a mechanical pretensioning between the electrode layers and the corresponding output conductor. The present invention also concerns a method for producing an electrochemical cell according to the invention, and also corresponding uses of the same. | 06-30-2016 |
20170237049 | SEALED BATTERY | 08-17-2017 |