Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8101295 | Lithium secondary battery A lithium secondary battery has a wound electrode assembly (5). The wound electrode assembly (5) has a negative electrode (2) having a negative electrode active material layer containing a negative electrode active material capable of alloying w... | 01/24/2012 |
| 8097357 | Battery can and method for manufacturing the same A battery can of the present invention ensures a stable and favorable contact with an electrode and thus makes it possible to obtain a highly reliable battery excellent in high rate discharge characteristics. The battery can having an opening, including a cylindrica... | 01/17/2012 |
| 8062786 | Cylindrical secondary battery of improved safety Disclosed herein is a cylindrical secondary battery constructed in a structure in which a crimping region, at which a cap assembly is mounted to the open upper end of a cylindrical container having an electrode assembly mounted therein, is formed at the upper end of... | 11/22/2011 |
| 8039147 | Rechargeable secondary battery having improved safety against puncture and collapse A rechargeable battery according to embodiments of the present invention has improved safety against puncture and collapse. The secondary battery includes an electrode assembly, a case, a first electrode terminal and a second electrode terminal, a cap plate, and a s... | 10/18/2011 |
| 7951484 | Battery can, method for producing the same, and battery The method for producing a battery can according to this invention includes the steps of: (1) producing a battery can having a cylindrical side wall, a bottom, and an opening from a steel plate by a can-making process; (2) washing the battery can with tap water or i... | 05/31/2011 |
| 7927734 | Lithium secondary battery and fabrication method thereof A lithium secondary battery which includes a battery unit having a positive electrode plate, a negative electrode plate and a separator interposed therebetween. A can accommodates the battery unit, and a reinforcing means is disposed above the can to increase a thic... | 04/19/2011 |
| 7919206 | Electrode assembly and secondary battery using the same An electrode assembly and a secondary battery using the same, the electrode assembly including: first and second electrode plates, which are wound with a separator disposed therebetween; and first and second electrode tabs respectively adhered to the first and secon... | 04/05/2011 |
| 7879486 | Electric storage battery construction and method of manufacture An electric storage battery and method of manufacture thereof characterized by a feedthrough pin which is internally directly physically and electrically connected to an inner end of a positive electrode substrate. A C-shaped mandrel extends around the pin and subst... | 02/01/2011 |
| 7846578 | Rechargeable battery 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. Th... | 12/07/2010 |
| 7678498 | Nonaqueous electrolyte secondary battery A nonaqueous electrolyte secondary battery includes a battery can container which houses a wound electrode body formed by winding a belt-shaped anode and cathode isolated by a separator together with an electrolytic solution, an anode terminal fixed to the battery c... | 03/16/2010 |
| 7662510 | X-ray sensitive battery separator and a method for detecting the position of a separator in a battery The instant application relates to an X-ray sensitive battery separator for a secondary lithium battery and a method for detecting the position of a separator in a secondary lithium battery. The X-ray sensitive battery separator includes a microporous membrane havin... | 02/16/2010 |
| 7632603 | Electric storage battery construction and method of manufacture An electric storage battery and method of manufacture thereof characterized by a feedthrough pin which is internally directly physically and electrically connected to an inner end of a positive electrode substrate. A C-shaped mandrel extends around the pin and subst... | 12/15/2009 |
| 7629078 | Cylindrical battery capable of preventing occurrence of defects due to vibration-absorbing ring A cylindrical battery, comprising: a cylindrical casing having a bottom, and has a short-diameter part near an opening thereof; an electrode assembly that is housed in the casing; and a sealing plate that seals the opening, wherein an insulating ring is inserted in ... | 12/08/2009 |
| 7537860 | Alkaline battery An alkaline battery according to the present invention includes: a power generation element including a positive electrode, a negative electrode, a separator placed between the positive electrode and the negative electrode, and an electrolyte; a positive terminal po... | 05/26/2009 |
| 7534526 | Alkaline battery An alkaline battery according to the present invention includes: a battery case that houses a power generation element therein; and an assembly sealing portion that closes an opening of the battery case. The assembly sealing portion includes a negative terminal port... | 05/19/2009 |
| 7438994 | Non-aqueous electrolyte secondary battery A non-aqueous electrolyte secondary battery has a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte solution. The positive electrode has a theoretical capacity per unit area from 3.0 to 4.5 mAh/cm2. The non-aqueous elect... | 10/21/2008 |
| 7416811 | Electric storage battery construction and method of manufacture An electric storage battery and method of manufacture thereof. Active material (78) is removed from both sides of the outer end (88) of the negative electrode (70) in a jellyroll (84) to allow room for adhesive tape (96) to secure ... | 08/26/2008 |
| 7407724 | Embedded electrode conformations for balanced energy, power, and cost in an alkaline cell A battery cell, such as a cylindrical or prismatic alkaline cell, is disclosed having significantly improved capacity utilization at mid-range power levels of discharge by implementing a curvilinear-like inner electrode configuration that provides moderated surface ... | 08/05/2008 |
| 7378182 | Cylindrical alkaline storage battery A cylindrical alkaline storage battery has a conductive cylindrical case whose outside diameter lies in a range from 13.5 mm to 14.5 mm, and an electrode assembly contained, together with an alkaline electrolyte, in the case. The electrode assembly is formed by spir... | 05/27/2008 |
| 7368202 | Electrochemical device having opposing electrodes An electrochemical device comprises, at least, a first electrode, a second electrode, and an electrolyte layer having an ionic conductivity. The first and second electrodes oppose each other by way of the electrolyte layer. The first and second electrodes comprise a... | 05/06/2008 |
| 7364817 | Secondary battery and method of manufacturing the same A secondary battery includes an electrode assembly including a positive electrode, a negative electrode and a separator interposed therebetween. A container receives the electrode assembly, and a cap assembly is fixed to the container to seal the container. A collec... | 04/29/2008 |
| 7351496 | Battery A battery including an electrode unit which is an electricity generating element housed in a battery can, in which the electricity can be taken out of the can via a pair of negative and positive electrode terminals which are exposed outside the can, and one of the n... | 04/01/2008 |
| 7351495 | Method of adding electrolyte to a gap between the cathode and separator of an alkaline cell An alkaline cell having a flat housing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising MnO2. The housing can have a relatively small overall thickness, typically between about 5 and 10 mm. Cell contents can... | 04/01/2008 |
| 7348099 | Nonaqueous secondary electrolytic battery A nonaqueous secondary electrolytic battery comprising an electricity-generating element formed by spirally winding a laminate of a positive electrode plate, a separating material and a negative electrode plate, and an electrolytic solution with which the separating... | 03/25/2008 |
| 7348095 | Battery and method for manufacturing the same After accommodating an electrode group in a battery case having a substantially square transverse cross section, making an opening head of the battery case into a cylindrical shape through compression molding, an annular groove is formed by pressing a groove-forming... | 03/25/2008 |
| 7318980 | Rechargeable battery A rechargeable battery comprises an electrode assembly that comprises a positive plate, a negative plate, and a separator interposed between those two plates. It also includes a container for the electrode assembly, a cap assembly fixed to the container to seal the ... | 01/15/2008 |
| 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 |
| 7294430 | Battery having a wound electrode element In a battery having a wound electrode element which is made contact with by means of a pin, a contact connection is fitted on the outer face and is electrically connected to the pin which is arranged in the housing. The connection between the pin and the contact con... | 11/13/2007 |
| 7288126 | Battery cells having improved power characteristics and methods of manufacturing same A battery cell, and methods of manufacturing the same, having significantly improved capacity utilization at high discharge rates while maintaining much of the energy content and other feature advantages of typical cylindrical or prismatic alkaline cells, by impleme... | 10/30/2007 |
| 7273678 | Secondary cell A secondary cell comprises an electrode unit housed in a cell can comprising a cylinder having a bottom and a closed opening, and a current collector plate 50 is provided at one end of the electrode unit. The current collector plate 50 has a plurality ... | 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 |
| 7267904 | Nonaqueous secondary electrolytic battery A nonaqueous secondary electrolytic battery comprising an electricity-generating element formed by spirally winding a laminate of a positive electrode plate, a separating material and a negative electrode plate, and an electrolytic solution with which the separating... | 09/11/2007 |
| 7264904 | Cylindrical battery cell having improved power characteristics and methods of manufacturing same A battery cell, such as a cylindrical alkaline cell, is disclosed having significantly improved capacity utilization at high discharge rates while maintaining much of the energy content and other feature advantages of typical cylindrical alkaline cells, by implement... | 09/04/2007 |
| 7261972 | Nonaqueous electrolyte secondary battery A nonaqueous electrolyte secondary battery includes an electrode group having a positive electrode and a negative electrode wound flatly by way of an interposed separator, a positive electrode tab electrically connected to the positive electrode, and projecting from... | 08/28/2007 |
| 7238448 | Cathode for air assisted battery A cathode for an air recovery alkaline battery is disclosed. The cathode contains at least about 60% by weight MnO2 and at least about 2% by weight of a hydrophobic polymer; the MnO2 consists essentially of electrochemically synthesized MnO | 07/03/2007 |
| 7211348 | Multifunctional battery and method of making the same Disclosed herein is a multifunctional battery for supplying power to an electrical circuit, and the related method of making the same. Use of the multifunctional battery permits structural integrity and versatility, while maximizing power output of the cells and min... | 05/01/2007 |
| 7205068 | Electric battery assembly and method of manufacture An energy storage device, such as an electrical storage battery, having a unique terminal structure, sealing arrangement and an S-shaped mandrel for the electrode assembly. The battery generally includes a case in which an electrode assembly is dispose, and a cover ... | 04/17/2007 |
| 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 |
| 7175936 | Lithium secondary battery and assembled structure of lithium secondary batteries A lithium secondary battery 10 is provided with an inner electrode body 1 comprising a positive electrode plate and a negative electrode plate respectively made up of at least one metal foil 6 wound or laminated; said inner electrode body being ... | 02/13/2007 |
