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| Number | Title | Issue Date |
| 8173291 | Electrode package and secondary battery using the same A secondary battery includes an electrode assembly having a positive electrode, a negative electrode and a separator interposed between those two electrodes. The secondary battery also includes a container for receiving the electrode assembly inside thereof; a cap a... | 05/08/2012 |
| 8153292 | Electrochemical device, manufacturing method of electrode thereof and processing apparatus for electrode of electrochemical device According to a method for manufacturing an electrode of an electrochemical device, an electrode precursor capable of absorbing and releasing lithium is provided with lithium, and the resistance of the electrode precursor is measured after absorbing lithium. In addit... | 04/10/2012 |
| 8148001 | Devices for storing energy in the mechanical deformation of nanotube molecules and recovering the energy from mechanically deformed nanotube molecules An energy storage device includes at least one nanotube. An energy storage mechanism converts energy external to the device into the appropriate levels of strain on the at least one nanotube to produce stored energy, and an energy recovery mechanism converts the ene... | 04/03/2012 |
| 8133604 | Electrochemical device assembly having electrode tabs connected to a clad spacer The electrochemical device assembly includes an anode tab in electrical communication with one or more anodes. The anode tab includes a first material. The assembly also includes a spacer having a third material and a fourth material. The third material is connected... | 03/13/2012 |
| 8124267 | Lithium secondary battery having partitioned electrolyte A lithium secondary battery is provided. Electrolytes of the lithium secondary battery are divided between an anode and a cathode into a plurality of regions not to contact with each other, thereby limiting movement paths of lithium ions. In this way, the lithium se... | 02/28/2012 |
| 8092934 | Energy storage device having a collector plate In one embodiment, an energy storage device comprises a container containing a first electrode generating a positive charge, a second electrode generating a negative charge, and an electrolyte in ionic contact with the electrodes. The container comprises a base and ... | 01/10/2012 |
| 8062783 | Systems, devices, and methods for powering and/or controlling devices, for instance transdermal delivery devices Systems, devices, and methods for powering and/or controlling electrically powered devices. A power supply system is operable to provide a voltage across at the active and the counter electrode assemblies of a transdermal delivery device. The system includes a power... | 11/22/2011 |
| 8048555 | Flowing electrolyte battery with electric potential neutralization Flowing electrolyte batteries capable of being selectively neutralized chemically; processes of selectively neutralizing flowing electrolyte batteries chemically; and processes of selectively restoring the electrical potential of flowing electrolyte batteries are di... | 11/01/2011 |
| 8034474 | Battery pack with nondirectional terminal Provided is a battery pack with a nondirectional terminal, which includes a terminal part electrically connected to a connector part provided on a battery pack mounting surface of a body of an electronic device. The terminal part includes a plurality of individual t... | 10/11/2011 |
| 8034475 | Anode for secondary battery and secondary battery using the same A secondary battery includes an anode for a secondary battery, a cathode which absorbs and discharges lithium ions, and an electrolyte which is placed between the anode for the secondary battery and the cathode. The anode for the secondary battery includes an anode ... | 10/11/2011 |
| 7985496 | Side terminal and insert, method and apparatus for manufacturing same A cold formed battery terminal and a method for forming the like having a body defining a cavity and an insert formed of a material different than the body confined in the cavity. The insert includes an insert base, at least one side wall, and at least one flange ex... | 07/26/2011 |
| 7951479 | Method and apparatus for porous insulative film for insulating energy source layers The present subject matter includes an apparatus, having: an anode having an elongate ribbon shape; a cathode having an elongate ribbon shape, the cathode disposed adjacent to and in alignment with the anode; a separator disposed between the anode and the cathode; a... | 05/31/2011 |
| 7879484 | Cylindrical lithium ion secondary battery A cylindrical lithium ion secondary battery includes an electrode assembly; a center pin positioned within the electrode assembly and having upper and lower ends that are closed; a can containing the electrode assembly and the center pin; and a cap assembly coupled ... | 02/01/2011 |
| 7838143 | CID retention device for Li-ion cell A low pressure current interrupt device (CID) activates at a minimal threshold internal gauge pressure in a range of, for example, between about 4 kg/cm2 and about 9 kg/cm2. Preferably, the CID includes a first conductive plate and a second con... | 11/23/2010 |
| 7790307 | Structure and operation method of battery pack A battery pack for reducing a memory effect is disclosed. The battery pack includes at least one or more battery cells. A battery cell with the smallest residual voltage is selected from battery cells each having a residual voltage greater than a minimum threshold v... | 09/07/2010 |
| 7785734 | Secondary battery having an improved safety Disclosed is a secondary battery. The secondary battery includes a battery can serving as a positive electrode terminal or a negative electrode terminal of the secondary battery, an electrically conductive substrate provided at an outer portion of the battery can, a... | 08/31/2010 |
| 7763377 | Electrochemical element having an ellipsoidal assembly configured for high power input The electrochemical element includes an electrode assembly accommodated in a case with an electrolyte. The electrode assembly is formed into a flat shape by winding positive and negative electrodes with a separator interposed therebetween. The positive electrode inc... | 07/27/2010 |
| 7745041 | Electrochemical element Positive and negative electrodes include exposed current collector portions at both lengthwise ends, and these exposed current collector portions are bent such as to protrude from the widthwise edge of the electrodes to form welding pieces. The positive and negative... | 06/29/2010 |
| 7740979 | Alkaline electrochemical cell capable of providing optimum discharge efficiencies at a high tech drain rate and a low drain rate An alkaline electrochemical cell capable of providing optimum discharge efficiencies at both a high tech drain rate and a low drain rate is disclosed. In one embodiment, the ratio of the anode's electrochemical capacity to the cathode's electrochemical capacity is b... | 06/22/2010 |
| 7736794 | Battery having electrolye with high molecular weight compound The invention provides a battery, which can improve battery characteristics such as high temperature storage characteristics. The battery comprises a battery device, wherein a cathode and an anode are wound with a separator in between. The anode contains an anode ma... | 06/15/2010 |
| 7727667 | Accumulator device A package case is structured by a plurality of substantially identical and flat frames stacked on one another. Flat laminate cells (accumulator cells) are individually accommodated in the frames and stacked on one another, so that the number of flat laminate cells (... | 06/01/2010 |
| 7700225 | Binder and electrode for lithium battery, and lithium battery containing the same A lithium battery binder includes polyvinylidenefluoride(PVDF) having an IR absorption peak ratio of Iγ in a range from 0.35 to 1.00, wherein Iγ is equal to I820-850/I860-880 where I820-850 is a peak height re... | 04/20/2010 |
| 7695854 | Lithium secondary battery A lithium secondary battery including: a positive electrode including a strip-shaped positive electrode current collector and a positive electrode active material layer carried on each surface of the positive electrode current collector; a negative electrode includi... | 04/13/2010 |
| 7691527 | Method and apparatus for generating hydrogen One embodiment of the present invention is a hydrogen generator that includes: (a) an anode material; (b) a cathode material; and (c) an electrolyte; wherein the electrolyte comprises a metal hydride, at least one stabilizing agent, and a solvent; and wherein hydrog... | 04/06/2010 |
| 7682729 | Package structure of electric storage cells A cell binder includes a frame body and a frame body. A storage portion of a electric storage cell are pressed/clamped by the bottom of an accommodating portion of the frame body and the bottom of an accommodating portion of the frame body. Also, a sealing portion o... | 03/23/2010 |
| 7642005 | Battery pack A battery pack includes a case having an inner space, a plurality of battery cells placed inside the case, and at least one spacer placed between the battery cells. A space is formed around a supporting portion of the spacer for the battery cells so as to allow heat... | 01/05/2010 |
| 7629076 | Battery and method for manufacturing the same A battery having a collecting structure that can reduce internal resistance of the battery and a structure that allows easy manufacturing of the battery by the following processes is provided. An enlarged portion is formed near an opening end of a battery case and a... | 12/08/2009 |
| 7595129 | Battery pack having a battery unit of sheet-shaped secondary batteries connected through a terminal block The present invention is applied to a power supply of a portable personal computer, for instance, to hold sheet-shaped secondary battery cells in a multi-layered arrangement with the same-side surfaces facing each other. In the above configuration, positive terminal... | 09/29/2009 |
| 7547489 | Electrochemical device An electrochemical device having an electrode plate assembly that includes: (a) at least one first electrode; (b) at least one second electrode; and (c) a separator interposed between the first electrode and the second electrode, the electrode plate assembly includi... | 06/16/2009 |
| 7527894 | Identifying defective electrodes in lithium-ion polymer batteries Methods and apparatus for identifying defective lithium-ion polymer battery electrodes are disclosed. The methods include assembling a stack of electrodes, monitoring voltage of the stack during the assembling, and identifying defective electrodes based on the volta... | 05/05/2009 |
| 7514173 | Water-activated cell and method of power generation A water-activated cell comprises an acidic medium including an acidic substance and having a first electrode disposed therein, a basic medium including a basic substance and having a second electrode disposed therein, which basic medium is disposed adjacent to or ne... | 04/07/2009 |
| 7498098 | Method for producing positive cathode material for lithium battery, and lithium battery A method for producing a cathode material for a lithium battery, characterized in that it comprises admixing a compound liberating a phosphate ion in a solution and metallic iron, and dissolving the metallic iron, followed by firing, thereby synthesizing ferric phos... | 03/03/2009 |
| 7491464 | Alkaline cell with flat housing An alkaline cell having a flat housing, preferably of cuboid shape. The housing may be laser welded closed with a metal cover inserted as a part of an end cap assembly. A portion of an insulating seal may be held compressed between a sleeve extending from the metal ... | 02/17/2009 |
| 7482092 | Polymer battery having the outer peripheries of the separator and negative electrode positioned outside of an outer periphery of the positive electrode A polymer battery having at least one layer of a positive electrode, at least one layer of a polymer electrolyte retained by a separator and at least one layer of a negative electrode, each of which is in a thin film form, stacked in this order, wherein the entirety... | 01/27/2009 |
| 7473488 | Battery with vibration-resistant joint between positive electrode and current carrying strap A method of manufacturing a battery includes providing a cell for a battery having alternating positive and negative electrode plates, each of the electrode plates being separated by an electrically insulative separator layer. Each of the positive and negative elect... | 01/06/2009 |
| 7468221 | Microscopic batteries for MEMS systems Microscopic batteries, integratable or integrated with and integrated circuit, including a MEMS microcircuit, and methods of microfabrication of such microscopic batteries are disclosed. ... | 12/23/2008 |
| 7462419 | Microscopic batteries for MEMS systems Microscopic batteries, integratable or integrated with and integrated circuit, including a MEMS microcircuit, and methods of microfabrication of such microscopic batteries are disclosed. ... | 12/09/2008 |
| 7435395 | Alkaline cell with flat housing and nickel oxyhydroxide cathode An alkaline cell having a flat casing, preferably of cuboid shape. The cell can have an anode comprising zinc and a cathode comprising nickel oxyhydroxide. The casing can have a relatively small overall thickness, typically between about 5 and 10 mm, but may be larg... | 10/14/2008 |
| 7410721 | Positive electrode current collector and manganese dry battery using the same The positive electrode current collector for a manganese dry battery of the present invention comprises a carbon rod, and either one of a paraffin wax containing hydrocarbon whose molecular weight is 300 to 500 and a microcrystalline wax containing hydrocarbon whose... | 08/12/2008 |
| 7393440 | Hydrogen generation system The present invention provides a system for generating hydrogen gas in an aqueous solution based electrolytic or galvanic cell wherein the cathode is made from aluminum or an aluminum alloy. In a preferred arrangement the cell is a galvanic cell and cathode is made ... | 07/01/2008 |
