| Patent application number | Description | Published |
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| 20080236909 | ACTIVE MATERIAL, NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - An active material including a metal oxide represented by the following formula (1): | 10-02-2008 |
| 20080239628 | PROTECTION DEVICE FOR ASSEMBLED BATTERY, AND BATTERY PACK UNIT - A protection device for an assembled battery includes a sampling unit which individually samples voltages of batteries of the assembled battery to generate sampled voltages, a holding unit which holds the sampled voltages to generate a plurality of holding voltages, a multiplexer which sequentially reads the holding voltages and outputs each voltage to a common output node, a measuring unit configured to measure the individual voltages and the state of charges of the batteries based on a voltage of the node in a measuring period within a constant measuring cycle, and a control unit configured to turn on/off the sample switches at the same time within the measuring period and repeatedly turn on/off at least one sample switch selected from the plurality of sample switches in accordance with the state of charge in a term other than the measuring period. | 10-02-2008 |
| 20080241687 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A nonaqueous electrolyte battery includes a positive electrode and a negative electrode. The negative electrode includes a negative electrode current collector, a negative electrode layer and a top part. The positive electrode includes an end portion as viewed in a length direction of the positive electrode. The top part is gradually decreased in width towards an apex of the top part on one end of the current collector as viewed in a length direction of the current collector. The apex is arranged at a position corresponding to one-half of a maximum width of the negative electrode layer. The top part has a shape symmetric with respect to the position, and is arranged between the end portion of the positive electrode and a positive electrode portion outward of the end portion of the positive electrode. The end portion is arranged at a position preceding the top part. | 10-02-2008 |
| 20080241689 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A nonaqueous electrolyte battery includes a negative electrode and a positive electrode. The negative electrode includes a negative electrode current collector and a negative electrode active material having a lithium ion absorption potential of 0.4 V (vs. Li/Li+) or more. The negative electrode current collector is made of aluminum or an aluminum alloy. The positive electrode includes a positive electrode current collector and a positive electrode active material. The positive electrode current collector has a total area and specific capacitance larger than those of the negative electrode current collector, and is made of aluminum or an aluminum alloy. | 10-02-2008 |
| 20080241692 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode contains a lithium compound and a negative electrode current collector supporting the lithium compound. A log differential intrusion curve obtained when a pore size diameter of the negative electrode is measured by mercury porosimetry has a peak in a pore size diameter range of 0.03 to 0.2 μm and attenuates with a decrease in pore size diameter from an apex of the peak. A specific surface area (excluding a weight of the negative electrode current collector) of pores of the negative electrode found by mercury porosimetry is 6 to 100 m | 10-02-2008 |
| 20090017381 | ELECTRODE FOR NON-AQUEOUS ELECTROLYTE BATTERY AND NON-AQUEOUS ELECTROLYTE BATTERY - An electrode for a non-aqueous electrolyte battery includes a current collector formed of aluminum foil or aluminum alloy foil, and an active material-containing layer formed on a surface of the current collector and containing an active material, a conductive agent and a binder. The conductive agent comprises a carbon particle group containing first carbon particles each exhibiting an aspect ratio of more than one. A portion of each of the first carbon particles is embedded into the current collector to the depth corresponding to 20 to 50% of the thickness of the current collector. A major axis of each of the first carbon particles has a length of 1.05 to 1.50 times as large as the thickness of the active material-containing layer. | 01-15-2009 |
| 20090029249 | NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The positive electrode contains active material particles and a coating material. The active material particles are represented by any one of the following formulae (1) to (3) and have an average particle diameter of 0.1 to 10 μm. The coating material comprises at least particles having an average particle diameter of 60 nm or less or layers having an average thickness of 60 nm or less. The particles or the layers contain at least one element selected from the group consisting of Mg, Ti, Zr, Ba, B and C. | 01-29-2009 |
| 20090035658 | ASSEMBLED BATTERY AND BATTERY PACK - According to an aspect of the invention, there is provided an assembled battery including: a conductive filler; a first cell comprising a flat first electrode tab made of aluminum or an aluminum alloy; a second cell comprising a flat second electrode tab formed of aluminum or an aluminum alloy. The second electrode tab is electrically connected to the first electrode tab through the conductive filler intervening between the first cell and the second cell and through weld surfaces of the first cell and the second cell which are at least partly welded to each other. | 02-05-2009 |
| 20090042095 | ACTIVE MATERIAL FOR BATTERY, MANUFACTURING METHOD OF THE SAME, NON-AQUEOUS ELECTROLYTIC BATTERY AND BATTERY PACK - An active material for a battery includes a mixed phase includes a lithium titanium composite oxide phase and a nonstoichiometric titanium oxide phase. This active material is excellent in lithium absorption/desorption performance, exhibiting high electric potentials in lithium absorption/desorption and high conductivity. | 02-12-2009 |
| 20090053605 | ACTIVE MATERIAL OF NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE BATTERY, METHOD OF MANUFACTURING ACTIVE MATERIAL OF NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE BATTERY AND NON-AQUEOUS ELECTROLYTE BATTERY - There is disclosed a negative electrode active material for a non-aqueous electrolyte battery, which comprises lithium titanium composite oxide represented by a general formula of: Li | 02-26-2009 |
| 20090061292 | NONAQUEOUS-ELECTROLYTE BATTERY AND BATTERY PACK - A nonaqueous-electrolyte battery includes a positive electrode, a negative electrode which is constituted of a negative-electrode current collector and a layer containing a negative active material and deposited on one or each side of the negative-electrode current collector and in which the layer contains at least one member selected from lithium carbonate, lithium sulfide, lithium phosphide, and lithium fluoride and further contains a lithium-titanium composite oxide, and a nonaqueous electrolyte. | 03-05-2009 |
| 20090075166 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY MODULE - A nonaqueous electrolyte secondary battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, the negative electrode comprising a negative electrode current collector and a negative electrode layer that is carried on the negative electrode current collector and contains negative electrode active material particles, and the negative electrode current collector comprising an aluminum foil having an average crystal grain size of 50 μm or less or an aluminum alloy foil having an average crystal grain size of 50 μm or less. | 03-19-2009 |
| 20090081534 | SECONDARY BATTERY, BATTERY PACK AND CAR - A secondary battery includes a positive electrode, a negative electrode containing a metal compound having a lithium ion absorption potential of 0.2V (vs.Li/Li | 03-26-2009 |
| 20090081551 | NON-AQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - A non-aqueous electrolyte battery comprises a negative electrode comprising a current collector, and a negative electrode layer formed on one or both surfaces of the current collector, a positive electrode, and a separator interposed between the negative electrode and the positive electrode. The negative electrode layer comprises a plurality of layers laminated each other and containing a different active material each other, the layers comprising a first layer which is contacted with the current collector and contains spinel-type lithium titanate as an active material, and a second layer which is disposed to face the separator and contains Ramsdellite-type lithium titanate or anatase-type titanium oxide as an active material. | 03-26-2009 |
| 20090081558 | ACTIVE MATERIALS FOR NON-AQUEOUS ELECTROLYTE BATTERY AND NON-AQUEOUS ELECTROLYTE BATTERY - There is disclosed an active material for a non-aqueous electrolyte battery includes titanium-containing oxide having a crystal structure belonging to P4 | 03-26-2009 |
| 20090087727 | BATTERY PACK - There is disclosed a battery pack which comprises a packing case, a combination battery housed in the packing case and having a plurality of flat and rectangular type secondary batteries which are laminated each other, a hollow body interposed at least between the flat and rectangular type secondary batteries in the combination battery and made of a thermoplastic resin film having a melting point of 110 to 200° C., and a cooling medium passed through the hollow body and includes an nonflammable insulating solvent. | 04-02-2009 |
| 20090130543 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a negative electrode including a negative electrode current collector and a negative electrode active material layer that is formed on a first region of the negative electrode current collector, a negative electrode terminal connected to an edge section of a second region of the negative electrode current collector, a positive electrode including a positive electrode active material layer positioned to face the negative electrode active material layer and the second region, and a stress imparting member which imparts a tensile stress or a shearing stress to the second region. | 05-21-2009 |
| 20090169997 | NON-AQUEOUS ELECTROLYTE BATTERY - A non-aqueous electrolyte battery includes an electrode group includes a positive electrode and a negative electrode disposed through a separator, and a non-aqueous electrolyte. The negative electrode comprises a current collector and a porous negative electrode layer formed on the current collector and containing a lithium compound. The porous negative electrode layer has a first peak at a pore diameter of 0.04 to 0.15 μm and a second peak at a pore diameter of 0.8 to 6 μm in the relation between the pore diameter and log differential intrusion obtained in the mercury press-in method. | 07-02-2009 |
| 20090202892 | NONAQUEOUS-ELECTROLYTE BATTERY AND BATTERY ASSEMBLY - A nonaqueous-electrolyte battery has a positive electrode | 08-13-2009 |
| 20090291354 | NONAQUEOUS ELECTROLYTE BATTERY CONTAINING A NEGATIVE ELECTRODE OF LITHIUM-TITANIUM COMPOSITE OXIDE, BATTERY PACK AND VEHICLE - A nonaqueous electrolyte battery, containing a case and provided in the case, a positive electrode, a negative electrode and a nonaqueous electrolyte. The negative electrode comprises a lithium-titanium composite oxide, wherein a crystallite diameter of the lithium-titanium composite oxide is not larger than 6.9×10 | 11-26-2009 |
| 20100015509 | ACTIVE MATERIAL FOR BATTERY, NON-AQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - A non-aqueous electrolyte battery includes a container, a positive electrode housed in the container, a negative electrode housed in the container with a space from the positive electrode and containing an active material, and a non-aqueous electrolyte housed in the container. The active material includes a lithium-titanium composite oxide particle and a coating layer formed on at least a part of the surface of the particle, the coating layer being contained at least one element selected from the group consisting of phosphorous and sulfur or a phosphorous compound or a sulfur compound. | 01-21-2010 |
| 20100072950 | ASSEMBLED BATTERY SYSTEM - In an assembled battery system, parallel battery blocks are connected in series. Each of the battery blocks includes battery unit modules connected in parallel, and each of the modules includes a battery unit and a fuse connected in series. The battery block is provided with a common connection line connected to a fuse monitoring module, and MOS-FETs each having a gate, source and drain, wherein the fuse is connected between the gate and source, and the drain is connected to the connection line. The FET is turned on and a voltage is applied to the connection line through the FET from the battery unit, when the fuse is blown out. Thus, the fuse monitoring module can detects the blowout of the fuse, and a control module can turn off a control switch to stop charging/discharging of the assembled battery in accordance with the control signal from the fuse monitoring module. | 03-25-2010 |
| 20100075227 | NONAQUEOUS ELECTROLYTE BATTERY AND NEGATIVE ELECTRODE ACTIVE MATERIAL - A negative electrode active material includes complex particles and a carbonaceous material phase which binds the complex particles. The complex particles comprises a metal oxide having an average size of 50 nm to 1 μm and SiO | 03-25-2010 |
| 20100075230 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery includes a positive electrode containing lithium-iron phosphate, and a negative electrode containing a lithium-titanium composite oxide and a lithium composite oxide which is different from the lithium-titanium composite oxide. The lithium composite oxide has a potential of 2.5 to 3V vs. Li/Li | 03-25-2010 |
| 20100092846 | NON-AQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - The non-aqueous electrolyte battery includes an outer case, a positive electrode housed in the outer case, a negative electrode housed in the outer case such that the negative electrode is separated from the positive electrode, and a non-aqueous electrolyte accommodated in the outer case. The negative electrode comprises a current collector and negative electrode layer formed on one surface or both surfaces of the current collector. The negative electrode layer includes at least one main negative electrode layer which is formed on the surface of the current collector and contains a first active material, and a surface layer which is formed on the surface of the main negative electrode layer and contains a second active material different from the first active material, the second active material being a lithium titanium composite oxide having a spinel structure. | 04-15-2010 |
| 20100119936 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A nonaqueous electrolyte battery includes a negative electrode including a current collector and a negative electrode active material having a Li ion insertion potential not lower than 0.4V (vs. Li/Li | 05-13-2010 |
| 20100143790 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, including a negative electrode active material and an electronic conductor containing a carbonaceous material, wherein a negative electrode working potential is nobler at least 1 V than a lithium electrode potential, and the carbonaceous material has a spacing (d | 06-10-2010 |
| 20100201326 | STORAGE BATTERY SYSTEM AND AUTOMOBILE - A storage battery system includes a battery module including nonaqueous electrolyte secondary batteries. The storage battery system further includes a temperature sensor which measures a temperature of the battery module, a voltmeter which measures a voltage of each of the nonaqueous electrolyte secondary batteries and a charge control unit which controls a maximum end-of-charge voltage V | 08-12-2010 |
| 20100221598 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY MODULE - A nonaqueous electrolyte secondary battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, the negative electrode comprising a negative electrode current collector and a negative electrode layer that is carried on the negative electrode current collector and contains negative electrode active material particles, and the negative electrode current collector comprising an aluminum foil having an average crystal grain size of 50 μm or less or an aluminum alloy foil having an average crystal grain size of 50 μm or less. | 09-02-2010 |
| 20100237829 | ASSEMBLED BATTERY SYSTEM AND ASSEMBLED BATTERY PROTECTION DEVICE - An assembled battery system includes an assembled battery including a plurality of electric cell blocks connected in series, the electric cell blocks each including at least one nonaqueous electrolyte secondary battery provided with a negative electrode current collector formed of aluminum or an aluminum alloy, a voltage measuring unit configured to measure a plurality of voltages of the electric cell blocks, a controller which controls charge/discharge of the assembled battery in accordance with the measured voltages, and bypass circuits connected in parallel to the electric cell blocks, the bypass circuits each bypassing a current that flows from a negative electrode of one of the electric cell blocks to a positive electrode of the one of electric cell blocks when the measured voltage of the one of electric cell blocks is a negative value not greater than a threshold value. | 09-23-2010 |
| 20100248038 | NONAQUEOUS ELECTROLYTE BATTERY - A nonaqueous electrolyte battery includes a positive electrode, a negative electrode and a nonaqueous electrolyte. The positive electrode includes a lithium/manganese-containing oxide represented by Li | 09-30-2010 |
| 20100250038 | BATTERY MEASURING DEVICE, BATTERY CONTROL SYSTEM AND VEHICLE - A battery measuring device includes a temperature measuring unit which measures temperature T | 09-30-2010 |
| 20100255352 | ACTIVE MATERIAL FOR BATTERY, NON-AQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, a non-aqueous electrolyte battery includes an outer package, a positive electrode housed in the outer package, a negative electrode housed with a space from the positive electrode in the outer package and including an active material, and a non-aqueous electrolyte filled in the outer package. The active material includes a lithium-titanium composite oxide particle, and a coating layer formed on at least a part of the surface of the particle and including at least one metal selected from the group consisting of Mg, Ca, Sr, Ba, Zr, Fe, Nb, Co, Ni, Cu and Si, an oxide of at least one metal selected from the group or an alloy containing at least one metal selected from the group. | 10-07-2010 |
| 20100297490 | NON-AQUEOUS ELECTROLYTE BATTERY - According to one embodiment, a non-aqueous electrolyte battery includes an outer package container, a positive electrode housed in the outer package container and having a positive electrode layer containing an active material, a negative electrode housed in the outer package container and having a negative electrode layer containing lithium-titanium oxide, a separator housed in the outer package container and interposed at least between the positive electrode and the negative electrode, and a non-aqueous electrolyte housed in the outer package container. The separator includes a porous layer made of cellulose, a polyolefin, or a polyamide and an inorganic oxide filler dispersed in the porous layer, and has a porosity of 60 to 80% by volume. | 11-25-2010 |
| 20110020699 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A nonaqueous electrolyte battery includes a negative electrode including a current collector and a negative electrode active material having a Li ion insertion potential not lower than 0.4V (vs. Li/Li | 01-27-2011 |
| 20110033751 | NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A nonaqueous electrolyte battery includes a positive electrode, a negative electrode, a separator and a nonaqueous electrolyte. The negative electrode contains a negative electrode active material having a Lithium ion insertion potential of 0.4 V (vs. Li/Li | 02-10-2011 |
| 20110045328 | NON-AQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, a non-aqueous electrolyte battery includes an outer case, a positive electrode housed in the outer case and containing a positive electrode active material, a negative electrode housed in the outer case and containing a monoclinic crystal β-type titanium composite oxide, and a non-aqueous electrolyte filled in the outer case. An absolute value of a gradient of a potential of the negative electrode is larger than that of the positive electrode. Wherein, each of the gradients of a potential of the negative and positive electrodes is found from variations in potential which come at the state of full charge on an open-circuit potential curve drawn from potentials of the positive electrode and the negative electrode. | 02-24-2011 |
| 20110052942 | ACTIVE MATERIAL FOR BATTERY, NON-AQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, an active material for a battery includes a titanium composite oxide. The titanium composite oxide contains a monoclinic β-type titanium composite oxide as its main phase and has a ratio (A | 03-03-2011 |
| 20110052993 | ACTIVE MATERIAL - According to one embodiment, a negative electrode active material includes monoclinic system titanium dioxide having an average pore diameter falling within a range of 8 nm to 25 nm. A volume of pores having a diameter of 10 nm or less falls within a range of 10% to 30% of a total pore volume. | 03-03-2011 |
| 20110052994 | ACTIVE MATERIAL - A negative electrode active material according to one embodiment includes a titanium oxide compound having a crystal structure of monoclinic system titanium dioxide. The titanium oxide compound is modified by at least one kind of ion selected from the group consisting of an alkali metal cation, an alkali earth metal cation, a transition metal cation, a sulfide ion, a sulfuric acid ion and a chloride ion. | 03-03-2011 |
| 20110053004 | POSITIVE ELECTRODE - According to one embodiment, a positive electrode includes a positive electrode layer and a positive electrode current collector. The positive electrode layer includes a positive electrode active material including a first oxide represented by the following formula (α) and/or a second oxide represented by the following formula (β). The positive electrode layer has an intensity ratio falling within a range of 0.25 to 0.7. The ratio is represented by the following formula (1) in an X-ray diffraction pattern obtained by using CuKα radiation for a surface of the positive electrode layer. | 03-03-2011 |
| 20110104554 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY MODULE - A nonaqueous electrolyte secondary battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, the negative electrode comprising a negative electrode current collector and a negative electrode layer that is carried on the negative electrode current collector and contains negative electrode active material particles, and the negative electrode current collector comprising an aluminum foil having an average crystal grain size of 50 μm or less or an aluminum alloy foil having an average crystal grain size of 50 μm or less. | 05-05-2011 |
| 20110104560 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY MODULE - A nonaqueous electrolyte secondary battery, having an internal resistance of 10 mΩ or less as an alternating-current impedance value of 1 kHz, comprises a metal outer container, a nonaqueous electrolyte contained in the container, a positive electrode contained in the container, a negative electrode contained in the container, a separator interposed between the negative electrode and the positive electrode, a negative electrode lead having one end connected to the negative electrode, and a negative electrode terminal attached to the outer container so as to be connected electrically to the other end of the negative electrode lead, at least the surface of the negative electrode terminal which is connected to the negative electrode lead being formed of aluminum alloy with an aluminum purity of less than 99 wt. % containing at least one metal selected from the group consisting of Mg, Cr, Mn, Cu, Si, Fe and Ni. | 05-05-2011 |
