Patent application number | Description | Published |
20080286620 | Electrochemical Energy Generating Apparatus and Method of Driving the Same - An electrochemical energy generating apparatus with which the crossover of a fuel can be suppressed and a method of driving the apparatus are disclosed. The electrochemical energy generating apparatus (e.g., a fuel cell system) | 11-20-2008 |
20090029212 | FUEL CELL SYSTEM AND ELECTRONIC DEVICE - A fuel cell system capable of suppressing influence of fuel crossover and achieving long-time power generation and an electronic device using it are provided. The fuel cell system includes a power generation section having an electrolytic solution between a fuel electrode and an oxygen electrode, a fuel supply section supplying a fuel to the fuel electrode, and a control section making the fuel supply section stop supplying the fuel to the fuel electrode and thereby performing electrolytic solution cleaning to remove a fuel contained in the electrolytic solution. | 01-29-2009 |
20090186258 | ION CONDUCTOR AND FUEL CELL - An ion conductor that has high ion conductivity, is hardly affected by environmental change, and thus can improve the safety is provided. As a first fluid F | 07-23-2009 |
20110045375 | FUEL CELL UNIT, FUEL CELL STACK, AND ELECTRONIC DEVICE - In a fuel cell unit, oxygen electrodes are disposed on both face sides of a fuel electrode. The fuel electrode has a diffusion layer and a catalyst layer on both faces of a current collector, and each of the oxygen electrodes has a diffusion layer and a catalyst layer on the faces opposed to the fuel electrode of the current collector. A fuel/electrolyte channel for passing a fluid containing a fuel and an electrolyte is provided between the fuel electrode and each of the oxygen electrodes. The fuel and the electrolyte are supplied to both faces of the one fuel electrode, so that a reaction occurs and power is obtained between the fuel electrode and each of the oxygen electrodes. | 02-24-2011 |
20110152443 | METHOD OF MANUFACTURING POLYMER MATERIAL - A method of manufacturing a polymer material which is allowed to manufacture β-phase PVDF easily and stably in a short time is provided. The method of manufacturing a polymer material includes a step of mixing an ionic liquid and a polymer compound including α-phase polyvinylidene difluoride to form a mixture, and then heating the mixture. | 06-23-2011 |
20110175576 | METHOD AND APPARATUS FOR CHARGING SECONDARY BATTERIES - A secondary-battery electrically charging method includes: measuring the present time point; setting an electrical-charging end time point at which an operation to electrically charge a secondary battery is to be terminated; computing an electrical-charging resumption time point on the basis of the electrical-charging end time point and the length of time it takes to complete the operation to electrically charge the secondary battery on the assumption that the operation is started from a state in which the amount of electric charge stored in the secondary battery has reached an electric-charge amount determined in advance; and carrying out the operation to electrically charge the secondary battery in a first electrical-charging mode in which the operation is stopped after the secondary battery is electrically charged to the electric-charge amount determined in advance and resumed when the present time point reaches the electrical-charging resumption time point. | 07-21-2011 |
20110181124 | BREAKER AND POWER MONITORING SYSTEM - A breaker is provided including a plurality of branch breakers. The plurality of branch breakers each include: a current measuring section configured to measure a current flowing through an internal power line; a radio communicating section configured to transmit a measured value of the current measuring section to an information processing device by radio; and a power supply section configured to supply power to the radio communicating section. | 07-28-2011 |
20110223496 | FUEL CELL STACK SYSTEM, CHANNEL STRUCTURE, FUEL CELL, ELECTRODE AND ELECTRONIC DEVICE - A fuel cell stack system is configured to uniformly supply a fuel or an electrolytic solution to each of fuel cell elements, and an electronic device using the fuel cell stack system are provided. An electrolytic solution channel allowing an electrolytic solution to flow therethrough is arranged between a fuel electrode and an oxygen electrode, and a fuel channel allowing a fuel to flow therethrough is arranged outside of the fuel electrode. The electrolytic solution channels and the fuel channels of all fuel cell elements are connected in series to one another. That is, the fuel or the electrolytic solution emitted from an outlet of the fuel channel or the electrolytic solution channel of one fuel cell element enters into an inlet of the fuel channel or the electrolytic solution channel of the next fuel cell element through a connection channel. In addition, either or both of the electrolytic solution channels and the fuel channels of some or all of the fuel cell elements may be connected in series to one another. | 09-15-2011 |
20110244366 | ION CONDUCTOR AND FUEL CELL - There is provided a fuel cell capable of ensuring high safety, and capable of obtaining favorable characteristics such as power density. As a first fluid containing an electrolyte, an ion conductor in which an organic compound which is solid at a room temperature and which has at least one of a sulfonic acid group and a phosphoinic acid group is dissolved in a solvent flows through an electrolyte path arranged between a fuel electrode and an oxygen electrode. Thereby, it is possible to suppress resistance between the fuel electrode and the oxygen electrode low. Also, in the case where the solvent is evaporated due to an environmental change, since that organic compound remains as solid, a surrounding member is unlikely to be corroded. | 10-06-2011 |
20120021280 | COMPOSITE ELECTRODE AND ELECTRONIC DEVICE INCLUDING THE SAME - A composite electrode includes a plate-shaped conductor; a plurality of auxiliary electrodes disposed such that ends of the plurality of auxiliary electrodes are connected to a surface of the plate-shaped conductor and the plurality of auxiliary electrodes extend from the surface of the plate-shaped conductor; and an active material layer formed between the plurality of auxiliary electrodes so as to be in contact with the plate-shaped conductor. When the height of the plurality of auxiliary electrodes is defined as h, the center-to-center spacing of auxiliary electrodes facing each other in the plurality of auxiliary electrodes or the spacing of auxiliary electrodes facing each other in the plurality of auxiliary electrodes is h or more and 2h or less. | 01-26-2012 |
20120062180 | POWER SUPPLY UNIT - A power supply unit includes: (A) a housing having a shape like a polygonal column; (B) a secondary battery cell contained in the housing; (C) charge/discharge control means contained in the housing and connected to the secondary battery cell; (D) at least one power input section disposed on the housing and connected to the charge/discharge control means; and (E) at least one power output section disposed on the housing and connected to the charge/discharge control means. | 03-15-2012 |
20120072042 | POWER SUPPLY DEVICE - A power supply device including: (a) a power supply unit group composed of a plurality of power supply units and connected with a power consuming appliance; and (b) a control device configured to control the power supply unit group, wherein the control device and each of the power supply units are connected to each other by a communicating circuit. | 03-22-2012 |
20120107651 | ASSEMBLED BATTERY AND POWER CONSUMPTION APPARATUS - An assembled battery includes a plurality of secondary battery cell series modules each having a plurality of secondary battery cells connected in series, wherein in each secondary battery cell series module, the secondary battery cells are connected in series by a first connection member, the secondary battery cell constituting the secondary battery cell series module and the secondary battery cell constituting the secondary battery cell series module adjacent to the above secondary battery cell series module are connected in parallel by a second connection member, the electrical resistance value of the second connection member is higher than the electrical resistance value of the first connection member, and the melting point of a material constituting the second connection member is lower than the melting point of a material constituting the first connection member. | 05-03-2012 |
20120120552 | ELECTROCHEMICAL CAPACITOR - An electrochemical capacitor capable of improving discharge characteristics is provided. A cathode and an anode are laminated with a separator in between. The cathode includes a cathode active material layer on one surface of a cathode current collector, and the anode includes an anode active material layer on one surface of an anode current collector. Both of the cathode active material layer and the anode active material layer include both of an ionic liquid and a polymer compound together with the active materials. Since the ionic liquid is retained by the polymer compound in the cathode and the anode, discharge capacity is less likely to be reduced. | 05-17-2012 |
20120237838 | LITHIUM AIR BATTERY - A lithium air battery capable of being used for a long time with little deterioration due to influence by moisture in the air in which oxygen supply to a porous cathode is not inhibited by an air electrode current collector is provided. The lithium air battery includes an oxygen permselective film that is less likely to transmit moisture vapor and that selectively transmits oxygen, an oxygen chamber that stores oxygen, an air electrode current collector made of a porous material, a diffusion layer that is arranged between the air electrode current collector and a porous cathode and is made of a conductive material, the porous cathode containing a conductive material and a catalyst material, a separator that is less likely to pass moisture vapor, a nonaqueous electrolyte, an anode that extracts lithium ions, and an anode current collector. The lithium air battery may have a water-repellent layer. | 09-20-2012 |
20130171481 | BATTERY PACK AND METHOD OF INSPECTING STORAGE STATE OF SECONDARY BATTERY IN BATTERY PACK - A battery pack is provided. The battery pack has a plurality of secondary batteries and an inspection circuit. When the plurality of secondary batteries are classified into a first secondary battery group configured of secondary batteries selected from the plurality of secondary batteries and a second secondary battery group configured of remaining secondary batteries not belonging to the first secondary battery group, the inspection circuit creates a first data string of the secondary batteries configuring the second secondary battery group, based on a predetermined arithmetic rule, from identification marks of the secondary batteries configuring the first secondary battery group, obtains a second data string by examining identification marks of the secondary batteries configuring the second secondary battery group, subsequently compares the first data string with the second data string, and stops a function of the battery pack when the first data string and the second data string do not match. | 07-04-2013 |
20130177783 | BATTERY PACK AND METHOD OF MONITORING REMOVAL OF SECONDARY BATTERY IN BATTERY PACK - A battery pack and a simple construction is provided. The battery pack includes a plurality of secondary batteries, a housing storing the plurality of secondary batteries, and an inspection circuit stored in the housing. The housing includes a main body section and a closing member to close an opening for taking the plurality of secondary batteries in and out of the main body section, and includes a plurality of fixing members for fixing the closing member on the main body section, the plurality of fixing members being made of a conductive material. An attachment state of the fixing members with respect to the closing member and the main body section is monitored by the inspection circuit, and an attachment order of the fixing members with respect to the closing member and the main body section is memorized by the inspection circuit. | 07-11-2013 |
20130181721 | BATTERY PACK AND METHOD OF INSPECTING STORAGE STATE OF SECONDARY BATTERY IN BATTERY PACK - A battery pack and a method of inspecting a storage state of a secondary battery in the battery pack are provided. In the method of inspecting a storage state of a secondary battery in the battery pack, the battery pack includes (A) a plurality of secondary batteries and (B) a housing, the housing having a plurality of storage sections and containing the secondary batteries in the respective storage sections; a conductive member | 07-18-2013 |
20130200848 | BATTERY PACK, METHOD FOR CHARGING/DISCHARGING SAME, AND POWER CONSUMPTION DEVICE - Provided is a method for charging/discharging a battery pack having an auxiliary charging/discharging device and a battery assembly in which a plurality of secondary battery cell parallel modules, each of which includes a plurality of fasecondary battery cells connected in parallel, are connected in series, the method including, when there is no abnormality in the secondary battery cells during charging/discharging, connecting the auxiliary charging/discharging device in parallel to any of the secondary battery cell parallel modules, and when there is an abnormality in any of the secondary battery cells during charging/discharging, releasing connection to the secondary battery cell at which the abnormality has arisen in the secondary battery cell parallel module including the secondary battery cell at which the abnormality has arisen, and connecting the auxiliary charging/discharging device in parallel to the secondary battery cell parallel module including the secondary battery cell at which the abnormality has arisen. | 08-08-2013 |
20130234721 | SECONDARY BATTERY CELL, BATTERY PACK, AND ELECTRICITY CONSUMPTION DEVICE - There are provided a secondary battery cell, a battery pack, and an electric power consumption device having a configuration and structure capable of accurately and easily detecting the state of the secondary battery cell in the battery pack. | 09-12-2013 |
20130244062 | SECONDARY BATTERY CELL, BATTERY PACK, AND ELECTRIC POWER CONSUMPTION DEVICE - Provided is a secondary battery cell that can certainly prevent detachment of an integrated circuit from the secondary battery cell and attachment of the integrated circuit to another secondary battery cell, a battery pack including such secondary battery cells, and an electric power consumption device including such a battery pack. | 09-19-2013 |
20130314050 | CHARGE CONTROL DEVICE FOR SECONDARY BATTERY, CHARGE CONTROL METHOD FOR SECONDARY BATTERY, CHARGE STATE ESTIMATION DEVICE FOR SECONDARY BATTERY, CHARGE STATE ESTIMATION METHOD FOR SECONDARY BATTERY, DEGRADATION DEGREE ESTIMATION DEVICE FOR SECONDARY BATTERY, DEGRADATION DEGREE ESTIMATION METHOD FOR SECONDARY BATTERY, AND SECONDARY BATTERY DEVICE - A charge control device for a secondary battery controls a charge of the secondary battery including positive and negative electrodes. The device includes: a degradation degree detection and evaluation unit that detects and evaluates a degree of degradation of the secondary battery; and a charge control unit. The charge control unit controls a voltage application state to the electrode at a time of charge of the secondary battery based on an evaluation result of the degree of degradation of the second battery in the degradation degree detection and evaluation unit. | 11-28-2013 |
20140197684 | SECONDARY BATTERY CHARGING DEVICE, METHOD OF CHARGING IN SECONDARY BATTERY CHARGING DEVICE, PHOTOVOLTAIC GENERATOR, METHOD OF POWER GENERATION IN PHOTOVOLTAIC GENERATOR, PHOTOVOLTAIC-CHARGED SECONDARY BATTERY SYSTEM, ELECTRONIC DEVICE, AND ELECTRICAL VEHICLE - A battery charging device includes a battery pack including a plurality of battery cells connected in series, and a control unit. The control unit is configured to change a series connection of the battery cells in response to a variation in output voltage of a solar battery. | 07-17-2014 |
20140379188 | ELECTRIC STORAGE DEVICE, ELECTRONIC DEVICE, POWER SYSTEM, AND ELECTRIC VEHICLE - An electric storage device includes an electric storage unit that includes one or a plurality of electric storage elements, a measurement unit that measures voltage, a current, and a temperature of the electric storage element, and a calculation unit that calculates internal resistance of the electric storage element based on the voltage, the current, and the temperature measured by the measurement unit. When a determination unit detects discontinuity of temporal variation of the calculated internal resistance, it is determined that the electric storage element has been exchanged. Since the electric storage element such as a lithium ion secondary battery has such a characteristic that the internal resistance increases as the number of use is increased, the exchange of batteries can be detected from the change in the internal resistance. | 12-25-2014 |