Abstract: The present invention is intended to provide a method of producing a sealing structure of a bipolar battery capable of improving the sealing capability by means of solidifying the joint between a resin collector comprising a thermosetting resin before the setting reaction and a sealing layer, a method of producing the bipolar battery, and the sealing structure of the bipolar battery and the bipolar battery. The method of producing the sealing structure of the bipolar battery comprises s step of producing the sealing assembly 80 by joining the first sealing layer 81 consisting of thermosetting resin before the thermosetting reaction with the second sealing layer 82 consisting of the thermoplastic resin, and a step of producing the collector assembly 90 formed by sealing the contact area of the sealing assembly and the resin collector 60 by joining the sealing assembly with the thermosetting resin after the thermosetting reaction.

Abstract: This document discusses, among other things, an insulative member that is configured around a cathode, and methods and assemblies incorporation the insulative member. In an example, the insulative members protect the edge of the cathode material from damage, prevents the migration of cathode material into contact with an anode, or prevents a metal substrate in the cathode from shorting against an adjacent anode.

Abstract: It is an object of the invention to improve the accuracy of estimating a moisture content and suppress an effect of remaining water at the startup of the fuel cell system. A fuel cell system includes: a fuel cell including a cell laminate; an estimating unit for estimating a residual water content distribution in the reactant gas flow channel and a moisture content distribution in the electrolyte membrane in a cell plane of each single cell while taking into consideration water transfer that occurs between the anode electrode and the cathode electrode via the electrolyte membrane; and an operation control unit for, based on an estimation result from the estimating unit, setting a scavenging time used in a scavenging process for the fuel cell after the fuel cell system is shut down.

Abstract: An exemplary flow field plate for use in a fuel cell includes a plurality of inlet flow channels. A plurality of outlet flow channels are also included. The flow channels are arranged such that at least two of the inlet flow channels are immediately adjacent each other on a first side of the two of the inlet flow channels. At least one of the outlet flow channels is immediately adjacent each of the two inlet flow channels on a second, opposite side of each of the two inlet flow channels.

Abstract: The present disclosure is directed to systems and methods for maintaining hydrogen-selective membranes during periods of inactivity. These systems and methods may include heating and maintaining at least the hydrogen-selective membrane of a hydrogen-producing fuel processing system in a thermally buffered state and/or controlling the chemical composition of the gas streams that may come into contact with the hydrogen-selective membrane. Controlling the chemical composition of the gas streams that may come into contact with the hydrogen-selective membrane may include maintaining a positive pressure of an inert, blanket, reducing, and/or non-oxidizing gas within the membrane separation assembly and/or periodically supplying a reducing gas stream to the membrane separation assembly.

Abstract: The present disclosure describes a rechargeable zinc ion battery, in which anodic zinc will be electrochemically dissolved as Zn2+ ions, diffuses to the cathodic electrode/electrolyte interface through the electrolyte, and zinc ions are subsequently intercalated into manganese dioxide during discharging. In charging, above-mentioned process will be reversed. The rechargeable zinc ion battery comprises a cathode formed from a compressed mixture of alpha manganese dioxide particles, electrically conductive particles and one or more binder(s); a zinc anode separated from cathode; an aqueous electrolyte contains zinc ions in which the pH value may be controlled between 4 and 7.

Abstract: The present invention is directed to a solid oxide fuel cell system with a load following function. The system sets a command power value, based on the amount of load, and instructs an inverter to achieve a permitted power value corresponding to the command power value, which is a permitted amount of power to be extracted from the fuel cell system. The system also changes an amount of change per unit time in the next inverter permitted power value.

Abstract: A rechargeable battery includes an electrode assembly in a battery case, the electrode assembly including a positive electrode, a negative electrode, and a separator, a cap plate connected to the battery case, the cap plate including a short member configured to deform and electrically connect the positive and negative electrodes, and a current collecting portion including at least one fuse, the at least one fuse being electrically connected to one of the negative and positive electrodes of the electrode assembly.

Abstract: A stable, high output is obtained with an anion exchange membrane-type fuel cell that generates electricity when air is supplied. An operating method for an anion exchange membrane-type fuel cell includes an anion exchange membrane electrode assembly for which an anode is joined to one surface of a anion exchange membrane and a cathode is joined to the other surface, and air is supplied to the cathode, wherein air with a reduced carbon dioxide concentration in the atmosphere is supplied to the cathode by a low carbon dioxide air supply system that supplies air with the reduced carbon dioxide concentration to the cathode.

Abstract: The present invention provides a positive electrode active material for a lithium ion battery having good battery performance can be provided. The positive electrode active material for a lithium ion battery is represented by; Compositional formula:LixNi1?yMyO2+? wherein M is one or more selected from Sc, Ti, V, Cr, Mn, Fe, Co, Cu, Zn, Ga, Ge, Al, Bi, Sn, Mg, Ca, B, and Zr, 0.9?x?1.1, 0<y?0.7, and 0.05???0.2, and contains primary particles and has a tap density of 1.3 to 2.6 g/cm3. The average particle size of the primary particles is 0.3 to 3.0 ?m and the specific surface area is 0.3 to 2.3 m2/g.

Abstract: A battery connection plate has a plurality of bus bars provided on a base plate section and is to be attached to a battery assembly containing a stacked plurality of batteries so that the bus bars are connected to terminals on the batteries. The base plate section has a wiring member attachment section to which a plurality of signal output wires connected to the bus bars can be wired, and window sections through which bosses can be inserted are formed on wiring paths of the signal output wires at the wiring member attachment section. The signal output wires are wired so as to bypass or wind around the bosses inserted into the window sections, and then the bosses are pulled out from the window sections, and thereby surplus length sections are formed on the signal output wires.

Abstract: An apparatus for heating a fuel cell assembly is disclosed, wherein a means for heating is disposed in a manifold of the fuel cell assembly and the means for heating causes the manifold to be heated to militate against fluid condensation and ice formation in the fuel cell assembly.

Abstract: According to one embodiment, there is provided an active material including a titanium oxide compound having a monoclinic titanium dioxide crystal structure and satisfying the equation (I). S1/(S2+S3)?1.9??(I). In the above equation, S1 is the peak area of a peak existing in a wavelength range from 1430 cm?1 to 1460 cm?1, S2 is the peak area of a peak existing in a wavelength range from 1470 cm?1 to 1500 cm?1, and S3 is the peak area of a peak existing in a wavelength range from 1520 cm?1 to 1560 cm?1, in the infrared diffusion reflective spectrum of the active material after pyridine is absorbed and then released.

Abstract: The main object of the present invention is to provide a method for producing an all solid lithium battery, capable of easily performing dew point control in a battery assembly step. The present invention solves the above-mentioned problems by providing a method for producing an all solid lithium battery, comprising the steps of: preparing a material composition by adding Li2S, P2S5, and P2O5 so as to satisfy a relation of (Li2S)/(P2S5+P2O5)<3 on a molar basis, synthesizing a sulfide solid electrolyte from the above-mentioned material composition by a vitrification means, and assembling an all solid lithium battery in an atmosphere having a dew-point temperature of ?60° C. or more while using the above-mentioned sulfide solid electrolyte.

Abstract: A secondary battery that includes a cylindrical can, an electrode assembly arranged in a jelly-role configuration within the cylindrical can and having a core extending about an axis thereof and a hollow center pin arranged within the core of the electrode assembly and having an inner diameter and an outer diameter, the outer diameter forming ones of a pair of radial lengths diametrically opposite from each other, each of said pair of radial lengths extending from the outer diameter of the center pin to an external surface of the core, wherein the sum of the pair of radial lengths is in the range of 5% to 54% of the inner diameter of the center pin.

Abstract: Contemplated electrochemical devices and methods include an electrolyte flow path in which substantially all of the electrolyte has laminar flow. A segmented electrode contacts the electrolyte, and each of the segments in the segmented electrode is preferably coupled to a control device to provide control over the flow of current to and/or from the electrolyte. Thus, it should be appreciated that the redox state of the electrolyte can be changed in a single-pass through the flow path, which effectively eliminates problems associated with mass transport phenomena and reduced current efficiency.

Abstract: A fuel cell system of the present invention includes a fixing unit that fixes or releases hydrazine; a releasing liquid supplying unit that supplies a water-based releasing liquid for releasing hydrazine fixed in the fixing unit to the fixing unit; a fuel cell to which hydrazine released in the fixing unit is supplied as fuel; a sensing unit for detecting an amount of hydrazine supplied to the fuel cell; and a detection unit that detects an amount of hydrazine fixed in the fixing unit based on a predetermined theoretical hydrazine supply amount to the fuel cell and a hydrazine supply amount detected by the sensing unit.

Abstract: A method of charging and discharging a lithium secondary battery in which a negative electrode comprises an active material including silicon provided on a current collector which is a metal which does not form an alloy with lithium. The method is characterized in that the lithium secondary battery is charged and discharged within a range of state of charge (SOC) at which no peak corresponding to a compound of lithium and silicon is observed in an X-ray diffraction pattern during charging using CuK?-radiation as the X-ray source.

Abstract: A fuel cell and a fuel cell stack thereof includes separators, each of which includes a sandwiching section for sandwiching an electrolyte electrode assembly, a bridge and a reactant gas supply section, wherein the sandwiching section has a fuel gas channel and an oxygen-containing gas channel, the bridge has a fuel gas supply channel for supplying the fuel gas to the fuel gas channel and an oxygen-containing gas supply channel for supplying the oxygen-containing gas to the oxygen-containing gas channel, and a fuel gas supply passage for supplying the fuel gas to the fuel gas supply channel and an oxygen-containing gas supply passage for supplying the oxygen-containing gas to the oxygen-containing gas supply channel extend through the reactant gas supply section in the stacking direction.

Abstract: A pouch-type lithium secondary battery including a battery unit having a positive electrode plate, a negative electrode plate, and a separator between the positive and negative electrode plates; electrode tabs extending from each of the positive and negative electrode plates of the battery unit, respectively; a case having a space to accommodate the battery unit; a sealing surface along the periphery of the space; and a protection circuit board electrically connected to the electrode tabs, wherein portions of each of the electrode tabs extend outside the case, and are bent in an upright position with respect to a plane of the sealing surface.