Abstract: The invention relates to a laminar textile material for covering a pasty active mass on a battery electrode. The invention further relates to a battery electrode having such a material, to a battery, and to a method for producing battery electrodes. Potential improvements of lead batteries are disclosed that are more practical than previously known solutions, and that stabilize the pasty active mass on the battery electrodes. A laminar textile material is disclosed to this end, comprising glass fibers and fibers made of a thermoplastic, e.g. polyester.

Abstract: Provided is a catalyst that can exhibit high activity. The catalyst is an electrode catalyst having catalytic metals supported on a catalyst support, in which the catalytic metals include platinum and a metal component other than platinum; the electrode catalyst has mesopores having a mode radius of pore distribution of mesopores having a radius of 1 nm or more, of 1 nm or more and less than 2.5 nm; alloy microparticles of platinum and the metal component other than platinum are supported inside the mesopores; and a molar content ratio of platinum with respect to the metal component other than platinum in the alloy microparticles supported inside the mesopores is 1.0 to 10.0.

Abstract: Robust separator, which has on a substrate and in the intermediate spaces of the substrate, which comprises fibres of an electrically nonconducting material, an electrically nonconductive coating of oxide particles which are adhesively bonded to one another and to the substrate by an inorganic adhesive and comprise at least one oxide, selected from Al2O3, ZrO2 and SiO2, wherein polymer particles are also present in the ceramic coating in addition to the oxide particles of Al2O3, ZrO2 and/or SiO2. These separators are particularly easy to handle, since they are mechanically very stable.

Abstract: Provided is a multivalent metal-ion battery comprising an anode, a cathode, a porous separator electronically separating the anode and the cathode, and an electrolyte in ionic contact with the anode and the cathode to support reversible deposition and dissolution of a multivalent metal, selected from Ni, Zn, Be, Mg, Ca, Ba, La, Ti, Ta, Zr, Nb, Mn, V, Co, Fe, Cd, Cr, Ga, In, or a combination thereof, at the anode, wherein the anode contains the multivalent metal or its alloy as an anode active material and the cathode comprises a cathode layer of an exfoliated graphite or carbon material recompressed to form an active layer that is oriented in such a manner that the active layer has a graphite edge plane in direct contact with the electrolyte and facing or contacting the separator.

Abstract: Provided is a fuel cell stack including a plurality of stacked cells each having separators, in which the corrosion (dissolution) of the base material of each separator used for the end cell, which includes one or more cells located at the positive-side end of the fuel cell stack, can be prevented at low cost and without the productivity decreased. In the fuel cell stack including a plurality of stacked cells each having separators, the base material of each of the separators used for the end cell located at the positive-side end of the fuel cell stack and the base material of each of the separators used for the other cells are different metallic materials, and the base material (e.g., Ti) of each of the separators used for the end cell has higher corrosion resistance than the base material (e.g., SUS) of each of the separators used for the other cells.

Abstract: A conductor module includes a wiring member, a plurality of bus bars, and a plurality of locking pieces. The wiring member is formed in a film shape with flexibility, and a plurality of wirings and through-holes are formed therein. The bus bar is electrically connected to one of two electrode terminals. The two through-holes are formed in a first opposing region opposing one end face between both end faces of the bus bar opposing each other in a width direction of the bus bar with an electrical connection portion where the bus bar and the wiring are electrically connected interposed therebetween when viewed from the width direction. The locking piece is formed integrally with the bus bar, is arranged in the through-hole, has a distal end positioned radially outward of the through-hole when viewed from an axial direction of the through-hole, and fixes the bus bar to the wiring member.

Abstract: An example fuel cell comprises: a gas-liquid separator separately storing gas and water; a discharge valve discharging the gas and the water; a control unit controlling the operation of the discharge valve; and a detector detecting a water level of the gas-liquid separator. The control unit is configured to determine an abnormality of the discharge valve based on a change in water level caused by opening and closing of the discharge valve if the water level detected by the detector is equal to or higher than a first threshold.

Abstract: The present invention relates to an electrolyte for a lithium secondary battery and a lithium secondary battery including the same, and particularly, to an electrolyte for a lithium secondary battery, which includes a lithium salt, an organic solvent, and an oligomer represented by Formula 1 described in the present specification, and a lithium secondary battery in which overall performance is improved by suppressing reactivity with lithium metal by including the electrolyte.

Abstract: Provided is a fuel cell, the output voltage of which is improved by making a membrane moist state uniform. An anode-side gas diffusion layer and a cathode-side gas diffusion layer are joined to a membrane electrode assembly, and a separator is joined to the anode-side gas diffusion layer. The separator has a recess portion and a protrusion portion formed to constitute a gas flow path and a refrigerant flow path, respectively. The cross-sectional area of the recess portion is made relatively small at the downstream side in comparison with that at the upstream side, and the cross-sectional area of the protrusion portion is made relatively large at the downstream side in comparison with that at the upstream side, thereby improving the moist state.

Abstract: Disclosed is a battery module, which includes battery cells having electrode leads and a connection member for connecting the battery cells, wherein the battery cells are classified into a first battery group having battery cells disposed side by side in a first direction and a second battery group having battery cells disposed side by side in the first direction so that electrode leads of the battery cells thereof face electrode leads of the battery cells of the first battery group, wherein the connection member is located between the first and second battery groups, wherein the electrode leads of the battery cells are connected to the connection member, respectively, wherein an electrode lead of any one battery cell of the first battery group is in contact with any one of an upper surface and a lower surface of the connection member, and wherein an electrode lead of a facing battery cell of the second battery group, which is located to face the any one battery cell, is in contact with the other one of the u

Abstract: A fluid flow plate for an electrochemical fuel cell assembly comprises a first plurality of fluid flow channels extending across an area of the flow plate to define a flow field of the fluid flow plate. An array of first fluid transfer points is disposed along an edge of the flow field for communicating fluid into or out of the fluid flow channels. A gallery has a first peripheral edge portion bounded by the array of first fluid transfer points and at least two second peripheral edge portions each bounded by an array of second fluid transfer points disposed along fluid access edges of the fluid flow plate. The at least two second peripheral edge portions are disposed at oblique angles to the first peripheral edge portion such that the total length of the any of second fluid transfer points is at least as long as, and preferably longer than, the length of the array of first fluid transfer points.

Abstract: A fuel cell system includes a fuel cell having an anode and a cathode, a water recovery system configured to recycle water from exhaust from the anode, a heat exchanger configured to transfer heat between exhaust from the cathode and water from the water recovery system, and a saturator having an upper section and a lower section separated by a divider defining an opening configured to allow fuel and steam to pass from the lower section to the upper section. The lower section receives fuel from a fuel source and water from the water recovery unit and the upper section receives fuel from the lower section and water from the heat exchanger.

Abstract: The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same, and particularly, to a non-aqueous electrolyte solution for a lithium secondary battery which includes an ionizable lithium salt, an organic solvent, and an additive, wherein the additive is a mixed additive which includes lithium difluorophosphate, tertiary alkylbenzene, and tetra-vinyl silane in a weight ratio of 1:1 to 4:0.05 to 0.5, and the additive is included in an amount of 2.5 wt % to 4.5 wt % based on a total weight of the non-aqueous electrolyte solution for a lithium secondary battery, and a lithium secondary battery including the same.

Abstract: A composite electrode active material includes: a core portion including a silicon-based alloy; and a shell portion disposed on the core portion and including a coating layer, wherein the coating layer includes an amorphous carbon material and a lithium titanium oxide. A lithium battery including the composite electrode active material and a method of manufacturing the composite electrode active material are also provided.

Abstract: The present disclosure relates to a method for making a lithium-ion battery anode. The method comprises the steps of scratching off a carbon nanotube array to obtain a plurality of carbon nanotubes, adding the plurality of carbon nanotubes into a solvent, and ultrasonically dispersing the solvent to make the plurality of carbon nanotubes form a three-dimensional network-like structure; adding a titanium salt into the solvent, wherein the titanium salt hydrolyzes to form a plurality of titanium dioxide particles, and the plurality of titanium dioxide particles are adsorbed on surfaces of the plurality of carbon nanotubes; and separating the nanotube three-dimensional network structure from the solvent to form a precursor, and drying the precursor to form a titanium dioxide-carbon nanotube composite film.

Abstract: Provided is a nonaqueous electrolyte secondary battery in which Li3PO4 is added to a positive electrode active material layer and the increase of battery temperature when the voltage rises is suppressed. The nonaqueous electrolyte secondary battery disclosed herein includes a positive electrode, a negative electrode, and a nonaqueous electrolytic solution. The positive electrode has a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material, Li3PO4, and polyvinyl alcohol having a degree of saponification of 86% by mole or more. The content of Li3PO4 in the positive electrode active material layer is 1% by mass or more and 15% by mass or less. The content of the polyvinyl alcohol having a degree of saponification of 86% by mole or more in the positive electrode active material layer is 0.05% by mass or more and 0.2% by mass or less.

Abstract: A secondary battery includes a cathode; an anode (1) including a plurality of carbon particles and a plurality of non-carbon particles, (2) the carbon particles containing graphite, (3) the non-carbon particles containing a material including, as a constituent element, one or more of silicon (Si), tin (Sn), and germanium (Ge), and (4) a distribution of a first-order differential value of an integrated value Q of a relative particle amount with respect to a particle diameter D of the plurality of carbon particles having one or more discontinuities, where a horizontal axis and a vertical axis of the distribution indicate the particle diameter D (?m) and a first-order differential value dQ/dD, respectively; and an electrolyte.

Abstract: Described is a coated, (partly) lithiated graphite powder characterized in that it has been produced in a non-electrochemical process from metallic lithium and graphite in powder form and has been stabilized outside an electrochemical cell by application of a coating layer; and a galvanic cell comprising a cathode, a lithium-conductive electrolyte-separator system and an anode comprising a coated, (partly) lithiated graphite powder, where the (partial) lithiation and the coating of the graphite powder are performed non-electrochemically outside the galvanic cell (ex situ).

Abstract: The present disclosure provides a folding device for manufacturing an electrode assembly having a structure in which plate type unit cells are wound with a separator film, including: a mandrel configured to rotate and wind a web in which plate type unit cells are arranged on an upper surface of the separator film at predetermined intervals so that the unit cells are sequentially stacked with the separator film interposed therebetween; and a pair of rollers configured to horizontally bend a surplus winding end portion of the separator film, which is formed by arranging a first unit cell at a winding start portion of the web in a state of being spaced apart from a winding end portion of the separator film, in a direction covering an upper surface of the first unit cell, wherein the mandrel includes one or more grippers composed of one or more upper legs configured to fix an upper surface portion of the first unit cell and one or more lower legs configured to fix a lower surface portion of the separator film

Abstract: Each fuel cell apparatus among a plurality of fuel cell apparatuses is caused to transmit, as distinguishing information, at least one of a cumulative operating time and a rated power of the respective fuel cell apparatus to other fuel cell apparatuses. Each fuel cell apparatus is caused to receive distinguishing information transmitted by other fuel cell apparatuses. Each fuel cell is caused to select a fuel cell apparatus among the plurality of fuel cell apparatuses to be a master apparatus on the basis the distinguishing information of the respective fuel cell apparatus and the distinguishing information received from other fuel cell apparatuses.