Abstract: A solid oxide fuel cell device is provided which prevents excessive rising of the temperature inside a fuel cell module during the startup process. In a startup process, control unit controls to cause a transition from a fuel gas reforming reaction process to a POX process, an ATR process, and a SR process, then to a generating process; when the cell stack temperature and reformer temperature in each process satisfy respectively set transition conditions, a transition to the next process takes place; if control unit determines a temperature rise assist state exists, it executes an excess temperature rise suppression control so that during at least the transition to the generating process, the reformer temperature does not exceed a predetermined value.

Abstract: To provide a solid oxide fuel cell device for preventing excess temperature rises inside a fuel cell module during the startup process. During a startup process, a control unit controls the supplied amounts of fuel gas, oxidant gas, and steam supplied to a reformer based on cell stack temperature and reformer temperature and causes transition to a generating process after transitioning to a POX process, an ATR process, and a SR process, and controls to cause a transition to the next process if in each process the cell stack temperature and reformer temperature meet transition conditions set for each; when control unit determines a temperature rise assist state, it controls to cause a transition to the generating process in a state of reduced fuel gas supply amounts compared to when it does not determine a temperature rise assist state.

Abstract: A battery module includes a plurality of batteries stacked together; a plate between adjacent ones of the batteries, the plate comprising a plate body; and a connecting tab extending from an edge of the plate body; and a first connection member extending along the batteries, wherein the first connection member has a coupling portion through which the connecting tab extends.

Abstract: A fuel cell plate having a first plate having an inlet aperture and a second plate disposed against the first forming a conduit. The conduit has a continuous seam formed between the first plate and the second plate to facilitate a transport of water to the outlet aperture. The plates can include various indentations and protuberances that form portions of the conduit. The fuel cell plate is well suited for use in a vehicle fuel cell stack for reducing water retention in a fuel cell without increasing the number of required components and fabrication cost of the fuel cell plate.

Abstract: A drawing section 35 for electric wires 17 is formed such that a bottom plate 37 and a side wall 39 of a wiring path 21 are extended to be projected from an insulating plate 23. A tongue piece 43 around which a tape is wound together with the wires 17, is formed on the drawing section 35. The tongue piece 43 is bent in a direction opposite to a rising direction of the side wall 39 of the drawing section 35 so that a projection dimension of the tongue piece 43 is reduced.

Abstract: Disclosed herein is a secondary battery pack including a battery cell, and a protection circuit module (PCM) assembly, configured in a specific structure, coupled to the top of the battery cell. The secondary battery pack includes a battery cell having an electrode assembly mounted in a battery case together with an electrolyte in a sealed state, a protection circuit module (PCM) assembly including a PCM and connection members, the PCM assembly being provided with a through-hole for connection, an insulative mounting member mounted at the top of the battery cell, an insulative cap coupled to an upper end of the battery cell. One of the connection members, i.e., the connection member (A), protrudes from one end of the PCM assembly such that a region of the connection member (A) electrically connected to the battery cell is exposed upward from the PCM assembly. The other connection member, i.e.

Abstract: Disclosed is a highly reliable prismatic secondary battery with a current interruption mechanism that is unlikely to be damaged even if the battery is subjected to shock due to vibration, falling, etc. A second insulating member that has a through-hole is disposed between an inversion plate and the first region of a positive electrode collector, and through the through-hole the first region of the positive electrode collector is electrically connected to the inversion plate. First to third projections to formed around the through-hole formed in the second insulating member fit respectively into first to third openings formed in the first region of the positive electrode collector, and the diameters of their apexes are widened, thus forming first to third fixing portions. Thereby, the second insulating member is robustly joined to the first region of the positive electrode collector.

Abstract: A cell assembly (20) is formed by arranging an electrode body and electrolyte in an external case (12) having a through hole (41). A laser is applied to an annular portion (formed by Al or Al-based alloy) surrounding an opening end (41A) of the through hole (41) toward outside the case so as to form a welded base (45). A sealing film (54) is welded to the surface of the welded base directly or via a base film (52) welded in advance, so as to temporarily seal the through hole (41). The cell assembly (20) in the temporarily sealed state is subjected to initial charge and then a hole is opened through the film (54) so as to form a gas discharge passage for communication between inside and outside of the case (12), thereby discharging an excessive gas from the case (12) outside.

Abstract: A cooling system for a battery pack including a tapered first conduit for receiving a fluid therein, a second conduit for receiving the fluid therein, and at least one secondary conduit for receiving the fluid therein, the first conduit in fluid communication with the second conduit through at least one fluid channel formed between a plurality of battery units, wherein the battery units are in heat transfer communication with the at least one fluid channel to transfer heat from the battery units to the fluid disposed in the cooling system.

Abstract: A rechargeable battery having improved safety against puncture and collapse includes an electrode assembly, a case, a first electrode terminal and a second electrode terminal, a cap plate, and a short circuit member. The electrode assembly includes a first electrode, a separator, and a second electrode. The case contains the electrode assembly. The first electrode terminal and a second electrode terminal are electrically connected to the first electrode and the second electrode, respectively. The short circuit member is between the electrode assembly and the case and short circuits the secondary battery when the secondary battery is punctured or collapsed.

Abstract: A fuel cell system includes an exhaust pipe through which anode purge gas is discharged into the atmosphere, a heat medium passage through which heat medium is flowed, a circulation pump for circulating the heat medium through the heat medium passage, a heat exchanger provided in the heat medium passage, a heat exchanger fan for generating airflow through the heat exchanger, and a guide by which the airflow is guided so as to diffuse the anode purge gas. The circulation pump and the heat exchanger fan are operated during anode purge in such a way that the heat exchanger fan is operated regardless of the heat medium temperature, and a flow rate of the heat medium flowing through the heat medium passage is zero or lower than a flow rate when output of a fuel cell is maximum.

Abstract: A current collector for a nonaqueous solvent secondary battery, which includes: a first metal layer; and a second metal layer stacked on a surface of the first metal layer, is composed so that a Young's modulus (E1), Vickers hardness (Hv1) and thickness (T1) of the first metal layer and a Young's modulus (E2), Vickers hardness (Hv2) and thickness (T2) of the second metal layer can satisfy the following Expression: (E1>E2 or Hv1>Hv2); and T1<T2.

Abstract: A fuel cell stack includes a heat exchange unit that performs heat exchange between a gas mixture containing source hydrogen and a circulating gas and cooling water used for controlling the temperature of the fuel cell stack. A system controller adjusts the temperature of the cooling water by controlling a temperature control unit on the basis of the temperature of source hydrogen flowing into a junction at which the source hydrogen and a circulating gas are mixed such that the temperature of a source/recirculated hydrogen mixture that is mixed at the junction and that is supplied to the fuel cell stack is kept within a managed temperature range.

Abstract: A fuel electrode catalyst for fuel cell excellent in CO poisoning resistance, an electrode/membrane assembly using the fuel electrode catalyst for fuel cell, and a fuel cell and a fuel cell system including the electrode/membrane assembly are provided. The fuel electrode catalyst for fuel cell comprises a platinum-ruthenium first alloy catalyst and a second alloy catalyst obtained by partially substituting ruthenium of the platinum-ruthenium first alloy catalyst by a metal lower dissolving potential than ruthenium. The electrode/membrane assembly 7 comprises three layers of a second alloy catalyst layer 3, a first alloy catalyst layer 4, and a ruthenium catalyst layer 5 arranged in this order from a polymer electrolytic membrane 1 side toward a gas diffusion layer 13 side.

Abstract: Pillared particles of silicon or silicon-comprising material and a method of fabricating the same are disclosed. These particles may be used to create both a composite anode structure with a polymer binder, a conductive additive and a metal foil current collector, and an electrode structure. The structure of the particles overcomes the problems of charge/discharge capacity loss.

Abstract: A method of coating carbon based electrodes and thick electrodes without mud-cracking is described. The electrode ink is deposited on a decal substrate, and transferred to a hot press before the electrode ink is completely dried. The partially dried electrode ink is hot pressed to the membrane to form a membrane electrode assembly. A membrane electrode assembly including a polymer membrane; and a pair of crack-free electrode layers on opposite sides of the polymer membrane, each of the pair of electrode layers having a thickness of at least about 50 ?m is also described.

Abstract: A method of driving a fuel cell system according to embodiments of the present invention includes supplying a first amount of oxidizer (which is less than a normal amount of oxidizer) to a fuel cell stack while continuously supplying fuel to the fuel cell stack, supplying a second amount of oxidizer (which is more than the normal amount) to the fuel cell stack, and supplying a third amount of oxidizer (which is the normal amount of oxidizer supplied in a normal driving state) to the fuel cell stack.

Abstract: Pillared particles of silicon or silicon-comprising material and a method of fabricating the same are disclosed. These particles may be used to create both a composite anode structure with a polymer binder, a conductive additive and a metal foil current collector, and an electrode structure. The structure of the particles overcomes the problems of charge/discharge capacity loss.

Abstract: A fuel cell assembly is provided that includes a fluid collection member disposed in a fluid inlet for a reactant, wherein the fluid collection member militates against liquid water on an inner surface of the fluid inlet from being received by a fuel cell of the fuel cell assembly.

Abstract: Disclosed herein is a battery module assembly including a plurality of battery modules, each including a plurality of battery cells or unit modules mounted in a module case in a state in which the battery cells or the unit modules are connected in series to each other, wherein the battery modules are arranged adjacent to each other in the lateral direction in a state in which the battery modules are electrically connected to each other, and a cooling member including a coolant conduit to allow a liquid coolant to flow therealong is mounted at the outside of each of the battery modules.