Abstract: An assembled battery (10) according to the present invention is constructed by connecting a plurality of chargeable and dischargeable cells (12) in series, this assembled battery (10) including a plurality of cells (12), each cell (12) including a flat-shaped electrode body (80) which has a positive electrode and a negative electrode and a container (14) which houses the electrode body (80) and an electrolyte, wherein the plurality of cells (12) are constrained in a state where the cells (12) are aligned so that flat surfaces of the electrode bodies (80) oppose each other and a load is applied to the cells (12) in an array direction, and a spring constant of the electrode body (80) in the array direction in each of the constrained cells (12) is 10,000 kgf/mm or less.

Abstract: A fuel cell assembly includes a fuel cell stack including a plurality of fuel cells, an incoming oxidizing gas flow path configured to deliver an oxidizing gas to the plurality of fuel cells, and a chromium-getter material located in the incoming oxidizing flow path. A fuel cell includes an electrolyte, a cathode electrode on a first side of the electrolyte, an anode electrode on a second side of the electrolyte, and a chromium-getter material on the cathode electrode.

Abstract: A battery module for a battery system includes two terminals, via which the battery module can be electrically connected to the battery system. Furthermore, the battery module has a battery string, which connects the two terminals to one another and has at least one battery cell connected in series and/or in parallel with the battery string. The battery module comprises a battery module circuit, which is configured, upon receiving an alarm signal, to bridge the battery module via the terminals thereof. The at least one battery cell is connected to a monitoring circuit associated with the battery cell. The monitoring circuit is connected to an alarm line via an electrical connection. The alarm line is connected to an input of the battery module circuit.

Abstract: Stabilized lithium powder according to an embodiment of this disclosure includes lithium particles. Each lithium particle includes an inorganic compound on a surface thereof, the inorganic compound contains lithium hydroxide, and the lithium hydroxide is contained by 2.0 wt% or less relative to the entire stabilized lithium powder.

Abstract: A sealed battery including a bottomed cylindrical outer can having an opening, the opening and a sealing body being crimp-sealed with an insulating gasket interposed therebetween, is disclosed. The sealing body includes a first plate-shaped member and a second plate-shaped member bonded to a surface of the first plate-shaped member, the surface facing the outside of the battery. At least the first plate-shaped member is crimp-sealed at an outer periphery thereof, and the crimp-sealed plate-shaped member has a thin portion on at least one surface thereof, the thin portion serving as a starting point of deformation of the sealing body when a battery internal pressure increases. When the battery internal pressure increases, the sealing body is deformed so that a gap is formed between the insulating gasket and the sealing body and gas in the outer can is vented to the outside of the outer can.

Abstract: A method for activating a fuel cell stack without using an electric load includes chemically adsorbing hydrogen into a catalyst of a cathode. Oxygen remaining in the stack is removed to seal and store the fuel cell stack while maintaining a negative pressure in the fuel cell stack. The method for activating a fuel cell stack does not require an electric load device, and therefore does not increase the number of activation equipment, thereby preventing the total production speed of the fuel cell stack from reducing in response to the stack activation.

Abstract: A battery includes an electrode body having a positive electrode and a negative electrode and also includes an exterior case for receiving the electrode body. An insulation film for isolating the exterior case and the electrode body from each other is placed between an inner wall surface of the exterior case and the electrode body. The insulation film has a bag-like shape in which the electrode body is inserted. The bag-like insulation film has a gap filling section on its surface facing a side surface of the electrode body, and the gap filling section closes a gap between the electrode body and the inner wall surface of the exterior case.

Abstract: An exemplary fuel cell component includes a plate comprising an electrically conductive material. An electrical connector includes a first portion embedded in the plate. A second portion of the electrical connector extends from the plate. The second portion is configured to make an electrically conductive connection with another device.

Abstract: A main object of the present invention is to provide a sulfide solid electrolyte material having favorable ion conductivity and low reduction potential. The present invention solves the above-mentioned problem by providing a sulfide solid electrolyte material including an M1 element (such as a Li element), an M2 element (such as a Ge element, a Si element and a P element) and a S element, wherein the material has a peak at a position of 2?=29.58°±0.50° in X-ray diffraction measurement using a CuK? line; and when a diffraction intensity at the peak of 2?=29.58°±0.50° is regarded as IA and a diffraction intensity at a peak of 2?=27.33°±0.50° is regarded as IB, a value of IB/IA is less than 0.50, and M2 contains at least P and Si.

Abstract: A secondary battery 1 includes a conductive member 130 that is provided in the secondary battery 1, and a current interrupt device 105 that is provided in the secondary battery 1 and has a reversal plate 120 that is welded to the conductive member 130. The conductive member 130 and the reversal plate 120 have thicknesses of T1 and T2, respectively, in the part in which the conductive member 130 and the reversal plate 120 are opposed to and in contact with each other, and the thicknesses T1 and T2 satisfy the relationship T1/T2<1.5.

Abstract: An electrolyte for a lithium secondary battery and a lithium secondary battery including the same are provided. The electrolyte includes a non-aqueous organic solvent, lithium salt, and an additive that is either a dicarboxylic acid anhydride and a halogenated ethylene carbonate or a diglycolic acid anhydride and a halogenated ethylene carbonate.

Abstract: The object of the present invention is to balance: the suppression of deterioration of a fuel cell and degradation of its durability and the optimization of the output control of the fuel cell. The present invention provides an output control apparatus for a fuel cell, being capable of switching a control mode between a power control mode in which an output power of a fuel cell connected to a load is controlled so as to be at a target power and a voltage control mode in which an output voltage of the fuel cell is controlled so as to be at a target voltage, wherein a control in the voltage control mode is performed when the output voltage of the fuel cell decreases below a predetermined low voltage threshold value.

Abstract: An air secondary battery has a positive electrode to which an oxygen-containing gas is supplied, a negative electrode containing a metal active material, and an electrolytic solution through which a metal ion generated from the metal active material is transported. The positive electrode contains a composite containing a matrix and a zeolite disposed in the matrix. The matrix is in the form of a porous body which the electrolytic solution permeates. In the matrix, the zeolite has an oxygen-containing gas passage through which only the oxygen-containing gas can flow.

Abstract: A lithium ion secondary battery includes a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein the positive electrode contains, as a positive electrode active material, a lithium-containing transition metal compound that belongs to space group Fd3-m and that contains lithium and transition metal M (M represents Mo, or Mo and at least one selected from the group consisting of Mn, Co, Ni, W, and V), a molar ratio of the lithium to the transition metal M is 2.7 or more and 3.3 or less, and a ratio of a mass of the lithium-containing transition metal compound to a total mass of the positive electrode active material in the positive electrode is 0.8 or more.

Abstract: A nonaqueous electrolyte secondary battery comprising an anode (3), a cathode (2) and a nonaqueous electrolyte. The anode includes composite particles having a carbon material included in a metallic material. As the metallic material, a metal capable of electrochemically reacting with lithium in a nonaqueous electrolyte is included.

Abstract: The invention relates to a method of storing, transporting and supplying electrochemical energy, with storage and supply being physically separated.

Abstract: A separator includes a monolayer-type polyolefin-based micro-porous film having a porosity of 40 to 60%, an average pore diameter of 60 nm or less, and an air permeability of 350 s/100 mL or less; and a porous coating layer formed on at least one surface of the micro-porous film and made of a mixture of a plurality of inorganic particles and a binder polymer. An electrochemical device having the above separator has excellent thermal stability and allows a high power while minimizing the occurrence of leak current.

Abstract: An system includes a first battery having a first desired operating temperature range between a first lower threshold temperature and a first upper threshold temperature and a second battery having a second desired operating temperature range between a second lower threshold temperature and a second upper threshold temperature. The system further includes a temperature control system coupled to the first and second batteries and configured to convey heat energy from the first battery to the second battery when the temperature of the second battery is less than the second lower threshold temperature to increase the temperature of the second battery toward the second desired operating temperature range and to convey heat energy away from the second battery when the temperature of the second battery is greater than the second upper threshold temperature to decrease the temperature of the second battery toward the second desired operating temperature range.

Abstract: The present disclosure relates battery with an integrated power management system and scalable cutoff component, the battery system including a battery housing with first and second voltage output terminals, a plurality of rechargeable battery cells within the battery housing and having first and second voltage terminals; a power management system for generating an external control signal and an internal control signal based upon monitored operating parameters of the plurality of rechargeable battery cells, said external control signal for controlling an external power source and/or an external load, said power management system forming an integral part of the battery system; and a cutoff switch circuit within the battery housing and for making and breaking a conductive path between the first voltage terminal of the plurality of battery cells and the first voltage output terminal of the battery housing in response the internal control signal from the battery management system.

Abstract: Provided is a lithium air battery, and more particular, a lithium air battery including a buffer layer consisting of a conductive ion-exchange resin and a mesoporous carbon formed between an electrolyte and a catalyst layer configuring a cathode to prevent a contact between the catalyst layer and a large amount of electrolyte in the lithium air battery, thereby reducing occurrence of overvoltage at the time of charging and discharging the battery. At the same time, the lithium air battery of the present invention may suppress evaporation of the electrolyte solution to improve durability, thereby preventing deterioration in performance of the battery, and extending a lifespan.