Abstract: A pulsating operation method and system for a fuel cell system that smoothly discharges water remaining in a fuel electrode of a fuel cell and, simultaneously, improves fuel utilization. The method includes performing a pulsation control that controls the magnitude and period of a pulsating operating pressure for hydrogen supplied to an anode of a fuel cell to smoothly discharge the water remaining in the anode, maximize fuel utilization of the anode, and improve operational stability of the fuel cell system.

Abstract: The invention relates to a lithium/sulphur accumulator including at least one unit cell including: a negative electrode; an electrode separator comprising a material soaked with electrolyte, said material comprising at least one nonwoven and having a porosity in the range from 50 to 96%, and a thickness in the range from 50 to 200 micrometers; a positive electrode; and wherein said electrolyte is introduced by an excess quantity, and comprises at least one lithium salt, and the excess quantity of electrolyte amounting to from 20 to 200% of the quantity of electrolyte ensuring the wetting of the electrodes and of the separator.

Abstract: A solid oxide fuel cell system includes: a fuel cell stack having a fuel electrode and an oxidant electrode; and a combustion unit provided to start the system; a control unit configured to perform control in such a way as to fill a combustion gas discharged from the combustion unit into the fuel electrode of the fuel cell stack at a time of stopping the system, the combustion gas containing an inert gas as a component.

Abstract: A cathode material for a lithium ion secondary battery is a composite grain including an oxide and a carbon material. The oxide includes, as constituent elements, Li, Si and at least one of Fe and Mn. According to a measurement by an X-ray diffraction method using Cu-K? as an X-ray source, a diffraction peak exists within a range of 2?=33±2° and a half width of the diffraction peak is 0.55° or more. A size of the grain is 1 ?m or more and 20 ?m or less.

Abstract: A storage battery module is provided in which, even in a case where the storage battery module is formed by integrally assembling a plurality of secondary batteries, the secondary batteries can be compactly assembled while non-uniformity in battery temperature distribution is prevented, and wiring connection work is facilitated. Using a secondary battery RB (RB1 to RB4) including a battery can 10 that houses an electrode group 1 and rectanglar shape two secondary batteries are juxtaposed in parallel, they are spaced by a predetermined distance from each other, and with respect to these juxtaposed secondary batteries as one unit, in a direction in which units of these are stacked, these units are shifted in orientation by 90° from each other, and thus a storage battery module (M1 to M8) having a configuration in which a plurality of secondary batteries are stacked in parallel crosses is obtained.

Abstract: A volume Ve of an electrode group thereof is calculated by Ve=(Sp+Sn)×D/2, where Sp represents an electrode plate area of a positive electrode plate, Sn represents an electrode plate area of a negative electrode plate, D represents the internal dimension of a container in the direction in which the electrode plates of the electrode group are laminated. A ratio (Vp+Vn)/Ve is 0.27 to 0.32, where Vp+Vn is the sum volume of the total pore volume Vp of a positive active material and the total pore volume Vn of the negative active material contained in the electrode group, and Ve is the volume of the electrode group. A ratio Vp/Ve is 0.13 to 0.15, where Vp is the total pore volume of the positive active material and Ve is the volume of the electrode group.

Abstract: A method of making an anode includes the steps of providing fibers from a carbonaceous precursor, the carbon fibers having a glass transition temperature Tg. In one aspect the carbonaceous precursor is lignin. The carbonaceous fibers are placed into a layered fiber mat. The fiber mat is fused by heating the fiber mat in the presence of oxygen to above the Tg but no more than 20% above the Tg to fuse fibers together at fiber to fiber contact points and without melting the bulk fiber mat to create a fused fiber mat through oxidative stabilization. The fused fiber mat is carbonized by heating the fused fiber mat to at least 650° C. under an inert atmosphere to create a carbonized fused fiber mat. A battery anode formed from carbonaceous precursor fibers is also disclosed.

Abstract: This secondary battery negative electrode material constitutes an active material layer formed on a current collector layer of a secondary battery negative electrode and includes a Si particle and a coating material containing Ni and P, formed to cover a surface of the Si particle.

Abstract: In an aspect, a composite anode active material including a lithium titanium oxide; and phosphates, a method of preparing the composite anode active material, and a lithium battery including the composite anode active material is provided.

Abstract: Provided is a solid oxide fuel cell module that is small in size and is capable of stably generating power. A plurality of power generation units and are located such that a first fuel cell and an oxidant gas preheater connected to a second fuel cell adjacent to the first fuel cell are adjacent to each other. A solid oxide fuel cell module includes a partition member. The partition member partitions a combustion chamber into a region including the first fuel cell and a region including the second fuel cell as well as into the region including the first fuel cell and a region including the oxidant gas preheater connected to the second fuel cell.

Abstract: A high voltage battery for vehicles includes an electrode tab that is divided into a first part placed near a battery cell, and a second part placed near a terminal. A first part extension extends from the first part and is fixed to a lower pouch. A second part extension extends from the second part, comes into contact with the first part extension, has elasticity, and is fixed at an upper end thereof to an upper pouch. A hook part extends from the first part extension and holds the second part extension by grasping an edge of the second part extension.

Abstract: To provide a process for producing a cathode active material for a lithium ion secondary battery, a cathode for a lithium ion secondary battery, and a lithium ion secondary battery. A production process which comprises contacting a lithium-containing composite oxide containing Li element and a transition metal element with a composition (1) {an aqueous solution containing cation M having at least one metal element (m)} and a composition (2) {an aqueous solution containing anion N having at least one element (n) selected from the group consisting of S, P, F and B, forming a hardly soluble salt when reacted with the cation M}, wherein the total amount A (mL/100 g) of the composition (1) and the composition (2) contacted per 100 g of the lithium-containing composite oxide is in a ratio of 0.1<A/B<5 based on the oil absorption B (mL/100 g) of the lithium-containing composite oxide.

Abstract: A method is provided for detecting when a vehicle mounted battery pack is damaged from an impact with a piece of road debris or other obstacle. Positioned within the battery pack is a plurality of deformable cooling conduits located between the lower surface of the batteries within the battery pack and the lower battery pack enclosure panel. One or more sensors are incorporated into the cooling conduits which monitor coolant flow rate or pressure. When the cooling conduits deform, a change in coolant flow/pressure occurs that is detected by the sensors integrated into the conduit's coolant channels. A system controller, coupled to a sensor monitoring subsystem, may provide any of a variety of responses when cooling conduit deformation is detected.

Abstract: A system is provided for detecting when a vehicle mounted battery pack is damaged from an impact with a piece of road debris or other obstacle. The system utilizes a plurality of cooling conduits located between the lower surface of the batteries within the battery pack and the lower battery pack enclosure panel. The cooling conduits are configured to deform and absorb impact energy when an object strikes the lower battery pack enclosure panel. When the cooling conduits deform, a change in coolant flow/pressure occurs that is detectable by one or more sensors integrated into the conduit's coolant channels. A system controller, coupled to a sensor monitoring subsystem, may be configured to provide any of a variety of responses when cooling conduit deformation is detected.

Abstract: A separator having planar shape may comprise a second inner wall and a third inner wall formed inside of the separator and disposed between a first hole and a plurality of first inner walls. The second inner wall and the third inner walls may comprise a plurality of first grooves formed inside of the separator and a plurality of first concaves facing the plurality of first grooves inside of the separator. Each of the plurality of first grooves extends between the first hole and the plurality of first inner walls along a first direction. Each of the plurality of first concaves curves outward from inside of the separator and extends between one of the plurality of first grooves and other of the plurality of first grooves.

Abstract: A structure for attaching a service plug includes an insulating substrate that has openings facing electrodes of a pair of adjacent batteries among a plurality of batteries in a battery module, a pair of connection terminals that are respectively connected to electrodes of the pair of adjacent batteries through the insulating substrate by bolting with nuts, a pair of electric wires whose one ends are connected to the connection terminals respectively, and a connector that is connected to the other ends of the pair of electric wires, and detachably connected with the service plug. The insulating substrate has protrusions which are abutted against the connection terminals respectively, and regulate movement of the connection terminals which simultaneously rotate with rotation of the nuts respectively when being bolted with the nuts.

Abstract: Provided is a fuel cell having a long product life. In the fuel cell, an interlayer is arranged between a portion of an interconnector which is formed of Ag or an Ag alloy and a first electrode containing Ni. The interlayer is formed of an oxide containing Ni and Ti.

Abstract: A rechargeable battery includes an electrode assembly including first electrodes and second electrodes, a casing including a space in which the electrode assembly is embedded, a cap plate combined with the casing, and a first thin film insulating member fused with the casing and surrounding the casing.

Abstract: Provided is a non-aqueous electrolyte-based, high-power lithium secondary battery having a long service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging. The battery comprises a mixture of a lithium/manganese spinel oxide having a substitution of a manganese (Mn) site with a certain metal ion and a lithium/nickel/cobalt/manganese composite oxide, as a cathode active material.

Abstract: The invention is a hydrogen generator with a liquid reservoir, a reaction area, a byproduct containment area and a hydrogen containment area within a housing. A liquid from the liquid reservoir can react within the reaction area to produce hydrogen gas and byproducts, which flow to the byproduct containment area, and hydrogen gas passes into the hydrogen containment area and is released from the housing through a hydrogen outlet as needed. The liquid reservoir and the reaction area are each within a container made of a liquid impermeable material, the byproduct containment area is within a flexible container made of a hydrogen permeable, liquid impermeable material, and the hydrogen containment area is within a flexible container made of a hydrogen impermeable material. The byproduct containment area is in a volume exchanging relationship with one or both of the liquid reservoir and the reaction area.