Abstract: An energy storage system comprising at least one energy storage module adapted to supply electrical energy to a hybrid vehicle. The energy storage module comprises an enclosure and at least one battery array located within the enclosure. The battery array also includes a voltage sense board having a plurality of bus bars disposed therein. The bus bars connect a positive terminal of a first battery cell to a negative terminal of a second battery cell. The voltage sense board has missing final bus bars in designated locations of the voltage sense board to limit the exposed voltage to 50 volts during initial assembly. The final bus bars are installed last in conjunction with safety covers which have overlap portions to cover the installed final bus bars.

Abstract: An apparatus for insulating a plurality of exposed live parts of a fuel cell stack, includes a plurality of protectors. Each of the plurality of protectors is made of an insulating material and configured to insulate a corresponding one of the plurality of exposed live parts to which a corresponding one of current collector terminals disposed in an end plate of the fuel cell stack and a corresponding one of connections of a busbar are connected.

Abstract: According to one embodiment, a negative electrode active material for nonaqueous electrolyte battery includes a titanium oxide compound having a crystal structure of monoclinic titanium dioxide. When a monoclinic titanium dioxide is used as the active material, the effective capacity is significantly lower than the theoretical capacity though the theoretical capacity was about 330 mAh/g. The invention comprises a titanium oxide compound which has a crystal structure of monoclinic titanium dioxide and a (001) plane spacing of 6.22 ? or more in the powder X-ray diffraction method using a Cu-K? radiation source, thereby making an attempt to improve effective capacity.

Abstract: A bipolar separator assembly for use with a fuel cell comprising: a plate member having opposing first and second surfaces compatible with fuel gas and oxidant gas, respectively, the plate member having first and second opposing end segments and third and fourth opposing end segments which are transverse to the first and second opposing end segments; first and second pocket members situated adjacent the first and second end segments and extending outward of the first surface, the first and second pocket members being adapted to enclose opposing ends of an anode current collector, and third and fourth pocket members situated adjacent the third and fourth end segments and extending outward of the second surface, the third and fourth pocket members being adapted to enclose opposing ends of a cathode current collector, wherein at least a portion of each of the first, second, third and fourth pocket members is formed separately from the plate member and is releasably positioned relative to the plate member.

Abstract: Disclosed herein is an electrode sheet having an electrode active material applied to one major surface or opposite major surfaces of a current collector sheet, the electrode sheet being cut to manufacture a plurality of unit electrode plates, wherein first notch portions are formed at one side, selected from between an upper side and a lower side, of the electrode sheet such that the first notch portions are arranged at intervals corresponding to a width of each of the unit electrode plates and second notch portions corresponding to the first notch portions are formed at the other side of the electrode sheet, and wherein an upper end cut side for a cutting margin is formed at each of the second notch portions, the upper end cut side being smaller in size than a lower end cut side.

Abstract: A fuel cell includes: an electrolyte membrane; a first reactive gas channel that is provided on a first surface side of the electrolyte membrane; a second reactive gas channel that is provided on a second surface side of the electrolyte membrane; and a coolant channel. The coolant channel is configured such that a flow direction of the first reactive gas flowing in the first reactive gas channel is opposite to a flow direction of the second reactive gas flowing in the second reactive gas channel, and a downstream portion of the flow of at least one of the first and second reactive gases, in a plane of the electrolyte membrane, is cooled from the central portion within the plane.

Abstract: A battery has a casing holding plural cells and a mesh wrapped around the cells to contain pieces of an exploding cell within the casing. To prevent overpressurization of the casing from the gas emitted by an exploding cell, a pressure relief feature is provided that allows gas to pass through battery casing.

Abstract: A fuel cell (1) includes a stacked body of a membrane electrode assembly (3) and of separators (2). Then, the membrane electrode assembly (3) and the separators (2) are formed into a substantially rectangular shape, the separators (2) include flow passages. Moreover, an aspect ratio R as a ratio (flow passage length/flow passage width) of a flow passage length with respect to a flow passage width is 0.01 or more to less than 2. Furthermore, a horizontal direction equivalent diameter D (mm) of the flow passages satisfies Expression (1): D=B×(R×Acat)1/3??Expression (1) where Acat is a catalyst area (cm2) of the membrane electrode assembly (3), and B is a constant of 0.005 or more to 0.2 or less.

Abstract: A fuel cell including at least one of a hydrophilic interlayer and a flow field treated to impart hydrophilic properties is disclosed, wherein the hydrophilic interlayer and the treated flow field militate against water accumulation in ultrathin electrodes of the fuel cell, particularly for cool-start operating conditions (i.e. about 0° C. to about 60° C.).

Abstract: There are provided a positive electrode active material for an alkaline storage battery, a positive electrode for an alkaline storage battery, and an alkaline storage battery each of which has an excellent output characteristics and also has an excellent self-discharge characteristic and an excellent cycle lifetime characteristic. The positive electrode active material for an alkaline storage battery according to the present invention has nickel hydroxide particles each containing at least magnesium in a solid solution state and a cobalt compound layer coating the surface of each of the nickel hydroxide particles. Among them, the cobalt compound layer contains cobalt having an average valence of not less than 2.6 and not more than 3.0 and also contains sodium at a proportion of less than 0.10 wt % to the total weight of the cobalt compound layer. The positive electrode active material for an alkaline storage battery according to the present invention has a conductivity smaller than 1.

Abstract: Glass-fiber composites are described that include a substrate containing glass fibers and particles in contact with the glass fiber substrate. The particles may include an alkali-metal containing compound. In addition, batteries are described with an anode, a cathode, and an electrolyte. The cathode may include alkali-metal containing nanoparticles in contact with glass fibers. Described are methods of making a glass-fiber composite. The methods may include the steps of forming a wet laid non-woven glass fiber substrate, and contacting alkali-metal containing particles on the substrate.

Abstract: Improved portable power sources such as batteries, fuel cells, power generators and the like can include structure or apparatus that are adapted to provide an indication of the power capacity remaining within the portable power source. In some cases, these power sources may be configured to accommodate remote communication regarding their remaining power capacity.

Abstract: An object of the present invention is to provide a high-capacity, low cycle deterioration lithium secondary battery in which the positive electrode is provided with a titanium composite oxide such as Li2NiTiO4. A lithium secondary battery 100 provided by the present invention includes a positive electrode 10 and a negative electrode 20. The positive electrode 10 has a solid solution between Li2M1TiO4 (where M1 is at least one metal element selected from the group consisting of Mn, Fe, Co, and Ni) and LiM2O2 (where M2 is at least one metal element selected from the group consisting of Mn, Co, and Ni).

Abstract: A reversible SOFC monolithic stack is provided which comprises: 1) a first component which comprises at least one porous metal containing layer (1) with a combined electrolyte and sealing layer on the porous metal containing layer (1); wherein the at least one porous metal containing layer (1) hosts an electrode; 2) a second component comprising at least one porous metal containing layer (1) with a combined interconnect and sealing layer on the porous metal containing layer; wherein the at least one porous metal containing layers hosts an electrode. Further provided is a method for preparing a reversible solid oxide fuel cell stack. The obtained solid oxide fuel cell stack has improved mechanical stability and high electrical performance, while the process for obtaining same is cost effective.

Abstract: There is provided a negative electrode for a nonaqueous electrolyte secondary battery in which when a battery is formed, the energy density is high, and moreover, the decrease in charge and discharge capacity is small even if charge and discharge are repeated. By using silicon oxide particles having a particle diameter in a particular range as a starting raw material, and heating these particles in the range of 850° C. to 1050° C., Si microcrystals are deposited on the surfaces of the particles. Then, by performing doping of Li, a structure comprising a plurality of protrusions having height and cross-sectional area in a particular range is formed on the surfaces. The average value of the height of the above protrusions is 2% to 19% of the average particle diameter of the above lithium-containing silicon oxide particles.

Abstract: A secondary battery is disclosed. In one embodiment, the secondary battery includes i) a first electrode plate having two opposing surfaces, wherein the first electrode plate comprises a first electrode collector and a first electrode coating portion disposed on at least one of the two surfaces of the first electrode collector and ii) a second electrode plate having two opposing surfaces, wherein the second electrode plate comprises a second electrode collector and a second electrode coating portion disposed on at least one of the two surfaces of the second electrode collector. The secondary battery may further include a separator disposed between the first and second electrode plates and electrically insulating the first and second electrode plates from each other.

Abstract: An electrochemical water gas shift system for removing low level carbon monoxide from hydrogen stream. The system including an electrolyzer having a porous anode for absorbing carbon monoxide from a hydrogen stream as a feed stream for a polymer electrolyte membrane fuel cell for generating an electrical energy, a small portion of electricity generated by the fuel cell is applied to the electrolyzer to convert carbon monoxide adsorbed in the porous anode to carbon dioxide and hydrogen via an electrochemical gas shift reaction without oxygen or air input. In an embodiment, the system includes a first electrolyzer operating as a CO adsorber and a second electrolyzer connected in parallel with the first electrolyzer operating as a CO remover. Two electrolyzers can be operated alternatively as CO adsorber and CO remover.

Abstract: An assembled battery includes a conductive filler, a first cell, a second cell. The first cell includes a flat first electrode tab made of aluminum or an aluminum alloy. The second cell includes a flat second electrode tab made of aluminum or an aluminum alloy. The second electrode tab is electrically connected to the first electrode tab through the conductive filler intervening between the first cell and the second cell and through weld surfaces of the first cell and the second cell which are at least partly welded to each other.

Abstract: To provide a lithium secondary battery which has high capacity while maintaining excellent charge-discharge characteristic, and to provide a cathode of the lithium secondary battery and a plate-like particle for cathode active material to be contained in the cathode. The plate-like particle of cathode active material for a lithium secondary battery of the present invention has a layered rock salt structure, a thickness of 5 ?m or more and less than 30 ?m, 2 or less of [003]/[104] which is a ratio of intensity of X-ray diffraction by the (003) plane to intensity of X-ray diffraction by the (104) plane, a voidage of 3% or more and less than 30%, and an open pore ratio of 70% or higher.

Abstract: Battery cover assemblies functioning to open/close a terminal connection, and portable electronic devices including the battery cover assemblies are disclosed. A battery cover assembly is provided that includes a first plate having a first opening, a second plate having a second opening corresponding to the first opening, the second plate being combined with the first plate on one side of the first plate, and a sliding door disposed between the first and second plates for sliding between a closed position where the first and second openings are closed and an open position where the first and second openings are open.