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Fuel cell catalyst regeneration

Patent Number: 8440357
Publication Date: 2013-05-14
Inventors: ;

Systems that facilitate operating proton exchange membrane (PEM) fuel cells are provided. The systems employ a fuel supply component that supplies fuel to the proton exchange membrane fuel cell; and a regeneration component that provides a reducing agent comprising a mixture of hydrogen and nitrogen, or a reducing plasma to a cathode catalyst of the proton exchange membrane fuel cell to reduce the cathode ...

Process for manufacturing electrolyte assembly for secondary battery of novel laminated structure

Patent Number: 8440356
Publication Date: 2013-05-14
Inventors: ;

Disclosed is the present invention directed to a process for manufacturing an electrode assembly, including: prior to assembling to electrode, bending a cathode, having an active material layer coated on one major surface of a current collector, and an anode, having an active material layer coated on one major surface of another current collector, in a zigzag fashion in vertical sections; and after the bending of the cathode and the anode, fitting the cathode and the anode to each other, ...

Equalizing electrode plate with insulated split-flow conductive structure

Patent Number: 8440355
Publication Date: 2013-05-14
Inventor:

The present invention relates to an equalizing electrode plate with insulated split-flow conductive structure, which is a specifically installed insulated split-flow conductive structure with internal conductive body coated with insulator; one end of the insulated split-flow conductive structure connects to the electric energy input/output terminal of the electrode plate, and another end connects to the electrode plate area farther away from the electric energy input/output terminal and/or ...

Cathode active material for lithium secondary battery

Patent Number: 8440354
Publication Date: 2013-05-14
Inventor:

Provided is a lithium transition metal oxide having an α-NaFeO₂layered crystal structure, as a cathode active material for lithium secondary battery, wherein the transition metal includes a blend of Ni and Mn, an average oxidation number of the transition metals except lithium is +3 or higher, and the lithium transition metal oxide satisfies Equations 1 and 2 ...

Lithium mixed metal oxide

Patent Number: 8440353
Publication Date: 2013-05-14
Inventors: ;

A lithium mixed metal oxide containing Li, Mn and M (M represents at least one metal element, and is free from Li or Mn), and having a peak around 1.5 Å (peak A), a peak around 2.5 Å (peak B), and the value of I_B/I_Ais not less than 0.15 and not more than 0.9 in a radial distribution function obtained by subjecting an extended X-ray absorption fine structure (EXAFS) spectrum at K absorption edge of Mn in the oxide to the Fourier transformation, wherein I_{A ...}

Negative active material for lithium secondary battery and negative electrode and lithium secondary battery comprising same

Patent Number: 8440352
Publication Date: 2013-05-14
Inventor:

A negative electrode for a lithium secondary battery of the present invention includes a negative active material including a plate-shaped carbon powder particle agglomerated in a primary structure in which the plate-shaped particle is oriented in a plane direction and laminated. Fine carbon powder particles are then agglomerated to form a secondary structure on the surface of the primary structure such that the resulting particles include fine pores formed on the ...

Positive electrode for lithium ion secondary battery and lithium ion secondary battery including same

Patent Number: 8440351
Publication Date: 2013-05-14
Inventors: ;

A rechargeable lithium ion battery including a positive electrode a positive active material and including a negative electrode having a negative active material. The positive active material includes a lithium-manganese-based compound core and a heat resistant polymer disposed on the lithium-manganese-based compound core. The heat resistant polymer has a glass transition temperature (Tg) ranging from about 80 to about 400° C.

Alternatively, the positive active material may include ...

Lithium-ion battery electrodes with shape-memory-alloy current collecting substrates

Patent Number: 8440350
Publication Date: 2013-05-14
Inventors: ;

Lithium-ion battery electrode constructions use an array of nanowires (or of other long thin shapes) of active electrode material anchored at one end to a surface of a metal current collector sheet in an electrode assembly or construction. This form of active electrode material permits good contact with a liquid lithium-ion containing electrolyte that infiltrates the closely-spaced thin shapes. Stresses arising from volume changes in the long shapes with lithiation and de-lithiation of the ...

Nonaqueous electrolyte solution and lithium secondary battery using same

Patent Number: 8440349
Publication Date: 2013-05-14
Inventor:

The present invention provides a nonaqueous electrolytic solution exhibiting excellent battery characteristics such as electrical capacity, cycle property and storage property and capable of maintaining the battery characteristics for a long time, and a lithium secondary battery using the nonaqueous electrolytic solution.

A nonaqueous electrolytic solution for a lithium secondary battery, in which an electrolyte salt is dissolved in a nonaqueous solvent, containing 0.1 to 10% by ...

Sealed battery

Patent Number: 8440348
Publication Date: 2013-05-14
Inventor:

The external terminal 19 has sword-guard portion 19₁provided with a terminal portion 19₃formed at one end thereof and a cylindrical crimping member 19₂formed at another end thereof, the cylindrical crimping member 19₂being inserted through openings each formed at a first insulating member 21₁, the opening-sealing plate 13, a second insulating member 21₂and the ...

Secondary battery

Patent Number: 8440347
Publication Date: 2013-05-14
Inventor:

A secondary battery including an electrode assembly, a can accommodating the electrode assembly, a cap assembly sealing the can, and an insulating case interposed between the electrode assembly and the cap assembly and having two facing long side walls and two facing short side walls, wherein the two facing long side walls include opposing end portions and opposing central portions, the opposing end portions and the opposing central portions each include outer surfaces and a distance ...

Protection circuit board for secondary battery and secondary battery using the protection circuit board

Patent Number: 8440346
Publication Date: 2013-05-14
Inventor:

A protection circuit board for a secondary battery includes an insulation substrate, a protection circuit part including an electrode tap connection terminal and a charge/discharge terminal, arranged on the insulation substrate, and a printed circuit board including a passive element and a positive element, connected to a printed circuit board pattern. A static electricity absorbing part is arranged at a periphery of the printed circuit board ...

Battery pack of improved stability

Patent Number: 8440345
Publication Date: 2013-05-14
Inventors: ;

Disclosed herein is a battery pack wherein a rectangular battery having an electrode assembly and an electrolyte contained therein in a sealed state is received in a pack case, and an insulating material is filled in a space defined between the inner surface of the upper end of the pack case and the upper end of the battery, whereby the battery pack is manufactured with a reduced thickness, the assembly process of the battery pack is very simple, and short circuit of the battery pack or ...

Secondary battery pack

Patent Number: 8440344
Publication Date: 2013-05-14
Inventor:

A secondary battery pack having a connecting member connecting a secondary battery to a protection circuit module. The secondary battery pack includes at least one secondary battery; a case accommodating the battery; a protection circuit module to protecting the battery; and a connecting member connecting the at least one secondary battery to the protection circuit module. The connecting member includes a first plate having a plurality of conductive patterns spaced apart from one another; ...

Electricity storage system and metal battery case manufacturing method

Patent Number: 8440343
Publication Date: 2013-05-14
Inventor:

An electricity storage system comprises a plurality of battery cells in which battery elements are accommodated in angular metal battery cases, wherein the plurality of battery cells are connected together electrically and are disposed in such a manner as to form spaces between the metal battery cells, and wherein the metal battery cell comprises an angular metallic housing on an external surface of which irregularities are formed and a resin portion which is injection molded integrally on ...

Thermal battery cathode materials and batteries including same

Patent Number: 8440342
Publication Date: 2013-05-14
Inventors: ;

Cathode materials for use in thermal batteries are disclosed. The cathode material includes a primary active material and an amount of a bi-metal sulfide such as CuFeS₂. Batteries (e.g., thermal batteries) that contain such cathode materials are also ...

Battery pack

Patent Number: 8440341
Publication Date: 2013-05-14
Inventor:

A battery pack that includes a holder to accommodate bare cells and a lead plate electrically connected to the holder. The lead plate includes female and male coupling members such that the holder is easily assembled with the lead plate and an error occurring when the holder and the lead plate are coupled with each other may be prevented. The lead plate may not separate from the holder after assembling the holder with the lead ...

Battery latching assembly for portable electronic device

Patent Number: 8440340
Publication Date: 2013-05-14
Inventor:

A battery latching assembly is used for a portable electronic device. The battery latching assembly includes a base body and a latching member. The base body defines a first hole and a second hole. The latching member is attached to the base body. The latching member includes a resisting block, a button portion and a bent arm. The resisting block is received in the first hole configured for abutting against a battery. The button portion is received in the second hole. The bent arm is ...

Battery module, electric storage device and electric system

Patent Number: 8440339
Publication Date: 2013-05-14
Inventors: ;

A battery module is configured so that the first cell string and the second cell string are arranged between the first plate member and the second plate member and the second cell string is arranged closer to the second plate member side than the first cell string is and is arranged closer to the outlet side than the first cell string is. At the inlet side of the housing, the inlet is arranged closer to the first plate member than to the second cell string, at least a part between the inlet ...

Battery assembling body and vehicle on which battery assembling body is mounted

Patent Number: 8440338
Publication Date: 2013-05-14
Inventor:

A battery assembling body capable of preventing a temperature rise of a battery while preventing an inflow of foreign matters. The battery assembling body (12) includes a housing (15) which contains batteries (2a, 2b, 6), a side frame (17) which is used to detachably fit the housing (15) to a lower frame of a vehicle, a ventilation hole (18c) located upper part of the housing (15), and a ventilation space ...

Battery safety system

Patent Number: 8440337
Publication Date: 2013-05-14
Inventor:

A battery safety system that includes a battery terminal configured for making an electrical connection to the system, an electrical disconnect operable to a disconnected state whereby a battery voltage is electrically isolated from the battery terminal, and a connected state, whereby the battery voltage is electrically coupled to the battery terminal. The battery safety system also includes and a terminal guard movable to an exposed position effective to allow making the electrical ...

Rechargeable battery with short circuit member

Patent Number: 8440336
Publication Date: 2013-05-14
Inventor:

A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case containing the electrode assembly; and a cap assembly coupled to the case. The cap assembly includes a cap plate and a short circuit member attached to the cap plate. The short circuit member includes a portion having a different thickness from another portion of the short circuit ...

Explosion-proof device including battery cover with rupture film positioned in valve seat for use in power batteries

Patent Number: 8440335
Publication Date: 2013-05-14
Inventor:

An explosion-proof device for use in power batteries includes a battery cover defining an explosion-proof hole, a valve seat securely mounted in the explosion-proof hole and hermetically sealing the battery cover, and a rupture film positioned in the valve seat and hermetically sealing the explosion-proof hole. The rupture film is insulatively isolated from the valve seat via an insulative cushion enclosing the rupture film, or an insulative layer formed on the rupture film. In the ...

Rechargeable battery

Patent Number: 8440334
Publication Date: 2013-05-14
Inventor:

A rechargeable battery including a case containing an electrode assembly, the electrode assembly having a coated region and an uncoated region, a lead member inside the case, the lead member surrounding at least a part of the uncoated region of the electrode assembly and having a first thickness, an electrode terminal connected to the lead member, and a current collecting plate having a second thickness that is thinner than the first thickness and coupled to the lead member and to the ...

Fuel cell and electronic apparatus

Patent Number: 8440333
Publication Date: 2013-05-14
Inventor:

A fuel cell is provided having excellent performance and being capable of achieving a sufficient buffer ability in a high-output operation when an enzyme is immobilized on at least one of a positive electrode and a negative electrode and of sufficiently exhibiting the ability inherent in the enzyme. A biofuel cell includes a structure in which a positive electrode and a negative electrode are opposed to each other with an electrolyte layer containing a buffer material provided therebetween, ...

Nonaqueous electrolyte solution and lithium secondary battery using same

Patent Number: 8435681
Publication Date: 2013-05-07
Inventor:

A non-aqueous electrolyte solution containing a lithium salt, a non-aqueous solvent, and a compound expressed by the following formula (IIc):

wherein Z⁶represents an integer of 2 or larger, X⁶represents a Z⁶-valent hydrocarbon group having 2-6 carbon atoms, R⁶¹represents, independently of each other, an alkyl group having 1-6 carbon atoms, R⁶²represents, independently of each other, an ...

Rechargeable lithium battery

Patent Number: 8435680
Publication Date: 2013-05-07
Inventor:

A rechargeable lithium battery including: a positive electrode including a nickel-based positive active material; a negative electrode including a negative active material; and an electrolyte including a non-aqueous organic solvent, a lithium salt, a first fluoroethylene carbonate additive, a second vinylethylene carbonate additive, and a third alkane sultone additive, wherein when the battery is thicker than about 5mm, a mixing weight ratio of the first fluoroethylene carbonate additive to ...

Fluorinated compounds for use in lithium battery electrolytes

Patent Number: 8435679
Publication Date: 2013-05-07
Inventors: ; ; ; ; ; ;

Provide are fluorinated cyclic and acyclic carbonate solvent compositions such as various fluorine substituted 1,3-dioxolane-2-one compounds and fluorine substituted 1,3-dioxane-2-one compounds, which are useful as electrolyte solvents for lithium ion ...

Electrode material with enhanced ionic transport properties

Patent Number: 8435678
Publication Date: 2013-05-07
Inventor:

Materials useful as electrodes for lithium batteries have very good electronic and ionic conductivities. They are fabricated from a starting mixture which includes a metal, a phosphate ion, and an additive which enhances the transport of lithium ions in the resultant material. The mixture is heated in a reducing environment to produce the material. The additive may comprise a pentavalent metal or a carbon. In certain embodiments the material is a two-phase material. Also disclosed are ...

Lithium metal phosphate/carbon nanocomposites as cathode active materials for rechargeable lithium batteries

Patent Number: 8435677
Publication Date: 2013-05-07
Inventor:

A process for the synthesis of lithium metal phosphate/carbon nanocomposites as cathode active materials in rechargeable electrochemical cells comprising mixing and reacting precursors of lithium, transition metal(s) and phosphate with high surface area activated carbon, preferably phosphorylated ...

Mixed nano-filament electrode materials for lithium ion batteries

Patent Number: 8435676
Publication Date: 2013-05-07
Inventor:

This invention provides a mixed nano-filament composition for use as an electrochemical cell electrode. The composition comprises: (a) an aggregate of nanometer-scaled, electrically conductive filaments that are substantially interconnected, intersected, or percolated to form a porous, electrically conductive filament network, wherein the filaments have a length and a diameter or thickness with the diameter/thickness less than 500 nm (preferably <100 nm) and a length-to-diameter or ...

Non-aqueous electrolyte secondary battery with high capacity and good life characteristics

Patent Number: 8435675
Publication Date: 2013-05-07
Inventors: ;

Disclosed is a non-aqueous electrolyte secondary battery comprising a positive electrode containing a nickel-containing lithium composite oxide, a negative electrode containing graphite, and a non-aqueous electrolyte. The cut-off voltage of charge of this non-aqueous electrolyte secondary battery is 4.25 to 4.6 V. The negative electrode contains an additive that reacts with lithium at a potential higher than the potential of graphite. The ratio A/B of a positive electrode capacity A based ...

Lithium battery

Patent Number: 8435674
Publication Date: 2013-05-07
Inventors: ; ;

A lithium battery includes a cathode; an anode; and an organic electrolyte solution. The cathode includes cathode active materials that discharge oxygen during charging and discharging. The organic electrolyte solution includes: lithium salt; an organic solvent, and at least one selected from the group consisting of compounds represented by Formula 1 and Formula 2 below:

P(R₁)_a(OR₂)_b Formula ...

Cathode composition with phosphorus composition additive and electrochemical cell comprising same

Patent Number: 8435673
Publication Date: 2013-05-07
Inventors: ; ; ; ;

A cathode composition and a rechargeable electrochemical cell comprising same are disclosed. The cathode composition is described as comprising particles of one or more transition metal, alkali halometallate having a melting point of less than about 300 degrees Celsius, and at least one phosphorus composition additive selected from P—O compositions, P-halogen compositions, P—O-halogen compositions, and their reaction products and combinations. Also described is a rechargeable ...

Lithium ion secondary battery

Patent Number: 8435672
Publication Date: 2013-05-07
Inventor:

The invention provides a lithium ion secondary battery comprising a positive electrode, a negative electrode and an electrolysis solution containing an aprotic solvent having an electrolyte dissolved in it, wherein the negative electrodes uses an amorphous carbon material as a negative electrode active material. The amorphous carbon material has (A) an average particle diameter (median size) of 7 μm to 20 μm inclusive as measured by a laser diffraction scattering method and (B) a particle ...

Multilayer material, method for making same and use as electrode

Patent Number: 8435671
Publication Date: 2013-05-07
Inventors: ; ; ; ;

A multilayer material includes a solid substrate and at least two superimposed solid layers containing particles of an electrochemically active material, the first solid layer adhering to the solid substrate and the second solid layer adhering to the first solid layer. The multilayer material has a constant thickness of upper layer not less than 95% and a depth of penetration of the second layer into the first layer which is less than 10% of the thickness of the first layer, and enables as ...

Battery including aluminum components

Patent Number: 8435670
Publication Date: 2013-05-07
Inventors: ; ; ;

A primary lithium battery can include a current collector that includes aluminum, a positive lead that includes aluminum, or both. The aluminum battery components can have high mechanical strength and low electrical ...

Electro-chemical device and method for manufacturing the same

Patent Number: 8435669
Publication Date: 2013-05-07
Inventor:

An electro-chemical device comprises a package including a metal film, a battery element sealed within the package, resin layers disposed at least on the inside of a seal part of the package, and a lead extending from the battery element to the outside of the package through between the resin layers at the seal part of the package. The lead has a special form into which the resin of the resin layers bites, so that the lead is firmly buried in the resin layers, whereby the lead is fully ...

Prismatic battery cell with integrated cooling passages and assembly frame

Patent Number: 8435668
Publication Date: 2013-05-07
Inventors: ;

A battery cell assembly includes a main body configured to generate power from an electrochemical reaction. The main body has a first end and a second end, a first side and a second side, and a first major surface and a second major surface. A pair of electrical tabs extends outwardly at the first end of the main body. An insulating element is disposed adjacent the first major surface of the main body. A cooling element is disposed adjacent the second major surface of the main body. The ...

Assembled battery, manufacturing method of the same, and vehicle provided with assembled battery

Patent Number: 8435667
Publication Date: 2013-05-07
Inventors: ;

In an assembled battery (10), a plurality of rechargeable unit cells (12), each of which is provided with an electrode body (30) that has a positive electrode (32) and a negative electrode (34), a container (14) that houses the electrode body (30) and an electrolyte, and a positive electrode terminal (15) and a negative electrode terminal (16) which are arranged on an outside of the container (14), the rechargeable unit ...

Battery module with excellent cooling efficiency and compact structure and middle or large-sized battery pack

Patent Number: 8435666
Publication Date: 2013-05-07
Inventors: ; ; ;

Disclosed herein is a battery module including a plurality of battery cells mounted in a module case in a stacked state, wherein cooling members are mounted at interfaces between the battery cells, the module case is configured in a structure in which two opposite sides of the module case are open so that corresponding portions of the battery cell stack are exposed outward through the two open opposite sides of the module case, the cooling members are partially exposed outward through the ...

Device for cooling a vehicle battery

Patent Number: 8435665
Publication Date: 2013-05-07
Inventors: ; ; ; ; ;

A device for cooling a vehicle battery is provided that includes a plurality of electric storage elements, and a cooling body being flowed through by a coolant fluid, wherein at least one of the electric storage elements is fixed at least on one cooling plate in thermal contact, and wherein the cooling plate is connected to the cooling body so that heat may be transferred from the storage element to the fluid, wherein the cooling plate has a planar mechanical connection to the cooling ...

Battery system having temperature equalizing walls in ducts

Patent Number: 8435664
Publication Date: 2013-05-07
Inventors: ;

A battery system including battery blocks (3) having a plurality of battery cells (1) stacked with cooling gaps (4) established between the battery cells to pass cooling gas; ventilating ducts (5), which are supply ducts (6) and exhaust ducts (7), disposed on both sides of the battery blocks to forcibly ventilate the cooling gaps; and ventilating apparatus (9) to force cooling gas to flow through the ventilating ducts. Cooling gas forcibly ...

Battery ejector and electronic device using the same

Patent Number: 8435663
Publication Date: 2013-05-07
Inventor:

An electronic device includes a housing having a battery chamber and a battery ejector assembled near the battery chamber. The housing has a front surface, the battery chamber is defined in the front surface for receiving a battery therein. The battery ejector includes an ejecting piece comprising an elastic portion, a hinged portion and a pressing portion. The elastic portion is configured for providing an ejecting force to the battery. The hinged portion is disposed at one end of the ...

Coupling socket for cable-type secondary battery and coupling assembly having the same

Patent Number: 8435662
Publication Date: 2013-05-07
Inventor:

A coupling socket of a cable-type secondary battery includes a first connection unit capable of being electrically connected to a terminal of a first polarity electrode of a cable-type secondary battery, a second connection unit capable of being electrically connected to a terminal of a second polarity electrode of another cable-type secondary battery, and a body electrically connected to the first connection unit and the second connection unit, wherein at least one of the first connection ...

Z-type battery pack for vehicle

Patent Number: 8435661
Publication Date: 2013-05-07
Inventor:

A flux of cooling gas passing between battery cells is kept uniformly, and accordingly a maximum temperature of the battery cells and temperature variation among the battery cells are greatly decreased. Thus, a life span of a battery pack is greatly elongated, and the possibility of explosion of the battery pack is ...

Rechargeable battery and module thereof

Patent Number: 8435660
Publication Date: 2013-05-07
Inventor:

A rechargeable battery includes an electrode group in a case, the electrode group including a first electrode and a second electrode, a cap plate coupled to the case, an electrode terminal electrically connected to the first electrode, the electrode terminal being electrically insulated from the cap plate, and a current interrupt device (CID) electrically connected to the second electrode and the cap plate, the CID including a membrane on a first surface of the cap plate, the membrane being ...

Rechargeable battery

Patent Number: 8435659
Publication Date: 2013-05-07
Inventor:

A rechargeable battery including: an electrode assembly with a positive electrode, a negative electrode and a separator interposed therebetween; a case housing the electrode assembly; a cap plate connected to the case; a first terminal and a second terminal protruding from an upper part of the cap plate; and a current interrupt module electrically connected to the electrode assembly and the first terminal, wherein the current interrupt module includes a current interrupt unit coupled to the ...

Sealed cell with terminal cap and safety valve

Patent Number: 8435658
Publication Date: 2013-05-07
Inventor:

A sealed cell has a sealing body with a space-saving safety valve that has excellent safety. The sealing body includes a terminal cap and a safety valve. The terminal cap includes one or more gas releasing holes for releasing a gas from inside to outside of the cell. The gas releasing holes are provided in the external terminal. A safety valve includes a conductive contact portion projecting toward an inside of the sealed cell, a peripheral portion in a periphery of the conductive contact ...

Method of preserving polymer electrolyte fuel cell stack and preservation assembly of polymer electrolyte fuel cell stack

Patent Number: 8435657
Publication Date: 2013-05-07
Inventors: ;

A preservation assembly of a PEFC stack which is capable of sufficiently inhibiting degradation of performance of the PEFC stack particularly during a time period that elapses from when the stack is placed in the uninstalled state until it is placed in the installation position and is practically used. The PEFC stack is provided with an oxidizing agent passage having an inlet and an outlet and extending through a cathode and a reducing agent passage having an inlet and an outlet and ...