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Class 429/50 - PROCESS OF CELL OPERATION


Subclass of Class 429 - Chemistry: electrical current producing apparatus, product, and process
Definition: Process involving the operation of a battery (to provide
No. of patents: 311
Last issue date: 05/29/2012


1                
NumberTitleIssue Date
8187735Multifunctional mixed metal olivines for lithium ion batteries
Electroactive compositions are disclosed for use in lithium ion battery electrodes. The compositions, such as multifunctional mixed metal olivines, provide an electrochemical cell having a plurality of open circuit voltages at different states of charge. The composi...
05/29/2012
8163407Method for controlling sodium-sulfur battery
In a method for controlling a sodium-sulfur battery, a time of correcting or resetting a depth of discharge of the sodium-sulfur battery is determined within a predetermined period based on weather information, and the depth of discharge of the sodium-sulfur battery...
04/24/2012
8142918Flexible cathodes
This disclosure relates to methods of making a cathode for a lithium battery. The batteries include: (a) treating a cathode current collector with flame or corona; (b) coating a slurry containing iron disulfide, a first solvent, and a binder onto the cathode current...
03/27/2012
8137830High voltage battery composed of anode limited electrochemical cells
An electrochemical storage device including a plurality of electrochemical cells connected electrically in series. Each cell includes an anode electrode, a cathode electrode and an aqueous electrolyte. The charge storage capacity of the anode electrode is less than ...
03/20/2012
8084151Fuel cell system and method therefor
When an output voltage of a fuel cell is lowered to carry out a catalyst activation process so as to activate a catalyst during an intermittent operation of the fuel cell, if generated power P1 exceeds allowed battery charge power, while generated power P2...
12/27/2011
8080325Covers for electrochemical cells and related methods
Embodiments of the invention relate to an electrochemical cell system including a cover that affects reactant flow into an electrochemical cell array. ...
12/20/2011
8071256Electrochemical energy generating apparatus and method for driving the apparatus
To provide an electrochemical energy generating apparatus which can regulate the operating conditions of an electrochemical device such as a fuel cell, according to a change of the internal properties of the device, achieving high energy density, and a method for dr...
12/06/2011
8067108Hybrid battery for use over extended temperature range
A hybrid battery comprising at least two nonaqueous electrochemical systems is described. The first cell comprises an anode of an alkaline earth metal or alloy thereof, and the second cell comprises an anode of an alkali metal or alloy thereof. The first cell is pre...
11/29/2011
7993768Energy storage device and method
A composition is provided that includes a ternary electrolyte having a melting point greater than about 150 degree Celsius. The ternary electrolyte includes an alkali metal halide, an aluminum halide and a zinc halide. The amount of the zinc halide present in the te...
08/09/2011
7968220Non-aqueous electrolytic solution and lithium secondary battery
A non-aqueous electrolytic solution favorably employable for a lithium secondary battery employs a non-aqueous electrolytic solution which comprises a non-aqueous solvent and an electrolyte which further contains 0.001 to 0.8 weight % of a biphenyl derivative having...
06/28/2011
7851077System and method for enhanced information handling system battery safety
Enhanced safety is provided in the event of an information handling system catastrophic battery failure by extending a flame container outward from the battery to vent flammable gases through holes having a quenching distance that retards transfer of flames from the...
12/14/2010
7842429Solid oxide fuel cell device and system
The invention provides a fuel cell device including an elongate substrate the length of which is the greatest dimension such that the elongate substrate exhibits thermal expansion along a dominant axis coextensive with the length. A reaction zone is provided along a...
11/30/2010
7807308Fuel cell system and start-up method
A fuel cell system including a fuel cell stack having a plurality of fuel cells is provided. An anode supply manifold and an anode exhaust manifold are in fluid communication with the anodes of the plurality of fuel cells. A first valve is in fluid communication wit...
10/05/2010
7803478Power output apparatus and method of setting secondary battery
In a power output apparatus of the invention, a battery 36 is constructed by a lithium ion battery satisfying a first requirement of Sb/Pm2max>0.09 (m2/kW) as a relation of a total electrode area Sb of the battery to a rated output (maximum output)...
09/28/2010
7785730Electrode protection in both aqueous and non-aqueous electrochemical cells, including rechargeable lithium batteries
Electrode protection in electrochemical cells, and more specifically, electrode protection in both aqueous and non-aqueous electrochemical cells, including rechargeable lithium batteries, are presented. In one embodiment, an electrochemical cell includes an anode co...
08/31/2010
7771861Method of using an electrochemical cell
The silicon as an anode material for use in lithium ion batteries according to the present invention provides a method for cell manufacturing. The degree to which the silicon is lithiated during cycling can be controlled, thereby lowering the volume expansion while ...
08/10/2010
7763389Fuel cell manufacturing device and fuel cell
There are disclosed a fuel cell manufacturing device in which a time of an assembling operation of a fuel cell can be reduced, and the fuel cell. A fuel cell manufacturing device is for use in manufacturing a fuel cell having a cell component including a plurality o...
07/27/2010
7749641Secondary lithium ion cell or battery, and protecting circuit, electronic device, and charging device of the same
The present invention provides a new method for improving capacity, average operating voltage and specific energy of a secondary lithium ion cell or battery. This method is achieved by means of properly adjusting the ratio between a positive material and negative ma...
07/06/2010
7642001Non-aqueous secondary battery and its control method
The invention provides a non-aqueous secondary battery having positive and negative electrodes and non-aqueous electrolyte containing lithium salt which has an energy capacity of 30 Wh or more, a volume energy density of 180 Wh/l or higher, which battery has a flat ...
01/05/2010
7560188Nickel-metal hydride rechargeable battery
In a nickel-metal hydride rechargeable battery comprising a positive electrode of nickel hydroxide and a negative electrode of hydrogen-absorption alloy, prolonged battery life is achieved by limiting the charge and discharge operations to be performed in the range ...
07/14/2009
7550224Apparatus equipped with metallic manganese anode for generating power from voltage gradients at the sediment-water interface
An apparatus having a metallic manganese anode; a cathode capable of reducing at least one species found in marine water; and a rig coupled to the anode and the cathode capable of maintaining the anode below a marine sediment surface and maintaining the cathode abov...
06/23/2009
7527890Sealed alkaline storage battery, electrode structure and charging method for the same, and charger for sealed alkaline storage battery
A sealed alkaline storage battery including a nickel electrode as a positive electrode, characterized by having the function of being capable of charge when the gas pressure in the battery and/or the battery temperature is not higher than a specified value and of be...
05/05/2009
7507497Method and apparatus for judging degradation of storage battery
A degradation judgment method, for a storage battery, according to the invention detects generation of a gas (hydrogen, oxygen, etc) after the start of charging of a lead-acid storage battery 10 and measures the electrical characteristics (voltage, current, resistan...
03/24/2009
7432001Prevention of lithium deposition in nonaqueous electrolyte cells by electrolyte-to-cathode weight ratio
The prevention of lithium clusters from bridging between the negative and positive portions of a cell during discharge is described. This is done by limiting the amount of electrolyte in the cell, thereby eliminating excess electrolyte pooling above the cell stack. ...
10/07/2008
7419737Fuel supply device for direct methanol fuel cells
A fuel supply device for direct methanol fuel cells includes a fuel tank for storing liquid fuel, a wick structure formed on the fuel tank, the wick structure for receiving the liquid fuel from the fuel tank, a sheet stack disposed on the wick structure, the sheet s...
09/02/2008
7410710Firstout shutdown tracing for fuel processor control system
A method and apparatus for determining which condition in a fuel processor has initiated a shutdown of the fuel processor are disclosed. In general, the apparatus generates a plurality of shutdown initiator signals, each corresponding to one of a plurality of shutdo...
08/12/2008
7368191Electrode array for use in electrochemical cells
The invention features an electrode array (7) in which pairs of electrodes (1) are geometrically arranged so that the broadest faces of the exposed electrodes are not directly opposing to each other. Rather, the broadest facing surfaces of the electrod...
05/06/2008
7362965Wireless communication activation system and method
A system and method for removable connection of an antenna element to a first flash synchronization connector of a camera body having wireless communication capability therein. An electrical event may be produced when the antenna element is connected to the first fl...
04/22/2008
7357015Gas concentration sensor, hydrogen purification unit using this and fuel cell system
In order to provide a step capable of reliably detecting a CO concentration in a reformed gas at low cost and a hydrogen purifier capable of fully exerting a function of a CO purifying catalyst, a gas concentration detector comprising a reaction chamber which has a ...
04/15/2008
7327147Device and method for determining characteristic variables for batteries
A method for determining characteristic variables for electrical states of an energy storage battery includes subdividing an electrolyte volume of the battery into at least two electrolyte volume components with associated electrolyte balancing areasabd defining at ...
02/05/2008
7326489Catalyst design for VRLA batteries
A catalyst device for use with battery cells to recombine oxygen and hydrogen gas and thereby improve the performance and life of such cells. The catalyst device has the ability to filter out catalyst poisons and control the temperature of the recombination reaction...
02/05/2008
7327122Battery heating circuit
A battery delivers its rated capacity when the battery is below a temperature when the available battery capacity is limited. The battery includes a heating element, a temperature sensor, and a switch operatively connected to the heating element and temperature sens...
02/05/2008
7326481Fuel cell system
The invention provides a reactant delivery system for a dead-headed PEM fuel cell system, comprising a fuel cell, a fuel supply, a purge valve, an inlet orifice, an outlet orifice, and a controller. A first fuel flow circuit is provided, wherein fuel is flowed from ...
02/05/2008
7318970Architectural hierarchy of control for a fuel processor
A control technique for use in a fuel processor is disclosed. In one aspect, a control system includes a subsystem manager controller the operation of a respective physical subsystem for each of a plurality of physical subsystems in the fuel processor. The subsystem...
01/15/2008
7309928Starter system for portable internal combustion engine electric generators using a portable universal battery pack
A portable electrical generator has a manually movable frame. An internal combustion engine and a generator device that generates AC power are supported on the frame. The internal combustion engine drives the generator device. An electrically powered starting device...
12/18/2007
7286356Thermally insulated cabinet and method for inhibiting heat transfer
One embodiment of an cabinet according to the present invention comprises an inner cabinet having a plurality of inner walls that form an enclosure. A phase change material covers at least some of the plurality of inner walls. An outer cabinet is positioned around t...
10/23/2007
7265456Power generation system incorporating a vanadium redox battery and a direct current wind turbine generator
A power generation system includes a wind turbine generator and a vanadium redox battery to compensate for fluctuations in wind power. The wind turbine generator provides DC power that may be used to charge the vanadium redox battery. Generated DC power may also be ...
09/04/2007
7253680Amplifier system with current-mode servo feedback
A system and method for compensating an amplifier apparatus for low frequency and/or DC components of an externally applied input signal as well as for any voltage offsets contributed by the amplifier circuitry. Band-limited servo feedback is applied to predetermine...
08/07/2007
7248022Method and apparatus for determining the available energy of a lithium ion battery
In accordance with various embodiments, there is a method for determining the available energy of a battery. Various embodiments include the steps of applying an increasing current to the battery and measuring a response voltage of the battery when the increasing cu...
07/24/2007
7247048Battery contact mechanism, battery receiving structure, electric power unit, electronic equipment, and pressure-contacting mechanism
A battery contact mechanism energizing a battery in a direction of one electrode of the battery by making pressure contact between a conductive contact member and the other electrode of the battery, includes a torsion coil spring. A rotational force is given to the ...
07/24/2007
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