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Class 429/3 - HAVING PULSE FEATURE


Subclass of Class 429 - Chemistry: electrical current producing apparatus, product, and process
Definition: Apparatus capable of producing periodic electrical output
No. of patents: 38
Last issue date: 09/06/2011


NumberTitleIssue Date
8012614Non-aqueous electrolyte battery, and power supply unit
A non-aqueous electrolyte battery has a positive electrode, a negative electrode, and a non-aqueous electrolyte. The positive electrode has a high-capacity positive electrode portion with a plate area per capacity of smaller than 200 cm2/Ah, and a high-po...
09/06/2011
7914917Hybrid power supply unit
A hybrid power supply unit, comprises a high-capacity nonaqueous electrolyte battery group and a high-power nonaqueous electrolyte battery group different in discharge characteristics connected to each other in parallel. The high-capacity nonaqueous electrolyte batt...
03/29/2011
7736771Apparatus and method for generating and using multi-direction DC and AC electrical currents
Multi-directional currents are generated in a medium by cyclically reversing the direction of a conventional current applied to at least one of at least two electrodes so that an electromotive force (EMF) pulse travels from side of the electrode to the other, changi...
06/15/2010
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
7270911Load leveling battery and methods therefor
A load leveling battery (122) comprising an electrolyte that includes a cerium zinc redox pair wherein preferred electrolytes are acid electrolytes, and most preferably comprise methane sulfonic acid. Contemplated load leveling batteries (122) have an ...
09/18/2007
7263449Method for determining poor performing cells
A means for determining long-term discharge performance, particularly in a lithium/silver vanadium oxide cell, by analyzing and characterizing the initial pulse voltage waveform, is described. The relationship between the initial P1 (Pmin) voltage drop an...
08/28/2007
7252905Lanthanide batteries
A battery (100) comprises an electrolyte in which a lanthanide and zinc form a redox pair. Preferred electrolytes are acid electrolytes, and most preferably comprise methane sulfonic acid, and it is further contemplated that suitable electrolytes may include ...
08/07/2007
7239146Indicator of remaining energy in storage cell of implantable medical device
A manganese dioxide (MnO2) or silver vanadium oxide (SVO) or other battery of an implantable medical device having a relatively flat quiescent battery voltage during a beginning portion of the battery's useful life, makes it difficult to use quiescent battery voltag...
07/03/2007
7186473Battery with built-in load leveling
An integrated battery by incorporating battery elements, supercapscitors elements, and miniaturized electronic controllers within a single housing is devised. The supercapacitors provide a load leveling for the battery elements at both charging and discharging. So l...
03/06/2007
7183014Battery pack
A battery pack is provided which can be suitably used in a case where charging of a dedicated secondary battery in a portable terminal device is difficult. The battery pack is mounted in a battery mounting section in a portable cellular phone (portable terminal devi...
02/27/2007
7144646Method and apparatus for multiple mode control of voltage from a fuel cell system
A fuel cell system determines each of a battery charging current error, a battery voltage error, and a stack current error. The fuel cell system regulates current through a series pass element in response to a greater of the determined errors. Thus, the fuel cell sy...
12/05/2006
7122257Fuel cell reactant supply
A fuel cell system in accordance with a present invention includes a fuel supply apparatus that supplies at least one reactant in a pulse. ...
10/17/2006
7091701Power supply for an electrical load
A power supply is for an electrical load in the form of a Notebook computer. The power supply includes first terminals which extend from the computer for releasably electrically connecting with a first energy storage device in the form of a battery during a first in...
08/15/2006
7087327Electric power plant with adjustable array of fuel cell systems
An electric power plant includes an array of fuel cell systems. The fuel cell systems are electrically couplable in series and/or parallel combinations to provide a variety of output powers, output current and/or output voltages. The fuel cell systems are “hot swa...
08/08/2006
7019494Methods of charging lithium sulfur cells
Disclosed is a method of charging a lithium-sulfur electrochemical cell wherein the lithium-sulfur cell comprises a cathode comprising an electroactive sulfur-containing material, an anode comprising lithium, and a nonaqueous electrolyte. ...
03/28/2006
7005213Ionically conductive additive for zinc-based anode in alkaline electrochemical cells
An anode is provided for an electrochemical cell having an ionically conductive additive, such as Laponite® or any alternative clay suitable to improve the transport of hydroxyl ions into anode during discharge. ...
02/28/2006
6955859Battery pack system
A battery pack system is provided that can be replaced easily without modifying the side of an appliance using this battery pack system, on which charging is controlled by a voltage control, and includes a secondary battery with high performance that undergoes charg...
10/18/2005
6911280Chemical protection of a lithium surface
Disclosed are compositions and methods for alleviating the problem of reaction of lithium or other alkali or alkaline earth metals with incompatible processing and operating environments by creating a ionically conductive chemical protective layer on the lithium or ...
06/28/2005
6541140Electrochemical lithium ion secondary cell having multiplate electrodes with differing discharge rate regions
A secondary electrochemical cell comprising a medium rate electrode region intended to be discharged under a substantially constant drain and a high rate electrode region intended to be pulse discharged, is described. Both electrode regions share a common...
04/01/2003
6503646High rate batteries
Improved high rate batteries based on silver vanadium oxide yield improved pulsed performance. In particular, batteries comprise an electrolyte having lithium ions and a cathode comprising silver vanadium oxide. Improved batteries have a pulsed specific e...
01/07/2003
6485850Metal-air fuel cell battery system with multiple cells and integrated apparatus for producing power signals with stepped-up voltage levels by selectively discharging the multiple cells
A novel metal-air fuel cell battery system with multiple cells and integrated apparatus for producing power signals with stepped-up voltage levels by selectively discharging the multiple cells. The system includes a plurality of discharging cells preferab...
11/26/2002
6387553Pulse battery having an electrode with at least two electroactive materials
A battery power supply has a primary battery to provide long service life and a secondary battery to provide short instantaneous power pulses required by loads with variable duty cycles and puslatile load profiles such as digital cellular phones. The prim...
05/14/2002
6096447Phosphonate additives for nonaqueous electrolyte in alkali metal electrochemical cells
An alkali metal, solid cathode, nonaqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of at l...
08/01/2000
6060184Inorganic and organic nitrate additives for nonaqueous electrolyte in alkali metal electrochemical cells
An alkali metal, solid cathode, nonaqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of at l...
05/09/2000
6027827Organic nitrite additives for nonaqueous electrolyte in alkali metal electrochemical cells
An alkali metal, solid cathode, nonaqueous electrochemical cell capable of delivering high current pulses, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by the addition of at l...
02/22/2000
5916699Hybrid energy storage system
An energy storage system (10) including a first energy storage device (12), such as a secondary or rechargeable battery, and a second energy storage device (14), such as a capacitor, fuel cell, or flywheel. The second energy storage device provides interm...
06/29/1999
5848985Skin-contact type medical treatment apparatus
A skin-contact type medical treatment apparatus has a first conductive member having a contact surface made of single metal or alloy and a second conductive member having a contact surface made of semiconductor. The standard single-electrode potential of ...
12/15/1998
5821006Hybrid cell/capacitor assembly for use in a battery pack
A hybrid cell/capacitor assembly (300) includes a battery cell (100) and a capacitor (200) formed into a thin rectangular sheet and having two leads (205, 210) extending therefrom. The capacitor (200) is wrapped around the battery cell (100) to form the h...
10/13/1998
5744258High power, high energy, hybrid electrode and electrical energy storage device made therefrom
A hybrid electrode for a high power, high energy, electrical storage device contains both a high-energy electrode material (42) and a high-rate electrode material (44). The two materials are deposited on a current collector (40), and the electrode is used...
04/28/1998
5738919Energy storage system
A hybrid energy storage system (10) including a first energy storage device (12), such as a secondary or rechargeable battery, and a second energy storage device (14), such as an electrochemical capacitor. The electrochemical capacitor provides intermitte...
04/14/1998
5670266Hybrid energy storage system
An energy storage system (10) including a first energy storage device (12), such as a secondary or rechargeable battery, and a second energy storage device (14), such as an electrochemical capacitor. The electrochemical capacitor provides intermittent ene...
09/23/1997
5616429alkali metal electrochemical cell exhibiting reduced voltage delay and method of manufacture
An alkali metal electrochemical cell capable of delivering high current pulses without exhibiting voltage delay, rapidly recovering its open circuit voltage and having high current capacity, is described. The stated benefits are realized by conditioning t...
04/01/1997
5587250Hybrid energy storage system
A hybrid energy storage system 10 including a first energy storage device 12, such as a secondary or rechargeable battery, and a second energy storage device 14, such as an electrochemical capacitor. The electrochemical capacitor provides intermittent ene...
12/24/1996
5451473Long life metal-air (battery and button cells therefor) cell having increased current pulse capability
A metal-air cell is disclosed that provides high currents on an intermittent basis to electrical loads connected thereto. In one embodiment of the present invention, a restrictive membrane is effectively supported by the bottom of the cathode can, and is ...
09/19/1995
5061578Electrolyte circulation type secondary battery operating method
A method of operating a secondary battery including a stack of secondary cells operable, in the presence of electrolytes, in a charge mode charging electrical power from a source of electrical power and in a discharge mode discharging the charge electrica...
10/29/1991
4857419Method of operating zinc-halogen secondary battery
In recharging a zinc-halogen secondary battery or battery, zinc dendrite is readily formed on the negative electrode and therefore it has been difficult to form a uniformly thick zinc layer on the negative electrode. This inevitably causes a short cyclic ...
08/15/1989
4434213Lithium anode
A lithium-organic electrolyte cell which is provided with an aluminum-magnesium alloy cladding on the lithium anode. The cladding provides a cell having improved pulse performance....
02/28/1984
4332864Primary electric cell having magnesium alloy anode
A magnesium alloy contains the following additives: A1 1-9%, Zn 0-4%, Sn 0.1-5%, Mn 0-1%. It is useful as an anode in cells operating with a salt water electrolyte, especially in batteries powering equipment for deep-sea use in which a pulsed power source...
06/01/1982
 
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