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WO2013036226A1 - Dispositif de désulfatation - Google Patents

Dispositif de désulfatation Download PDF

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Publication number
WO2013036226A1
WO2013036226A1 PCT/US2011/050774 US2011050774W WO2013036226A1 WO 2013036226 A1 WO2013036226 A1 WO 2013036226A1 US 2011050774 W US2011050774 W US 2011050774W WO 2013036226 A1 WO2013036226 A1 WO 2013036226A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
desulfation
voltage
lead
control circuitry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2011/050774
Other languages
English (en)
Inventor
Jr. Daniel C. BIGGS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUNMING DIBOO TECHNOLOGY Co Ltd
Canadus Power Systems LLC
Original Assignee
KUNMING DIBOO TECHNOLOGY Co Ltd
Canadus Power Systems LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KUNMING DIBOO TECHNOLOGY Co Ltd, Canadus Power Systems LLC filed Critical KUNMING DIBOO TECHNOLOGY Co Ltd
Priority to PCT/US2011/050774 priority Critical patent/WO2013036226A1/fr
Publication of WO2013036226A1 publication Critical patent/WO2013036226A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4242—Regeneration of electrolyte or reactants
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
    • H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
    • H01M2250/40—Combination of fuel cells with other energy production systems
    • H01M2250/407—Combination of fuel cells with mechanical energy generators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

Definitions

  • the present application is directed to electronic desulfation devices and, more particularly, to systems and methods for charging and electronically desulfating batteries.
  • radio frequency energy such as radio frequency energy
  • Typical electronic desulfation devices are powered by the battery string or charging system they are connected to and utilize a two wire system, connected across the entire battery string, to both power the electronic circuitry and deliver the desulfation energy.
  • Two wire, electronic desulfation devices that are connected to a battery string with a charging voltage that can exceed the maximum operating voltage of the control circuitry consisting of individual electronic circuits, typically digital circuits, require a power supply to lower the voltage supplied by the battery string to a level below the control circuit's maximum operating voltage in order to power and protect this electronic circuitry.
  • the disclosed electronic battery desulfation system may include a battery string, an electronic desulfation device comprising control circuitry with a maximum operating voltage, a source of desulfation energy, a negative lead, a high voltage positive lead, wherein the desulfation device supplies desulfation energy to the battery string, and a low voltage positive lead, wherein the negative lead and the high voltage positive lead are connected to the battery string to provide a voltage higher than the maximum operating voltage of the control circuitry and the low voltage positive lead is connected to a point along the series string to provide a higher voltage than the negative lead and a lower voltage than the maximum operating voltage of the control circuitry.
  • the disclosed system can provide the required voltages to operate the desulfation device without requiring the use of an internal power supply.
  • the disclosed electronic battery desulfation system may include a battery string, an electronic desulfation device comprising control circuitry with a maximum operating voltage, a source of desulfation energy, a negative lead, a high voltage positive lead and a low voltage positive lead, wherein the negative lead and the high voltage positive lead are connected to the battery string to provide a voltage higher than the maximum operating voltage of the control circuitry and the low voltage positive lead is connected to a point along the series string to provide a higher voltage than the negative lead and a lower voltage than the high voltage positive lead, wherein the desulfation device supplies desulfation energy to the battery string.
  • the disclosed system can provide the required voltages to operate the desulfation device with a power supply that is operating from a lower voltage than the high voltage positive lead.
  • a battery powered vehicle containing a battery desulfation system includes a battery string comprising a plurality of batteries, each battery including a positive terminal and a negative terminal and a desulfation device that supplies desulfation energy to the battery string.
  • the desulfation device includes control circuitry having a maximum operating voltage, a source of desulfation energy, a negative lead, a high voltage positive lead and a low voltage positive lead, wherein the negative lead is connected to the negative terminal of a first battery and the high voltage positive lead is connected to the positive terminal of a second battery to provide a voltage higher than the maximum operating voltage of the control circuitry.
  • the low voltage positive lead is connected to the positive terminal of the first battery to provide a higher voltage than the negative lead and a lower voltage than the high voltage positive lead.
  • the electronic battery desulfation system disclosed herein is used in conjunction with a vehicle.
  • vehicles include, but are not limited to, battery powered scooters, electric bicycles, battery powered golf carts, and utility vehicles.
  • the vehicle may contain a combustion engine or a fuel cell.
  • FIG. 1 is a block diagram of a first aspect of the disclosed battery desulfation system without a power supply, wherein the pulsation device comprises a three wire connection to a battery string with three batteries; and
  • FIG. 2 is a block diagram of a second aspect of the disclosed battery desulfation system with a power supply, wherein the pulsation device comprises a three wire connection to a battery string with three batteries.
  • one embodiment of the disclosed electronic battery desulfation system may be used to provide an energy efficient battery bank.
  • the system 10 includes a desulfation device 12 capable of providing desulfation energy and a battery string 14 having a plurality of cells 16.
  • a battery string is illustrated in to FIG. 1 consisting of three batteries each with a plurality of cells connected in series.
  • the term battery is used when multiple cells are manufactured as a single unit. In some cases, the terms cell and battery may be used interchangeably. Any number of cells or batteries can be used to provide the desired voltage for the string.
  • Each of the cells in the string 14 may be connected in series to define a positive end 18 and a negative end 20 of the string 14.
  • the cells 16 of the battery string 14 may be any appropriate electro-chemical cells, particularly rechargeable electro-chemical cells, and may include positive 22 and negative terminals 24 interconnected in series and may be made up of multiple cells to form a single battery.
  • the battery string 14 may include individual cells connected in series or multiple batteries connected in series through interconnects 25.
  • the cells 16 of the string 14 may be lead-acid cells, such as flooded lead-acid battery cells.
  • the cells 16 may have a cell voltage such that the voltage of the string 14 may be calculated by multiplying the number of cells 16 in the string 14 by the cell voltage. For example, when the cell voltage is 2 volts and there are 18 cells in the string, the string 14 has a voltage of 36 volts.
  • the electronic desulfation device 12 includes control circuitry 26 with a maximum operating voltage, a source of desulfation energy 28, a negative lead 30, a high voltage positive lead 32 and a low voltage positive lead 34.
  • the sources of desulfation energy 28 may be a desulfation device or any other appropriate assemblies or apparatus having circuitry or other appropriate components configured to deliver desulfation energy, possibly high-frequency voltage and current delivered to the associated battery cells in pulses.
  • the desulfation device may deliver voltage and current at a rate of about 10,000 cycles per second.
  • Electronic desulfation devices such as pulsation devices are available from Canadus Power Systems of Cleveland, Ohio and are described in greater detail in U.S. Patent No. 5,648,714 to Eryou et al, the entire contents of which are incorporated herein by reference.
  • the desulfation device 12 typically includes control circuitry 26 adapted to facilitate the generation and communication of desulfation energy, such as radio frequency (RF) energy, to the battery.
  • the control circuitry may be a digital circuit, processor, a control unit (e.g., an electronic control unit) or the like.
  • the control circuitry 26 may control the amplitude and/or frequency of the desulfation energy being supplied to the battery as well as when the desulfation energy is applied to the battery 16.
  • the control circuitry 26 may have circuits protecting it against reverse polarity connections or incorrect installation.
  • the control circuitry in a desulfation device typically has a maximum operating voltage.
  • devices based on CMOS technology may have a maximum operating voltage of 18 volts.
  • the electronic desulfation device system disclosed herein provides a mechanism for providing a voltage of less than 18 volts even if the battery string voltage is over 18 volts by utilizing the described three wire connection between the desulfation device and the battery string.
  • desulfation device 12 may be connected to battery 16i at the negative end 20 of the battery string 14 and connected to battery I6 3 at the positive end 18 of the battery string.
  • Desulfation device 12 may include a negative lead line 30 connected to the negative terminal 24 of battery I61, a low voltage positive lead line 34 connected to the positive terminal 22 of battery I6 1 and a high voltage positive lead line 26 connected to the positive terminal of battery I6 3 . Therefore, the desulfation device 12 may receive the required operating voltage from the battery I6 1 which is maintained below the maximum operating voltage of the control circuitry 26 in the desulfation device 12. As such, the control circuitry's positive supply requirements may be powered from the low voltage positive lead 34.
  • the desulfation device 12 may be connected to other cells in the battery string 14 provided the voltage to power the control circuitry 26 from the negative lead line 30 to the low voltage positive lead line 34 from the cell or cells is below the maximum operating voltage of the control circuitry.
  • the disclosed system can function without requiring a separate internal power supply to power and protect the control circuitry in the desulfation device. Therefore, the unit can be smaller, more energy efficient and more reliable than units requiring an additional power supply.
  • the desulfation device may be connected to other cells in the battery string 14 provided the voltage to power the control circuitry from the negative lead line 30 and low voltage positive lead line 34 is below the voltage of the high voltage lead line 32.
  • This voltage may be greater than the maximum voltage of the control circuitry and thereby require a power supply 36, but by doing so the disclosed system can function with a power supply that is operating at a lower voltage than the high voltage lead line 32 with respect to the low voltage lead line 34.
  • the power supply 36 is a linear type. Therefore, the unit can be smaller, more energy efficient and more reliable than units requiring a power supply operating from the high voltage lead line 32 or from full voltage of the battery string.
  • connections could be located at various points along the battery string such as the interconnect 25 between cells or batteries or an adjacent battery terminal with a direct electrical connection to a particular terminal.
  • the battery string is made up of 5 - 12 volt batteries in series for a total nominal voltage of 60 Volts.
  • control circuitry Conventional desulfation units with only two wires would need some form of power supply, switching power supply, DC to DC converter, Linear Voltage Regulator, Zener Diode, or the like to power and protect the control circuitry by limiting the maximum voltage of the control circuitry, possibly digital circuitry, or individual components.
  • the maximum voltage of this control circuitry would typically be a voltage less than 20V depending on the technology used.
  • the 3 wire desulfation device of the present example takes advantage of the voltage of the first battery in the string. With a maximum voltage of 13.8 volts the digital electronics, CMOS in this case, can be powered directly from this power source, the first battery in a larger string. No power supply is required and therefore it can run at 100% efficiency. Additionally, without the power supply there are no additional components, so the board can be smaller than the other two options.
  • the three wire desulfation device is the least expensive and most efficient solution. Because there are less components and less heat from greater efficiency this unit should also prove to be more reliable that the first two options.
  • the battery string is made up of 4 - 16 volt batteries in series for a total nominal voltage of 64 Volts.
  • control circuitry Conventional desulfation units with only two wires would need some form of power supply, switching power supply, DC to DC converter, Linear Voltage Regulator, Zener Diode, or the like to power and protect the control circuitry by limiting the maximum voltage of the control circuitry, possibly digital circuitry, or individual components.
  • the maximum voltage of this control circuitry would typically be a voltage less than 20V depending on the technology used.
  • An efficiency of 78% puts it in a range comparable with a switching power supply.
  • a switching power supply would likely be much more costly and take up considerably more board space. Therefore the three wire desulfation can be advantageous even when the lowest available voltage, due to the battery string configuration, is above the maximum operating voltage of individual components such as digital components.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention porte sur un système de désulfatation de batteries électroniques comprenant une chaîne de batteries, un dispositif de désulfatation, une source d'énergie de désulfatation, un conducteur négatif, un conducteur positif de tension haute et un conducteur positif de tension basse, le conducteur négatif et le conducteur positif de tension haute étant connectés à la chaîne de batteries afin de produire une tension supérieure à la tension de fonctionnement maximale de la circuiterie de commande du dispositif de désulfatation et le conducteur positif de tension basse étant connecté à un point le long de la chaîne en série afin de produire une plus haute tension que le conducteur négatif et une plus basse tension que le conducteur positif de tension haute, le dispositif de désulfatation fournissant de l'énergie de désulfatation à la chaîne de batteries. Le système décrit peut fournir les tensions requises pour fonctionner même sans nécessiter l'utilisation d'une alimentation interne ou avec une alimentation qui fonctionne à une plus basse tension que le conducteur positif de tension haute. Des véhicules comprenant le système de désulfatation sont également décrits.
PCT/US2011/050774 2011-09-08 2011-09-08 Dispositif de désulfatation Ceased WO2013036226A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2011/050774 WO2013036226A1 (fr) 2011-09-08 2011-09-08 Dispositif de désulfatation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2011/050774 WO2013036226A1 (fr) 2011-09-08 2011-09-08 Dispositif de désulfatation

Publications (1)

Publication Number Publication Date
WO2013036226A1 true WO2013036226A1 (fr) 2013-03-14

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PCT/US2011/050774 Ceased WO2013036226A1 (fr) 2011-09-08 2011-09-08 Dispositif de désulfatation

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103928722A (zh) * 2014-05-06 2014-07-16 常蓬彬 一种铅酸蓄电池多线制正向尖脉冲在线除硫装置
CN104518248A (zh) * 2014-10-23 2015-04-15 方占兵 纳米碳溶胶铅酸蓄电池去硫化修复液

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080011528A1 (en) * 2006-07-14 2008-01-17 Gm Global Technology Operations, Inc. Vehicular Electrical System and Control Method Therefor
US20090278489A1 (en) * 2008-04-18 2009-11-12 Railpower Technologies Corp. Lossless dynamic battery equalizer system and method
US20100013439A1 (en) * 2008-07-18 2010-01-21 Roger Altman System and Method for Applying Pulsation Energy to Online Battery Backup Systems
US20110163700A1 (en) * 2010-01-06 2011-07-07 Putting Around, Inc. Methods and systems related to desulfation of a battery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080011528A1 (en) * 2006-07-14 2008-01-17 Gm Global Technology Operations, Inc. Vehicular Electrical System and Control Method Therefor
US20090278489A1 (en) * 2008-04-18 2009-11-12 Railpower Technologies Corp. Lossless dynamic battery equalizer system and method
US20100013439A1 (en) * 2008-07-18 2010-01-21 Roger Altman System and Method for Applying Pulsation Energy to Online Battery Backup Systems
US20110163700A1 (en) * 2010-01-06 2011-07-07 Putting Around, Inc. Methods and systems related to desulfation of a battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103928722A (zh) * 2014-05-06 2014-07-16 常蓬彬 一种铅酸蓄电池多线制正向尖脉冲在线除硫装置
CN104518248A (zh) * 2014-10-23 2015-04-15 方占兵 纳米碳溶胶铅酸蓄电池去硫化修复液

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