[특허]Metal-air battery with an extended service life

[미국특허] Metal-air battery with an extended service life 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-004/00 H01M-002/00 H01M-002/10 H01M-002/12 H01M-010/48
출원번호	US-0105495 (2002-03-26)
발명자 / 주소	Liu, Jean Huang, Wayne
출원인 / 주소	Nanotek Instruments, Inc.
인용정보	피인용 횟수 : 18 인용 특허 : 22

초록 ▼

A battery comprising a control means and a plurality of metal-air cell assemblies that are electronically connected in parallel. Each cell assembly comprises a casing with a controllable air vent thereon and at least a metal-air cell inside the casing. The controllable air vent is closed during a battery storage period and is opened in response to a programmed signal in order to allow outside air or oxygen to enter the assembly through the air vent to activate the operation of the corresponding cell assembly. The control means, preferably including a sampling unit, a power control unit and a logic control unit, is capable of sensing the battery output voltage and sending programmed signals to open or close up the air vents at the same time or at different moments of time in a programmed fashion.

대표청구항 ▼

1. A battery comprising at least a first metal-air cell assembly and a second metal-air cell assembly electronically connected in parallel, whereinsaid first cell assembly comprises a first casing with a first controllable air vent thereon and at least a first metal-air cell inside said first casing, wherein said first controllable air vent is closed during a battery storage period and is opened in response to a first programmed signal in order to allow outside air or oxygen to enter said at least a first metal-air cell through said first air vent to activate operation of said first metal-air cell assembly;said second cell assembly comprises a second casing with a second controllable air vent thereon and at least a second metal-air cell inside said second casing, wherein said second controllable air vent is closed during a battery storage period and is opened in response to a second programmed signal in order to allow outside air or oxygen to enter said at least a second metal-air cell through said second air vent to activate operation of said second metal-air cell assembly; andcontrol means for sending programmed signals to open up said at least first and second vents at the same time or at different moments of time in a programmed fashion. 2. The battery as set forth in claim 1, wherein said first cell assembly comprises at least another electrochemical cell which is electronically connected in series or in parallel to said first metal-air cell. 3. The battery as set forth in claim 1, wherein said second cell assembly comprises at least another electrochemical cell which is electronically connected in series or in parallel to said second metal-air cell. 4. The battery as set forth in claim 2, wherein said another electrochemical cell is a metal-air cell. 5. The battery as set forth in claim 3, wherein said another electrochemical cell is a metal-air cell. 6. The battery as set forth in claim 1, wherein said first air vent and/or second air vent is closed when said battery is not in operation. 7. The battery as set forth in claim 1, wherein said first air vent or second air vent is equipped with an actuator means that operates to open or close said first air vent or said second air vent responsive to programmed signals from said control means. 8. The battery as set forth in claim 7, wherein said actuator means comprises an actuator element selected from the group consisting of a bi-metal device, a thermo-mechanical device, a piezo-electric device, a shape memory alloy, an electromagnetic element, or a combination thereof. 9. The battery as set forth in claim 1, wherein said control means comprises a sampling unit and a logic circuit to determine the timing at which an air vent is opened. 10. The battery as set forth in claim 1, wherein at least one of said controllable air vents is re-closeable and is re-closed responsive to a programmed signal from said control means. 11. The battery as set forth in claim 1, wherein at least said second controllable air vent is opened when a voltage output of said battery, when in use, drops below a predetermined low threshold voltage. 12. The battery as set forth in claim 10, wherein at least one of said controllable air vents is re-closed when a voltage output of said battery exceeds a predetermined high threshold voltage. 13. The battery as set forth in claim 1, wherein said programmed fashion comprises a mode of sequential timing at which said air vents are opened or closed in a predetermined sequential fashion. 14. The battery as set forth in claim 9, further comprising a power-control unit to regulate a power input to said logic control unit and wherein said power input is switched off to conserve battery power after said control unit determines that no opening or closing of any of said air vents is needed. 15. The battery as set forth in claim 1, further comprising a main casing to house said at least first and second cell assemblies. 16. The battery as set forth in claim 15, wherein said main casing comprises an air vent which is closed during an initial battery storage period and is opened manually to begin the operation of said battery.

이 특허에 인용된 특허 (22) 인용/피인용 타임라인 분석

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Rao Bhaskara M. L. (Flemington NJ), Deferred actuated battery assembly.
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Rao Bhaskara M. L. (Flemington NJ) Hamlen Robert P. (Bernardsville NJ), Deferred actuated battery assembly system.
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Pedicini Christopher S. (Marietta GA), Diffusion controlled air vent for a metal-air battery.
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Pedicini Christopher S. (Marietta GA) Thibault William C. (Powder Springs GA) Turner Chris A. (Chamblee GA) Tinker Lawrence A. (Woodstock GA), Dual air elecrtrode cell.
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Goldman Arnold J. (Jerusalem) Pecherer Eugeny (Netanya) Goldstein Jonathan (Jerusalem) Meitav Arieh (Rishon Lezion ILX), Electrical power storage apparatus.
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Harats Yehuda (Jerusalem ILX) Goldstein Jonathan R. (Jerusalem ILX), Electrochemical metal-air cell and electrically and mechanically rechargeable anodes for use therein.
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Korall Menachem J. (Jerusalem ILX) Harats Yehuda (Jerusalem ILX) Sassen Jonathan (Jerusalem ILX) Goldstein Jonathan R. (Jerusalem ILX), Mechanically rechargeable, electrochemical metal-air battery.
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Mathews John P. (Mississauga CAX) Smith Michael J. (Mississauga CAX), Metal-air battery having electrically operated air access vent cover.
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Przybyla ; Franciszek J. ; Smith ; Michael J., Metal-air depolarized cell having restricted gas passageway.
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Cretzmeyer John W. (Richfield MN) Espig Hans R. (Barrington IL), Metal/oxygen cells and method for optimizing the active life properties thereof.
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Lloyd Robert D. (Boca Raton FL) Dworkin David R. (Lawrenceville GA) Nguyen Tuan (Boca Raton FL), Method and apparatus for controlling the self-discharge rate of a battery.
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Rao Bhaskara M. L. (Flemington NJ) Halliop Wojciech (Kingston CAX), Process and apparatus for operating a deferred actuated battery.
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Rao Bhaskara M. L. (Flemington NJ) Kobasz William (Edison NJ), Process for forming an argentic oxide containing bipolar electrode and product produced thereby and deferred actuated ba.
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Appleby Anthony J. (Sevres FRX) Jacquelin Jean (Limours FRX), Rechargeable electrochemical system.
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Dworkin David R. (Lawrenceville GA) Lloyd Robert D. (Boca Baton FL) Nguyen Tuan (Boca Baton FL), Selective discharge limiting seal for a battery.
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Pedicini Christopher S. (Marietta GA) Thibault William Charles (Melrose FL) Turner Chris Anthony (Chamblee GA) Tinker Lawrence Andrew (Woodstock GA), Split anode for a dual air electrode cell.
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Faris Sades M. (24 Pocantico River Rd. Pleasantville NY 10570), Variable area dynamic battery.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Metal-air battery with an extended service life 원문보기