[특허]Pre-compressed glass fiber separators for batteries

[미국특허] Pre-compressed glass fiber separators for batteries 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-002/16
출원번호	US-0287081 (1994-08-08)
발명자 / 주소	Zguris George C. (Canterbury NH) Harmon Jr. Frank C. (Ayer MA)
출원인 / 주소	Hollingsworth & Vose Company (East Walpole MA 02)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

A substantially binder-free glass fiber separator, especially for valve regulated (“sealed”) lead acid batteries is disclosed. The separator has a reduced thickness and temporarily inhibited resiliency. A substantially binder-free glass fiber web having a given thickness is wetted with a controlled amount of liquid and compressed to a substantially reduced thickness and the liquid suppresses the natural resiliency of the glass fiber separator so that it will have a substantially reduced thickness when the compression is released. The amount of liquid required to suppress the resiliency of the glass fiber separator is substantially less than the minimum amount of the portion of electrolyte which would be carried in the separator in a finished cell. When sufficient electrolyte is added to the moistened, reduced thickness separator, its resiliency is substantially restored and it will expand or, if confined within a cell stack within a case, it will try to expand, thereby placing the confined cell stack components under compression. The separator can be wetted and compressed in a battery manufacturing line or a glass fiber web can be compressed, before all of the liquid is removed from the web. The reduced thickness of the separator makes it easier to insert a cell stack containing the separator into a battery case and the restoration of the resiliency when electrolyte is put into the case ensures that there will be the degree of compression needed for good performance of a VRLA battery.

대표청구항 ▼

A sheet useful as a separator in a valve regulated lead acid battery comprising a case containing the separator, at least one positive plate, at least one negative plate and an amount of electrolyte which is absorbed in the separator in the valve regulated lead acid battery, said sheet comprising glass fibers formed into a resilient web having a first thickness, when dry, and an amount of resiliency suppressing liquid carried in said web, said amount being substantially less than the amount of electrolyte which is absorbed in the separator in the valve regulated lead acid battery, wherein said web containing said resiliency suppressing liquid has been compressed and wherein the amount of resiliency suppressing liquid carried in said web is controlled so that it is operable, when the compression is released, to suppress the resiliency of the web to maintain said web at a second thickness which is at least ten percent less than said first thickness, said sheet being operable, when placed in the battery case with the at least one negative plate and the at least one positive plate, and exposed to said amount of electrolyte, to expand in thickness and increase the pressure between the separator and the plates.

이 특허를 인용한 특허 (37) 인용/피인용 타임라인 분석

Israel, Joseph; Dunn, Eugene; Dema, Keh B.; Kojetin, Paul; Rogers, Robert M.; Keating-Klika, Lorraine, Aerosol separator.
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Rogers, Robert M.; Kahlbaugh, Brad E.; Kojetin, Paul L.; Dema, Keh B., Aerosol separator; and method.
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Rogers, Robert; Kahlbaugh, Brad; Kojetin, Paul; Dema, Keh, Aerosol separator; and method.
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Vutetakis David G. ; Cestone Christopher R. ; Wilkie Stanley K., Battery cell construction including fiberous mat separator.
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Vutetakis, David G.; Cestone, Christopher R.; Wilkie, Stanley K., Battery cell tray assembly and sytem.
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Zguris, George C.; Ferreira, Antonio L., Battery paste.
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Samii Abbas (Belmont MA) Choi Wai M. (West Newton MA), Battery separator with sodium sulfate.
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Keisler, Randall B.; Silin, Maxim; Wertz, John A., Battery separators with controlled pore structure.
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Vutetakis David G. ; Cestone Christopher R. ; Wilkie Stanley K., Compressed battery system for motive power applications.
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Hoffman, Roderick L; Holliday, Rex W; Connell, Jason E, Element sleeve for a battery.
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Gupta, Hemant, Fibrous media.
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Zguris George C. ; Harmon ; Jr. Frank C., Filled Glass fiber separators for batteries and method for making such separators.
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Adamek, Daniel E.; Cappuyns, Jan; Moreau, Egide Emmanuel Paul Baudry; Ouyang, Ming; Rogers, Robert M., Filter element and method.
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Dema, Keh B.; Olson, Linda M., Filter media and structure.
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Rogers, Robert M.; Dema, Keh B., Filter medium and breather filter structure.
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Rogers, Robert M.; Dema, Keh B., Filter medium and breather filter structure.
상세보기
Rogers, Robert M.; Dema, Keh B., Filter medium and breather filter structure.
상세보기
Rogers, Robert M.; Dema, Keh B.; Kahlbaugh, Brad E.; Olson, Linda M.; Yang, Chuanfang; LaVallee, Gregory L.; Sporre, Timothy D.; Israel, Joe; Kojetin, Paul L.; Jones, Derek O.; Madden, Michael A., Filter medium and breather filter structure.
상세보기
Webb, David M.; Carlson, David E.; Rogers, Robert M; Dema, Keh B., Filter medium and breather filter structure.
상세보기
Kahlbaugh,Brad E.; Dema,Keh B.; Olson,Linda M., Filter medium and structure.
상세보기
Kahlbaugh,Brad E.; Dema,Keh B.; Olson,Linda M., Filter medium and structure.
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Rogers, Robert M.; Dema, Keh B., Filter medium and structure.
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Israel, Joseph; Dunn, III, Eugene F; Joriman, Jon D; Exley, Jeremy T; Dallas, Andrew, Formed filter element.
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Zguris, George C.; Ferreira, Antonio L., Glass fibers.
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Dema, Keh B.; Olson, Linda M., High strength, high capacity filter media and structure.
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David M. Spillman ; Esther S. Takeuchi, High temperature lithium oxyhalide electrochemical cell.
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Purushothama Rao, Lead-acid separators and cells and batteries using such separators.
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Gupta, Hemant; Kahlbaugh, Brad E., Method and apparatus for forming a fibrous media.
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Gupta, Hemant; Kahlbaugh, Brad E., Method and apparatus for forming a fibrous media.
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Gupta, Hemant; Kahlbaugh, Brad E., Method for forming a fibrous media.
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Vutetakis David G. ; Cestone Christopher R. ; Wilkie Stanley K., Method for making valve-regulated lead acid battery with vacuum draw down.
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Haley, Glenn; Gaul, David J.; Pellegrin, Michael T., Method of forming a web from fibrous material.
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Werner Nitsche DE; Norbert Lahme DE; Gunter Sassmannshausen DE, Method of producing separator materials.
상세보기
Reher,Ronald D.; Windisch,John D.; Russell,Steven J., Methods of modifying fibers.
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Reher,Ronald D.; Windisch,John D.; Russell,Steven J.; Zguris,George C.; Ferreira,Antonio L., Methods of modifying fibers.
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Forte Don August ; Rumiesz ; Jr. Joseph ; Cusick Michael John ; Martin Phillip Charles, Resilient battery separator media and a battery including the resilient separator media.
상세보기
Coon, Larry K.; Zguris, George; Svoboda, Patrick, Vibrationally compressed glass fiber and/or other material fiber mats and methods for making the same.
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[미국특허] Pre-compressed glass fiber separators for batteries 원문보기