[특허]Method to fabricate a reliable electrical storage device and the device thereof

Method to fabricate a reliable electrical storage device and the device thereof 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01G-007/00
출원번호	US-0947294 (1992-09-18)
발명자 / 주소	Tong Robert R. (Sunnyvale CA) Poplett James M. (Cupertino CA) McEwen Alan B. (Palo Alto CA) Mason Gary E. (Sunnyvale CA) Goodwin Mark L. (Santa Cruz CA) Tsai K. C. (Saratoga CA) Anderson Ronald L. (L
출원인 / 주소	Pinnacle Research Institute, Inc. (Los Gatos CA 02)
인용정보	피인용 횟수 : 61 인용 특허 : 0

초록 ▼

The present invention relates to an improved method to produce an electrical storage device having useful characteristics such as higher charge density, small volume, long-term reliable charge/discharge cycles, low leakage current, and the like. The dry preunit has useful properties in that it can be stored for long periods prior to contact with a non-aqueous or aqueous electrolyte. When the electrode surfaces are contacted with a non-aqueous or aqueous electrolyte, the novel capacitors produced are useful as a portable power supply in applications such as in defibrillator, electrical vehicles, radiotelephones etc.

대표청구항 ▼

An improved method to produce a dry preunit of an electrical storage device for storage of electrical charge in a condition to have the electrode surfaces contacted with a non-aqueous or aqueous electrolyte to store electrical charge in a double layer manner, which method comprises: (a) preparing a thin in thickness substantially flat sheet of electrically conducting support material coated on each flat side with the same or different thin layer of a second electrically conducting material having a high surface area, optionally with the provision that both flat sides of the electrically conducting support is a sheet having the perimeter edge surfaces either: (i) having a thin layer of second electrically conducting material, (ii) are partly devoid of second electrically conducting material, or (iii) are devoid of second electrically conducting material; (b) creating an ion permeable or semipermeable space separator stable to the aqueous or non-aqueous electrolyte obtained by: (i) depositing substantially uniform in height groups of electrically insulating microprotrusions, on the surface of at least one side of the thin layer of second electrically conducting material, (ii) placing a thin precut ion permeable or semipermeable separator on one surface of the second electrically conducting material, or (iii) casting an ion permeable or semipermeable thin layer on the surface of at least one side of the electrically conducting material, or (iv) creating an air space as separator; (c) contacting the perimeter edge surface of one or both sides of the thin sheet of step (b) with one or more layers of synthetic organic polymer as a gasket material selected from the group consisting of a thermoplastic and a thermoset polymer; (d) placing on or within the gasket material and optionally across the thin sheet at least one cord of a different material in which the cord has a higher melting point (Tm) greater than the gasket polymer material and does not melt, flow, or permanently adhere to the gasket under the processing conditions; (e) producing a repeating layered stack of the thin flat articles of sheet coated with metal oxide and separator produced in step (d) optionally having the end sheets consisting of a thicker support; (f) heating the stack produced in step (e) at a temperature and applied pressure effective to cause the synthetic gasket material to flow, to adhere to, and to seal the edges of the stack creating a solid integral stack of layers of alternating electrically conductive sheet coated with second electrically conducting material and the ion permeable separator, optionally such that the gasket material creates a continuous integral polymer enclosure; (g) cooling the solid integral stack of step (f) optionally in an inert gas under slight pressure; and (h) removing the at least one cord of different material between each layer creating at least one opening between the layers of electrically conducting sheet coated with second electrically conducting material.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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Method to fabricate a reliable electrical storage device and the device thereof 원문보기

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Method to fabricate a reliable electrical storage device and the device thereof 원문보기

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연구과제 타임라인

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