[특허]Lightweight, durable lead-acid batteries

[미국특허] Lightweight, durable lead-acid batteries 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-004/14 H01M-004/16
출원번호	US-0185650 (2011-07-19)
등록번호	US-8445138 (2013-05-21)
발명자 / 주소	Lara-Curzio, Edgar An, Ke Kiggans, Jr., James O. Dudney, Nancy J. Contescu, Cristian I. Baker, Frederick S. Armstrong, Beth L.
출원인 / 주소	UT-Battelle LLC
대리인 / 주소	Quarles & Brady LLP
인용정보	피인용 횟수 : 0 인용 특허 : 51

초록 ▼

A lightweight, durable lead-acid battery is disclosed. Alternative electrode materials and configurations are used to reduce weight, to increase material utilization and to extend service life. The electrode can include a current collector having a buffer layer in contact with the current collector and an electrochemically active material in contact with the buffer layer. In one form, the buffer layer includes a carbide, and the current collector includes carbon fibers having the buffer layer. The buffer layer can include a carbide and/or a noble metal selected from of gold, silver, tantalum, platinum, palladium and rhodium. When the electrode is to be used in a lead-acid battery, the electrochemically active material is selected from metallic lead (for a negative electrode) or lead peroxide (for a positive electrode).

대표청구항 ▼

1. An electrode for an electrochemical cell, the electrode comprising: a current collector comprising carbon fibers having a buffer layer in contact with the carbon fibers, the buffer layer comprising a noble metal selected from the group consisting of gold, silver, tantalum, platinum, palladium, rhodium and mixtures thereof, wherein some or all of the carbon fibers have a layer of an electrochemically active material in contact with the buffer layer,wherein the buffer layer has a thickness from about 0.5 to about 10 microns. 2. An electrode for an electrochemical cell, the electrode comprising: a current collector comprising carbon fibers having a buffer layer in contact with the carbon fibers, the buffer layer comprising a noble metal selected from the group consisting of gold, silver, tantalum, platinum, palladium, rhodium and mixtures thereof, wherein some or all of the carbon fibers have a layer of an electrochemically active material in contact with the buffer layer,wherein the layer of electrochemically active material has a thickness from about 0.5 to about 10 microns.

이 특허에 인용된 특허 (51) 인용/피인용 타임라인 분석

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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Lightweight, durable lead-acid batteries 원문보기