[특허]High discharge capacity lithium battery

[미국특허] High discharge capacity lithium battery 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-006/10
출원번호	US-0706968 (2010-02-17)
등록번호	US8007940 (2011-08-15)
발명자 / 주소	Marple, Jack W. Wemple, Michael W.
출원인 / 주소	Eveready Battery Company, Inc.
대리인 / 주소	Robert C., Baraona
인용정보	피인용 횟수 : 0 인용 특허 : 46

초록 ▼

A lithium/iron disulfide electrochemical battery cell with a high discharge capacity. The cell has a lithium negative electrode, an iron disulfide positive electrode and a nonaqueous electrolyte. The iron disulfide of the positive electrode has a controlled average particle size range which allows the electrochemical cells to exhibit desired properties in both low and high rate applications. In various embodiments, the iron disulfide particles are wet milled, preferably utilizing a media mill or milled utilizing a non-mechanical mill such as a jet mill, which reduces the iron disulfide particles to a desired average particle size range for incorporation into the positive electrode.

대표청구항 ▼

What is claimed is: 1. A process for preparing a cathode, comprising the steps offorming a slurry comprising a wetting agent and iron disulfide particles having a mean diameter of a volume distribution of the iron disulfide particles that is greater than 20 μm,milling the slurry utilizing a media mill comprising grinding media to reduce the mean diameter of the volume distribution of the iron disulfide particles to between 1 to 19 um,applying the milled cathode slurry to a cathode substrate to form a cathode, anddrying the cathode.

이 특허에 인용된 특허 (46) 인용/피인용 타임라인 분석

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[미국특허] High discharge capacity lithium battery 원문보기