Silver manganese oxide electrodes for lithium batteries

Details Silver manganese oxide electrodes for lithium batteries Silver manganese oxide electrodes for lithium batteries

2006-05-09

2006-05-09

Yuan, Dah-Wei (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S218100, C429S224000

Reexamination Certificate

active

07041414

ABSTRACT:
This invention relates to electrodes for non-aqueous lithium cells and batteries with silver manganese oxide positive electrodes, denoted AgxMnOy, in which x and y are such that the manganese ions in the charged or partially charged electrodes cells have an average oxidation state greater than 3.5. The silver manganese oxide electrodes optionally contain silver powder and/or silver foil to assist in current collection at the electrodes and to improve the power capability of the cells or batteries. The invention relates also to a method for preparing AgxMnOyelectrodes by decomposition of a permanganate salt, such as AgMnO4, or by the decomposition of KMnO4or LiMnO4in the presence of a silver salt.

REFERENCES:
patent: 3977899 (1976-08-01), Takeda
patent: 6221530 (2001-04-01), Turner et al.
patent: 2003/0008210 (2003-01-01), Licht
patent: 2003/0124422 (2003-07-01), Cintra et al.

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