Lithium secondary battery

Details Lithium secondary battery Lithium secondary battery

H - Electricity

01

M

H01M 4/02 (2006.01) H01M 4/04 (2006.01) H01M 4/48 (2010.01) H01M 4/64 (2006.01)

Patent

CA 2752310

A lithium secondary battery (10) provided by the present invention has an iron oxide film-coated electrode employing a configuration in which an iron oxide film (144) capable of reversibly absorbing and desorbing lithium is retained on an electrically conductive base (142). The electrically conductive base (142) has a roughened surface having a surface roughness Rz of 3 µm or more, and the iron oxide film (144) is provided on the roughened surface.

L'invention concerne une batterie secondaire au lithium (10) comprenant une électrode munie d'un film d'oxyde de fer, qui est une structure dans laquelle un film d'oxyde de fer (144) apte à l'absorption et à la désorption du lithium est supporté par une base conductrice (142). La base conductrice (142) présente une surface rugueuse d'une rugosité de surface Rz atteignant au moins 3 µm, et le film d'oxyde de fer (144) est formé sur la surface rugueuse.

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