There is provided a lithium secondary battery with a negative electrode which comprises a negative electrode active material layer comprising alloy particles comprising silicon and tin and having an average particle diameter of 0.05 to 2 .mu.m as an active material, and a negative electrode current collector, wherein the negative electrode active material layer has a storage capacity of 1,000 to 2,200 mAh/g and a density of 0.9 to 1.5 g/cm.sup.3 and which thereby has a high capacity and a good cycle-characteristic. Thus, a lithium secondary battery having a high capacity and a long life and so designed as to exhibit these characteristics at the same time is provided.

 
Web www.patentalert.com

< Method of improving fuel cell performance by removing at least one metal oxide contaminant from a fuel cell electrode

> Nonaqueous electrolyte and lithium secondary battery employing the same

> Ionic conductor, process for production thereof, and electrochemical device

~ 00541