Non-aqueous electrolyte secondary battery and method of producin

Details Non-aqueous electrolyte secondary battery and method of producin Non-aqueous electrolyte secondary battery and method of producin

1994-03-03

1996-04-09

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429197, 429221, 429223, 429224, 429225, H01M 448

Patent

active

055060757

ABSTRACT:
A non-aqueous electrolyte secondary battery has a negative electrode, a positive electrode and a non-aqueous electrolyte with lithium ion conductivity. A composite oxide containing lithium represented by composition formula Li.sub.x Si.sub.1-y M.sub.y O.sub.z (where M is one or more kinds of elements selected from metals other than alkaline metals, and metalloids other than silicon, and x, y and z satisfy O.ltoreq.x, 0<y<1, and 0<z<2) is used as an active material for the negative electrode. The battery exhibits a negative active material with a lower and baser potential and a large charging/discharging capacity to produce a long cycle service life secondary battery which facilitates a large current charging and discharging and reduces deterioration due to excess charging and excess discharging.

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