Sekundärbatterie mit Nichtwässrigem Elektrolyten

Details

Veröffentlichungs-Nr.

EP4804270

Anmeldetag

7. November 2024

Veröffentlichung

14. August 2025

Rechtsraum

EP

Abstract

A non-aqueous electrolyte secondary battery (1) includes a positive electrode (10) containing a lithium manganese oxide (LMO) as a positive electrode active material, a negative electrode (20) containing lithium (Li) and SiO_X (0 ≤ X < 2) as a negative electrode active material, and an electrolyte solution (50) containing an organic solvent and a supporting salt. A capacity balance represented by a capacity of the negative electrode and a capacity of the positive electrode {negative electrode capacity (mAh)/positive electrode capacity (mAh)} is in a range of 1.56 to 2.51. A molar ratio (Li/SiOx) of the lithium (Li) to the SiO_X (0 ≤ X < 2) in the negative electrode active material is in a range of 3.8 to 4.9. A molar ratio (Li/LMO) of the lithium (Li) to the lithium manganese oxide (LMO) is 8.0 or less.

Anmelder

Firma

Seiko Instruments Inc.

Land

🇯🇵 Japan