Sekundärbatterie mit Wasserfreiem Elektrolyt

Details

Veröffentlichungs-Nr.

EP3349288

Aktenzeichen

EP18151188

Anmeldetag

11. Januar 2018

Veröffentlichung

24. Juli 2019

Erteilung

24. Juli 2019

Rechtsraum

EP

IPC

H01M10/0525H01M10/0569

Abstract

The present teaching provides a non-aqueous electrolyte secondary battery provided with a non-aqueous electrolyte solution having a composition able to achieve high battery performance even in an extremely low temperature region (for example, -30°C or lower). The non-aqueous electrolyte solution disclosed herein contains, as non-aqueous solvents, ethylene carbonate (EC), propylene carbonate (PC), dimethyl carbonate (DMC), ethyl methyl carbonate (EMC) and ethyl propionate (EP), and when the total volume of the non-aqueous solvents is 100 vol.%, the content of EC is 20 to 30 vol.%; the content of PC is 5 to 10 vol.%; the content of EP is 5 to 10 vol.%; and the content of DMC+EMC is 50 to 70 vol.%.

Anmelder

Firma

TOYOTA JIDOSHA KABUSHIKI KAISHA

Land

🇯🇵 Japan

Fachgebiete