Sekundärbatterie und Herstellungsverfahren dafür

Details

Veröffentlichungs-Nr.

EP4358169

Aktenzeichen

EP23202875

Anmeldetag

11. Oktober 2023

Veröffentlichung

5. Juni 2024

Rechtsraum

EP

IPC

H01M4/04H01M4/46H01M4/134H01M4/136H01M4/1395H01M4/1397H01M4/38H01M4/40H01M4/58H01M10/0525H01M10/0562

Abstract

Disclosed is a secondary battery comprising a metallic lithium negative electrode and having excellent coulombic efficiency. The secondary battery of the present disclosure comprises a positive electrode active material layer, a solid electrolyte layer, and a negative electrode active material layer, wherein the negative electrode active material layer comprises a first substance and a second substance, wherein the first substance is at least one of an alloy of Li and an element X and a compound of Li and the element X; the second substance is at least one of a simple substance of a metal element M, an alloy of Li and the metal element M, and a compound of Li and the metal element M; and a formation energy E<LiX> of the first substance is lower than a formation energy E<MX> of the compound of the metal element M and the element X.

Anmelder

Firma

TOYOTA JIDOSHA KABUSHIKI KAISHA

Land

🇯🇵 Japan

Fachgebiete