Patent · US Active

High energy lithium ion secondary battery with improved lifetime and energy density

US10714747B2 · kind B2 · utility

1Cited by

0References

13Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Sung Jin Kim · Suwon-si, KR
Georg Steinhoff · Unterhaching, DE
Peter Lamp · Landsberg am Lech, DE
Yang-Kook Sun · Seoul, KR

Key dates

Filing date	Dec 16, 2016
Grant date	Jul 14, 2020
Priority date	—
Expiry date	Oct 1, 2037

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/70
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A high energy density lithium-ion rechargeable battery cell is provided which includes an anode material containing a carbon-nanotube (CNT)-Si composite and a cathode material containing a core-shell gradient and/or concentration gradient nickel-based lithium metal oxide.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.