Work

Oxygen-vacancy-abundant amorphous layer and Dual-doping strategy enabling superior electrochemical performance in Li-rich materials

Year: 2025

Type: conference-paper

Abstract: To meet the rapid development demands of high-energy Li-ion batteries, this paper presents a strategy for a Co- and Ni-free single-crystal Li-rich cathode via a high-speed temperature rise sintering method. By constructing an oxygen-vacancy-abundant amorphous layer on the surface and inducing dual-ion doping in the bulk phase, this research aims to optimize the irreversible oxygen loss, voltage decay, and poor cycling stability of single-crystal Li-rich Mn-based materials. Testing results indicate that the prepared material exhibits an initial discharge capacity of 342.1 mAh g−1 and capacity retention of 76.2% after 800 cycles, and the gas generation and voltage decay are also significantly reduced.

Source: Journal of Physics Conference Series

DOI: 10.1088/1742-6596/2961/1/012008

Author: Deyuan Liu

Institution: University of Electronic Science and Technology of China

Language: English

Topic: Advancements in Battery Materials

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

SDG: Affordable and clean energy

Open Access status: diamond

OpenAlex ID: W4407768872

FWCI:

Cites: 8

Cited by:

Related to: 10