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Dear Colleagues,

Many efforts are currently being made to improve the energy density of Li-ion batteries throughout the development of new battery components, i.e., cathodes, anodes, electrolytes, and separators. The way to reach this goal is to move to nanostructured material because the larger surface to volume ratio of particles and the reduction of the electron and Li path length implies a larger specific capacity. Additionally, because of various safety issues with liquid electrolytes, their replacement in all-solid-state batteries has drawn new technology. Both theoretical and experimental papers, communications, and reviews related to optimized materials for all types of Li-ion batteries are welcome.

Dr. Alain Mauger
Dr. Christian M. Julien
Guest Editor

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Keywords

Li-ion batteries
Cathodes
anodes
Solid electrolytes
Separators
Safety

Published Papers (1 paper)

Review

46 pages, 6379 KiB

Open AccessReview

NCA, NCM811, and the Route to Ni-Richer Lithium-Ion Batteries

by Christian M. Julien and Alain Mauger

Energies 2020, 13(23), 6363; https://doi.org/10.3390/en13236363 - 02 Dec 2020

Cited by 73 | Viewed by 19443

Abstract

The aim of this article is to examine the progress achieved in the recent years on two advanced cathode materials for EV Li-ion batteries, namely Ni-rich layered oxides LiNi_0.8Co_0.15Al_0.05O₂ (NCA) and LiNi_0.8Co_0.1Mn_0.1O₂ (NCM811). Both materials have the common layered (two-dimensional) crystal network isostructural with LiCoO₂. The performance of these electrode materials are examined, the mitigation of their drawbacks (i.e., antisite defects, microcracks, surface side reactions) are discussed, together with the prospect on a next generation of Li-ion batteries with Co-free Ni-rich Li-ion batteries. Full article

(This article belongs to the Special Issue Advanced Li-Ion Battery: From Material to System)

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