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High-rate single-crystalline Li-rich layered oxide with diversified surface-phase cation ordering for Li-ion batteries [PDF]

open access: yesNature Communications
Advanced lithium-ion batteries require fast-charging high-energy-density electrodes. Li- and Mn-rich layered positive electrodes can offer higher capacity (>280 mAh g−1) and higher specific energy (>1000 Wh kg−1) than Ni-rich chemistries, yet it is ...
Jingxi Zhang   +13 more
doaj   +2 more sources

Multiple Twin Boundaries in Co-Free Li-Rich Mn-Based Cathodes Constructed by Na-Assisted Sol–Gel Synthesis for Enhanced Electrochemical Performance [PDF]

open access: yesNanomaterials
Cobalt-free Li-rich Mn-based layered oxides are promising cathode materials for next-generation lithium-ion batteries because of their high capacity and reduced reliance on cobalt resources.
Zhihao Jin   +3 more
doaj   +2 more sources

Integrated Ni and Li‐Rich Layered Oxide Cathode Materials for High Voltage Cycling in Rechargeable Li‐Ion Batteries

open access: yesChemElectroChem, 2022
Although the Ni‐rich oxide cathodes possess a high specific capacity above 180 mAh g−1, they suffer from capacity fading upon cycling to above 4.3 V due to their high surface reactivity with the electrolyte, structural layered to rock‐salt phase ...
Yuvashri Jayamkondan   +2 more
doaj   +1 more source

Hysteresis Induced by Incomplete Cationic Redox in Li‐Rich 3d‐Transition‐Metal Layered Oxides Cathodes

open access: yesAdvanced Science, 2022
Activation of oxygen redox during the first cycle has been reported as the main trigger of voltage hysteresis during further cycles in high‐energy‐density Li‐rich 3d‐transition‐metal layered oxides.
Liang Fang   +11 more
doaj   +1 more source

The Formation, Detriment and Solution of Residual Lithium Compounds on Ni-Rich Layered Oxides in Lithium-Ion Batteries

open access: yesFrontiers in Energy Research, 2020
Ni-rich layered transition-metal oxides with high specific capacity and energy density are regarded as one of the most promising cathode materials for next generation lithium-ion batteries.
Anqi Chen   +10 more
doaj   +1 more source

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

open access: yesEnergies, 2020
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 LiNi0.8Co0.15Al0.05O2 (NCA) and LiNi0.8Co0.1Mn0.1O2 (NCM811). Both materials have the
Christian M. Julien, Alain Mauger
doaj   +1 more source

Aluminum and Indium Co‐Modified Ni‐Rich Layered Cathode with Enhanced Microstructure and Surface Stability for Lithium‐Ion Batteries

open access: yesAdvanced Materials Interfaces, 2023
Ni‐rich layered oxides are considered as promising cathodes for next‐generation lithium‐ion batteries. However, they still suffer microstructure and surface instability particularly under high operating voltage, leading to rapid capacity fading and ...
Wen Hu   +3 more
doaj   +1 more source

Design Strategies for Enhancing the Electrochemical Performance of Li-Rich Cathode Materials for Lithium-Ion Batteries

open access: yesInternational Journal of Electrochemical Science, 2020
Lithium-ion batteries (LIBs) are one of the most promising energy storage technologies for many applications, such as environmentally friendly transportation.
Chen Hu   +6 more
doaj   +1 more source

On the Sensitivity of the Ni-rich Layered Cathode Materials for Li-ion Batteries to the Different Calcination Conditions

open access: yesNanomaterials, 2020
Ni-rich layered oxides, i.e., LiNi0.6Mn0.2Co0.2O2 (NMC622) and LiNiO2 (LNO), were prepared using the two-step calcination procedure. The samples obtained at different calcination temperatures (750–950 °C for the NMC622 and 650–850 °C for the LNO cathode ...
Hubert Ronduda   +8 more
doaj   +1 more source

Facile synthesis of Li1.2Ni0.13Co0.13Mn0.54O2 by a thermal decomposition of eutectic Li-Ni-Co-Mn acetate as lithium ion battery cathodes

open access: yesInternational Journal of Electrochemical Science, 2015
Lithium rich layered oxide Li1.2Ni0.13Co0.13Mn0.54O2 have been successfully prepared by a simple decomposition of eutectic Li-Ni-Co-Mn acetate without using any solvent or additive.
Xiaoling Lang   +4 more
doaj   +1 more source

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