Results 11 to 20 of about 2,694,669 (251)

How do the synthesis conditions impact the microstructure of Mn−rich layered oxides Li1+xM1−xO2 (M=Mn,Ni) ?

open access: yes, 2023
International audienceNowadays, it is necessary to meet the needs of efficient electric vehicles by increasing the energy density of Li-ion batteries, now about 200 Wh/kg for a full cell. In this scope, Li-rich layered oxides Li1+x(Ni,Mn)1-xO2 are highly
Znaiguia, Raja   +8 more
core   +13 more sources

Advancements in Addressing Microcrack Formation in Ni–Rich Layered Oxide Cathodes for Lithium–Ion Batteries [PDF]

open access: yesChemElectroChem
Nickel–rich layered oxides of LiNi1–x–yCoxMn(Al)yO2 (where 1–x–y>0.6) are considered promising cathode active materials for lithium‐ion batteries (LIBs) due to their high reversible capacity and energy density.
Tianmei Xu   +5 more
doaj   +2 more sources

Calcination Heterogeneity in Li-rich Layered Oxides: a Systematic Study of Li2CO3 Particle Size [PDF]

open access: yes, 2023
Li- and Mn-rich (LMR) layered oxide positive electrode materials exhibit high energy density and have earth abundant compositions relative to conventional Ni-, Mn-, and Co-oxides (NMCs).
Grace, Busse   +9 more
core   +1 more source

Competing mechanisms determine oxygen redox in doped Ni-Mn based layered oxides for Na-ion batteries [PDF]

open access: yes, 2023
Cation doping is an effective strategy for improving the cyclability of layered oxide cathode materials through suppression of phase transitions in the high voltage region (>~4.0V).
Yanan, Sun   +12 more
core   +2 more sources

Developing high-energy cathodes for Li-ion batteries based on Ni-rich layered oxides [PDF]

open access: yes, 2023
Energy storage in rechargeable batteries is essential for implementing more renewable energy into the global energy mix. Batteries can, for instance, be connected to solar or wind energy systems to handle the intermittency between generation and ...
Pollen, Harald Norrud
core   +1 more source

Operando visualisation of kinetically-induced lithium heterogeneities in single-particle layered Ni-rich cathodes [PDF]

open access: yes, 2022
Understanding how lithium-ion dynamics affect the (de)lithiation mechanisms of state-of-the-art nickel-rich layered oxide cathodes is crucial to improving electrochemical performance.
Vikram S., Deshpande   +9 more
core   +1 more source

Bulk Fatigue Induced by Surface Reconstruction in Layered Ni-Rich Oxide Cathodes for Liion Batteries [PDF]

open access: yes, 2020
Ni-rich layered cathode materials are among the most promising candidates for high energy density Li-ion batteries. However, the low cobalt containing materials suffer from rapid degradation, the underlying mechanism of which is still poorly understood ...
Juhan, Lee   +11 more
core   +1 more source

Reversible and Irreversible Redox Processes in Li-Rich Layered Oxides

open access: yes, 2021
Reversible and irreversible charge exchange reactions of Li- and Mn-rich layered oxides (Li1.15Ni0.2Co0.1Mn0.55O2, LLO) are investigated with bulk and surface-sensitive near-edge X-ray absorption fine structure spectroscopy (NEXAFS) at the Ni L2,3, Co L2,
Karin Kleiner   +9 more
core   +2 more sources

Architecting “Li-rich Ni-rich” core-shell layered cathodes for high-energy Li-ion batteries

open access: yes, 2023
Li-rich or Ni-rich layered oxides are considered ideal cathode materials for high-energy Li-ion batteries (LIBs) owing to their high capacity (> 200 mAh g$^{–1}$) and low cost.
Ehrenberg, Helmut   +27 more
core   +1 more source

Honeycomb‐Layered Oxides With Silver Atom Bilayers and Emergence of Non‐Abelian SU(2) Interactions

open access: yesAdvanced Science, 2023
Honeycomb‐layered oxides with monovalent or divalent, monolayered cationic lattices generally exhibit myriad crystalline features encompassing rich electrochemistry, geometries, and disorders, which particularly places them as attractive material ...
Titus Masese   +17 more
doaj   +1 more source

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