The local environment and short-range ordering of Li(Ni0.5Mn0.5)O-2, a potential Li-ion battery positive electrode material obtained via an ion-exchange route from Na(Ni0.5Mn0.5)O-2, were investigated by using a combination of Li-6 Magic Angle Spinning (MAS) NMR spectroscopy and neutron Pair Distribution Function (PDF) analysis, associated with Reverse Monte Carlo (RMC) calculations. Li-6 MAS NMR experiments on Li(Ni0.5Mn0.5)O-2 showed that there are almost no Li ions in the transition metal layers. Neutron diffraction data for the precursor Na(Ni0.5Mn0.5)O-2 indicated that there is no Na/ Ni disorder and that the material is perfectly layered. Neutron PDF analysis of Li(Ni0.5Mn0.5)O-2 and Na(Ni0.5Mn0.5)O-2 revealed differences in the local...
A detailed understanding of the atomistic processes within a lithium ion battery is expected to faci...
Ce travail de thèse s'inscrit dans le cadre général de l'étude des matériaux d'intercalation de type...
Cation order, with a local structure related to ?-LiFeO2, is observed in the nominally cation-disord...
International audienceWe present a Li-7 MAS NMR study carried out before (pristine material) and dur...
A combination of neutron diffraction (ND), Li-6 magic-angle spinning NMR, electrochemistry, and firs...
Li-substituted layered P2-Na0.80[Li0.12Ni 0.22Mn0.66]O2 is investigated as an advanced cathode mater...
Li-substituted layered P2–Na<sub>0.80</sub>[Li<sub>0.12</sub>Ni<sub>0.22</sub>Mn<sub>0.66</sub>]O<s...
The development of rechargeable batteries with higher energy densities and longer lifetimes represen...
Titanium doping in lithium manganese oxide spinels was shown to be beneficial for the structural sta...
Discerning the arrangement of transition metal atoms in Li[Ni<sub><i>x</i></sub>Mn<sub><i>y</i></su...
The progressive advancements in communication and transportation has changed human daily life to a g...
Lithium- and manganese-rich oxides undergo structural transformation and/or atomic rearrangements du...
<sup>6</sup>Li solid-state nuclear magnetic resonance (ssNMR) is used here to evaluate a series of L...
A known strategy for improving the properties of layered oxide electrodes in sodium-ion batteries is...
A known strategy for improving the properties of layered oxide electrodes in sodium-ion batteries is...
A detailed understanding of the atomistic processes within a lithium ion battery is expected to faci...
Ce travail de thèse s'inscrit dans le cadre général de l'étude des matériaux d'intercalation de type...
Cation order, with a local structure related to ?-LiFeO2, is observed in the nominally cation-disord...
International audienceWe present a Li-7 MAS NMR study carried out before (pristine material) and dur...
A combination of neutron diffraction (ND), Li-6 magic-angle spinning NMR, electrochemistry, and firs...
Li-substituted layered P2-Na0.80[Li0.12Ni 0.22Mn0.66]O2 is investigated as an advanced cathode mater...
Li-substituted layered P2–Na<sub>0.80</sub>[Li<sub>0.12</sub>Ni<sub>0.22</sub>Mn<sub>0.66</sub>]O<s...
The development of rechargeable batteries with higher energy densities and longer lifetimes represen...
Titanium doping in lithium manganese oxide spinels was shown to be beneficial for the structural sta...
Discerning the arrangement of transition metal atoms in Li[Ni<sub><i>x</i></sub>Mn<sub><i>y</i></su...
The progressive advancements in communication and transportation has changed human daily life to a g...
Lithium- and manganese-rich oxides undergo structural transformation and/or atomic rearrangements du...
<sup>6</sup>Li solid-state nuclear magnetic resonance (ssNMR) is used here to evaluate a series of L...
A known strategy for improving the properties of layered oxide electrodes in sodium-ion batteries is...
A known strategy for improving the properties of layered oxide electrodes in sodium-ion batteries is...
A detailed understanding of the atomistic processes within a lithium ion battery is expected to faci...
Ce travail de thèse s'inscrit dans le cadre général de l'étude des matériaux d'intercalation de type...
Cation order, with a local structure related to ?-LiFeO2, is observed in the nominally cation-disord...