Oxide ion conductivity and oxygen vacancy diffusion coefficient of stabilized zirconia and doped ceria based on classical defect chemistry with particular focus on the valence state (2+, 3+, and 4+) of dopant cations

Junichiro Mizusaki

doi:10.1016/j.ssi.2026.117225

Thermochemistry of aluminum inclusion in nickel-rich LiNi0.85−xCo0.15AlxO2 cathode-active materials for Li-ion batteries

2026-05-08

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PRE

AI

E

Evans Avoka

T

Tamilarasan Subramani

A

Alexandra Navrotsky *

DOI：10.1016/j.ssi.2026.117222

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Abstract

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• LiNi0.85-xCo0.15AlxO2 stability was measured by high temperature oxide melt solution calorimetry. • Formation enthalpies from binary oxides become slightly less exothermic as aluminum content increases in the structure. • Formation enthalpies from elements increase linearly with increasing aluminum content in the structure. • Negative mixing enthalpies occur across the entire composition range.

Keywords:

Aluminum inclusion

Nickel-rich cathode materials

Formation enthalpy

Mixing enthalpy

Li-ion batteries

Thermochemistry of aluminum inclusion in nickel-rich LiNi0.85−xCo0.15AlxO2 cathode-active materials for Li-ion batteries

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