A detailed investigation on the effects of Mg substitution (0 ≤ x ≤ 0.2) in high voltage P2-Na2/3Ni1/3−xMgxMn2/3O2 cathode materials for Na-ion batteries.
Olivine-type phosphates LiFePO4 and NaFePO4 are among the most widely studied cathode materials for rechargeable batteries. Here we show that tensile strain applied perpendicularly to the alkali-ion migration channels will improve their intercalation properties.
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