Neodymium-doped lithium titanate as anode material for lithium-ion batteries

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Doped lithium titanate is known to be able to reversibly cycle in the potential range from 3 to 0.01 V and this ability depends both on the nature of the dopant and the doping level. In this work Li₄Ti₅O₁₂ samples doped with Nd in the amount of 0.5 to 2.0% were studied. It was shown that while being cycled in the extended potential range, the samples with the doping level from 0.5 to 1.0% demonstrated the highest capacity.

Authors:

Kornev Pavel Valentinovich, Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS, 31, Leninsky Ave, Moscow, 119071, pas-kornev@rambler.ru

Kulova Tat'yana L'vovna, Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS, 31, Leninsky Ave, Moscow, 119071, tkulovat@mail.ru

Kuz'mina Anna Aleksandrovna, Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS, 31, Leninsky Ave, Moscow, 119071, nyurka_92@mail.ru

Skundin Aleksandr Mordukhaevich, Institute of Physical Chemistry and Electrochemistry of A. N. Frumkina of RAS, 31, Leninsky Ave, Moscow, 119071, askundin@mail.ru

Koshel' Nikolai Dmitrievich, Ukrainian State Chemical and Technological University, 8, Gagarin Ave, Dnepropetrovsk, 49005, kkknd@ua.fm

Klimova Viktoriya Mikhailovna, Joint-stock company “Advanced Research Institute of Inorganic Materials named after Academician A. A. Bochvar”, 5a Rogova St., 123098 Moscow, Russia, viktoriya@rambler.ru

Key words:

lithium-ion battery, anode, lithium titanate, neodymium, doping

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Journal issue:

2022. Т. 22, № 3,

DOI:

https://doi.org/10.18500/1608-4039-2022-22-3-129-138

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