Synthesis, microstructure, and electrochemical performance of Li-rich layered oxide cathode materials for Li-ion batteries
- Autores: Koshtyal Y.1,2, Dmitrienko А.3, Politov Y.4, Pervov V.4, Eremenko I.4, Makhonina Е.4, Pechen L.4, Volkov V.4, Rumyantsev А.1,2
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Afiliações:
- Ioffe Physico-Technical Institute, Russian Academy of Sciences
- Peter the Great St. Petersburg Polytechnic University
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences
- N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
- Edição: Volume 68, Nº 2 (2019)
- Páginas: 301-312
- Seção: Full Articles
- URL: https://journals.rcsi.science/1066-5285/article/view/243247
- DOI: https://doi.org/10.1007/s11172-019-2386-6
- ID: 243247
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Resumo
Li-rich layered oxides Li1.2Mn0.54Ni0.13Co0.13O2 were synthesized by modified Pechini method using various compositions of the reaction mixture. Difference in the electrochemical performance of cathodes on their basis is explained by different morphology and microstructure of the materials. The porous hierarchical structure favors a better electrochemical performance. The presence of defects, including crystal twins, in the samples is considered to be a major reason that leads to their poor cyclability and rate capability.
Sobre autores
Yu. Koshtyal
Ioffe Physico-Technical Institute, Russian Academy of Sciences; Peter the Great St. Petersburg Polytechnic University
Email: elenamakhonina@mail.ru
Rússia, 26 ul. Politechnicheskaya, St. Petersburg, 194021; 29 ul. Polytechnicheskaya, St. Petersburg, 195251
А. Dmitrienko
A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences
Email: elenamakhonina@mail.ru
Rússia, 28 ul. Vavilova, Moscow, 119334
Yu. Politov
N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Email: elenamakhonina@mail.ru
Rússia, 31 Leninsky prosp., Moscow, 119991
V. Pervov
N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Email: elenamakhonina@mail.ru
Rússia, 31 Leninsky prosp., Moscow, 119991
I. Eremenko
N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Email: elenamakhonina@mail.ru
Rússia, 31 Leninsky prosp., Moscow, 119991
Е. Makhonina
N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Autor responsável pela correspondência
Email: elenamakhonina@mail.ru
Rússia, 31 Leninsky prosp., Moscow, 119991
L. Pechen
N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Email: elenamakhonina@mail.ru
Rússia, 31 Leninsky prosp., Moscow, 119991
V. Volkov
N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
Email: elenamakhonina@mail.ru
Rússia, 31 Leninsky prosp., Moscow, 119991
А. Rumyantsev
Ioffe Physico-Technical Institute, Russian Academy of Sciences; Peter the Great St. Petersburg Polytechnic University
Email: elenamakhonina@mail.ru
Rússia, 26 ul. Politechnicheskaya, St. Petersburg, 194021; 29 ul. Polytechnicheskaya, St. Petersburg, 195251