Enhanced Performance of LiAl 0.1 Mn 1.9 O 4 Cathode for Li-Ion Battery via TiN Coating

Pinelopi Angelopoulou, Spyros Kassavetis, Joan Papavasiliou, Dimitris Karfaridis, Grzegorz Słowik, Panos Patsalas and George Avgouropoulos
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Pinelopi Angelopoulou: Department of Materials Science, University of Patras, GR-26504 Rio Patras, Greece
Spyros Kassavetis: Department of Physics, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
Joan Papavasiliou: Department of Materials Science, University of Patras, GR-26504 Rio Patras, Greece
Dimitris Karfaridis: Department of Physics, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
Grzegorz Słowik: Faculty of Chemistry, University of Maria Curie-Skłodowska, Pl. M. Curie-Skłodowskiej 2, 20-031 Lublin, Poland
Panos Patsalas: Department of Physics, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
George Avgouropoulos: Department of Materials Science, University of Patras, GR-26504 Rio Patras, Greece

Energies, 2021, vol. 14, issue 4, 1-14

Abstract: The present work addresses the issues related to the capacity fading of spinel LiMn 2 O 4 , such as Mn leaching and Jahn–Teller distortion and suggests an advanced TiN-coated LiAl 0.1 Mn 1.9 O 4 (LAMO) cathode material as an electrode for lithium-ion batteries. TiN coating layers with the same thickness but a different porosity cover the LiAl 0.1 Mn 1.9 O 4 electrode via reactive magnetron sputtering, and present promising electrochemical behavior. In contrast with the pristine LiAl 0.1 Mn 1.9 O 4 , the dense TiN-coated LiAl 0.1 Mn 1.9 O 4 electrode demonstrates a remarkable long-term cycling by reducing the contact area of the electrode/electrolyte interface, resulting in structure stabilization.

Keywords: Li-ion batteries; LiMn spinel; cathode electrode; TiN coating (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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