SYNTHESIS AND INVESTIGATION OF ELECTROCHEMICAL CHARACTERISTICS OF OXIDE Li-CONDUCTIVE MATERIALS WITH SPINEL AND PEROSKITE STRUCTURES

SYNTHESIS AND INVESTIGATION OF ELECTROCHEMICAL CHARACTERISTICS OF OXIDE Li-CONDUCTIVE MATERIALS WITH SPINEL AND PEROSKITE STRUCTURES

Lithium-ion batteries (LIBs) are widely used in electronic devices due to their numerous advantages, namely high energy density, high capacity, and long service life. One of the important components of a battery is the anode. In order to ensure high characteristics of LIB, the anode material must ha...

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Бібліографічні деталі
Дата:2023
Автори: Mas, Hanna, Khomenko , Oleksandr, Lisovskyi , Ivan, Khomenko , Volodymyr, Solopan , Sergii, Belous , Anatolii
Формат: Стаття
Мова:English
Опубліковано: V.I.Vernadsky Institute of General and Inorganic Chemistry 2023
Онлайн доступ:https://ucj.org.ua/index.php/journal/article/view/514
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Назва журналу:Ukrainian Chemistry Journal

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Ukrainian Chemistry Journal
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spelling oai:ojs2.1444248.nisspano.web.hosting-test.net:article-5142024-11-15T14:34:08Z SYNTHESIS AND INVESTIGATION OF ELECTROCHEMICAL CHARACTERISTICS OF OXIDE Li-CONDUCTIVE MATERIALS WITH SPINEL AND PEROSKITE STRUCTURES Mas, Hanna Khomenko , Oleksandr Lisovskyi , Ivan Khomenko , Volodymyr Solopan , Sergii Belous , Anatolii LIBs, anode materials, Li-conductive perovskite Lithium-ion batteries (LIBs) are widely used in electronic devices due to their numerous advantages, namely high energy density, high capacity, and long service life. One of the important components of a battery is the anode. In order to ensure high characteristics of LIB, the anode material must have high capacity, high ionic and electronic conductivities, and low cost. However, commonly used anode materials in lithium-ion batteries have a number of disadvantages. For example, a graphite-based anode is characterized by significant changes in volume during intercalation/deintercalation of lithium ions, high energy losses, and rapid deterioration of characteristics at high discharge/charge rates; Li4Ti5O12 have a low theoretical specific capacity, low electronic conductivity and low diffusion rate of lithium ions. Thus, the search for anode materials with high capacity and capability rate, as well as small volume change during lithium intercalation/deintercalation, remains an urgent task. A promising way may be the use of materials with intercalation pseudocapacitive behavior of charge accumulation, which occurs due to the intercalation of ions in tunnels or layers of active materials without a crystallographic phase transition. LixLa2/3-x/3TiO3 is well known as a superionic conductor with a high ionic conductivity σ ≈ 10–3 S/cm at room temperature. It crystallizes in a perovskite-type structure that consists of a framework of TiO6 octahedra stabilized by La atoms, and has nume­rous vacancies in the unoccupied positions 18d and 6a, that could participate in the stora­ge and motion of Li ions. Electrochemical characteristics of LixLa2/3-x/3TiO3 (x = 0.35 and 0.5) anode materials with a perovskite structure were investigated and compared with the electrochemical characteristics of Li4Ti5O12 with a layered spinel structure. V.I.Vernadsky Institute of General and Inorganic Chemistry 2023-02-24 Article Article Inorganic Chemistry Неорганическая химия Неорганічна хімія application/pdf https://ucj.org.ua/index.php/journal/article/view/514 10.33609/2708-129X.89.01.2023.3-17 Ukrainian Chemistry Journal; Vol 89 No 1 (2023): Ukrainian Chemistry Journal; 3-17 Украинский химический журнал; Том 89 № 1 (2023): Ukrainian Chemistry Journal; 3-17 Український хімічний журнал; Том 89 № 1 (2023): Український хімічний журнал; 3-17 2708-129X 2708-1281 en https://ucj.org.ua/index.php/journal/article/view/514/261
institution Ukrainian Chemistry Journal
baseUrl_str
datestamp_date 2024-11-15T14:34:08Z
collection OJS
language English
topic_facet LIBs
anode materials
Li-conductive perovskite
format Article
author Mas, Hanna
Khomenko , Oleksandr
Lisovskyi , Ivan
Khomenko , Volodymyr
Solopan , Sergii
Belous , Anatolii
spellingShingle Mas, Hanna
Khomenko , Oleksandr
Lisovskyi , Ivan
Khomenko , Volodymyr
Solopan , Sergii
Belous , Anatolii
SYNTHESIS AND INVESTIGATION OF ELECTROCHEMICAL CHARACTERISTICS OF OXIDE Li-CONDUCTIVE MATERIALS WITH SPINEL AND PEROSKITE STRUCTURES
author_facet Mas, Hanna
Khomenko , Oleksandr
Lisovskyi , Ivan
Khomenko , Volodymyr
Solopan , Sergii
Belous , Anatolii
author_sort Mas, Hanna
title SYNTHESIS AND INVESTIGATION OF ELECTROCHEMICAL CHARACTERISTICS OF OXIDE Li-CONDUCTIVE MATERIALS WITH SPINEL AND PEROSKITE STRUCTURES
title_short SYNTHESIS AND INVESTIGATION OF ELECTROCHEMICAL CHARACTERISTICS OF OXIDE Li-CONDUCTIVE MATERIALS WITH SPINEL AND PEROSKITE STRUCTURES
title_full SYNTHESIS AND INVESTIGATION OF ELECTROCHEMICAL CHARACTERISTICS OF OXIDE Li-CONDUCTIVE MATERIALS WITH SPINEL AND PEROSKITE STRUCTURES
title_fullStr SYNTHESIS AND INVESTIGATION OF ELECTROCHEMICAL CHARACTERISTICS OF OXIDE Li-CONDUCTIVE MATERIALS WITH SPINEL AND PEROSKITE STRUCTURES
title_full_unstemmed SYNTHESIS AND INVESTIGATION OF ELECTROCHEMICAL CHARACTERISTICS OF OXIDE Li-CONDUCTIVE MATERIALS WITH SPINEL AND PEROSKITE STRUCTURES
title_sort synthesis and investigation of electrochemical characteristics of oxide li-conductive materials with spinel and peroskite structures
description Lithium-ion batteries (LIBs) are widely used in electronic devices due to their numerous advantages, namely high energy density, high capacity, and long service life. One of the important components of a battery is the anode. In order to ensure high characteristics of LIB, the anode material must have high capacity, high ionic and electronic conductivities, and low cost. However, commonly used anode materials in lithium-ion batteries have a number of disadvantages. For example, a graphite-based anode is characterized by significant changes in volume during intercalation/deintercalation of lithium ions, high energy losses, and rapid deterioration of characteristics at high discharge/charge rates; Li4Ti5O12 have a low theoretical specific capacity, low electronic conductivity and low diffusion rate of lithium ions. Thus, the search for anode materials with high capacity and capability rate, as well as small volume change during lithium intercalation/deintercalation, remains an urgent task. A promising way may be the use of materials with intercalation pseudocapacitive behavior of charge accumulation, which occurs due to the intercalation of ions in tunnels or layers of active materials without a crystallographic phase transition. LixLa2/3-x/3TiO3 is well known as a superionic conductor with a high ionic conductivity σ ≈ 10–3 S/cm at room temperature. It crystallizes in a perovskite-type structure that consists of a framework of TiO6 octahedra stabilized by La atoms, and has nume­rous vacancies in the unoccupied positions 18d and 6a, that could participate in the stora­ge and motion of Li ions. Electrochemical characteristics of LixLa2/3-x/3TiO3 (x = 0.35 and 0.5) anode materials with a perovskite structure were investigated and compared with the electrochemical characteristics of Li4Ti5O12 with a layered spinel structure.
publisher V.I.Vernadsky Institute of General and Inorganic Chemistry
publishDate 2023
url https://ucj.org.ua/index.php/journal/article/view/514
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AT khomenkooleksandr synthesisandinvestigationofelectrochemicalcharacteristicsofoxideliconductivematerialswithspinelandperoskitestructures
AT lisovskyiivan synthesisandinvestigationofelectrochemicalcharacteristicsofoxideliconductivematerialswithspinelandperoskitestructures
AT khomenkovolodymyr synthesisandinvestigationofelectrochemicalcharacteristicsofoxideliconductivematerialswithspinelandperoskitestructures
AT solopansergii synthesisandinvestigationofelectrochemicalcharacteristicsofoxideliconductivematerialswithspinelandperoskitestructures
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first_indexed 2025-09-24T17:43:48Z
last_indexed 2025-09-24T17:43:48Z
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