РОЗРОБЛЕННЯ ТА ДОСЛІДЖЕННЯ КОМПОЗИТНОГО ЕЛЕКТРОЛІТУ НА ОСНОВІ СИСТЕМИ LATP/LIPF6 ДЛЯ ЛІТІЄВИХ АКУМУЛЯТОРІВ

РОЗРОБЛЕННЯ ТА ДОСЛІДЖЕННЯ КОМПОЗИТНОГО ЕЛЕКТРОЛІТУ НА ОСНОВІ СИСТЕМИ LATP/LIPF6 ДЛЯ ЛІТІЄВИХ АКУМУЛЯТОРІВ

Electrochemical power sources (EPSs) have been an integral part of every modern person’s life for a long time. Lithium-ion batteries (LIB) are the most common among the modern EPSs. They are widely used in the various electronic devices such as smartphones, cameras, laptops, electric vehicles etc. L...

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Бібліографічні деталі
Дата:2020
Автори: Lisovskyi, Ivan, Solopan, Serhii, Belous, Anatolii, Khomenko, Volodymyr, Barsukov, Viacheslav
Формат: Стаття
Мова:English
Опубліковано: V.I.Vernadsky Institute of General and Inorganic Chemistry 2020
Онлайн доступ:https://ucj.org.ua/index.php/journal/article/view/240
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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-2402020-11-23T14:42:46Z DEVELOPMENT AND RESEARCH OF COMPOSITE ELECTROLYTE BASED ON LATP/LIPF6 SYSTEM FOR LITHIUM BATTERIES РАЗРАБОТКА И ИССЛЕДОВАНИЕ КОМПОЗИТНОГО ЭЛЕКТРОЛИТА НА ОСНОВЕ СИСТЕМЫ LATP/LIPF6 ДЛЯ ЛИТИЕВЫХ АККУМУЛЯТОРОВ РОЗРОБЛЕННЯ ТА ДОСЛІДЖЕННЯ КОМПОЗИТНОГО ЕЛЕКТРОЛІТУ НА ОСНОВІ СИСТЕМИ LATP/LIPF6 ДЛЯ ЛІТІЄВИХ АКУМУЛЯТОРІВ Lisovskyi, Ivan Solopan, Serhii Belous, Anatolii Khomenko, Volodymyr Barsukov, Viacheslav NASICON, solid-state reaction method, composite electrolyte, solid-state battery Electrochemical power sources (EPSs) have been an integral part of every modern person’s life for a long time. Lithium-ion batteries (LIB) are the most common among the modern EPSs. They are widely used in the various electronic devices such as smartphones, cameras, laptops, electric vehicles etc. LIBs are considered to be the best power sources for mass use due to their high energy density. However, the low level of safety has always been a weakness of the conventional lithium-ion batteries with a polymer separator impregnated with a liquid electrolyte. The paper shows the fundamental possibility to develop the lithium-ion batteries with a composite electrolyte based on a porous ceramic matrix LATP, impregnated with 1M solution of LiPF6 in a mixture of ethylene carbonate and dimethyl carbonate (1:1). Two samples of composite electrolyte of different thickness (0.8 mm and 1.6 mm) were produced. The specific capacity of the cathode material in the elements with a composite electrolyte equals 140.5 and 138.2 mAh/g, which is not significantly less than the corresponding value for the cells with a liquid electrolyte (145.6 mAh/g). The decrease in the capacity of the cathode material in the elements with a composite electrolyte is primarily connected with the non-optimal thickness of the ceramic electrolyte and, accordingly, with the increase in the internal resistance of the cell. It is established that prototypes of lithium-ion batteries with a composite electrolyte show higher stability of capacitive characteristics during long cycling. Also, the proposed composite electrolyte allows solving the problems of lithium-ion batteries associated with electrolyte leakage (liquid electrolyte is immobilized only in the pores of ceramics) and fire hazard, primarily by levelling the formation of lithium dendrites in the interelectrode space. Further research will be aimed at the reducing the thickness of the ceramic electrolyte and developing a process for applying a protective layer to eliminate the recovery of LATP with lithium metal. V.I.Vernadsky Institute of General and Inorganic Chemistry 2020-11-16 Article Article Physical chemistry Физическая xимия Фізична xімія application/pdf https://ucj.org.ua/index.php/journal/article/view/240 10.33609/2708-129X.86.10.2020.75-87 Ukrainian Chemistry Journal; Vol 86 No 10 (2020): Ukrainian Chemistry Journal; 75-87 Украинский химический журнал; Том 86 № 10 (2020): Украинский химический журнал; 75-87 Український хімічний журнал; Том 86 № 10 (2020): Український хімічний журнал; 75-87 2708-129X 2708-1281 en https://ucj.org.ua/index.php/journal/article/view/240/129
institution Ukrainian Chemistry Journal
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datestamp_date 2020-11-23T14:42:46Z
collection OJS
language English
topic_facet NASICON
solid-state reaction method
composite electrolyte
solid-state battery
format Article
author Lisovskyi, Ivan
Solopan, Serhii
Belous, Anatolii
Khomenko, Volodymyr
Barsukov, Viacheslav
spellingShingle Lisovskyi, Ivan
Solopan, Serhii
Belous, Anatolii
Khomenko, Volodymyr
Barsukov, Viacheslav
РОЗРОБЛЕННЯ ТА ДОСЛІДЖЕННЯ КОМПОЗИТНОГО ЕЛЕКТРОЛІТУ НА ОСНОВІ СИСТЕМИ LATP/LIPF6 ДЛЯ ЛІТІЄВИХ АКУМУЛЯТОРІВ
author_facet Lisovskyi, Ivan
Solopan, Serhii
Belous, Anatolii
Khomenko, Volodymyr
Barsukov, Viacheslav
author_sort Lisovskyi, Ivan
title РОЗРОБЛЕННЯ ТА ДОСЛІДЖЕННЯ КОМПОЗИТНОГО ЕЛЕКТРОЛІТУ НА ОСНОВІ СИСТЕМИ LATP/LIPF6 ДЛЯ ЛІТІЄВИХ АКУМУЛЯТОРІВ
title_short РОЗРОБЛЕННЯ ТА ДОСЛІДЖЕННЯ КОМПОЗИТНОГО ЕЛЕКТРОЛІТУ НА ОСНОВІ СИСТЕМИ LATP/LIPF6 ДЛЯ ЛІТІЄВИХ АКУМУЛЯТОРІВ
title_full РОЗРОБЛЕННЯ ТА ДОСЛІДЖЕННЯ КОМПОЗИТНОГО ЕЛЕКТРОЛІТУ НА ОСНОВІ СИСТЕМИ LATP/LIPF6 ДЛЯ ЛІТІЄВИХ АКУМУЛЯТОРІВ
title_fullStr РОЗРОБЛЕННЯ ТА ДОСЛІДЖЕННЯ КОМПОЗИТНОГО ЕЛЕКТРОЛІТУ НА ОСНОВІ СИСТЕМИ LATP/LIPF6 ДЛЯ ЛІТІЄВИХ АКУМУЛЯТОРІВ
title_full_unstemmed РОЗРОБЛЕННЯ ТА ДОСЛІДЖЕННЯ КОМПОЗИТНОГО ЕЛЕКТРОЛІТУ НА ОСНОВІ СИСТЕМИ LATP/LIPF6 ДЛЯ ЛІТІЄВИХ АКУМУЛЯТОРІВ
title_sort розроблення та дослідження композитного електроліту на основі системи latp/lipf6 для літієвих акумуляторів
title_alt DEVELOPMENT AND RESEARCH OF COMPOSITE ELECTROLYTE BASED ON LATP/LIPF6 SYSTEM FOR LITHIUM BATTERIES
РАЗРАБОТКА И ИССЛЕДОВАНИЕ КОМПОЗИТНОГО ЭЛЕКТРОЛИТА НА ОСНОВЕ СИСТЕМЫ LATP/LIPF6 ДЛЯ ЛИТИЕВЫХ АККУМУЛЯТОРОВ
description Electrochemical power sources (EPSs) have been an integral part of every modern person’s life for a long time. Lithium-ion batteries (LIB) are the most common among the modern EPSs. They are widely used in the various electronic devices such as smartphones, cameras, laptops, electric vehicles etc. LIBs are considered to be the best power sources for mass use due to their high energy density. However, the low level of safety has always been a weakness of the conventional lithium-ion batteries with a polymer separator impregnated with a liquid electrolyte. The paper shows the fundamental possibility to develop the lithium-ion batteries with a composite electrolyte based on a porous ceramic matrix LATP, impregnated with 1M solution of LiPF6 in a mixture of ethylene carbonate and dimethyl carbonate (1:1). Two samples of composite electrolyte of different thickness (0.8 mm and 1.6 mm) were produced. The specific capacity of the cathode material in the elements with a composite electrolyte equals 140.5 and 138.2 mAh/g, which is not significantly less than the corresponding value for the cells with a liquid electrolyte (145.6 mAh/g). The decrease in the capacity of the cathode material in the elements with a composite electrolyte is primarily connected with the non-optimal thickness of the ceramic electrolyte and, accordingly, with the increase in the internal resistance of the cell. It is established that prototypes of lithium-ion batteries with a composite electrolyte show higher stability of capacitive characteristics during long cycling. Also, the proposed composite electrolyte allows solving the problems of lithium-ion batteries associated with electrolyte leakage (liquid electrolyte is immobilized only in the pores of ceramics) and fire hazard, primarily by levelling the formation of lithium dendrites in the interelectrode space. Further research will be aimed at the reducing the thickness of the ceramic electrolyte and developing a process for applying a protective layer to eliminate the recovery of LATP with lithium metal.
publisher V.I.Vernadsky Institute of General and Inorganic Chemistry
publishDate 2020
url https://ucj.org.ua/index.php/journal/article/view/240
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