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0216U003150,
0113U000483
,
Development of electrode materials for lithium power sources.
Kovalyuk Zakhar Dmytrovych,
14-01-2016
Chernivtsi Department of the I.M. Frantsevich Institute for Problems of Materials Science of the National Academy of Sciences of Ukraine
Показано, що впровадження іонів літію в InSe є двостадійним процесом, що включає формування інтеркалятної сполуки LixInSe та реакцію диспропорціювання вихідної речовини. Встановлено, що кінетика впровадження Li+ добре описується моделлю Рандлеса-Ершлера Досліджено імпеданс розрядженого Li6,2Bi2Se3 в 1М розчині LiClO4 в пропіленкарбонаті. З моделювання спектрів визначено параметри елементів еквівалентної схеми та коефіцієнт дифузії іонів літію. Відпрацьовано технологію виготовлення літієвих елементів та оптимізовано склад електродної композиції. Досліджено електропровідність та в язкість електролітних розчинів з різними літієвими солями та органічними розчинниками. Встановлено, що найкращі параметри елементів забезпечує 1М LiBF4 в гама-бутиролактоні. Вивчено вплив легування селеніду вісмуту домышкамиCu, Li та Ge на розрядні параметри відповідних літієвих елементів. Встановлено, що зростання потужності має місце для Bi2Se3 <0,5% Cu + 0,5% Ge>. Досліджено експлуатаційні характеристики джерел струму Li/Cu4Bi6S11.
Мінтянський І.В.
Савицький П.І.
2020-04-02
Updated: 2025-12-07
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