Szczegóły publikacji
Opis bibliograficzny
Sol-gel synthesis, structural and electrical properties of $Li_{2}CoSiO_{4}$ cathode material / Michał Świętosławski, Marcin Molenda, Piotr Natkański, Piotr Kuśtrowski, Roman Dziembaj, Marta GAJEWSKA // Functional Materials Letters ; ISSN 1793-6047. — 2014 — vol. 7 no. 6, s. 1440001-1–1440001-4. — Bibliogr. s. 1440001-4
Autorzy (6)
- Świętosławski Michał
- Molenda Marcin
- Natkański Piotr
- Kuśtrowski Piotr
- Dziembaj Roman
- AGHGajewska Marta
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 88852 |
|---|---|
| Data dodania do BaDAP | 2015-04-23 |
| DOI | 10.1142/S1793604714400013 |
| Rok publikacji | 2014 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Czasopismo/seria | Functional Materials Letters |
Abstract
Polyanionic cathode materials for lithium-ion batteries start to be considered as potential alternative for layered oxide materials. Among them, Li2CoSiO4, characterized by outstanding capacity and working voltage, seems to be an interesting substitute for LiFePO4 and related systems. In this work, structural and electrical investigations of Li2CoSiO4 obtained by sol-gel synthesis were presented. Thermal decomposition of gel precursor was studied using EGA (FTIR)-TGA method. Chemical composition of the obtained material was confirmed using X-ray diffraction and energy-dispersive X-ray spectroscopy. The morphology of beta-Li2CoSiO4 was studied using transmission electron microscopy. High temperature electrical conductivity of Li2CoSiO4 was measured for the first time. Activation energies of the electrical conductivity of two Li2CoSiO4 polymorphs (beta and gamma) were determined. The room temperature electrical conductivity of those materials was estimated as well.
