Szczegóły publikacji
Opis bibliograficzny
Platelet-shape $LiFePO_{4}/Fe_{2}P/C$ composite material as a high-rate positive electrode for Li-ion batteries / Andrzej KULKA, Katarzyna REDEL, Janina MOLENDA // Solid State Ionics ; ISSN 0167-2738. — 2019 — vol. 335, s. 113–120. — Bibliogr. s. 120, Abstr.
Autorzy (3)
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 120678 |
|---|---|
| Data dodania do BaDAP | 2019-03-28 |
| Tekst źródłowy | URL |
| DOI | 10.1016/j.ssi.2019.03.004 |
| Rok publikacji | 2019 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Czasopismo/seria | Solid State Ionics |
Abstract
In this work we present novel approach to enhance the performance of the LFP electrodes based on simultaneous engineering of phase composition and morphology in the LiFePO4 – Fe2P – carbon system. We show the two step fabrication method of composite materials made of carbon coated nanometric platelet LiFePO4 and metallic Fe2P species, the synthesis involve co-precipitation of platelet LFP particles with subsequent high temperature annealing under reductive conditions. We successfully prepare LFP/Fe2P/C composites comprising 8 wt% Fe2P with enhanced electrochemical properties. The material at high current rates – 10 C delivers discharge specific capacity close to 110 mAh gLFP−1. The cell with investigated LFP electrodes working in the 2.5–4.5 voltage regime exhibits high stability and its discharge specific capacity fading only 3% after 60 cycles and remains equal to 159 mAh gLFP−1.
