Electrochemical Characterization of Low-Cost Lithium-Iron Orthosilicate Samples as Cathode Materials of Lithium-Ion Battery
Publish place: Advanced Ceramics Progress، Vol: 3، Issue: 3
Publish Year: 1396
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_ACERPT-3-3_004
تاریخ نمایه سازی: 11 اردیبهشت 1400
Abstract:
Lithium-iron-orthosilicate is one of the most promising cathode materials for Li-ion batteries due to its safety, environmental brightness and potentially low cost. In order to produce a low cost cathode material, Li۲FeSiO۴/C samples are synthesized via sol-gel (SG; one sample) and solid state (SS; two samples with different carbon content), starting from Fe (III) in the raw materials (low pristine materials). The three samples are characterized for purity, structure, and morphology. The electrochemical tests showed the different charge-discharge behaviours of the SS and SG samples. Electrochemical behaviours were investigated in terms of voltage vs. square root of capacity diagrams and their slopes. The best results are obtained with the SS sample containing the larger amount of carbon.
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Authors
Mohammad Mahdi Kalantarian
Ceramic, Material and Energy Research Center
Morteza Oghbaei
Materials Science and Engineering, Sharif University of Technology
S. Asgari
Materials Engineering, Sharif University of Technology
Leila Karimi
Public Science, K. N. Toosi University of Technology
Stefania Ferrari
Chemistry, University of Pavia
Doretta Capsoni
Chemistry, University of Pavia
Marcella Bini
Chemistry, University of Pavia
Piercarlo Mustarelli
Chemistry, University of Pavia
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