Comparative study of Pb 1-x Ba x Li 2 Ti 6 O 14 (0≤ x ≤1) as lithium storage materials for secondary batteries
作者： Haoxiang Yu , Minghe Luo , Hua Lan , Lei Yan , Shangshu Qian
DOI: 10.1016/J.JPOWSOUR.2017.05.012
关键词:
摘要: Abstract The preparation and characterization of Pb1-xBaxLi2Ti6O14 (x = 0, 1/4, 1/2, 3/4, 1) as anode materials for lithium ion batteries are investigated in this research. structure, morphology electrochemical properties compared with each other by changing the Pb/Ba atomic ratio Pb1-xBaxLi2Ti6O14. It can be observed that sample shows same orthorhombic structure Cmca space group. Moreover, it also found working potential, conductivity, cycling rate performances as-received samples gradually change along evolution x 1). Electrochemical evaluation operating potential decreases increasing value its initial charge capacity increases reversely. different brings stability Especially Pb3/4Ba1/4Li2Ti6O14, presents better than samples. After 120 cycles, reversible Pb3/4Ba1/4Li2Ti6O14 is maintained at 129.7 mAh g−1 retention 88.3%. In addition, reversibility demonstrated in-situ X-ray investigation.
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