Synthesis and electrochemical performance of Pb3(OH)2(CO3)2/C anode material for lithium-ion battery application
Pb3 (OH)2(CO3)2 and Pb3 (OH)2(CO3)2/C are prepared by a hydrothermal method using particular carbon source (Tie Guanyin tea carbon is used as carbon source). The obtained samples are characterized by XRD, SEM, and TEM techniques. The content of carbon in Pb3(OH)2(CO3)2/C composite is detected by thermogravimetric analysis (TGA).The electrochemical performances of the samples are measured by battery testing system. The Pb3 (OH)2(CO3)2/C composite behaves better electrochemical properties than that of pure Pb3(OH)2(CO3)2 as an anode material. It has the initial discharge capacity as 1957 mAhg−1 and maintains it as 571 mAhg−1 after 100 cycles at current density of 100 mAhg−1. The reasons for Pb3 (OH)2(CO3)2/C to behave excellent electrochemical performances are discussed also. Pb3(OH)2(CO3)2/C may be a promising anode material for lithium battery application.
KeywordsPb3 (OH)2(CO3)2/C composite Hydrothermal synthesis Anode material Lithium batteries Electrochemical properties
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