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Fabrication and electrochemical properties of the Sn–Ni–P alloy rods array electrode for lithium-ion batteries by Yun-Xiao Wang; Ling Huang; Yu-Qing Chang; Fu-Sheng Ke; Jun-Tao Li; Shi-Gang Sun is a Engineering article available to read on EtoBox.

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A new ternary Sn-Ni-P alloy rods array electrode for lithium-ion batteries is synthesized by electrodeposition with a Cu nanorods array structured foil as current collector. The Cu nanorods array foil is fabricated by heat treatment and electrochemical reduction of Cu(OH) 2 nanorods film, which is grown directly on Cu substrate through an oxidation method. The Sn-Ni-P alloy rods array electrode is mainly composed of pure Sn, Ni 3 Sn 4 and Ni-P phases. The electrochemical experimental results illustrate that the Sn-Ni-P alloy rods array electrode has high reversible capacity and excellent coulombic efficiency, with an initial discharge capacity and charge capacity of 785.0 mAh g -1 and 567.8 mAh g -1 , respectively. After the 100th dischargecharge cycling, capacity retention is 94.2% with a value of 534.8 mAh g -1 . The electrode also performs with an excellent rate capacity.

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Author

Yun-Xiao Wang; Ling Huang; Yu-Qing Chang; Fu-Sheng Ke; Jun-Tao Li; Shi-Gang Sun

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 1388-2481)

Published

2010

Language

EN

Field

Engineering (Physical Sciences)