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This paper describes a modified colloidal crystal templating method to prepare three-dimensionally ordered macroporous (3DOM) β-Bi2O3. The 3DOM β-Bi2O3 materials exhibit higher specific capacities and better capacity retention than conventional β-Bi2O3 nanoparticles as anode materials for Li-ion batteries. The initial discharge capacity of 3DOM β-Bi2O3 was as high as 1296mAhg−1 and the fourth discharge...
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