Waste pine nut shell-templated synthesis of Co3O4 nanoparticles crosslinked network for lithium storage performance
In recent years,design and synthesis of hierarchical structure Co3O4 anode materials have effectively improve their lithium storage performance.However,the relevant reported engineering strategies still have complicated operation,low yield and poor reproducibility.Herein the Co3O4 hierarchical structure with meso-and macro-pores was controllably prepared by air calcination of cobalt salt impregnation in waste pine nut shells as biomass template.This crosslinking network morphology is composed of uniform nanoparticles with a size of about 30 nm.As an anode material for lithium ion batteries(LIBs),Co3O4 electrode has good rate performance at 0.1 to 5 A·g-1.In particular,its reversible capacity remains as high as 897.3 mAh·g-1 after 1 000 cycles at 1 A·g-1,further showing its application potential as long-life LIBs.
Co3O4 network structurepine nut shell-templatedanode materiallithium ion batteryslong-cycle performance