▎ 摘　　要

The large capacity fading and short lifespan of SnO2-based anodes originate from the serious coarsening of Sn nanoparticles caused by structural reorganization of SnO2 during repeated cycling. Herein, a hybrid structure composed of SnO2 supported on orderly stacked graphene sheets (SnO2@OS-rGO) is constructed by freeze casting method to address the above issues. The orderly stacked graphene anchors SnO2 firmly depending on the 7C-7C interactions, thus improves the discharge capacity and cycling stability of SnO2. Besides, the ordered graphene promotes the reaction kinetics of SnO2@OS-rGO by shorten the transmission path of lithium ions. As a result, the obtained SnO2@OS-rGO delivers an unconventional discharge capacity up to 1080 mAh g(-1) at 0.2 A g(-1) for over 500 cycles, which increased by similar to 200% compared with the 1st cycle. The gradually increasing capacity originates from the improvement of the conversion reaction. This study provides a new strategy for developing long cycle stable SnO2 anodes by introducing orderly stacked graphene.