Room-temperature synthesis of ultrathin Mn3O4 nanosheets as anode materials for lithium-ion batteries

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We use deionized water and ethanolamine as solvent and manganese chloride as Mn sources under stirring to successfully prepare the ultrathin two-dimensional (2D) graphene-like nanosheet materials. The as-obtained ultrathin Mn3O4 nanosheets own high surface area (192.46m2g−1) through a simple and low-cost route at room-temperature. Importantly, the ultrathin Mn3O4 nanosheets exhibit a higher reversible capacity and stronger cycling stability (~520mAhg−1 at 200mAg−1 after 300 cycles) as anode materials for LIBs.