Templated formation of Mn2O3 derived from metal-organic frameworks with different organic ligands as anode materials for enhanced lithium-ion storage

Traditional manganese trioxide (Mn 2 O 3 ) as anode materials can be applied to lithium-ion batteries (LIBs), where they possess excellent electrochemical performance. However, the inherent disadvantages of volume change and poor cycling stability during charge/discharge process hinder the application of transition metal oxide (TMO) in LIBs. Herein, we propose a method to derive Mn 2 O 3 from metal-organic framework in order to mitigate volume change and enhance cycling stability, by virtue of the introduction of oxygen vacancies (O V ) and stable template-derived structure for boosted lithium storage properties. Interestingly, M-BTEC (pyromellitic acid based MOF) -derived Mn 2 O 3 represented higher specific capacity of 1227.1 mAh g -1 until 200 cycles with the current of 0.1 A g -1 while M-IN (isonicotinic acid based MOF) shows 723.4 mAh g -1 with exceptional cycling stability. • Two different ligands were used to synthesized Mn 2 O 3 and both of which possess cyclic stability and unique structure. • Oxygen vacancies was conducive to boost lithium ion storage performance. • M-BTEC and M-IN displays excellent capacity of 1227.1 mAh g -1 while M-IN shows 723.4 mAh g -1 (200 cycles at 0.1 A g -1 )