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Energy Storage Applications of Cobalt and Manganese Metal–Organic Frameworks
Journal of Inorganic and Organometallic Polymers and Materials ( IF 3.9 ) Pub Date : 2020-06-02 , DOI: 10.1007/s10904-020-01593-8
S. Sangeetha , G. Krishnamurthy , Sabine Foro , Kalyan Raj

This work highlights the electrochemical properties of as-synthesized cobalt and manganese metal–organic frameworks. The electrochemical redox behavior of Co-MOF and Mn-MOF electrode was investigated in 0.1 M KOH solution by cyclic voltammetry. The rectangular CV curve obtained by the Mn-MOF electrode implies the pseudocapacitor act from the surface redox reaction of Mn. Well separated oxidation and reduction peaks achieved by the Co-MOF electrode implied the battery like behavior. For battery, the charge is represented as the capacity and the calculated capacity for the Co-MOF was 1064.3 mhAg−1 at 0.1 Ag−1. For pseudocapacitor, capacitance should be used, and achieved capacitance by Mn-MOF electrode was 483 Fg−1 at constant current density 1 Ag−1. With this delineation in mind, it should be clear that Co-MOF is suitable for battery purpose and Mn-MOF is suitable for pseudocapacitor application.



中文翻译:

钴和锰金属有机框架的储能应用

这项工作强调了合成后的钴和锰金属有机骨架的电化学性质。通过循环伏安法研究了Co-MOF和Mn-MOF电极在0.1 M KOH溶液中的电化学氧化还原行为。由Mn-MOF电极获得的矩形CV曲线表示由Mn的表面氧化还原反应引起的伪电容器作用。Co-MOF电极实现的良好分离的氧化峰和还原峰暗示了电池的行为。对于电池,充电被表示为容量和用于联合MOF所计算的容量为1064.3 mhAg -1 0.1的Ag -1。对于伪电容器,应使用电容,并且在恒定电流密度1 Ag下,Mn-MOF电极获得的电容为483 Fg -1-1。考虑到这一点,应该清楚Co-MOF适用于电池,而Mn-MOF适用于伪电容器。

更新日期:2020-06-02
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