Abstract
The escalating demand for renewable and sustainable energy sources has led to a surge in the development of energy storage technologies. Lithium-ion batteries (LIBs), already a well-established technology, play a pivotal role in today’s society. Nevertheless, the limited theoretical specific capacity of graphite-based anode materials currently utilized in LIBs restricts their widespread practical applications. Therefore, in this study, the Mn2GeO4 based anode materials with different morphologies (such as one-dimensional nanowires, two-dimensional nanosheet and three-dimensional irregular nanoparticles) were successfully prepared through facile hydrothermal reaction or calcination. Notably, the experimental results revealed that the two-dimensional Mn2GeO4 nanosheet (MGO-NS) sample exhibited superior electrochemical performance compared to the other two samples. Moreover, the MGO-NS was further modified by carbon nanotubes (CNTs) to form MGO-NS/CNT composite for enhanced stability. Upon conducting electrochemical tests, it was evident that the discharge specific capacity and cycling stability of the composite were significantly improved, holding promise for future energy storage applications.
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