Synthesis and energy storage characteristics of MnO microchains induced by high magnetic field
Source abstract
Abstract
A magnetic field induced hydrothermal method is applied to synthesize precursors, followed by annealing to prepare mesoporous MnO microchains. Different morphologies of the ultimate products can be dominated by changing the magnetic field strength to acquire good electrochemical performances. The initial high reversible capacity of MnO microchains is 948 mA h g −1. After 250 cycles, the reversible capacity retains about 769 mA h g −1 at 2 C, even after 2000 cycles, the reversible capacity maintains around 198 mA h g −1 at 8 C. The superb electrochemical properties could originate from the mesoporosity of aggregated nanoparticles of the MnO 1D-microchain structure induced by applied magnetic field of 8 T, which is beneficial for the fast transport of Li + and electron, and can adapt to the dramatic volume change during the Li + deintercalation.
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Research context
OpenAlex topics: Advancements in Battery Materials · Supercapacitor Materials and Fabrication · Advanced Battery Materials and Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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