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Researchers from China developed a new anode material for potassium-ion batteries by encapsulating antimony-sulfur nanorods in reduced graphene oxide and nitrogen-doped carbon.
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Vancouver, British Columbia--(Newsfile Corp. - November 23, 2021) - NEO Battery Materials Ltd. (TSXV: NBM) (OTCQB: NBMFF) ("NEO" or the "Company") is pleased to announce that the Company has appointed
One dimensional Fe7S8@N−C nanocomposite, consisting of Fe7S8 nanoparticles homogeneously embedded in N-doped carbon nanowires, was synthesized by a facile hydrothermal-annealing process. As an anode material for sodium-ion batteries, the electrode exhibited capacities of 481 mA h g−1 after 1000 cycles at 5 A g−1 and 591 mA h g−1 at 200 mA g−1 with a retention ratio of 91 %. The excellent rate performance and cycling stability can be attributed to the synergistic effects of the one-dimensional N-doped carbon and ultra-small Fe7S8 particles, which will improve electrical conductivity a...
Taking advantage of a high-flux light source, synchrotron X-ray absorption spectroscopy (XAS) beamline is able to perform in situ/ex situ, element-selective, and qualitative/quantitative experiments to elucidate electrochemical reaction mechanisms of batteries accurately and efficiently. In situ synchrotron XAS probes dynamic electronic and local atomic structure information, including valence state, charge transfer, local geometry and symmetry, bond number/length/type and disorder degree, of target elements of significance during battery operation, which facilitates to promote the development...