نتایج جستجو برای: cathode materials
تعداد نتایج: 447854 فیلتر نتایج به سال:
Investigation of the electronic structure contending battery electrode materials is an essential step for developing a detailed mechanistic understanding charge–discharge properties. Herein, we use synchrotron soft X-ray absorption spectroscopy (XAS) in combination with complementary experiments and density functional theory calculations to map structure, band positioning, gap prototype vanadiu...
High voltage cathode materials Li-excess layered oxide compounds Li[NixLi1/3 2x/3Mn2/3 x/3]O2 (0 < x < 1/2) are investigated in a joint study combining both computational and experimental methods. The bulk and surface structures of pristine and cycled samples of Li[Ni1/5Li1/5Mn3/5]O2 are characterized by synchrotron X-Ray diffraction together with aberration corrected Scanning Transmission Elec...
The effect of A-site cation ordering on the cathode performance and chemical stability of A-site cation ordered LaBaCo₂O5+δ and disordered La0.5Ba0.5CoO3-δ materials are reported. Symmetric half-cells with a proton-conducting BaZr0.9Y0.1O3-δ electrolyte were prepared by ceramic processing, and good chemical compatibility of the materials was demonstrated. Both A-site ordered LaBaCo₂O5+δ and A-s...
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