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A facile sol–gel polymerization and impregnation route is developed to large-scale fabricate the novel mesoporous 3D interconnected NiCo-NiCoO2/carbon xerogel (CX) hybrids with a homogeneous carbon coating layer on the surface of NiCo and NiCoO2 nanoparticles, the metallic NiCo nanoparticles are introduced in the NiCo-NiCoO2/CX hybrids via a partially reducing chemical reaction at a high annealing...
We use confocal μ-Raman spectroscopy to characterize the local microstructure of SiOx particles that are composed of amorphous and crystalline phase and to understand its effects on electrochemical reactions. Particles of bare SiOx (x∼1) consist of an inhomogeneous mixture of a-Si and c-Si; some particles mainly have a-Si phase but others consist mainly of micro-sized crystalline Si phase. In contrast,...
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