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In order to alleviate the capacity and voltage attenuation of the Li-rich materials, a series of tungsten-doped Li1.2Mn0.54-xNi0.13Co0.13WxO2 (0 ≤ x ≤ 0.04) were produced through a sol-gel method. The XRD patterns exhibit a representative structure of hexagonal α-NaFeO2 and a well-layered structure. XPS index that the valence of W is 6+. From the results of charge-discharge cycling, appropriate W...
In order to realize a wider application for graphene materials specifically in the field of energy storage, a simple and mass-scalable method described as “the atmospheric, low-temperature, shock-heating process” is proposed in this work. During this low-temperature process, the graphite oxide without pre-treatment is completely exfoliated to form the few-layer graphene materials at atmospheric conditions...
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