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Featured properties of Li+-based battery anode: Li4Ti5O12

机译:Li +基于电池阳极的特色属性:Li4Ti5O12

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3D ternary Li _(4) Ti _(5) O _(12) , a Li ~(+) -based battery anode, presents an unusual lattice symmetry (triclinic crystal), band structure, charge density, and density of states under first-principles calculations. It is a large direct-gap semiconductor with E ~(d) _(g) ~ 2.98 eV. The atom-dominated valence and conduction bands, the spatial charge distribution and the atom- and orbital-decomposed van Hove singularities are available for delicate identifications of multi-orbital hybridizations in Li–O and Ti–O bonds. The extremely non-uniform chemical environment, which induces very complicated hopping integrals, directly arises from the large bonding fluctuations and the highly anisotropic configurations. Also, the developed theoretical framework is very useful for fully understanding cathodes and electrolytes of oxide compounds.
机译:3D三元Li _(4)Ti _(5)O _(12),基于Li〜(+)的电池阳极,呈现出不寻常的晶格对称(三晶晶),带结构,电荷密度和状态下的密度第一原理计算。它是具有E〜(d)_(g)〜2.98ev的大型直接间隙半导体。原子主导的价和传导带,空间电荷分布和原子和轨道分解的范索蹄奇异性可用于Li-O和Ti-O键的多轨道杂交的细腻鉴定。极其不均匀的化学环境,其诱导非常复杂的跳跃积分,直接由大的粘接波动和高各向同性配置产生。此外,开发的理论框架对于完全理解氧化物化合物的阴极和电解质非常有用。

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