Nanoscale heterogeneity of multilayered Si anodes with embedded nanoparticle scaffolds for Li‐ion batteries
A new approach on the synthesis of Si anodes for Li‐ion batteries is reported, combining
advantages of both nanoparticulated and continuous Si films. A multilayered configuration
prototype is proposed, comprising amorphous Si arranged in nanostructured, mechanically
heterogeneous films, interspersed with Ta nanoparticle scaffolds. Particular structural
features such as increased surface roughness, nanogranularity, and porosity are dictated by
the nanoparticle scaffolds, boosting the lithiation process due to fast Li diffusion and low …
advantages of both nanoparticulated and continuous Si films. A multilayered configuration
prototype is proposed, comprising amorphous Si arranged in nanostructured, mechanically
heterogeneous films, interspersed with Ta nanoparticle scaffolds. Particular structural
features such as increased surface roughness, nanogranularity, and porosity are dictated by
the nanoparticle scaffolds, boosting the lithiation process due to fast Li diffusion and low …
Batteries: Nanoscale Heterogeneity of Multilayered Si Anodes with Embedded Nanoparticle Scaffolds for Li‐Ion Batteries (Adv. Sci. 10/2017)
E Toulkeridou, M Haro, M Sowwan… - Advanced …, 2017 - cir.nii.ac.jp
A versatile synthesis approach is proposed for Li‐ion battery anodes composed by
intercalated layers of amorphous‐Si thin films and Ta nanoparticles by Mukhles Sowwan
and co‐workers in article number 1700180. The porosity, nanomechanical, and
electrochemical properties of the Si layers are dictated by the Ta nanoparticle scaffolds,
leading to anodes with enhanced charge‐discharge rate and self‐limited capacity. The
proposed prototype meets the advantages of nano‐and thin film technologies.
intercalated layers of amorphous‐Si thin films and Ta nanoparticles by Mukhles Sowwan
and co‐workers in article number 1700180. The porosity, nanomechanical, and
electrochemical properties of the Si layers are dictated by the Ta nanoparticle scaffolds,
leading to anodes with enhanced charge‐discharge rate and self‐limited capacity. The
proposed prototype meets the advantages of nano‐and thin film technologies.
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