Journal ArticleDOI
Aligned Carbon Nanotube‐Silicon Sheets: A Novel Nano‐architecture for Flexible Lithium Ion Battery Electrodes
Kun Fu,Ozkan Yildiz,Hardik Bhanushali,Yongxin Wang,Kelly L. Stano,Leigang Xue,Xiangwu Zhang,Philip D. Bradford +7 more
TLDR
Aligned carbon nanotube sheets provide an engineered scaffold for the deposition of a silicon active material for lithium ion battery anodes, allowing uniform deposition of silicon thin films while the alignment allows unconstrained volumetric expansion of the silicon, facilitating stable cycling performance.Abstract:
Aligned carbon nanotube sheets provide an engineered scaffold for the deposition of a silicon active material for lithium ion battery anodes The sheets are low-density, allowing uniform deposition of silicon thin films while the alignment allows unconstrained volumetric expansion of the silicon, facilitating stable cycling performance The flat sheet morphology is desirable for battery constructionread more
Citations
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Progress in flexible lithium batteries and future prospects
TL;DR: In this paper, the authors summarized the recent research progress of flexible lithium-ion batteries, with special emphasis on electrode material selectivity and battery structural design, and discussed the prospects and challenges toward the practical uses of flexible batteries in electronic devices.
Journal ArticleDOI
Flexible and Stretchable Energy Storage: Recent Advances and Future Perspectives
TL;DR: Recent progress and well-developed strategies in research designed to accomplish flexible and stretchable lithium-ion batteries and supercapacitors are reviewed.
Journal ArticleDOI
Advances and challenges for flexible energy storage and conversion devices and systems
TL;DR: In this article, an overview of the remarkable contributions made by the leading scientists in this important and promising research area is given, and some perspectives for the future and impacts of flexible energy storage and conversion systems are also proposed.
Journal ArticleDOI
Recent advances in electrospun carbon nanofibers and their application in electrochemical energy storage
TL;DR: In this article, the authors summarized various design strategies for producing random, aligned and core/shell structured carbon nanofibers, and elucidated the influences of polymer precursors, processing parameters, conductive additives and catalysts on functional, morphological and structural characteristics of CNFs.
Nanostructured Hybrid Silicon/Carbon Nanotube Heterostructures: Novel Reversible High-Capacity Lithium-Ion Anodes
TL;DR: In this article, the authors report the synthesis of 1D heterostructures comprising vertically aligned multiwall CNTs (VACNTs) containing nanoscale amorphous/nanocrystalline Si droplets deposited directly on VACNT with clearly defined spacing using a simple two-step liquid injection CVD process.
References
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Journal ArticleDOI
In situ TEM study of lithiation behavior of silicon nanoparticles attached to and embedded in a carbon matrix.
Meng Gu,Ying Li,Xiaolin Li,Shenyang Y. Hu,Xiangwu Zhang,Wu Xu,Suntharampillai Thevuthasan,Donald R. Baer,Ji-Guang Zhang,Juan Liu,Chong M. Wang +10 more
TL;DR: Observed lithiation behavior of silicon nanoparticles attached to and embedded in a carbon nanofiber using in situ TEM and continuum mechanical calculation provides insights on lithium ion transport in the network-structured composite of silicon and carbon.
Journal ArticleDOI
Tunable stress and controlled thickness modification in graphene by annealing.
TL;DR: The first experimental study of process-induced defects and stress in graphene using Raman spectroscopy and imaging is reported, which may open up the possibility of utilizing thickness and stress engineering to improve the performance of graphene-based devices.
Journal ArticleDOI
Conformal Fe3O4 sheath on aligned carbon nanotube scaffolds as high-performance anodes for lithium ion batteries.
TL;DR: A uniform Fe(3)O(4) sheath is magnetron sputtered onto aligned carbon nanotube (CNT) scaffolds that are directly drawn from CNT arrays that exhibit high reversible capacity, remarkable capacity retention, as well as high rate capability.
Journal ArticleDOI
Super‐Aligned Carbon Nanotube Films as Current Collectors for Lightweight and Flexible Lithium Ion Batteries
TL;DR: Carbon nanotube (CNT) current collectors with excellent fl exibility, extremely low density (0.04 mg cm − 2 ), and tunable thickness are fabricated by crossstacking continuous CNT fi lms drawn from super-aligned CNT arrays as discussed by the authors.
Journal ArticleDOI
Tunable stress and controlled thickness modification in graphene by annealing
TL;DR: In this paper, the authors reported the first experimental study of process-induced defects and stress in graphene using Raman spectroscopy and imaging, and showed that a compressive stress (as high as 2.1 GPa) was induced in graphene by depositing a 5 nm SiO2 followed by annealing, whereas a tensile stress (~ 0.7 GPA) was obtained by inserting a thin silicon capping layer.