Bioderived silicon nano-quills: synthesis, structure and performance in lithium-ion battery anodes

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Author(s)Chen, Nancy
Author(s)Sabet, Morteza
Author(s)Sapkota, Nawraj
Author(s)Parekh, Mihir
Author(s)Chiluwal, Shailendra
Author(s)Koehler, Kelliann
Author(s)Clemons, Craig M.
Author(s)Ding, Yi
Author(s)Rao, Apparao M.
Author(s)Pilla, Srikanth
Date Accessioned2024-05-02T19:38:06Z
Date Available2024-05-02T19:38:06Z
Publication Date2024-03-12
DescriptionThis article was originally published in Green Chemistry. The version of record is available at: https://doi.org/10.1039/D4GC00498A. © The Royal Society of Chemistry 2024
AbstractCellulose nanocrystals (CNCs) are bioderived one-dimensional species with versatile surface chemistry and unique self-assembling behavior in aqueous solutions. This work presents a scientific approach to leverage these characteristics for creating CNC network templates and processing them to engineer a novel silicon (Si)-based material called silicon nano-quill (SiNQ) for energy storage applications. The SiNQ structure possesses a porous, tubular morphology with a substantial ability to store lithium ions while maintaining its structural integrity. The presence of Si suboxides in the SiNQ structure is demonstrated to be crucial for realizing a stable cycling performance. One of the defining attributes of SiNQ is its water dispersibility due to Si–H surface bonds, promoting water-based Si-graphite electrode manufacturing with environmental and economic benefits. The incorporation of only 17 wt% SiNQ enhances the capacity of graphitic anodes by ∼2.5 times. An initial coulombic efficiency of 97.5% is achieved by employing a versatile pre-lithiation. The SiNQ-graphite anodes with high active loading, when subjected to accelerated charging/discharging conditions at 5.4 mA cm−2, exhibit stable cycling stability up to 500 cycles and average coulombic efficiency of >99%. A generalized physics-based cyclic voltammetry model is presented to explain the remarkable behavior of SiNQs under fast-charging conditions.
SponsorThis work was supported by the US Endowment for Forestry and Communities [Contract No. 20-00082] to synthesize and characterize silicon nano-quills (SiNQs) described in this study. The authors also acknowledge financial support through Clemson University's Virtual Prototyping of Autonomy Enabled Ground Systems (VIPR-GS), under Cooperative Agreement W56HZV-21-2-0001 with the US Army DEVCOM Ground Vehicle Systems Center (GVSC), to develop and test batteries described in this study. The battery data presented herein was obtained at the Clemson Nanomaterials Institute, which Clemson University operates.
CitationChen, Nancy, Morteza Sabet, Nawraj Sapkota, Mihir Parekh, Shailendra Chiluwal, Kelliann Koehler, Craig M. Clemons, Yi Ding, Apparao M. Rao, and Srikanth Pilla. “Bioderived Silicon Nano-Quills: Synthesis, Structure and Performance in Lithium-Ion Battery Anodes.” Green Chemistry 26, no. 8 (2024): 4691–4702. https://doi.org/10.1039/D4GC00498A.
ISSN1463-9270
URLhttps://udspace.udel.edu/handle/19716/34337
Languageen_US
PublisherGreen Chemistry
dc.rightsAttribution-NonCommercial 3.0 Unported en
dc.rights.urihttp://creativecommons.org/licenses/by-nc/3.0/
Keywordsaffordable and clean energy
Keywordsindustry, innovation, and infrastructure
Keywordsresponsible consumption and production
TitleBioderived silicon nano-quills: synthesis, structure and performance in lithium-ion battery anodes
TypeArticle
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