Mesoporous silicon sponge as an anti-pulverization structure for high-performance lithium-ion battery anodes
Xiaolin Li,Meng Gu,Shenyang Y. Hu,Rhiannon Kennard,Pengfei Yan,Xilin Chen,Chong M. Wang,Michael J. Sailor,Ji-Guang Zhang,Jun Liu +9 more
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TLDR
In-situ transmission electron microscopy and continuum media mechanical calculations are combined to demonstrate that large (>20 μm) mesoporous silicon sponge prepared by the anodization method can limit the particle volume expansion at full lithiation to ~30% and prevent pulverization in bulk silicon particles.Abstract:
Silicon is a promising anode material for lithium ion batteries, but suffers from poor cyclability especially at high mass loading. Here, Li et al. synthesize mesoporous silicon sponge-like structures, which show promising performance at the deep lithiation and high loading conditions required for practical applications.read more
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Three-dimensional holey-graphene/niobia composite architectures for ultrahigh-rate energy storage
Hongtao Sun,Lin Mei,Lin Mei,Junfei Liang,Zipeng Zhao,Chain Lee,Huilong Fei,Mengning Ding,Jonathan Lau,Mufan Li,Chen Wang,Xu Xu,Guolin Hao,Benjamin Papandrea,Imran Shakir,Bruce Dunn,Yu Huang,Xiangfeng Duan +17 more
TL;DR: In this article, a three-dimensional (3D) holey-graphene/niobia (Nb2O5) composite for ultra-high-rate energy storage at high mass loading was proposed.
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Silicon based lithium-ion battery anodes: A chronicle perspective review
TL;DR: In this paper, the evolution of the concept, fundamental scientific and technology development of the silicon LIB anode are clearly presented, and the future trend of the Si-based anode research is shed light on the future trends.
Three-Dimensional Holey-Graphene/Niobia Composite Architectures for Ultrahigh-Rate Energy Storage
TL;DR: By systematically tailoring the porosity in the holey graphene backbone, charge transport in the composite architecture is optimized to deliver high areal capacity and high-rate capability at high mass loading, which represents a critical step forward toward practical applications.
Journal ArticleDOI
Mesoporous materials for energy conversion and storage devices
Wei Li,Jun Liu,Dongyuan Zhao +2 more
TL;DR: A review of mesoporous materials can be found in this paper, where the authors summarize the primary methods for preparing mesopore materials and discuss their applications as electrodes and/or catalysts in solar cells, solar fuel production, rechargeable batteries, supercapacitors and fuel cells.
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An Outlook on Lithium Ion Battery Technology
TL;DR: An outlook on lithium ion technology is presented by providing first the current status and then the progress and challenges with the ongoing approaches, and finally points out practically viable near-term strategies.
References
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High-performance lithium battery anodes using silicon nanowires
Candace K. Chan,Hailin Peng,Gao Liu,Kevin McIlwrath,Xiao Feng Zhang,Robert A. Huggins,Yi Cui +6 more
TL;DR: The theoretical charge capacity for silicon nanowire battery electrodes is achieved and maintained a discharge capacity close to 75% of this maximum, with little fading during cycling.
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Nano- and bulk-silicon-based insertion anodes for lithium-ion secondary cells
TL;DR: In this paper, a review of methodologies adopted for reducing the capacity fade observed in silicon-based anodes, discuss the challenges that remain in using silicon and siliconbased anode, and propose possible approaches for overcoming them.
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Stable cycling of double-walled silicon nanotube battery anodes through solid-electrolyte interphase control
Hui Wu,Gerentt Chan,Jang Wook Choi,Jang Wook Choi,Ill Ryu,Yan Yao,Matthew T. McDowell,Seok Woo Lee,Ariel Jackson,Yuan Yang,Liangbing Hu,Yi Cui,Yi Cui +12 more
TL;DR: It is shown that anodes consisting of an active silicon nanotube surrounded by an ion-permeable silicon oxide shell can cycle over 6,000 times in half cells while retaining more than 85% of their initial capacity.
Journal ArticleDOI
A pomegranate-inspired nanoscale design for large-volume-change lithium battery anodes
TL;DR: The design is inspired by the structure of a pomegranate, where single silicon nanoparticles are encapsulated by a conductive carbon layer that leaves enough room for expansion and contraction following lithiation and delithiation, resulting in superior cyclability and Coulombic efficiency.