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Si Nanowires: from model system to practical Li-Ion anode material and beyond

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journal contribution
posted on 2024-03-21, 12:03 authored by Syed Abdul AhadSyed Abdul Ahad, TADHG KENNEDYTADHG KENNEDY, HUGH GEANEYHUGH GEANEY

ABSTRACT: Nanowire (NW)-based anodes for Li-ion batteries (LIBs) have been under investigation for more than a decade, with their unique one-dimensional (1D) morphologies and ability to transform into interconnected active material networks offering potential for enhanced cycling stability with high capacity. This is particularly true for silicon (Si)-based anodes, where issues related to large volumetric expansion can be partially mitigated and the cycle life can be enhanced. In this Perspective, we highlight the trajectory of Si NWs from a model system to practical Li-ion battery anode material and future prospects for extension to beyond Li-ion batteries. The study examines key research areas related to Si NW-based anodes, including state-of-the-art (SoA) characterization approaches followed by practical anode design considerations, including NW composite anode formation and upscaling/full-cell considerations. An outlook on the practical prospects of NW-based anodes and some future directions for study are detailed.

Funding

Silicon Anodes through Nanostructural Development (SAND)

Science Foundation Ireland

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MAREI_Phase 2

Science Foundation Ireland

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AMBER_Phase 2

Science Foundation Ireland

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History

Publication

ACS Energy Letters 9

Publisher

American Chemical Society

Other Funding information

Department of Enterprise, Trade and Employment and Enterprise Ireland Irish Government’s Disruptive Technology Innovation Fund (Grant No. DT2020-0222). Sustainable Energy Authority of Ireland Research Development and Demonstration Funding Program (Grant No. 19/RDD/548)

Sustainable development goals

  • (9) Industry, Innovation and Infrastructure

Department or School

  • Chemical Sciences

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