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Open AccessArticle

0D-1D Hybrid Silicon Nanocomposite as Lithium-Ion Batteries Anodes

1
Department of Applied Physics, Laboratory of Coatings and Nanostructures and Instituto Nicolás Cabrera, Universidad Autónoma de Madrid (UAM), Cantoblanco, 28049 Madrid, Spain
2
School of Chemistry, CRANN & AMBER, Trinity College Dublin, 02 Dublin, Ireland
3
Nanomaterials Research Group, Department of Chemistry, Universidad Ana G. Méndez-Gurabo Campus, 189 St Rd km 3.3, Gurabo, PR 00778, USA
*
Authors to whom correspondence should be addressed.
Current address: School of Chemistry, CRANN & AMBER, Trinity College Dublin, 02 Dublin, Ireland.
Nanomaterials 2020, 10(3), 515; https://doi.org/10.3390/nano10030515
Received: 24 February 2020 / Revised: 6 March 2020 / Accepted: 9 March 2020 / Published: 12 March 2020
Lithium ion batteries (LIBs) are the enabling technology for many of the societal changes that are expected to happen in the following years. Among all the challenges for which LIBs are the key, vehicle electrification is one of the most crucial. Current battery materials cannot provide the required power densities for such applications and therefore, it makes necessary to develop new materials. Silicon is one of the proposed as next generation battery materials, but still there are challenges to overcome. Poor capacity retention is one of those drawbacks, and because it is tightly related with its high capacity, it is a problem rather difficult to address with common and scalable fabrication processes. Here we show that combining 0D and 1D silicon nanostructures, high capacity and stability can be achieved even using standard electrode fabrication processes. Capacities as high as 1200 mAh/g for more than 500 cycles at high current densities (2 A/g) were achieved with the produced hybrid 0D/1D electrodes. In this research, it was shown that while 0D nanostructures provide good strain relaxation capabilities, 1D nanomaterials contribute with enhanced cohesion and conductive matrix integrity. View Full-Text
Keywords: silicon; lithium ion batteries; nanomaterials; 0D; 1D silicon; lithium ion batteries; nanomaterials; 0D; 1D
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Pinilla, S.; Park, S.-H.; Fontanez, K.; Márquez, F.; Nicolosi, V.; Morant, C. 0D-1D Hybrid Silicon Nanocomposite as Lithium-Ion Batteries Anodes. Nanomaterials 2020, 10, 515.

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