Dichlorosilane-derived nano-silicon inside hollow carbon spheres as a high-performance anode for Li-ion batteries

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

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Dichlorosilane-derived nano-silicon inside hollow carbon spheres as a high-performance anode for Li-ion batteries. / Jaumann, Tony; Gerwig, Maik; Balach, Juan et al.
in: Journal of Materials Chemistry A, Jahrgang 5.2017, Nr. 19, 05.2017, S. 9262-9271.

Publikationen: Beitrag in FachzeitschriftArtikelForschung(peer-reviewed)

Harvard

Jaumann, T, Gerwig, M, Balach, J, Oswald, S, Brendler, E, Hauser, R, Kieback, B, Eckert, J, Giebeler, L & Kroke, E 2017, 'Dichlorosilane-derived nano-silicon inside hollow carbon spheres as a high-performance anode for Li-ion batteries', Journal of Materials Chemistry A, Jg. 5.2017, Nr. 19, S. 9262-9271. https://doi.org/10.1039/C7TA00188F

APA

Jaumann, T., Gerwig, M., Balach, J., Oswald, S., Brendler, E., Hauser, R., Kieback, B., Eckert, J., Giebeler, L., & Kroke, E. (2017). Dichlorosilane-derived nano-silicon inside hollow carbon spheres as a high-performance anode for Li-ion batteries. Journal of Materials Chemistry A, 5.2017(19), 9262-9271. https://doi.org/10.1039/C7TA00188F

Vancouver

Jaumann T, Gerwig M, Balach J, Oswald S, Brendler E, Hauser R et al. Dichlorosilane-derived nano-silicon inside hollow carbon spheres as a high-performance anode for Li-ion batteries. Journal of Materials Chemistry A. 2017 Mai;5.2017(19):9262-9271. Epub 2017 Mär 29. doi: 10.1039/C7TA00188F

Author

Jaumann, Tony ; Gerwig, Maik ; Balach, Juan et al. / Dichlorosilane-derived nano-silicon inside hollow carbon spheres as a high-performance anode for Li-ion batteries. in: Journal of Materials Chemistry A. 2017 ; Jahrgang 5.2017, Nr. 19. S. 9262-9271.

Bibtex - Download

@article{f99dceb2368f471b9097f79c1e7b4633,
title = "Dichlorosilane-derived nano-silicon inside hollow carbon spheres as a high-performance anode for Li-ion batteries",
abstract = "A novel and cost-effective synthesis of silicon nanocrystallites (<10 nm) sealed in hollow carbon spheres (nc-Si@HCS) is developed as a promising anode material for high-performance Li-ion batteries (LIBs). The preparation method involves dichlorosilane (H2SiCl2) as widely available feedstock, to form a hydrogen-rich polysiloxane as a precursor for the production of large quantities of silicon nanoparticles. The final electrode material is composed of agglomerated 5 nm sized silicon nanoparticles encapsulated within hollow micro-sized carbon structures. A high specific capacity of 1570 mA h gelectrode−1 at 0.25 A g−1 with a capacity retention of 65% after 250 deep discharge cycles and a reversible high areal capacity of up to 4 mA h cm−2 at a total mass loading of 3.2 mg cm−2 impressively demonstrate the excellent features of this novel anode material. We performed a detailed structural as well as electrochemical characterization in different electrolytes. Post mortem investigations help to understand the degradation mechanism in our material. The study herein heralds a new approach to structurally design advanced negative electrode materials with the potential to increase the specific energy of LIBs and to boost future electro-mobility technology.",
author = "Tony Jaumann and Maik Gerwig and Juan Balach and Steffen Oswald and Erica Brendler and Ralf Hauser and Bernd Kieback and J{\"u}rgen Eckert and Lars Giebeler and Edwin Kroke",
year = "2017",
month = may,
doi = "10.1039/C7TA00188F",
language = "English",
volume = "5.2017",
pages = "9262--9271",
journal = "Journal of Materials Chemistry A",
issn = "2050-7488",
publisher = "Royal Society of Chemistry",
number = "19",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Dichlorosilane-derived nano-silicon inside hollow carbon spheres as a high-performance anode for Li-ion batteries

AU - Jaumann, Tony

AU - Gerwig, Maik

AU - Balach, Juan

AU - Oswald, Steffen

AU - Brendler, Erica

AU - Hauser, Ralf

AU - Kieback, Bernd

AU - Eckert, Jürgen

AU - Giebeler, Lars

AU - Kroke, Edwin

PY - 2017/5

Y1 - 2017/5

N2 - A novel and cost-effective synthesis of silicon nanocrystallites (<10 nm) sealed in hollow carbon spheres (nc-Si@HCS) is developed as a promising anode material for high-performance Li-ion batteries (LIBs). The preparation method involves dichlorosilane (H2SiCl2) as widely available feedstock, to form a hydrogen-rich polysiloxane as a precursor for the production of large quantities of silicon nanoparticles. The final electrode material is composed of agglomerated 5 nm sized silicon nanoparticles encapsulated within hollow micro-sized carbon structures. A high specific capacity of 1570 mA h gelectrode−1 at 0.25 A g−1 with a capacity retention of 65% after 250 deep discharge cycles and a reversible high areal capacity of up to 4 mA h cm−2 at a total mass loading of 3.2 mg cm−2 impressively demonstrate the excellent features of this novel anode material. We performed a detailed structural as well as electrochemical characterization in different electrolytes. Post mortem investigations help to understand the degradation mechanism in our material. The study herein heralds a new approach to structurally design advanced negative electrode materials with the potential to increase the specific energy of LIBs and to boost future electro-mobility technology.

AB - A novel and cost-effective synthesis of silicon nanocrystallites (<10 nm) sealed in hollow carbon spheres (nc-Si@HCS) is developed as a promising anode material for high-performance Li-ion batteries (LIBs). The preparation method involves dichlorosilane (H2SiCl2) as widely available feedstock, to form a hydrogen-rich polysiloxane as a precursor for the production of large quantities of silicon nanoparticles. The final electrode material is composed of agglomerated 5 nm sized silicon nanoparticles encapsulated within hollow micro-sized carbon structures. A high specific capacity of 1570 mA h gelectrode−1 at 0.25 A g−1 with a capacity retention of 65% after 250 deep discharge cycles and a reversible high areal capacity of up to 4 mA h cm−2 at a total mass loading of 3.2 mg cm−2 impressively demonstrate the excellent features of this novel anode material. We performed a detailed structural as well as electrochemical characterization in different electrolytes. Post mortem investigations help to understand the degradation mechanism in our material. The study herein heralds a new approach to structurally design advanced negative electrode materials with the potential to increase the specific energy of LIBs and to boost future electro-mobility technology.

U2 - 10.1039/C7TA00188F

DO - 10.1039/C7TA00188F

M3 - Article

VL - 5.2017

SP - 9262

EP - 9271

JO - Journal of Materials Chemistry A

JF - Journal of Materials Chemistry A

SN - 2050-7488

IS - 19

ER -