Mechanical mismatch-driven rippling in carbon-coated silicon sheets for stress-resilient battery anodes

Jaegeon Ryu; Tianwu Chen; Taesoo Bok; Gyujin Song; Jiyoung Ma; Chihyun Hwang; Langli Luo; Hyun-Kon Song; Jaephil Cho; Chongmin Wang; Sulin Zhang; Soojin Park

doi:10.1038/s41467-018-05398-9

Nature Communications (Jul 2018)

Mechanical mismatch-driven rippling in carbon-coated silicon sheets for stress-resilient battery anodes

Jaegeon Ryu,
Tianwu Chen,
Taesoo Bok,
Gyujin Song,
Jiyoung Ma,
Chihyun Hwang,
Langli Luo,
Hyun-Kon Song,
Jaephil Cho,
Chongmin Wang,
Sulin Zhang,
Soojin Park

Affiliations

Jaegeon Ryu: Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)
Tianwu Chen: Department of Engineering Science and Mechanics, Pennsylvania State University
Taesoo Bok: Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)
Gyujin Song: Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)
Jiyoung Ma: Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)
Chihyun Hwang: Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)
Langli Luo: Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory
Hyun-Kon Song: Department of Chemical Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)
Jaephil Cho: Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)
Chongmin Wang: Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory
Sulin Zhang: Department of Engineering Science and Mechanics, Pennsylvania State University
Soojin Park: Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST)

DOI: https://doi.org/10.1038/s41467-018-05398-9
Journal volume & issue: Vol. 9, no. 1
pp. 1 – 8

Abstract

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Maintaining the structural stability during electrochemical cycling remains a big challenge facing the silicon anode material. Here, the authors have developed 2D silicon nanosheets coated with carbon layers, which show a unique mechanism in releasing internal stress by forming ripple structures.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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