Infinitesimal sulfur fusion yields quasi-metallic bulk silicon for stable and fast energy storage

Jaegeon Ryu, Ji Hui Seo, Gyujin Song, Keunsu Choi, Dongki Hong, Chongmin Wang, Hosik Lee (), Jun Hee Lee () and Soojin Park ()
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Jaegeon Ryu: Pohang University of Science and Technology (POSTECH)
Ji Hui Seo: Ulsan National Institute of Science and Technology (UNIST)
Gyujin Song: Ulsan National Institute of Science and Technology (UNIST)
Keunsu Choi: Ulsan National Institute of Science and Technology (UNIST)
Dongki Hong: Ulsan National Institute of Science and Technology (UNIST)
Chongmin Wang: Pacific Northwest National Laboratory
Hosik Lee: Ulsan National Institute of Science and Technology (UNIST)
Jun Hee Lee: Ulsan National Institute of Science and Technology (UNIST)
Soojin Park: Pohang University of Science and Technology (POSTECH)

Nature Communications, 2019, vol. 10, issue 1, 1-9

Abstract: Abstract A fast-charging battery that supplies maximum energy is a key element for vehicle electrification. High-capacity silicon anodes offer a viable alternative to carbonaceous materials, but they are vulnerable to fracture due to large volumetric changes during charge–discharge cycles. The low ionic and electronic transport across the silicon particles limits the charging rate of batteries. Here, as a three-in-one solution for the above issues, we show that small amounts of sulfur doping (

Date: 2019
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DOI: 10.1038/s41467-019-10289-8

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