Gallium Nitride Nanoparticles Embedded in a Carbon Nanofiber Anode for Ultralong-Cycle-Life Lithium-Ion Batteries

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Recently, gallium (Ga), one of the liquid metals (LMs), has been explored with special attention because of its liquid phase nature as a self-healing agent and Li storage characteristics. The current challenge that restricts the practical use of Ga is handling Ga easily without loss and understanding its reaction behavior in Li-ion batteries. One solution that helps to address the problem associated with liquid phases is to make solid phases such as gallium oxides and nitrides as starting materials for a stable conversion reaction. Here, we have successfully incorporated GaN nanoparticles into carbon confiners [1D carbon nanofibers (CNFs) with the outermost carbon coating layer] as an anode for the Li-ion battery. By preserving liquid Ga derived from GaN after the conversion reaction in conductive walls, long-term cycling performance (over 5000 cycles) is achievable. This work provides an insight into the LM-relevant materials/carbon composite in the area of the rechargeable battery.
Publisher
AMER CHEMICAL SOC
Issue Date
2019-11
Language
English
Article Type
Article
Citation

ACS APPLIED MATERIALS & INTERFACES, v.11, no.47, pp.44263 - 44269

ISSN
1944-8244
DOI
10.1021/acsami.9b15231
URI
http://hdl.handle.net/10203/270288
Appears in Collection
MS-Journal Papers(저널논문)
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