Halloysite Nanotubes in Lithium-Ion Batteries

Natural halloysite nanotubes (HNTs) were purchased from Hunan Xianglei Kaolin Industrial Co., Ltd. Hydrochloric acid (HCl, 36%) and N-methylpyrrolidone (NMP, 99.89%) were obtained from Xilong Science Co., Ltd. Polyvinylidene fluoride (PVDF, 99.95%) and acetylene black (99.95%) were provided by Cyber Electrochemical Materials Network. A commercial polypropylene (PP) separator (Celgard 2500) was purchased from Celgard Company (USA). A LiFePO₄ powder was purchased from Pulead Technology Industry Co., Ltd. A lithium plate was obtained from China Energy Lithium Co., Ltd. An electrolyte solution (1 M lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) solution in 1,2-dimethoxyethane (DME) and 1,3-dioxolane (DOL) in a volume ratio of 1 : 1 + 2% LiNO₃) was supplied by Shanghai Songjing New Energy Technology Co., Ltd.

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Deng Q., Chuan X., Zhao Y., Liu F., Huang S, & Wu J. (2024). Development of composite separators by coating hydrochloric acid-treated halloysite nanotubes on polypropylene separators for lithium-ion batteries. RSC Advances, 14(24), 16912-16920.

Publication 2024

Hydrochloric acid

Corresponding Organization : Peking University

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Variable analysis

independent variables

Hydrochloric acid (HCl, 36%)
N-methylpyrrolidone (NMP, 99.89%)
Polyvinylidene fluoride (PVDF, 99.95%)
Acetylene black (99.95%)
LiFePO4 powder
Lithium plate
Electrolyte solution (1 M lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) solution in 1,2-dimethoxyethane (DME) and 1,3-dioxolane (DOL) in a volume ratio of 1 : 1 + 2% LiNO3)

dependent variables

Not explicitly mentioned

control variables

Natural halloysite nanotubes (HNTs) from Hunan Xianglei Kaolin Industrial Co., Ltd.
Commercial polypropylene (PP) separator (Celgard 2500) from Celgard Company (USA)

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