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SnO2@rice husk cellulose composite as an anode for superior lithium ion batteries

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Abstract

Tin oxide (SnO2) has been considered as a promising anode candidate for lithium ion batteries (LIBs) due to its high theoretical capacity (782 mA h g−1). However, the large volume change (>300%) and severe structural collapse during cycles are serious. Herein, we design and synthesize a composite composed of rice husk cellulose (RHC) encapsulated SnO2. The ultrafine SnO2 nanoparticles were embedded in carbon film via a facile hydrothermal approach. It is worthy of note that the proposed hydrothermal treatment plays an indispensable role in the formation of this SnO2@RHC composite. As a promising anode for lithium ion batteries, the SnO2@RHC composite exhibits a large initial discharge capacity (2090 mA h g−1) and high capacities of 930 and 587 mA h g−1 after 100 cycles, respectively, at 0.2C and even 1C. The outstanding performance may benefit from the well-designed versatile nanostructure and the synergistic effects between the SnO2 and RHC.

Graphical abstract: SnO2@rice husk cellulose composite as an anode for superior lithium ion batteries

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Publication details

The article was received on 19 Mar 2019, accepted on 05 May 2019 and first published on 06 May 2019


Article type: Paper
DOI: 10.1039/C9NJ01435G
New J. Chem., 2019, Advance Article

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    SnO2@rice husk cellulose composite as an anode for superior lithium ion batteries

    Z. Hu, X. Xu, X. Wang, K. Yu, J. Hou and C. Liang, New J. Chem., 2019, Advance Article , DOI: 10.1039/C9NJ01435G

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