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Influence of doping and controlled sn charge state on the properties and performance of SnO nanoparticles as anodes in li-ion batteries


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Vázquez López, Antonio and Maestre Varea, David and Ramírez Castellanos, Julio and González Calbet, José María and Pís, Igor and Nappini, Silvia and Yuca, Neslihan and Cremades Rodríguez, Ana Isabel (2020) Influence of doping and controlled sn charge state on the properties and performance of SnO nanoparticles as anodes in li-ion batteries. Journal of physical chemistry C, 124 (34). 18490 -18501. ISSN 1932-7447

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Official URL: http://dx.doi.org/10.1021/acs.jpcc.0c06318


Li-ion batteries (LiB) play nowadays a major role in several technological fields. In addition to enhanced high capacity and long cyclability, some other issues regarding safety, materials sustainability, and low cost remain unsolved. Tin oxide (SnO_2) presents several of those advantages as an anode material; however, some aspects still require to be investigated such as capacity fading over cycles. Herein, tin oxide nanoparticle-based anodes have been tested, showing high capacities and a significant cyclability over more than 150 cycles. A complementary strategy introducing doping elements such as Li and Ni during the synthesis by hydrolysis has been also evaluated versus the use of undoped materials, in order to assess the dependence on SnO_2 quality and properties of battery performance. Diverse aspects such as the Sn charge state in the synthesized nanoparticles, the variable incorporation of dopants, and the structure of defects have been considered in the understanding of the obtained capacity.

Item Type:Article
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©2020 American Chemical Society
We acknowledge Elettra Sincrotrone Trieste for providing access to its synchrotron radiation facilities. This work was supported by MINECO/FEDER/M-ERA.Net Cofund projects: RTI2018-097195-B-I00 and PCIN-2017-106. I.P. and S.N. gratefully acknowledge financial support from EUROFEL.

Uncontrolled Keywords:Doped SnO_2; Electrochemical performance; Luminescence properties; Resonant-photoemission; Hydrothermal synthesis; Optical-properties; Lithium; Composite; Fe; Ferromagnetism
Subjects:Sciences > Physics > Materials
Sciences > Physics > Solid state physics
ID Code:62378
Deposited On:07 Oct 2020 17:53
Last Modified:07 Oct 2020 17:53

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