DataVXACS Applied Nano MaterialsPaper
journal article·2021-05-28

Refined Tin Nanoparticles by Oxidation–Reduction Treatment for Use in Potassium-Ion Batteries

Meng Yu, Lie Yang, Liuyang Sun, Yongqiang Zhang, R. Narayan, Yuanbin Qin, Qinqin Fu, Liqiang Zhang, Xiaohui Ning

ACS Applied Nano Materials· Volume 4· Issue 5
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Source abstract

Abstract

A unique method is developed to synthesize Sn nanomaterials. Through an oxidation–reduction treatment, Sn particles are refined from the submicron (300 nm) to nanoscale (88 nm). With a series of ex situ and in situ experiments, we confirm that the Sn refinement follows the scattered nucleation and restricted fusion mechanism. The carbon films forming in oxidation play a key role in inducing the refinement as they restrict the agglomeration of Sn nanoparticles to keep the narrow size distribution. When used as anodes for potassium-ion batteries, the obtained Sn nanoparticles restricted in carbon films (r-Sn/C) exhibit enhanced cycling stability and capacity retention. This unprecedented treatment provides some enlightenment to produce functional nanomaterials used for energy storage applications.
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Research context

Energy storageNanomaterials

OpenAlex topics: Advancements in Battery Materials · Advanced battery technologies research · Advanced Battery Materials and Technologies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Center for Advancing Materials Performance from the Nanoscale (CAMP-Nano), State Key Laboratory for Mechanical Behaviour of Materials School of Materials Science and Engineering, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, P. R. China

Department of Materials Science and Engineering, Indian Institute of Technology, Delhi, New Delhi 110016, India

State Key Laboratory of Heavy Oil Processing, Beijing Key Laboratory of Failure, Corrosion, and Protection of Oil/Gas Facilities, China University of Petroleum Beijing, Beijing 102249, China

Funding

Ministry of Science and Technology of the People's Republic of China · Natural Science Foundation of Beijing Municipality · National Natural Science Foundation of China · State Key Laboratory for Mechanical Behavior of Materials · Beijing Natural Science Foundation of China · Haidian District in Beijing

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