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The Giant Electrorheological Fluid with Long Lifetime and Good Thermal Stability Based on TiO2 Inlaid with Nanocarbons

Abstract

The bottleneck in the application of electrorheological (ER) fluids is the difficulty of simultaneously meeting both the performance and lifetime demands. In this paper, we propose to replace the polar molecules adsorbed on particles with nanoconductor and successfully synthesized a novel giant ER fluid made of TiO2 particles inlaid with nanocarbon clusters (jujube cake structure) by a simple modified hydrolysis-precipitation method to break this bottleneck. Its giant ER effect originates from the polarization of nanocarbon clusters in the local field produced by the polar charges of TiO2 particles and the strong interaction forces between nanocarbon clusters and between a nanocarbon cluster and the polar charges on the adjacent TiO2 particles. Moreover, the jujube cake structure of C-TiO2 particles is stable enough to withstand mechanical wear and high temperature, so the material displays a high yield stress, long lifetime, small current leakage and good thermal stability, which is believed to be promising candidate for practical ER fluid.

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Publication details

The article was received on 20 Jan 2019, accepted on 04 Apr 2019 and first published on 08 Apr 2019


Article type: Paper
DOI: 10.1039/C9TC00364A
Citation: J. Mater. Chem. C, 2019, Accepted Manuscript

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    The Giant Electrorheological Fluid with Long Lifetime and Good Thermal Stability Based on TiO2 Inlaid with Nanocarbons

    Z. Qiu, R. Shen, J. Huang, K. Lu and X. Xiong, J. Mater. Chem. C, 2019, Accepted Manuscript , DOI: 10.1039/C9TC00364A

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