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\bibitem{Ren_etal2016} {\textquotedblleft}\textit{3D interconnected hierarchically macro-mesoporous TiO$_{2}$networks optimized by biomolecular self-assembly for high performance lithium ion batteries}{\textquotedblright}. Ren X-N, Wu L, Jin J, Liu J, Hu Z-Y, Li Y, Hasan T, Yang X-Y, Van Tendeloo G, Su B-L, RSC advances \textbf{6}, 26856 (2016).   http://doi.org/10.1039/C6RA00332J

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