CC BY 4.0 UnportedLeistenschneider, DesiréeJäckel, NicolasHippauf, FelixPresser, VolkerBorchardt, Lars2018-04-042019-06-282017https://doi.org/10.34657/5101https://oa.tib.eu/renate/handle/123456789/4652A solvent-free synthesis of hierarchical porous carbons is conducted by a facile and fast mechanochemical reaction in a ball mill. By means of a mechanochemical ball-milling approach, we obtained titanium(IV) citrate-based polymers, which have been processed via high temperature chlorine treatment to hierarchical porous carbons with a high specific surface area of up to 1814 m2 g−1 and well-defined pore structures. The carbons are applied as electrode materials in electric double-layer capacitors showing high specific capacitances with 98 F g−1 in organic and 138 F g−1 in an ionic liquid electrolyte as well as good rate capabilities, maintaining 87% of the initial capacitance with 1 M TEA-BF4 in acetonitrile (ACN) and 81% at 10 A g−1 in EMIM-BF4.application/pdfenghttps://creativecommons.org/licenses/by/4.0/620electrochemical energy storagemesoporousmicroporoussolvent-freesupercapacitortemplated carbonArticle