A method for manufacturing a structure of a titanium compound selected from the group consisting of sheets, wires and tubes, the method comprising the steps of: performing one of: i) the consecutive steps a) and b) or ii) the step ab), before performing the consecutive steps c), d), and e), a) providing at least one titanic acid with the general formula [TiO x 4-2x] n and dissolving it in an aqueous solution comprising at least one compound selected from the group consisting of TiOCl 2, TiCl 4, and HCl so that a clear solution is obtained, wherein the pH of the clear solution is lower than 1 after dissolution, b) increasing the temperature of the clear solution until reaching a temperature in the interval 68-85 °C where precipitation starts to occur, adding at least one acidic stabilizer before the precipitation starts to occur, and holding that temperature during at least 1 minute during stirring to obtain a dispersion of particles comprising TiO 2 as an intermediate product, ab) providing a dispersion of particles comprising TiO 2, wherein the average diameter of the particles in the dispersion is 3-20 nm, preferably 4-15 nm, more preferably, 4.5-7 nm, and wherein the dispersion comprises at least one alpha hydroxy acid as acidic stabilizer, c) adjusting the concentration of hydroxide ions in the dispersion from step b) to at least 8 M by adding an alkali metal hydroxide MOH, d) treating the dispersion from step c) at a temperature in the interval 90-170 °C during 6-72 hours to obtain a plurality of first structures comprising alkali metal titanate, e) treating the plurality of first structures comprising alkali metal titanate to exchange at least a part of the alkali metal ions M + with H + to obtain a plurality of second structures comprising protonated titanate. performing one of: i) the consecutive steps a) and b) or ii) the step ab), i) the consecutive steps a) and b) or ii) the step ab), before performing the consecutive steps c), d), and e), a) providing at least one titanic acid with the general formula [TiO x 4-2x] n and dissolving it in an aqueous solution comprising at least one compound selected from the group consisting of TiOCl 2, TiCl 4, and HCl so that a clear solution is obtained, wherein the pH of the clear solution is lower than 1 after dissolution, b) increasing the temperature of the clear solution until reaching a temperature in the interval 68-85 °C where precipitation starts to occur, adding at least one acidic stabilizer before the precipitation starts to occur, and holding that temperature during at least 1 minute during stirring to obtain a dispersion of particles comprising TiO 2 as an intermediate product, ab) providing a dispersion of particles comprising TiO 2, wherein the average diameter of the particles in the dispersion is 3-20 nm, preferably 4-15 nm, more preferably, 4.5-7 nm, and wherein the dispersion comprises at least one alpha hydroxy acid as acidic stabilizer, c) adjusting the concentration of hydroxide ions in the dispersion from step b) to at least 8 M by adding an alkali metal hydroxide MOH, d) treating the dispersion from step c) at a temperature in the interval 90-170 °C during 6-72 hours to obtain a plurality of first structures comprising alkali metal titanate, e) treating the plurality of first structures comprising alkali metal titanate to exchange at least a part of the alkali metal ions M + with H + to obtain a plurality of second structures comprising protonated titanate. a) providing at least one titanic acid with the general formula [TiO x 4-2x] n and dissolving it in an aqueous solution comprising at least one compound selected from the group consisting of TiOCl 2, TiCl 4, and HCl so that a clear solution is obtained, wherein the pH of the clear solution is lower than 1 after dissolution, b) increasing the temperature of the clear solution until reaching a temperature in the interval 68-85 °C where precipitation starts to occur, adding at least one acidic stabilizer before the precipitation starts to occur, and holding that temperature during at least 1 minute during stirring to obtain a dispersion of particles comprising TiO 2 as an intermediate product, ab) providing a dispersion of particles comprising TiO 2, wherein the average diameter of the particles in the dispersion is 3-20 nm, preferably 4-15 nm, more preferably, 4.5-7 nm, and wherein the dispersion comprises at least one alpha hydroxy acid as acidic stabilizer, c) adjusting the concentration of hydroxide ions in the dispersion from step b) to at least 8 M by adding an alkali metal hydroxide MOH, d) treating the dispersion from step c) at a temperature in the interval 90-170 °C during 6-72 hours to obtain a plurality of first structures comprising alkali metal titanate, e) treating the plurality of first structures comprising alkali metal titanate to exchange at least a part of the alkali metal ions M + with H + to obtain a plurality of second structures comprising protonated titanate.