NOVELTY - Product formed from a ceramic material, comprising pores, is claimed, where: at least part of the product is not formed from amorphous silica; at least 70% of the pores are tubular pores extending substantially parallel to each other in longitudinal direction; and in at least one cross-section plane including, at least 30% of the pores have a section of convex hexagonal shape, and are known as hexagonal pores in which at least 80% of the hexagonal pores have a roundness index of greater than 0.70.    USE - The product is useful in device including ceramic electrochemical cell, fuel cells including solid oxide fuel cell, intermediate temperature solid oxide fuel cell, protonic ceramic fuel cell, single-chamber fuel cell, filter element of a liquid or gaseous fluid, a storage microstructure used for storing a substance in the pores, a catalyst support, a heat exchanger, heat insulator, fluid distributor for conveying the fluid, and a gas distributor, a drop separator or a trickle block for an air processing plant, a battery including battery electrolyte, a supercapacitor, a moisture adsorber, and a combustion microchamber (claimed).    ADVANTAGE - The product has good mechanical properties including good compression strength.    DETAILED DESCRIPTION - Product formed from a ceramic material comprising pores, is claimed, where: at least part of the product is not formed from amorphous silica; at least 70% of the pores are tubular pores extending substantially parallel to each other in a longitudinal direction; in at least one cross-section plane including, at least 30% of the pores have a section of convex hexagonal shape and are known as hexagonal pores in which at least 80% of the hexagonal pores have a roundness index of greater than 0.70; and the roundness index is equal to the ratio SA/LA of the lengths of the small and long axes of the ellipse in which the section is inscribed, and the mean size of the cross-sections of the pores is greater than 0.15 mu m and less than 25 mu m. INDEPENDENT CLAIMS are included for:    (1) a device comprising the product, impregnated with an impregnation material comprising zirconium oxide, partially stabilized zirconium oxide, stabilized zirconium oxide, yttrium oxide, doped yttrium oxide, titanium oxide, aluminosilicates, cordierite, aluminum oxide, hydrated aluminas, magnesium oxide, talc, nickel oxide, iron oxides, cerium oxide, doped cerium oxide, oxides of perovskite structure, lanthanum compound of formulae (La4Sr8Ti11Mn1-xGaxO38), (La4Sr8Ti12-nMnnMnnO38), and (LaxSr1-xScO3), barium titanate, barium metazirconate, lead compound of formula (Pb(Mg(0.25)Nb(0.75)O3)), and (Pb(Zn(0.25)Nb(0.75))O3), lead titanate, cubic perovskite-related ceramic compound, compounds of bimevox-type structure, compounds of lamox-type structure, strontium compounds of formula (SrCe1-xMxO3), barium compound of formulae (BaCe1-xMxO3), and (Ba(Zn(0.25)Nb(0.75))O3), zeolites of formula (Nax1Cax2Mgx3Bax4Kx5Alx6(Six7Ox8)x9H2O), silicon carbide, silicon nitride, boron nitride, boron carbide, tungsten carbide, molybdenum disilicide, and/or titanium boride, and a catalytic coating comprising or formed from a catalyst material including metals, preferably iron, cobalt, nickel, molybdenum, copper, ruthenium, rhodium, platinum, palladium, gold, silver, iridium, osmium, and/or rhenium, oxides, preferably oxides of scandium, titanium, vanadium, chromium, cobalt, copper, palladium, molybdenum, iron, nickel, tungsten, rhenium, oxides of perovskite structure, oxides of fluorite structure, zeolites, and/or lanthanide oxides, preferably cobalt cerium, carbides, and oxycarbides of formula ((carbide)1-xOx), and the catalytic coating being a coating comprising or formed from a catalyst material known for catalyzing a chemical reaction; and    (2) manufacturing method, comprising (a) preparation of a slip that is suitable for the manufacture of the porous product, and comprising, as a volume percentage, more than 4% of a powder of ceramic particles suspended in an aqueous liquid phase comprising a crystal growth activator, (b) optionally, pouring the slip into a mould and/or removal of the air bubbles contained in the slip, (c) oriented freezing the slip so as to form a block comprising an assembly of ice crystals each having an elongated frustoconical tubular shape, (d) optionally, stripping the block of frozen slip from the mould, (e) removing the ice crystals from the frozen block of slip, optionally stripped from the mould, preferably by sublimation, so as to obtain a porous preform, (f) optionally, removing binder from the porous preform obtained at the end of step (e), (g) optionally, sintering the porous preform obtained at the end of step (e) or (f) so as to obtain a porous sintered product, and (h) optionally, machining and impregnation of the porous sintered product, where in step (a) the zirconium acetate and/or one or more zirconium acetate precursors are added to the slip in an amount such that the concentration of zirconium provided by the zirconium acetate is 14-170 g/1 of aqueous liquid phase, the powder of ceramic particles is introduced into the aqueous liquid phase after introduction of the zirconium acetate or zirconium acetate precursor, the pH of the slip is adjusted to 2.75-5, and the amount of powder of ceramic particles in the slip is less than 50% by volume.    x, n = 0-1;    M = rare-earth metal; and    x1-x9 = positive integers or zero.