Ceramic, vaporization core, and vaporizer
A ceramic includes: a ceramic base; and a modification layer arranged on a surface of the ceramic base. The modification layer includes a bismuth-based oxide and other components. In an embodiment, the ceramic base includes a porous ceramic. In an embodiment, the bismuth-based oxide includes bismuth trioxide. In an embodiment, a mass percentage of bismuth in the modification layer is 50% to 80%.
1 . A ceramic, comprising:
a ceramic base; and
a modification layer arranged on a surface of the ceramic base,
wherein the modification layer comprises a bismuth-based oxide.
2 . The ceramic of claim 1 , wherein the ceramic base comprises a porous ceramic.
3 . The ceramic of claim 2 , wherein the bismuth-based oxide comprises bismuth trioxide.
4 . The ceramic of claim 2 , wherein a mass percentage of bismuth in the modification layer is 50% to 80%.
5 . The ceramic of claim 2 , wherein the modification layer further comprises at least one of sodium, magnesium, aluminum, silicon, potassium, calcium, titanium, zinc, zirconium, and barium.
6 . The ceramic of claim 5 , wherein the modification layer comprises zinc, and
wherein a mass percentage of zinc in the modification layer is 5% to 7%.
7 . The ceramic of claim 2 , wherein the modification layer does not contain lead.
8 . The ceramic of claim 2 , wherein the modification layer comprises a continuous porous structure.
9 . A vaporization core, comprising:
the ceramic of claim 2 ; and
a heating layer stacked on a surface of the modification layer away from the ceramic base.
10 . A vaporizer, comprising:
a liquid storage chamber configured to store an aerosol-forming medium; and
the vaporization core of claim 9 ,
wherein the vaporization core is configured to absorb and heat the aerosol-forming medium in the liquid storage chamber to vaporize the aerosol-forming medium.
11 . The ceramic of claim 5 , wherein titanium, zirconium, and barium are applied as trace elements and account for less than 0.009% by mass of the modification layer.
12 . The ceramic of claim 2 , wherein a porosity of the porous ceramic is 30% to 70%.
13 . The ceramic of claim 2 , wherein a pore size of the porous ceramic is 200 nm to 200 μm.
14 . The ceramic of claim 13 , wherein a thickness of the modification layer is equal to or less than the pore size of the porous ceramic so as to form a continuous porous structure.
15 . The ceramic of claim 1 , wherein a thickness of the modification layer is 50 μm to 200 μm.
16 . The ceramic of claim 1 , wherein the modification layer further comprises zinc oxide so as to lower a sintering temperature of the modification layer.
17 . The vaporization core of claim 9 , wherein the heating layer comprises metal or alloy, the heating layer being configured to generate heat when energized so as to heat an aerosol-forming medium.
18 . The vaporization core of claim 17 , wherein the heating layer comprises a titanium-zirconium alloy film, and
wherein a pore size of pores in the titanium-zirconium alloy film is less than a pore size of pores in the surface of the modification layer.
19 . The vaporization core of claim 9 , wherein the heating layer comprises a porous heating film structure.
20 . A ceramic comprising:
a ceramic base; and
a modification layer arranged on a surface of the ceramic base, the modification layer comprising a bismuth-based oxide, and at least one of sodium, magnesium, aluminum, silicon, potassium, calcium, titanium, zinc, zirconium, and barium,
wherein a mass percentage range of bismuth in the modification layer is 50% to 80%.