Ceramic baking support with nitride matrix
A ceramic baking support with a crystalline nitride matrix addresses the challenges of chemical reactivity and thermal stress in lithium-ion battery cathode manufacturing by enhancing corrosion resistance and thermal shock resistance, facilitating easy cleaning and reuse.
FR3164459B1Active Publication Date: 2026-06-19SAINT GOBAIN CENT DE RES & DEVS & DETUD EUROEN
Patent Information
- Authority / Receiving Office
- FR · FR
- Patent Type
- Patents
- Current Assignee / Owner
- SAINT GOBAIN CENT DE RES & DEVS & DETUD EUROEN
- Filing Date
- 2024-07-12
- Publication Date
- 2026-06-19
Abstract
A firing support for a ceramic powder of alkali and / or alkali-earth oxide comprising a porous ceramic body for containing said powder, said body comprising a ceramic material consisting of ceramic grains linked by a matrix; said matrix representing by mass between 5% and 50% of said material and comprising a crystalline nitride phase of chemical formula MsAltOuNv, where M is a chemical element selected from Si, Mg, Li, Zr, and s, t, u and v are stoichiometric indices between 0 and 1 and normalized with respect to the highest, and where s+t > 0, and u ≥0, and v> 0; said grains of equivalent diameter greater than 150 micrometers and less than 300 micrometers representing by volume at least 10% of said material; said body having an open porosity of between 5 and 40%, and a median equivalent pore diameter of between 0.1 and 15 micrometers. No figure
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