Improved antioxidative ability of porous carbons by boron-doping
Source abstract
Abstract
Porous carbon prepared by KOH chemical activation was doped with boron using B4C as an additive (mass fraction of 10%) by heat treatment at 850 °C for 5 h to increase its antioxidative ability. This effect is a result of a decrease in the number of active sites on the surface of the carbon after heat treatment, which inhibits its reaction with the oxidizing gas. The volume of micro and mesopores and BET surface area decreased after the doping. Although the activity of the doped porous carbon in catalytic cracking evaluated in a microreactor decreased after the doping, it still reached a higher value (70%) than that of porous carbon.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Supercapacitor Materials and Fabrication · Fuel Cells and Related Materials · Zeolite Catalysis and Synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (23)
Show source-provided references
1. The role of substitutional boron in carbon oxidation [J]10.1016/S0008-6223(98)00156-0 ↗
2. C/C composites oxidation model I: Morphological experimental investigation [J]10.1016/S0008-6223(99)00103-7 ↗
3. C/C composites oxidation model II: Oxidation experimental investigation [J]10.1016/S0008-6223(99)00104-9 ↗
4. C/C composites oxidation model ?: Physical basis, limitations and applications [J]10.1016/S0008-6223(99)00105-0 ↗
5. Preferential distribution and oxidation inhibiting/catalytic effects of boron in carbon fiber reinforced carbon (CFRC) composites[J]10.1016/S0008-6223(03)00372-5 ↗
6. The future of carbon/carbon composites [J]10.1016/0008-6223(87)90116-3 ↗
7. The applied condtion of Carbon/Carbon composites on aviation and spaceflight[J]
8. Structure modification of ultra activated carbon from petroleum cok[J]
9. Ceramic Bulletin[J]
10. The antioxidative methods and the developing trend of carbon/carbon composites[J]
11. Synthesis and characterization of boron-doped carbons[J]10.1016/0008-6223(94)00160-2 ↗
12. Cermignani · 1997
13. Inhibition of catalytic Oxidation of carbon/carboncomposites by phosporus[J]
14. Inhibition of catalytic of carbon/carbon composites by boron-doping[J]
15. Oxidation of monolayer graphiteon Pt (111) by B2 O3[J]10.1016/0039-6028(94)90233-X ↗
16. Boronated carbons: structural characterization and low temperature physical properties of disorderedsolids[J]10.1039/a703625f ↗
17. Synthesis and characterization of boron-substituted carbons[J]10.1016/S0008-6223(99)00279-1 ↗
18. The effects of boron additives on the oxidation behavior of carbon[J]10.1016/0008-6223(84)90083-6 ↗
19. Borate treatment of carbon fibers and carbon/carbon composites for improved oxidation resistance[J]10.1016/0008-6223(86)90183-1 ↗
20. Inhibition of the oxidation of carbon/carbon composite by boron oxide[J]10.1016/0008-6223(86)90274-5 ↗
21. Improvement in properties and air oxidation resistance of carbon materials by boron oxide impregnation[J]10.1016/S0008-6223(96)00128-5 ↗
22. Effect of low level boron-doping on oxidation behavior of polymide-derved carbon films[J]10.1016/S0008-6223(99)00245-6 ↗
23. Gate · 1979