Sodium Silicide
From Handwiki Sodium silicide (NaSi, Na4Si4) is a binary inorganic compound consisting of sodium and silicon. It is a solid black or grey crystalline material.[1] Sodium silicide reacts readily with water yielding gaseous hydrogen and aqueous sodium silicate in an exothermic reaction (~175 kJ·mol−1):[2]
- 2 NaSi + 5 H2O → 5 H2 + Na2Si2O5
This is used in hydrogen technologies to generate hydrogen as a fuel. And is also used as high energy dense storage for hydrogen under low pressure.[3]
See also
- Silicide
- Binary compounds of silicon
External links
- SiGNa Chemistry, Inc.
References
- ↑ Material Safety Data Sheet, SiGNa Chemistry, Inc.
- ↑ Hydrogen Production from Sodium Silicide Powder; Prospects for On-Board Generation, 14 July 2006
- ↑ "Silicide-Based Hydrogen Generation for Back-Up Power and Portable Fuel Cells". July 2013. http://www.signachem.com/wp-content/uploads/2015/06/3.1_NaSi-White-Paper-WEB1.pdf.
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Categories: [Silicides] [Sodium compounds]
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