Can Combustion Synthesis on LiNO3 Produce Lithium Oxide Li2O?

  • Thread starter mykey651
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In summary, the speaker is conducting a combustion synthesis process to obtain lithium oxide Li2O from LiNO3 using different fuels and molar ratios. However, they have not been successful and have found limited information on this specific process. They are now considering using a furnace to decompose LiNO3 into Li2O. The suggested equation and temperature for this process are provided, but the speaker is still waiting for XRD analysis to confirm the success of the process. They also ask for any additional information or suggestions on this matter.
  • #1
mykey651
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TL;DR Summary
SCS on LiNO3 expected to obtain Li2O
I'm trying to obtain some lithium oxide Li2O using combustion synthesis on LiNO3. I tried different fuels such as: citric acid, urea, sucrose, glycine in different molar ratios. I follow the steps for SCS with gel formation, and combustion temperature but the results it's still the same. I always obtain LiNO3 back and sometimes some other Li-C compounds (maybe Li2CO3). I couldn't find any article on SCS for LiNO3 for Li2O obtaining but just some Li compounds with Mn, Co, Ni, Fe etc. but not just Li2O. Has anybody any idea what would be the catch? I currently working on decomposition of LiNO3 into Li2O using open flame and maybe a furnace. I would appreciate any suggestion, documents, articles, opinion on this matter. Thanks
 
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  • #2
I have never done this but I think heating LiNO3 in a furnace @ 485 C should do it. The equation is
4LiNO3 + heat ==> 2Li2O + 4NO2 + O2

The temperature should be controlled since I understand that heating above 500 C will likely form LiNO2 but I can't confirm that.

Hope it works
 
  • #3
Thank you Dr Bob.

Im waiting for xrd analysis on decomposed LiNO3 sample. I observed some bright white powder as result, similar with Li2O in appearance. Also i have found some limited information about LiNO3 deconposition. Can you share some with me if it is available?

Thank you
 

FAQ: Can Combustion Synthesis on LiNO3 Produce Lithium Oxide Li2O?

Can combustion synthesis of LiNO3 produce lithium oxide (Li2O)?

Yes, combustion synthesis of lithium nitrate (LiNO3) can produce lithium oxide (Li2O) as one of the products, typically through a reduction reaction involving a reducing agent like hydrogen or carbon.

What are the necessary conditions for the combustion synthesis of LiNO3 to produce Li2O?

The necessary conditions usually include a high-temperature environment and the presence of a reducing agent. The reaction must be carefully controlled to ensure that Li2O is the primary product rather than other lithium compounds.

What are the by-products of the combustion synthesis of LiNO3?

The by-products of the combustion synthesis of LiNO3 can include nitrogen oxides (NOx), such as NO2 or N2O, depending on the reaction conditions and the reducing agent used.

Is the combustion synthesis of LiNO3 to produce Li2O efficient?

The efficiency of the combustion synthesis process can vary. It is generally considered efficient if the reaction conditions are optimized, but side reactions and the formation of by-products can reduce overall yield and efficiency.

What are the potential applications of Li2O produced by combustion synthesis of LiNO3?

Lithium oxide (Li2O) has several applications, including use in ceramics, glass production, and as a precursor for lithium-ion battery materials. Its production through combustion synthesis can be particularly useful for high-purity requirements in these applications.

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