Table 2 The possible reactions during precipitant growth process
From: Kernel learning assisted synthesis condition exploration for ternary spinel
Reaction type | Reaction equations |
|---|---|
Potassium carbonate dissociation | \({{\mbox{K}}}_{2}{{\mbox{CO}}}_{3}\to 2{{\mbox{K}}}^{+}+{{\mbox{CO}}\,}_{3}^{2-}\) |
\({\,{\mbox{CO}}}_{3}^{2-}+{{\mbox{H}}}_{2}{\mbox{O}}\leftrightharpoons {{\mbox{HCO}}}_{3}^{-}+{{\mbox{OH}}}^{-}\) | |
\({\,{\mbox{HCO}}}_{3}^{-}+{{\mbox{H}}}_{2}{\mbox{O}}\leftrightharpoons {{\mbox{H}}}_{2}{{\mbox{CO}}}_{3}+{{\mbox{OH}}}^{-}\) | |
H2CO3 ⇋ CO2 + H2O | |
Precipitant growth | \({{\mbox{M}}}^{n+}+\frac{n}{2}{{\mbox{CO}}}_{3}^{2-}\leftrightharpoons {{\rm{M}}}{({{\mbox{CO}}}_{3})}_{\frac{n}{2}}\) |
Mn+ + nOH− ⇋ M(OH)n | |
Precipitant dissolution | \({{\rm{M}}}{({{\mbox{CO}}}_{3})}_{\frac{n}{2}}\leftrightharpoons {{\mbox{M}}}^{n+}+\frac{n}{2}{{\mbox{CO}}\,}_{3}^{2-}\) |
M(OH)n ⇋ Mn+ + nOH− |
