Materials for Chemical-Looping with Oxygen Uncoupling

Table 1

Reaction enthalpies for combustion and oxidation reactions.

	Δ𝐻 850 (kJ/mol O2)	Δ𝐻/Δ𝐻combCH4	Δ𝐻/Δ𝐻 comb C	Δ𝐻/Δ𝐻 comb coal
O2 + 1/2CH4 → 1/2CO2 + H2O	−401.0	1.00
O2 + C → CO2	−394.8		1.00
O2 + 1.5C0.57H0.40O0.03∗ → 0.87CO2 + 0.3H2O	−410.4			1.00
O2 + 2Cu2O → 4CuO	−263.2	0.66	0.67	0.64
O2 + 4Mn3O4 → 6Mn2O3	−193.9	0.48	0.49	0.47
O2 + 6CoO → 2Co3O4	−408.2	1.02	1.03	0.99
4(Mn0.8Fe0.2)3O4 + O2 (g)→ 6(Mn0.8Fe0.2)2O3 + O2 (g)	−254^1	0.63	0.64	0.62

1Data taken from Rydén et al. [73]. *Common coal. Data taken from [131].