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Table 1
Comparison of different LOHC over various secondary criteria. Green signifies that the LOHC complies with the criterion, red that it does not.
| Dehydrogenated LOHC | Cycling capacity | Dehydrogena-tion enthalpy (<50 kJ/mol H2) | PGM-free heterogeneous catalyst | Liquid-phase reaction(no gas separation) | Process without solvent or additives |
|---|---|---|---|---|---|
| Toluene | |||||
| Naphthalene | |||||
| DBT | |||||
| N-Ethylcarbazole | |||||
| Phenazine | |||||
| Dibenzofuran | |||||
| Acetaldehyde/Ethylacetate | |||||
| Acetic acid | |||||
| γ-Butyrolactone | Slow reaction in liquid phase | ||||
| Acetone | Distillative reaction | ||||
| Glycine anhydride (imide) | |||||
| 2-imidazolidinone (carbamide) | |||||
| BDO+ethylenediamine (imide) | |||||
| Malononitrile | |||||
| S-Ethyl thioacetate | |||||
| 1,2-B,N-azaborine | |||||
| Tetrasilylmetane-MeOH |
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