Development of a novel thermochemical cycle without electrolysis step to produce hydrogen
Bibliographic record
Abstract
• A novel cycle runs with entirely heat input, by eliminating electrolysis step. • The new cycle produces hydrogen effectively and efficiently. • The system has an energy efficiency of 72.50% and an exergy efficiency of 46.70%. This study presents a new three-step copper-chlorine (Cu-Cl) cycle that can operate with heat input without electrolysis step. While the sensitivity analyses of the system are performed to evaluate the system performance through the Aspen Plus, thermodynamic analyses of the system are performed with energetic and exergetic approaches. The highest exergy destruction among the components in the system was the decomposition reactor with a rate of 50.6 %. Furthermore, the energy and exergy values for the simulated system to produce 1 mol of hydrogen are determined by calculating the energy requirements of all components in the system. The total energy required for the system to generate 1 mol of hydrogen is calculated to be 997.81 kJ/mol H 2 . The system's decomposition reactor is identified as the component that necessitated the most energy, with a value of 504.76 kJ/mol H 2 . Moreover, the overall energy and exergy efficiencies are calculated to be 72.50 % and 46.70 %, respectively.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".