Solid Electrolyte Interphase Engineering for Aqueous Aluminum Metal Batteries: A Critical Evaluation
Bibliographic record
Abstract
Abstract Rechargeable aqueous aluminum metal batteries (AAMBs) have long been considered unachievable because of the spontaneously formed ionically passivating oxide film and hydrogen evolution reaction on Al. In response, two solid electrolyte interphase (SEI) construction methods, namely, 5 m (mol kg −1 ) Al(OTF) 3 ‐based water‐in‐salt electrolyte (Al‐WiSE) and chloroaluminate ionic liquid (IL) pretreatment have been recently reported and seemingly reversible AAMBs were achieved. However, the SEI forming ability of a relatively low concentration Al‐WiSE and the fundamental nature of the IL‐derived SEI remain unclear. Here, with thorough computational, electrochemical, and spectroscopic characterizations, it is revealed that contrary to previous reports, neither of the methods build a stable and effective SEI, and hydrogen evolution reaction remains as the cathodic reaction, without Al deposition. This is the underlying reason for the poor voltage and cyclabilities of current AAMBs. Using insights gained in this work, suggestions for future research is offered on reliable electrolytes and interphases to enable truly reversible AAMBs.
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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) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 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".