<i>Meso</i>‐SiO<sub>2</sub>–C<sub>12</sub>EO<sub>10</sub>OH–CF<sub>3</sub>SO<sub>3</sub>H—A Novel Proton‐Conducting Solid Electrolyte
Bibliographic record
Abstract
Abstract This paper describes the synthesis and characterization of a novel mesostructured solid electrolyte composite material, denoted meso‐SiO2–C12EO10OH–CF3SO3H. A lyotropic non‐ionic surfactant–triflic acid–silicate liquid crystal is used as a supramolecular template for a “one‐pot” synthesis of the material. Within this structure, the oligoethyleneoxide head groups of the non‐ionic surfactant that is imbibed within the channels of hexagonal mesoporous silica act in a crown‐ether‐like fashion towards the protons. The structure and dynamics of the silicate–oligo(ethylene oxide)surfactant–triflic acid co‐assembly has been studied via several analytical techniques. These methods include polarized optical microscopy (POM), powder X‐ray diffraction (PXRD), transmission electron microscopy (TEM), multinuclear nuclear magnetic resonance (NMR) spectroscopy, thermogravimetric analysis (TGA), and Fourier transform (FT) Raman spectroscopy. Together these results imply that the protons coordinate to the oxygen atoms of the ethylene oxide units on the non‐ionic surfactant and the compound has the structural integrity of the silicified liquid crystal. AC impedance spectroscopy was used to determine the proton conductivity of the meso‐SiO2–C12EO10OH–CF3SO3H composite material at different relative humidity values giving some insight into its potential utility as a proton conducting solid electrolyte in a proton‐exchange membrane fuel cell.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 | 0.000 |
| 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) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".