Strong thermoelectric response of nanoconfined weak electrolytes
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866915502093238272 |
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| author | Sarma, Rajkumar Hardt, Steffen |
| author_facet | Sarma, Rajkumar Hardt, Steffen |
| contents | When dissolved, weak electrolytes only partially dissociate into ions in a temperature-dependent process. We show herein that such incomplete dissociation yields an enormous thermoelectric response in an electrolyte-filled nanochannel along which a temperature gradient is applied. For this purpose, an extended version of the Nernst-Planck equations is developed that takes into account the temperature-dependent dissociation-association equilibrium. The results indicate that in this way, Seebeck coefficients can be achieved that outperform all previously reported values. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2506_20149 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Strong thermoelectric response of nanoconfined weak electrolytes Sarma, Rajkumar Hardt, Steffen Soft Condensed Matter Mesoscale and Nanoscale Physics When dissolved, weak electrolytes only partially dissociate into ions in a temperature-dependent process. We show herein that such incomplete dissociation yields an enormous thermoelectric response in an electrolyte-filled nanochannel along which a temperature gradient is applied. For this purpose, an extended version of the Nernst-Planck equations is developed that takes into account the temperature-dependent dissociation-association equilibrium. The results indicate that in this way, Seebeck coefficients can be achieved that outperform all previously reported values. |
| title | Strong thermoelectric response of nanoconfined weak electrolytes |
| topic | Soft Condensed Matter Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2506.20149 |