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| Content Provider | Springer Nature Link |
|---|---|
| Author | GROMADSKYI, DENYS G |
| Copyright Year | 2016 |
| Abstract | Silver metal covered by Ag$_{2}$SO$_{4}$ was investigated as a reference electrode for flat three-electrode cells. The potential stability of the Ag/Ag$_{2}$SO$_{4}$ electrode in neutral aqueous solutions utilized as electrolytes for asymmetric high-voltage supercapacitors is reported. It was found that the potential drift and temperature coefficient of this reference electrode are insignificant. Its use as an alternative to the Ag/AgCl electrode enables one to avoid the contamination of the supporting electrolyte solution by Cl $^{−}$ anions, which are oxidized earlier than water molecules and other oxygen-containing anions (SO $_{\mathrm {4}}^{\mathrm {2-}}$ or NO $_{\mathrm {3}}^{\mathrm {-}}$ ). Using the data obtained from three-electrode electrochemical measurements with the electrode in question, a graphene–carbon nanotube/MnO $_{2}$ supercapacitor cell accumulating 9.8 Wh kg $^{−1}$ of specific energy at 1.75 V was built. Graphical Abstract Silver sulfate reference electrode was developed to use as an alternative to the silver chloride one for application in studies of the supercapacitor electrode materials. Ag/Ag2SO4 electrode demonstrates excellent potential stability during the two-hour electrochemical measurements in open-circuit mode. |
| Starting Page | 1011 |
| Ending Page | 1017 |
| Page Count | 7 |
| File Format | |
| ISSN | 09743626 |
| Journal | Journal of Chemical Sciences |
| Volume Number | 128 |
| Issue Number | 6 |
| e-ISSN | 09737103 |
| Language | English |
| Publisher | Springer India |
| Publisher Date | 2016-04-19 |
| Publisher Institution | Indian Academy of Sciences |
| Publisher Place | New Delhi |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Silver sulfate reference electrode neutral aqueous electrolytes asymmetric supercapacitor Chemistry/Food Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry |
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