Tin/vanadium redox electrolyte for battery-like energy storage capacity combined with supercapacitor-like power handling
- We introduce a high performance hybrid electrochemical energy storage system based on an aqueous electrolyte containing tin sulfate (SnSO4) and vanadyl sulfate (VOSO4) with nanoporous activated carbon. The energy storage mechanism of this system benefits from the unique synergy of concurrent electric double-layer formation, reversible tin redox reactions, and three-step redox reactions of vanadium. The hybrid system showed excellent electrochemical properties such as a promising energy capacity (ca. 75 W h kg-1, 30 W h L-1) and a maximum power of up to 1.5 kW kg-1 (600 W L-1, 250 W m-2), exhibiting capacitor-like galvanostatic cycling stability and a low level of self-discharging rate.
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| Document Type: | Article |
|---|---|
| Author: | Juhan LeeORCiD, Benjamin KrünerORCiD, Aura TolosaORCiD, Sethuraman Sathyamoorthi, Daekyu Kim, Soumyadip Choudhury, Kum-Hee Seo, Volker PresserORCiD |
| URN: | urn:nbn:de:bsz:291:415-3937 |
| DOI: | https://doi.org/10.1039/c6ee00712k |
| ISSN: | 1754-5692 |
| Parent Title (English): | Energy & Environmental Science |
| Volume: | 9 |
| Issue: | 11 |
| First Page: | 3392 |
| Last Page: | 3398 |
| Publisher: | The Royal Society of Chemistry |
| Language: | English |
| Year of first Publication: | 2016 |
| Date of final exam: | 2016/06/09 |
| Release Date: | 2022/11/18 |
| Impact: | 29.518 (2016) |
| Funding Information: | German Federal Ministry for Research and Education (BMBF), nanoEES3D project: award number 03EK3013 |
| Scientific Units: | Energy Materials |
| Open Access: | Open Access |
| Signature: | INM 2016/98 |
| Licence (German): |  Creative Commons - CC BY - Namensnennung 4.0 International |
