| About this Abstract |
| Meeting |
2021 TMS Annual Meeting & Exhibition
|
| Symposium
|
2021 Technical Division Student Poster Contest
|
| Presentation Title |
A Flexible Aqueous Rechargeable Battery Operating Over an Extended Temperature Range |
| Author(s) |
Yehong Chen, Ying Wang |
| On-Site Speaker (Planned) |
Yehong Chen |
| Abstract Scope |
The emerging zinc-ion rechargeable batteries have attracted much attention, owing to their intrinsic safety and low cost resulted from the use of aqueous electrolytes and zinc anodes that come from abundant sources. However, it is not practical to use zinc-ion batteries in frigid environments due to their liquid water-based electrolytes. We have developed a flexible zinc-ion battery consisting of a novel hydrogel electrolyte sandwiched between an ultrathin zinc anode and a NH4V3O8·1.9H2O cathode. With hydrogel electrolyte containing 4 M ZnCl2, the battery exhibits a very high capacity of 239 mAh g-1 under 0.2 A g-1 at -20℃. This battery will find a niche in the market where safety is most concerned and/or wider temperature application is required, such as in wearable electronics, medical devices/implants, electronics in space systems or underwater vehicles for ocean explorations, etc. |
| Proceedings Inclusion? |
Undecided |
| Keywords |
Energy Conversion and Storage, |