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An Ultra-stable Na-Zn Solid-state Hybrid Battery Enabled by A Robust Dual-crosslinked Polymer Electrolyte.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Huang, Jia-Qi Chi, Xiaowei Yang, Jianhua Liu, Yuhang |
| Copyright Year | 2020 |
| Abstract | This work proposes a dual-crosslinked gel solid electrolyte (SE), here defined as Zn-reinforced sodium alginate-polyacrylamide SE (Zn-reinforced SA-PAM SE), in which Na+ and Zn2+ coexist. The SE shows a high conductivity of 19.74 mS cm-1. Compared to pure PAM gel, the tensile strength and compressive strength of Zn-reinforced SA-PAM SE are significantly enhanced to be 674.28 kPa and 16.29 MPa, respectively, due to the strengthening mechanism of Zn2+ cross-linked SA. Based on such a robust electrolyte, a novel hybrid cell is developed by involving Na0.5FeFe(CN)6-carbon nanotube composites (PB@CNT) as the Na+ intercalation type cathode and metallic Zn as the plating anode. The hybrid cell shows an extremely high stability of 10000 cycles with a record little capacity loss of 0.0027% per cycle, since Zn-reinforced SA-PAM SE successfully inhibits free water molecules from occupying low-spinning metallic sites (Fe-C) in Na0.5FeFe(CN)6. Ex-situ XPS reveals that the dissolution of Na0.5FeFe(CN)6 is highly reduced by 79.5%. It is further noted that the corrosion and dendrite at the Zn2+/Zn plating anode are greatly hindered for the robust electrolyte. This work gives pathway for the development of new aqueous ion batteries. |
| File Format | PDF HTM / HTML |
| DOI | 10.1021/acsami.0c01990 |
| PubMed reference number | 32195564 |
| Journal | Medline |
| Alternate Webpage(s) | https://s3-eu-west-1.amazonaws.com/pstorage-acs-6854636/22151232/am0c01990_si_001.pdf |
| Alternate Webpage(s) | https://doi.org/10.1021/acsami.0c01990 |
| Journal | ACS applied materials & interfaces |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
