A tripartite synergistic optimization strategy for zinc-iodine batteries
Abstract The energy industry has taken notice of zinc-iodine (Zn-I2) batteries for their high safety, low cost, and attractive energy density. However, the shuttling of I3 − by-products at cathode electrode and dendrite issues at Zn metal anode result in short cycle lifespan. Here, a tripartite syne...
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Nature Portfolio
2024-11-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-024-53800-6 |
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| author | Weibin Yan Ying Liu Jiazhen Qiu Feipeng Tan Jiahui Liang Xinze Cai Chunlong Dai Jiangqi Zhao Zifeng Lin |
| author_facet | Weibin Yan Ying Liu Jiazhen Qiu Feipeng Tan Jiahui Liang Xinze Cai Chunlong Dai Jiangqi Zhao Zifeng Lin |
| author_sort | Weibin Yan |
| collection | DOAJ |
| description | Abstract The energy industry has taken notice of zinc-iodine (Zn-I2) batteries for their high safety, low cost, and attractive energy density. However, the shuttling of I3 − by-products at cathode electrode and dendrite issues at Zn metal anode result in short cycle lifespan. Here, a tripartite synergistic optimization strategy is proposed, involving a MXene cathode host, a n-butanol electrolyte additive, and the in-situ solid electrolyte interface (SEI) protection. The MXene possesses catalytic ability to enhance the reaction kinetics and reduce I3 − by-products. Meanwhile, the partially dissolved n-butanol additive can work synergistically with MXene to inhibit the shuttling of I3 −. Besides, the n-butanol and I− in the electrolyte can synergistically improve the solvation structure of Zn2+. Moreover, an organic-inorganic hybrid SEI is in situ generated on the surface of the Zn anode, which induces stable non-dendritic zinc deposition. As a result, the fabricated batteries exhibit a high capacity of 0.30 mAh cm−2 and a superior energy density of 0.34 mWh cm−2 at a high specific current of 5 A g−1 across 30,000 cycles, with a minimal capacity decay of 0.0004% per cycle. This work offers a promising strategy for the subsequent research to comprehensively improve battery performance. |
| format | Article |
| id | doaj-art-1b311dcf1f5e4bfe86aeccc9af3a2634 |
| institution | Kabale University |
| issn | 2041-1723 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Nature Communications |
| spelling | doaj-art-1b311dcf1f5e4bfe86aeccc9af3a26342024-11-10T12:34:01ZengNature PortfolioNature Communications2041-17232024-11-0115111210.1038/s41467-024-53800-6A tripartite synergistic optimization strategy for zinc-iodine batteriesWeibin Yan0Ying Liu1Jiazhen Qiu2Feipeng Tan3Jiahui Liang4Xinze Cai5Chunlong Dai6Jiangqi Zhao7Zifeng Lin8College of Materials Science and Engineering, Sichuan UniversityCollege of Materials Science and Engineering, Sichuan UniversityCollege of Materials Science and Engineering, Sichuan UniversityCollege of Materials Science and Engineering, Sichuan UniversityCollege of Materials Science and Engineering, Sichuan UniversityCollege of Materials Science and Engineering, Sichuan UniversityCollege of Materials Science and Engineering, Sichuan UniversityCollege of Materials Science and Engineering, Sichuan UniversityCollege of Materials Science and Engineering, Sichuan UniversityAbstract The energy industry has taken notice of zinc-iodine (Zn-I2) batteries for their high safety, low cost, and attractive energy density. However, the shuttling of I3 − by-products at cathode electrode and dendrite issues at Zn metal anode result in short cycle lifespan. Here, a tripartite synergistic optimization strategy is proposed, involving a MXene cathode host, a n-butanol electrolyte additive, and the in-situ solid electrolyte interface (SEI) protection. The MXene possesses catalytic ability to enhance the reaction kinetics and reduce I3 − by-products. Meanwhile, the partially dissolved n-butanol additive can work synergistically with MXene to inhibit the shuttling of I3 −. Besides, the n-butanol and I− in the electrolyte can synergistically improve the solvation structure of Zn2+. Moreover, an organic-inorganic hybrid SEI is in situ generated on the surface of the Zn anode, which induces stable non-dendritic zinc deposition. As a result, the fabricated batteries exhibit a high capacity of 0.30 mAh cm−2 and a superior energy density of 0.34 mWh cm−2 at a high specific current of 5 A g−1 across 30,000 cycles, with a minimal capacity decay of 0.0004% per cycle. This work offers a promising strategy for the subsequent research to comprehensively improve battery performance.https://doi.org/10.1038/s41467-024-53800-6 |
| spellingShingle | Weibin Yan Ying Liu Jiazhen Qiu Feipeng Tan Jiahui Liang Xinze Cai Chunlong Dai Jiangqi Zhao Zifeng Lin A tripartite synergistic optimization strategy for zinc-iodine batteries Nature Communications |
| title | A tripartite synergistic optimization strategy for zinc-iodine batteries |
| title_full | A tripartite synergistic optimization strategy for zinc-iodine batteries |
| title_fullStr | A tripartite synergistic optimization strategy for zinc-iodine batteries |
| title_full_unstemmed | A tripartite synergistic optimization strategy for zinc-iodine batteries |
| title_short | A tripartite synergistic optimization strategy for zinc-iodine batteries |
| title_sort | tripartite synergistic optimization strategy for zinc iodine batteries |
| url | https://doi.org/10.1038/s41467-024-53800-6 |
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