A tellurium iodide perovskite structure enabling eleven-electron transfer in zinc ion batteries
Abstract The growing potential of low-dimensional metal-halide perovskites as conversion-type cathode materials is limited by electrochemically inert B-site cations, diminishing the battery capacity and energy density. Here, we design a benzyltriethylammonium tellurium iodide perovskite, (BzTEA)2TeI...
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Nature Portfolio
2025-01-01
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| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-024-55385-6 |
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| author | Shixun Wang Zhiquan Wei Hu Hong Xun Guo Yiqiao Wang Ze Chen Dechao Zhang Xiaoyu Zhang Xuyong Yang Chunyi Zhi |
| author_facet | Shixun Wang Zhiquan Wei Hu Hong Xun Guo Yiqiao Wang Ze Chen Dechao Zhang Xiaoyu Zhang Xuyong Yang Chunyi Zhi |
| author_sort | Shixun Wang |
| collection | DOAJ |
| description | Abstract The growing potential of low-dimensional metal-halide perovskites as conversion-type cathode materials is limited by electrochemically inert B-site cations, diminishing the battery capacity and energy density. Here, we design a benzyltriethylammonium tellurium iodide perovskite, (BzTEA)2TeI6, as the cathode material, enabling X- and B-site elements with highly reversible chalcogen- and halogen-related redox reactions, respectively. The engineered perovskite can confine active elements, alleviate the shuttle effect and promote the transfer of Cl- on its surface. This allows for the utilization of inert high-valent tellurium cations, eventually realizing a special eleven-electron transfer mode (Te6+/Te4+/Te2-, I+/I0/I-, and Cl0/Cl-) in suitable electrolytes. The Zn||(BzTEA)2TeI6 battery exhibited a high capacity of up to 473 mAh g-1 Te/I and a large energy density of 577 Wh kg-1 Te/I at 0.5 A g-1, with capacity retention up to 82% after 500 cycles at 3 A g-1. The work sheds light on the design of high-energy batteries utilizing chalcogen-halide perovskite cathodes. |
| format | Article |
| id | doaj-art-0dec73205a9f40df8cda6d2aa145797d |
| institution | Kabale University |
| issn | 2041-1723 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Nature Portfolio |
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| series | Nature Communications |
| spelling | doaj-art-0dec73205a9f40df8cda6d2aa145797d2025-01-12T12:31:04ZengNature PortfolioNature Communications2041-17232025-01-011611910.1038/s41467-024-55385-6A tellurium iodide perovskite structure enabling eleven-electron transfer in zinc ion batteriesShixun Wang0Zhiquan Wei1Hu Hong2Xun Guo3Yiqiao Wang4Ze Chen5Dechao Zhang6Xiaoyu Zhang7Xuyong Yang8Chunyi Zhi9Department of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee AvenueDepartment of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee AvenueDepartment of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee AvenueDepartment of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee AvenueDepartment of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee AvenueDepartment of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee AvenueHong Kong Center for Cerebro-Cardiovascular Health Engineering (COCHE), Shatin, NTKey Laboratory of Automobile Materials, Ministry of Education, College of Materials Science and Engineering, Jilin UniversityKey Laboratory of Advanced Display and System Applications of Ministry of Education Shanghai UniversityDepartment of Materials Science and Engineering, City University of Hong Kong, 83 Tat Chee AvenueAbstract The growing potential of low-dimensional metal-halide perovskites as conversion-type cathode materials is limited by electrochemically inert B-site cations, diminishing the battery capacity and energy density. Here, we design a benzyltriethylammonium tellurium iodide perovskite, (BzTEA)2TeI6, as the cathode material, enabling X- and B-site elements with highly reversible chalcogen- and halogen-related redox reactions, respectively. The engineered perovskite can confine active elements, alleviate the shuttle effect and promote the transfer of Cl- on its surface. This allows for the utilization of inert high-valent tellurium cations, eventually realizing a special eleven-electron transfer mode (Te6+/Te4+/Te2-, I+/I0/I-, and Cl0/Cl-) in suitable electrolytes. The Zn||(BzTEA)2TeI6 battery exhibited a high capacity of up to 473 mAh g-1 Te/I and a large energy density of 577 Wh kg-1 Te/I at 0.5 A g-1, with capacity retention up to 82% after 500 cycles at 3 A g-1. The work sheds light on the design of high-energy batteries utilizing chalcogen-halide perovskite cathodes.https://doi.org/10.1038/s41467-024-55385-6 |
| spellingShingle | Shixun Wang Zhiquan Wei Hu Hong Xun Guo Yiqiao Wang Ze Chen Dechao Zhang Xiaoyu Zhang Xuyong Yang Chunyi Zhi A tellurium iodide perovskite structure enabling eleven-electron transfer in zinc ion batteries Nature Communications |
| title | A tellurium iodide perovskite structure enabling eleven-electron transfer in zinc ion batteries |
| title_full | A tellurium iodide perovskite structure enabling eleven-electron transfer in zinc ion batteries |
| title_fullStr | A tellurium iodide perovskite structure enabling eleven-electron transfer in zinc ion batteries |
| title_full_unstemmed | A tellurium iodide perovskite structure enabling eleven-electron transfer in zinc ion batteries |
| title_short | A tellurium iodide perovskite structure enabling eleven-electron transfer in zinc ion batteries |
| title_sort | tellurium iodide perovskite structure enabling eleven electron transfer in zinc ion batteries |
| url | https://doi.org/10.1038/s41467-024-55385-6 |
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