A novel 3-phenylpropylamine intercalated molecular bronze with ultrahigh layer spacing as a high-rate and stable cathode for aqueous zinc-ion batteries
Perspective: Rechargeable aqueous zinc-ion batteries (AZIBs) have gained increasing attention owing to their low cost and high safety. Although hydrated vanadium oxides exhibit rich redox chemistry and open layer architecture, the insertion of multivalent Zn2+ during cycling inevitably leads to host...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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KeAi Communications Co. Ltd.
2021-07-01
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| Series: | Fundamental Research |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2667325821001072 |
| _version_ | 1797976291147776000 |
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| author | Rui Li Huamin Zhang Jingwang Yan Qiong Zheng Xianfeng Li |
| author_facet | Rui Li Huamin Zhang Jingwang Yan Qiong Zheng Xianfeng Li |
| author_sort | Rui Li |
| collection | DOAJ |
| description | Perspective: Rechargeable aqueous zinc-ion batteries (AZIBs) have gained increasing attention owing to their low cost and high safety. Although hydrated vanadium oxides exhibit rich redox chemistry and open layer architecture, the insertion of multivalent Zn2+ during cycling inevitably leads to host collapse and severe vanadium dissolution. Accordingly, various ions and conducting polymers have been introduced into the interlayer to produce vanadium bronzes with a robust crystal structure. However, these pre-intercalated vanadium bronzes demonstrate limited improvement and still face the challenge of metal ion displacement and confusing reaction mechanisms. Herein, we report a novel molecular bronze with intercalated 3-phenylpropylamine for use as an AZIB cathode, which produces an ultrahigh interlayer of 18.0 Å. The cathode delivered an improved capacity of 420 mAh g−1 at 0.1 A g−1, an impressive rate capability of 158 mAh g−1 at 35 A g−1, and an outstanding lifespan with a capacity retention of 94% over 1200 cycles at 2A g−1. Furthermore, the reaction mechanism of H+/Zn2+ co-insertion was investigated in detail. This work proves that this strategy is universal for vanadium oxide bronzes and opens a new avenue for the fabrication of novel molecular bronzes as advanced AZIB cathodes. |
| first_indexed | 2024-04-11T04:48:39Z |
| format | Article |
| id | doaj.art-3db540eb249a4b7f9c96c8d0525ed3ea |
| institution | Directory Open Access Journal |
| issn | 2667-3258 |
| language | English |
| last_indexed | 2024-04-11T04:48:39Z |
| publishDate | 2021-07-01 |
| publisher | KeAi Communications Co. Ltd. |
| record_format | Article |
| series | Fundamental Research |
| spelling | doaj.art-3db540eb249a4b7f9c96c8d0525ed3ea2022-12-27T04:42:06ZengKeAi Communications Co. Ltd.Fundamental Research2667-32582021-07-0114425431A novel 3-phenylpropylamine intercalated molecular bronze with ultrahigh layer spacing as a high-rate and stable cathode for aqueous zinc-ion batteriesRui Li0Huamin Zhang1Jingwang Yan2Qiong Zheng3Xianfeng Li4Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China; University of Chinese Academy of Sciences, Beijing 100039, ChinaDalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, ChinaDalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, ChinaDalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China; Corresponding authors.Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China; Corresponding authors.Perspective: Rechargeable aqueous zinc-ion batteries (AZIBs) have gained increasing attention owing to their low cost and high safety. Although hydrated vanadium oxides exhibit rich redox chemistry and open layer architecture, the insertion of multivalent Zn2+ during cycling inevitably leads to host collapse and severe vanadium dissolution. Accordingly, various ions and conducting polymers have been introduced into the interlayer to produce vanadium bronzes with a robust crystal structure. However, these pre-intercalated vanadium bronzes demonstrate limited improvement and still face the challenge of metal ion displacement and confusing reaction mechanisms. Herein, we report a novel molecular bronze with intercalated 3-phenylpropylamine for use as an AZIB cathode, which produces an ultrahigh interlayer of 18.0 Å. The cathode delivered an improved capacity of 420 mAh g−1 at 0.1 A g−1, an impressive rate capability of 158 mAh g−1 at 35 A g−1, and an outstanding lifespan with a capacity retention of 94% over 1200 cycles at 2A g−1. Furthermore, the reaction mechanism of H+/Zn2+ co-insertion was investigated in detail. This work proves that this strategy is universal for vanadium oxide bronzes and opens a new avenue for the fabrication of novel molecular bronzes as advanced AZIB cathodes.http://www.sciencedirect.com/science/article/pii/S2667325821001072Zinc ion batteryVanadium-based cathodeOrganic-inorganic hybrid materialUltrahigh interlayer |
| spellingShingle | Rui Li Huamin Zhang Jingwang Yan Qiong Zheng Xianfeng Li A novel 3-phenylpropylamine intercalated molecular bronze with ultrahigh layer spacing as a high-rate and stable cathode for aqueous zinc-ion batteries Fundamental Research Zinc ion battery Vanadium-based cathode Organic-inorganic hybrid material Ultrahigh interlayer |
| title | A novel 3-phenylpropylamine intercalated molecular bronze with ultrahigh layer spacing as a high-rate and stable cathode for aqueous zinc-ion batteries |
| title_full | A novel 3-phenylpropylamine intercalated molecular bronze with ultrahigh layer spacing as a high-rate and stable cathode for aqueous zinc-ion batteries |
| title_fullStr | A novel 3-phenylpropylamine intercalated molecular bronze with ultrahigh layer spacing as a high-rate and stable cathode for aqueous zinc-ion batteries |
| title_full_unstemmed | A novel 3-phenylpropylamine intercalated molecular bronze with ultrahigh layer spacing as a high-rate and stable cathode for aqueous zinc-ion batteries |
| title_short | A novel 3-phenylpropylamine intercalated molecular bronze with ultrahigh layer spacing as a high-rate and stable cathode for aqueous zinc-ion batteries |
| title_sort | novel 3 phenylpropylamine intercalated molecular bronze with ultrahigh layer spacing as a high rate and stable cathode for aqueous zinc ion batteries |
| topic | Zinc ion battery Vanadium-based cathode Organic-inorganic hybrid material Ultrahigh interlayer |
| url | http://www.sciencedirect.com/science/article/pii/S2667325821001072 |
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