| Appropriately hydrophilic/hydrophobic cathode enables high-performance aqueous zinc-ion batteries | |
| Zhang, Xiaotan1; Li, Jiangxu2; Ao, Huaisheng1; Liu, Dongyan3; Shi, Lei4,5; Wang, Chengming4,5; Zhu, Yongchun1,4,5; Qian, Yitai1,4,5 | |
| Corresponding Author | Zhu, Yongchun(ychzhu@ustc.edu.cn) |
| 2020-09-01 | |
| Source Publication | ENERGY STORAGE MATERIALS
 |
| ISSN | 2405-8297 |
| Volume | 30Pages:337-345 |
| Abstract | Organic batteries with improved electrode wettability will exhibit a better electrochemical performance. How about the relationship between electrode wettability and battery performance in aqueous batteries? Here the effect of cathode wettability in aqueous zinc-ion batteries (AZIBs) on the zinc-ion diffusion and charge transfer based on a research platform of cellulose nanowhiskers (CNWs)/graphene/MnO2 wire-in-scroll nanowires with water contact angles turning from 64.70 +/- 3.72 degrees to 115.85 +/- 3.36 degrees as cathodes for AZIBs has been investigated, where the corresponding battery performance shows a parabola trend with the peak in 103.04 +/- 2.91 degrees. The cathode achieves a high capacity of 384 mAh g(-1) at 1 C and features an ultra-long lifetime of over 5000 cycles at 20 C, representing excellent Zn storage performance. A combination of experimental measurements and density functional theory calculations suggests that increased cathode hydrophobicity forces hydrated Zn2+ desolvation at electrode-electrolyte interface, facilitating zinc-ion insertion into host materials, yet extremely hydrophobic cathode leads to sluggish electrochemical kinetics. This study opens a new idea in the design of promising candidates for developing low cost and long lifespan batteries for aqueous systems. |
| Keyword | Cellulose nanowhiskers Graphene Cathode wettability Electrochemical kinetics Aqueous zinc-ion battery |
| Funding Organization | National Key Research and Development Program of China ; National Natural Science Fund of China |
| DOI | 10.1016/j.ensm.2020.05.021 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Key Research and Development Program of China[2017YFA0206703] ; National Key Research and Development Program of China[2016YFB0901503] ; National Natural Science Fund of China[21875238] ; National Natural Science Fund of China[21521001] |
| WOS Research Area | Chemistry ; Science & Technology - Other Topics ; Materials Science |
| WOS Subject | Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary |
| WOS ID | WOS:000544760400007 |
| Publisher | ELSEVIER |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/139724 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Zhu, Yongchun |
| Affiliation | 1.Univ Sci & Technol China, Dept Appl Chem, Hefei 230026, Anhui, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 4.Univ Sci & Technol China, Dept Chem, Hefei 230026, Anhui, Peoples R China 5.Univ Sci & Technol China, Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China |
| Recommended Citation GB/T 7714 | Zhang, Xiaotan,Li, Jiangxu,Ao, Huaisheng,et al. Appropriately hydrophilic/hydrophobic cathode enables high-performance aqueous zinc-ion batteries[J]. ENERGY STORAGE MATERIALS,2020,30:337-345. |
| APA | Zhang, Xiaotan.,Li, Jiangxu.,Ao, Huaisheng.,Liu, Dongyan.,Shi, Lei.,...&Qian, Yitai.(2020).Appropriately hydrophilic/hydrophobic cathode enables high-performance aqueous zinc-ion batteries.ENERGY STORAGE MATERIALS,30,337-345. |
| MLA | Zhang, Xiaotan,et al."Appropriately hydrophilic/hydrophobic cathode enables high-performance aqueous zinc-ion batteries".ENERGY STORAGE MATERIALS 30(2020):337-345. |
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