Mussel Inspired Modification of Polypropylene Separators by Catechol/Polyamine for Li-Ion Batteries
文献类型：期刊论文
| 作者 | Wang, Hao1,2; Wu, Junjie1,2; Cai, Chao1,2; Guo, Jing1; Fan, Haosen1,2; Zhu, Caizhen1,2; Dong, Haixia1,2; Zhao, Ning2; Xu, Jian2 |
| 刊名 | ACS APPLIED MATERIALS & INTERFACES
 |
| 出版日期 | 2014-04-23 |
| 卷号 | 6期号:8页码:5602-5608 |
| 关键词 | Bioinspired Catechol Li-ion Battery Mussel Polyamine Separator |
| ISSN号 | 1944-8244 |
| DOI | 10.1021/am406052u |
| 英文摘要 | Inspired by the remarkable adhesion of mussel, dopamine, a mimicking adhesive molecule, has been widely used for surface modification of various materials ranging from organic to inorganic. However, dopamine and its derivatives are expensive which impede their application in large scale. Herein, we replaced dopamine with low-cost catechol and polyamine (only 8% of the cost of dopamine), which could be polymerized in an alkaline solution and deposited on the surfaces of various materials. By using this cheap and simple modification method, polypropylene (PP) separator could be transformed from hydrophobic to hydrophilic, while the pore structure and mechanical property of the separator remained intact. The uptake of electrolyte increased from 80% to 270% after the hydrophilic modification. Electrochemical studies demonstrated that battery with the modified PP separator had a better Coulombic efficiency (80.9% to 85.3%) during the first cycle at a current density of 0.1 C, while the discharging current density increased to 15 C and the discharge capacity increased by 1.4 times compared to the battery using the bare PP separator. Additionally, the modification allowed excellent stability during manifold cycles. This study provides new insights into utilizing low-cost chemicals to mimic the mussel adhesion and has potential practical application in many fields. |
| 语种 | 英语 |
| WOS记录号 | WOS:000335086000035 |
| 出版者 | AMER CHEMICAL SOC |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/51101]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Zhao, Ning |
| 作者单位 | 1.Chinese Acad Sci, Inst Chem, Lab Polymer Phys & Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Hao,Wu, Junjie,Cai, Chao,et al. Mussel Inspired Modification of Polypropylene Separators by Catechol/Polyamine for Li-Ion Batteries[J]. ACS APPLIED MATERIALS & INTERFACES,2014,6(8):5602-5608. |
| APA | Wang, Hao.,Wu, Junjie.,Cai, Chao.,Guo, Jing.,Fan, Haosen.,...&Xu, Jian.(2014).Mussel Inspired Modification of Polypropylene Separators by Catechol/Polyamine for Li-Ion Batteries.ACS APPLIED MATERIALS & INTERFACES,6(8),5602-5608. |
| MLA | Wang, Hao,et al."Mussel Inspired Modification of Polypropylene Separators by Catechol/Polyamine for Li-Ion Batteries".ACS APPLIED MATERIALS & INTERFACES 6.8(2014):5602-5608. |
入库方式： OAI收割
来源：化学研究所
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