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Large-Scale Self-Assembly of 3D Flower-like Hierarchical Ni/Co-LDHs Microspheres for High-Performance Flexible Asymmetric Supercapacitors
文献类型：期刊论文
| 作者 | Li, T(李铁); Li, GH; Li, LH; Liu, L; Xu, Y(徐雁); Ding, HY(丁海燕); Zhang, T(张珽) |
| 刊名 | ACS APPLIED MATERIALS & INTERFACES
 |
| 出版日期 | 2016 |
| 卷号 | 8期号:4 |
| 通讯作者 | Zhang, T(张珽) |
| 英文摘要 | In this study, a facile and inexpensive and self-assembled strategy to massively fabricate Ni/Co layered double hydroxides (LDHs) is developed under mild reaction conditions (55 degrees C). The resulting composite material displays a special three-dimensional hierarchical microsphere structure with well-defined flower-like configuration. The fabrication mechanism can be ascribed to stepwise and regular reaction process of nanoparticles and nanosheets gradually growing to nanopetals and then assembling into flower-like microspheres, based on the systematically investigation of various reaction factors including the Ni:Co feeding ratio, the reaction time and the initial pH-value. Because of its large surface, ultrathin feature and synergetic results of this Ni/Co LDHs nanosheets (20 nm), these Ni/Co-LDHs microspheres deliver an excellent capacitance value about 2228 F.g(-1) (1 A.g(-1)). An all-solid-state flexible asymmetric supercapacitor is designed and assembled by exploiting this Ni/Co-LDHs as the positive materials, which exhibits energy density of 165.51 Wh.kg(-1) at 1.53 KW.kg(-1). It may have vast potential significance in personal wearable equipment. Moreover, this monolithic design provides a promising approach for large scale fabrication of other LDHs materials. |
| 关键词[WOS] | ALL-SOLID-STATE ; GRAPHENE FOAM ELECTRODES ; LAYERED DOUBLE HYDROXIDE ; HYBRID ELECTRODES ; ENERGY DENSITY ; NICKEL ; COBALT ; ARCHITECTURES ; COMPOSITES ; CONVERSION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000369556600014 |
| 源URL | [http://ir.sinano.ac.cn/handle/332007/4804]  |
| 专题 | 苏州纳米技术与纳米仿生研究所_纳米研究国际实验室_张珽团队 |
| 推荐引用方式 GB/T 7714 | Li, T,Li, GH,Li, LH,et al. Large-Scale Self-Assembly of 3D Flower-like Hierarchical Ni/Co-LDHs Microspheres for High-Performance Flexible Asymmetric Supercapacitors[J]. ACS APPLIED MATERIALS & INTERFACES,2016,8(4). |
| APA | Li, T.,Li, GH.,Li, LH.,Liu, L.,Xu, Y.,...&Zhang, T.(2016).Large-Scale Self-Assembly of 3D Flower-like Hierarchical Ni/Co-LDHs Microspheres for High-Performance Flexible Asymmetric Supercapacitors.ACS APPLIED MATERIALS & INTERFACES,8(4). |
| MLA | Li, T,et al."Large-Scale Self-Assembly of 3D Flower-like Hierarchical Ni/Co-LDHs Microspheres for High-Performance Flexible Asymmetric Supercapacitors".ACS APPLIED MATERIALS & INTERFACES 8.4(2016). |
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