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题名: Large-Scale Self-Assembly of 3D Flower-like Hierarchical Ni/Co-LDHs Microspheres for High-Performance Flexible Asymmetric Supercapacitors
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)
通讯作者: Zhang, T(张珽)
刊名: ACS APPLIED MATERIALS & INTERFACES
发表日期: 2016
DOI: 10.1021/acsami.5b10158
卷: 8, 期:4
收录类别: SCI
文章类型: 期刊论文
部门归属: 纳米研究国际实验室
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
语种: 英语
JCR小类分区: 一区
WOS记录号: WOS:000369556600014
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4804
Appears in Collections:纳米研究国际实验室_张珽团队_期刊论文

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Recommended Citation:
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).
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