A mechanical strategy of surface anchoring to enhance the electrochemical performance of ZnO/NiCo2O4@nickel foam self-supporting anode for lithium-ion batteries

IF 23.2 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Composites and Hybrid Materials Pub Date : 2024-11-12 DOI:10.1007/s42114-024-01058-3

Yanbin Xu, Xingang Liu, Shuai Wang, Zhenyu Fu, Lixiang Sun, Wenfan Feng, Zhiqiang Lv, Yuming Cui, Xiao Li, Ping Yin, Ashely DeMerle, Ethan Burcar, Zhe Wang, Zhenglong Yang

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引用次数: 0

Abstract

NiCo₂O₄ has the advantages of high energy density, low cost, and environment-friendly as the anode materials of lithium-ion batteries. However, NiCo₂O₄ is adversely affected by the slow transmission rate of lithium-ion, and the collapse of its three-dimensional loose and porous nano-flake structure causes its poor cycling performance. In this study, in order to address this issue, the NiCo₂O₄ @ Nickel Foam (NF) composite was formed by depositing ZIF-67 on nickel foam through room temperature standing and 350 ℃ treatment, and then short ZnO nanorods with an anchoring structure were grown on its surface through heat treatment and hydrothermal treatment to obtain ZnO/NiCo₂O₄@NF compound materials. The nano-rod structure of ZnO material increases the contact between the electrode material and electrolyte and reduces the charge transfer resistance, and its anchoring structure stabilizes the porous sheet architecture of NiCo₂O₄@NF. After 100 cycles (100 mA∙g⁻¹), the discharge capacity of the ZnO/NiCo₂O₄@NF composite electrode remained at 475.2 mAh∙g⁻¹, which is significantly higher than 313.8 mAh∙g⁻¹ of NiCo₂O₄@NF electrode and 245.4 mAh∙g⁻¹ of ZnO@NF electrode.

Graphical Abstract

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提高锂离子电池 ZnO/NiCo2O4@nickel 泡沫自支撑负极电化学性能的表面锚定机械策略

作为锂离子电池的负极材料，镍钴酸锂具有能量密度高、成本低、环境友好等优点。然而，NiCo2O4 受锂离子传输速率慢的不利影响，其三维疏松多孔纳米片结构的塌陷导致其循环性能不佳。本研究针对这一问题，将 ZIF-67 通过室温静置和 350 ℃ 处理沉积在泡沫镍上，形成 NiCo2O4 @ Nickel Foam（NF）复合材料，然后通过热处理和水热处理在其表面生长出具有锚定结构的 ZnO 纳米短棒，得到 ZnO/NiCo2O4@NF 复合材料。ZnO 材料的纳米棒结构增加了电极材料与电解液之间的接触，降低了电荷转移电阻，其锚定结构稳定了 NiCo2O4@NF 的多孔片状结构。经过100次循环（100 mA∙g-1）后，ZnO/NiCo2O4@NF复合电极的放电容量保持在475.2 mAh∙g-1，明显高于NiCo2O4@NF电极的313.8 mAh∙g-1和ZnO@NF电极的245.4 mAh∙g-1。

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来源期刊

Advanced Composites and Hybrid Materials Multiple-

CiteScore

26.00

自引率

21.40%

发文量

185

期刊介绍： Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.