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A Calcium-Ion Hybrid Energy Storage Device with High Capacity and Long Cycling Life under Room Temperature

机译：室温高容量和长循环寿命的钙离子混合能量存储装置

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摘要

Ca-ion based devices are promising candidates for next-generation energy storage with high performance and low cost, thanks to its multielectrons, superior kinetics, as well as abundance (2500 times lithium). Because of the lack of an appropriate combination of suitable electrode materials and electrolytes, it is unsuccessful to attain a satisfactory performance on complete Ca-ion energy storage devices. Here, the multiion reaction strategy is defined to construct a complete Ca-ion energy storage device and a capacitor-battery hybrid mechanism is deliberately adopted. Profiting from the elaborate design, it exhibits a high reversible capacity of 92 mAh g(-1), unmatchable rate capability, and a high capacity retention of 84% over 1000 cycles under room temperature, which is the best performance of reported Ca-based energy storage devices.
机译：由于其多电流，高级动力学以及丰度（2500次锂），加元基于设备的设备是具有高性能和低成本的下一代储能，具有高性能和低成本。由于缺乏合适的电极材料和电解质的适当组合，因此在完整的CA离子能量存储装置上实现令人满意的性能是不成功的。这里，定义遍阳反应策略以构造完整的CA离子能量存储装置，并且故意采用电容器电池混合机构。从精心设计中获利，它表现出92mAhg（-1），无与伦比的速率能力的高可逆容量，高容量保留在室温下超过1000次循环，这是报告的CA的最佳性能能量存储设备。

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  • 来源
    《Advanced energy materials》 |2019年第16期|1803865.1-1803865.7|共7页
  • 作者

    Wu Nanzhong; Yao Wenjiao; Song Xiaohe; Zhang Ge; Chen Bingjie; Yang Jinhu; Tang Yongbing;

  • 作者单位

    Chinese Acad Sci Shenzhen Inst Adv Technol Funct Thin Films Res Ctr Shenzhen 518055 Peoples R China|Univ Chinese Acad Sci Beijing 100049 Peoples R China;

    Chinese Acad Sci Shenzhen Inst Adv Technol Funct Thin Films Res Ctr Shenzhen 518055 Peoples R China;

    Chinese Acad Sci Shenzhen Inst Adv Technol Funct Thin Films Res Ctr Shenzhen 518055 Peoples R China;

    Chinese Acad Sci Shenzhen Inst Adv Technol Funct Thin Films Res Ctr Shenzhen 518055 Peoples R China;

    Tongji Univ Sch Chem Sci & Engn Shanghai 200092 Peoples R China;

    Tongji Univ Sch Chem Sci & Engn Shanghai 200092 Peoples R China;

    Chinese Acad Sci Shenzhen Inst Adv Technol Funct Thin Films Res Ctr Shenzhen 518055 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    battery-capacitor hybrid devices; calcium-ion; energy storage; long cycling life;

    机译：电池电容混合装置;钙离子;储能;长循环寿命;

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