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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Stamped Microbattery Electrodes Based On Self-assembled M13 Viruses
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Stamped Microbattery Electrodes Based On Self-assembled M13 Viruses

机译：基于自组装M13病毒的冲压微电池电极

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摘要

The fabrication and spatial positioning of electrodes are becoming central issues in battery technology because of emerging needs for small scale power sources, including those embedded in flexible substrates and textiles. More generally, novel electrode positioning methods could enable the use of nanostructured electrodes and multidimensional architectures in new battery designs having improved electrochemical performance. Here, we demonstrate the synergistic use of biological and nonbiological assembly methods for fabricating and positioning small battery components that may enable high performance microbatteries with complex architectures. A self-assembled layer of virus-templated cobalt oxide nanowires serving as the active anode material in the battery anode was formed on top of microscale islands of polyelectrolyte multilayers serving as the battery electrolyte, and this assembly was stamped onto platinum microband current collectors. The resulting electrode arrays exhibit full electrochemical functionality. This versatile approach for fabricating and positioning electrodes may provide greater flexibility for implementing advanced battery designs such as those with interdigitated microelectrodes or 3D architectures.
机译：电极的制造和空间定位正成为电池技术中的中心问题，因为对小规模电源（包括那些嵌入在柔性基板和纺织品中的电源）的新兴需求。更一般地，新颖的电极定位方法可以使得能够在具有改进的电化学性能的新电池设计中使用纳米结构的电极和多维结构。在这里，我们演示了生物和非生物组装方法的协同使用，以制造和定位小型电池组件，这些组件可能使具有复杂结构的高性能微型电池成为可能。在用作电池电解质的聚电解质多层微尺度岛的顶部，形成了用作电池阳极中活性阳极材料的病毒模板氧化钴纳米线的自组装层，并将该组件压模到铂微带集电器上。所得的电极阵列表现出完全的电化学功能。这种用于制造和定位电极的通用方法可以为实现高级电池设计（例如具有叉指式微电极或3D架构的电池设计）提供更大的灵活性。

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