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首页> 外文期刊>Nano Energy >High-power lithium-ion microbatteries from imprinted 3D electrodes of sub-10 nm LiMn2O4/Li4Ti5O12 nanocrystals and a copolymer gel electrolyte
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High-power lithium-ion microbatteries from imprinted 3D electrodes of sub-10 nm LiMn2O4/Li4Ti5O12 nanocrystals and a copolymer gel electrolyte

机译：来自Sub-10nm LiMn2O4 / Li4Ti5O12纳米晶体和共聚物凝胶电解质的压印3D电极的高功率锂离子微滴膜

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摘要

Miniaturized energy-storage components are important to self-powered microelectronics. Microbatteries based on 3D electrode architectures hold great potential to meet the demands of high-power and high energy densities. Despite the progress in microelectrode fabrication, reports of high-performance, fully integrated 3D microbatteries are still limited due to strict material requirements and more importantly, significant hierarchical processing complexities. Here, a 3D lithium-ion microbattery made from solvothermally synthesized sub-10 nm LiMn2O4/Li4Ti5O12 nanocrystals and a novel copolymer gel electrolyte is presented and is shown to possess superior capacity retention (40% at 300 C) and high-power density (855.5 mu Wcm(-2) mu m(-1)) comparable to some of the best microsupercapacitors. The customized microelectrodes are fabricated by solvent-assisted imprint lithography of well-dispersed nanoparticle ink and the battery cell is integrated vertically through layer-by-layer (LBL) assembly. The fabrication strategy proposed here can be applied to a variety of electroactive materials. This work provides a combinatorial approach and highlights the synergetic effects of material synthesis, processing and device design for achieving high-performance micropower sources.
机译：小型化能量储存组件对自动微电子有重要。基于3D电极架构的微型薄膜占据了满足大功率和高能量密度的需求的巨大潜力。尽管微电极制造过程中的进展，但由于严格的材料要求和更重要的分层加工复杂性，仍然有限，仍然有限。这里，提出了一种由溶剂热合成的Sup-10nm-10nm-10n-10nM204 / Li4Ti5O12纳米晶体和新型共聚物凝胶电解质制成的3D锂离子微滴定量，并显示出具有优异的容量保持（40％在300℃）和高功率密度（855.5 mu wcm（-2）mu m（-1））与一些最好的微型电路管相当。定制的微电极通过良好分散的纳米颗粒油墨的溶剂辅助压印光刻制造，并且电池电池通过层逐层（LBL）组件垂直整合。这里提出的制造策略可以应用于各种电活性材料。这项工作提供了一种组合方法，并突出了实现高性能微电源来实现了材料合成，加工和装置设计的协同效应。

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