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Diffusion-Dependent Graphite Electrode for All-Solid-State Batteries with Extremely High Energy Density
ACS Energy Letters ( IF 19.3 ) Pub Date : 2020-08-26 , DOI: 10.1021/acsenergylett.0c01628 Ju Young Kim 1 , Joonam Park 2 , Myeong Ju Lee 1 , Seok Hun Kang 1 , Dong Ok Shin 1 , Jimin Oh 1 , Jumi Kim 1 , Kwang Man Kim 1 , Young-Gi Lee 1 , Yong Min Lee 2
ACS Energy Letters ( IF 19.3 ) Pub Date : 2020-08-26 , DOI: 10.1021/acsenergylett.0c01628 Ju Young Kim 1 , Joonam Park 2 , Myeong Ju Lee 1 , Seok Hun Kang 1 , Dong Ok Shin 1 , Jimin Oh 1 , Jumi Kim 1 , Kwang Man Kim 1 , Young-Gi Lee 1 , Yong Min Lee 2
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In all-solid-state batteries, the electrode has been generally fabricated as a composite of active material and solid electrolyte to imitate the electrode of lithium-ion batteries employing liquid electrolytes. Therefore, an efficient protocol to spatially arrange the two components with a scalable method is critical for high-performance all-solid-state batteries. Herein, a design of the all-solid-state electrode is presented for all-solid-state batteries with higher energy density than the typical composite-type electrode. The proposed electrode, composed mostly of the active materials, has a seamless interface between the active materials, which allows interparticle lithium-ion diffusion. Thus, the solid electrolyte can be completely excluded during the electrode manufacturing process, which enables higher flexibility for fabrication protocol by relieving the concerns about (electro)chemistry related to solid electrolytes. Furthermore, it can dramatically enhance the normalized energy density by increasing the content of the active material in the electrode. This electrode concept provides a meaningful advance toward high-performance all-solid-state batteries.
中文翻译：
具有高能量密度的全固态电池的扩散相关石墨电极
在全固态电池中，通常将电极制造为活性材料和固体电解质的复合物，以模仿采用液体电解质的锂离子电池的电极。因此，有效的协议以可扩展的方法在空间上排列两个组件对于高性能全固态电池至关重要。在此，提出了用于能量密度比典型的复合型电极高的全固态电池的全固态电极的设计。所提出的电极主要由活性材料组成，在活性材料之间具有无缝界面，从而允许粒子间锂离子扩散。因此，在电极制造过程中可以完全排除固体电解质，通过消除对与固体电解质有关的（电子）化学的担忧，可以为制造方案提供更高的灵活性。此外，通过增加电极中活性材料的含量，它可以显着提高归一化能量密度。这种电极概念为高性能全固态电池提供了有意义的进步。
更新日期：2020-09-11
中文翻译：
具有高能量密度的全固态电池的扩散相关石墨电极
在全固态电池中，通常将电极制造为活性材料和固体电解质的复合物，以模仿采用液体电解质的锂离子电池的电极。因此，有效的协议以可扩展的方法在空间上排列两个组件对于高性能全固态电池至关重要。在此，提出了用于能量密度比典型的复合型电极高的全固态电池的全固态电极的设计。所提出的电极主要由活性材料组成，在活性材料之间具有无缝界面，从而允许粒子间锂离子扩散。因此，在电极制造过程中可以完全排除固体电解质，通过消除对与固体电解质有关的（电子）化学的担忧，可以为制造方案提供更高的灵活性。此外，通过增加电极中活性材料的含量，它可以显着提高归一化能量密度。这种电极概念为高性能全固态电池提供了有意义的进步。
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