Solvent-free thermoplastic foaming for superelastic graphene monoliths

IF 15.7 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Nature Communications Pub Date : 2025-07-02 DOI:10.1038/s41467-025-61123-3

Zeshen Li, Xiaotong Li, Kai Pang, Kaiwen Li, Yue Gao, Chengqi Zhang, Jiahao Lu, Yingjun Liu, Zhen Xu, Chao Gao

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Abstract

Graphene monoliths with high porosity inherit extraordinary properties of graphene and establish a versatile platform to integrate diverse materials for multifunctional applications. To date, many methods have been invented to prepare graphene monoliths, including freeze-drying and templating, but these predominantly rely on fluid-based process. Direct thermoplastic foaming for graphene monoliths, as seen in the polymer industry, remains undeveloped. Here, we demonstrate a direct thermoplastic foaming strategy of a graphene monolith with high elasticity and multifunctionality. The intercalation of polymers enables the thermal plasticity of graphene oxide complex solids and allows precise control of the cellular structure of the graphene monolith. The direct thermoplastic foaming method is applicable to graphene monolith bulks, 3D-printed structures, and other 2D-nanosheets monoliths. This approach provides a facile, nontoxic, rapid and low-cost route for the industrial production of monoliths comprising graphene and various nanomaterials.

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用于超弹性石墨烯单体的无溶剂热塑性发泡

高孔隙率的石墨烯单块体继承了石墨烯的非凡特性，并建立了一个多功能平台，将多种材料集成在一起，实现多功能应用。迄今为止，已经发明了许多制备石墨烯单体的方法，包括冷冻干燥和模板，但这些方法主要依赖于基于流体的工艺。在聚合物工业中，石墨烯单体的直接热塑性发泡仍未开发。在这里，我们展示了具有高弹性和多功能的石墨烯单体的直接热塑性发泡策略。聚合物的嵌入使氧化石墨烯复合固体具有热可塑性，并可以精确控制石墨烯单体的细胞结构。直接热塑性发泡法适用于石墨烯整体块体、3d打印结构和其他2d纳米片整体。这种方法为工业生产包含石墨烯和各种纳米材料的单体材料提供了一种简单、无毒、快速和低成本的途径。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nature Communications Biological Science Disciplines-

CiteScore

24.90

自引率

2.40%

发文量

6928

审稿时长

3.7 months

期刊介绍： Nature Communications, an open-access journal, publishes high-quality research spanning all areas of the natural sciences. Papers featured in the journal showcase significant advances relevant to specialists in each respective field. With a 2-year impact factor of 16.6 (2022) and a median time of 8 days from submission to the first editorial decision, Nature Communications is committed to rapid dissemination of research findings. As a multidisciplinary journal, it welcomes contributions from biological, health, physical, chemical, Earth, social, mathematical, applied, and engineering sciences, aiming to highlight important breakthroughs within each domain.