Breakthrough in Sustainability Research: Bio-Based 3D Structures for Extreme Environments

Researchers at Qilu University of Technology have developed a revolutionary method to create porous 3D structures from agricultural waste, specifically corn stalk pith, that exhibit exceptional resilience and stability. These structures have tremendous potential in various applications, including oil-water separation, flexible electronics, and thermal insulation. The innovative approach leverages a sustainable route to produce nano-micro structured materials that can withstand extreme environments.

Key Takeaways:

• The research developed bio-based 3D structures from corn stalk pith that preserve the intrinsic cellular microstructure of biomass via cell wall engineering under mild conditions.
• The enhanced compressive resilience of the 3D structures is attributed to the reduction of rigid lignin content, the intrinsic cellular microstructure, and the thickened hydrogel cell wall.
• Metal ions introduced through an inorganic salt solvent conferred ionic conductivity to the material, enabling a detection limit as low as 0.1 kPa.
• The bio-based sensor developed from these materials can precisely monitor various human activities by translating compressive deformation into reliable signals.
• These materials hold potential applications in oil-water separation, flexible electronics, and thermal insulation.
• The research has been peer-reviewed and published in Engineering robust bio-based 3D structures from corn stalk pith through a sustainable route to nano-micro structured extreme environment resistant materials.
• The additional authors for this research include Zhenpeng Shen, Huili Wang, Ruidong Chu, Dehai Yu, Zhaoping Song, Guodong Li, Xiaona Liu, and Wenxia Liu.

Statistics:

• The detection limit of the bio-based sensor is as low as 0.1 kPa.
• The compressive resilience of the 3D structures is 70 % in extreme environments.
• The materials hold tremendous potential in oil-water separation, flexible electronics, and thermal insulation.

Sources:

• Engineering robust bio-based 3D structures from corn stalk pith through a sustainable route to nano-micro structured extreme environment resistant materials. Carbohydrate Polymers, 2025;367:124054.
• Elsevier Sci Ltd, 125 London Wall, London, England.
• Yantao Wang, State Key Laboratory of Green Papermaking and Resource Recycling, Qilu University of Technology, Jinan 250353, People's Republic of China.