Wet Chemical‐Assisted 3D Printing Multiple Biomimetic Structural‐Wetting Dual‐Gradient Material for Efficient Fog Harvesting DOI Open Access

Jiang Shang,

Yuanyuan Hou,

Hechuan Wang

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 21, 2025

Abstract Collecting water from the atmosphere is an effective method to alleviate scarcity. Efforts enhance fog harvesting focus on optimizing three key processes: capture, droplet condensation, and transportation. Inspired by spider webs cactus thorns, this study used photo‐stereolithography 3D printing technology fabricate a bionic web (FHW) with primary spindle‐shaped web, secondary conical long tertiary micro inverted cone thorns. After wet‐chemical mask modification silica sol coatings, desert beetles‐inspired biomimetic FHW structure‐wettability dual gradient fabricated. The influences of structure parameters including angle, arrangement orientation, spike density/angle, wettability gradient, windward angle performances are systematically investigated. Moreover, integrated device (FHD) designed fabricated using fused deposition modeling technology, which can simultaneously realize efficient harvesting, stable storage, controlled extraction. outdoor actual efficiency reached 981.7 mg cm − 2 h⁻¹, retention rate under high‐temperature sunlight 96.52%. Therefore, work enhances understanding super wetting interfacial fundamental theory provides valuable strategies for designing fabricating systematic collection devices.

Language: Английский

Wet Chemical‐Assisted 3D Printing Multiple Biomimetic Structural‐Wetting Dual‐Gradient Material for Efficient Fog Harvesting DOI Open Access

Jiang Shang,

Yuanyuan Hou,

Hechuan Wang

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 21, 2025

Abstract Collecting water from the atmosphere is an effective method to alleviate scarcity. Efforts enhance fog harvesting focus on optimizing three key processes: capture, droplet condensation, and transportation. Inspired by spider webs cactus thorns, this study used photo‐stereolithography 3D printing technology fabricate a bionic web (FHW) with primary spindle‐shaped web, secondary conical long tertiary micro inverted cone thorns. After wet‐chemical mask modification silica sol coatings, desert beetles‐inspired biomimetic FHW structure‐wettability dual gradient fabricated. The influences of structure parameters including angle, arrangement orientation, spike density/angle, wettability gradient, windward angle performances are systematically investigated. Moreover, integrated device (FHD) designed fabricated using fused deposition modeling technology, which can simultaneously realize efficient harvesting, stable storage, controlled extraction. outdoor actual efficiency reached 981.7 mg cm − 2 h⁻¹, retention rate under high‐temperature sunlight 96.52%. Therefore, work enhances understanding super wetting interfacial fundamental theory provides valuable strategies for designing fabricating systematic collection devices.

Language: Английский

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