城市UHK研究人员创建了3D打印的智能材料,它们受到海胆脊柱的启发,通过水流发电,使水下自力感测成为可能。 CityUHK researchers created 3D-printed smart materials inspired by sea urchin spines that generate electricity from water flow, enabling self-powered underwater sensing.

城市UHK的研究人员创造了3D印刷的智能材料,模仿海胆脊椎,由于其梯度多孔结构,从水流中产生多达100毫伏的电力。 Researchers at CityUHK have created 3D-printed smart materials mimicking sea urchin spines, which generate up to 100 millivolts of electricity from water flow due to their gradient porous structure. 他们利用 vat 照片聚合, 复制脊椎的微结构, 与非梯度设计相比, 将电压提升三倍, 信号强度提高八倍。 Using vat photopolymerization, they replicated the spine’s microstructure, boosting voltage threefold and signal strength eightfold compared to non-gradient designs. 由此产生的传感器在没有外部力量的情况下实时探测水下流动,证明这一功能来自地形学,而不是物质构成。 The resulting sensor detects underwater flow in real time without external power, proving that function stems from topology, not material composition. 这一突破使得能够提供用于海洋监测、水下勘探、水管理和航空航天应用的自遥感材料,展示具有综合遥感和结构能力的受大自然启发的工程技术。 This breakthrough enables self-sensing materials for marine monitoring, underwater exploration, water management, and aerospace applications, showcasing nature-inspired engineering with integrated sensing and structural capabilities.