Waste-To-Energy: Sustainable Triboelectric Stimulating System Constructed by Bone Gelatin Based Triboelectric Nanogenerator for Crop Growth

IF 13 2区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Small Pub Date : 2024-11-21 DOI:10.1002/smll.202408925

Dangge Gao, Haoyuan Wu, Bin Lyu, Chi Zheng, Yingying Zhou, Jianzhong Ma

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引用次数: 0

Abstract

The misuse of synthetic chemicals such as pesticides and fertilizers harms the environment and human health. Abandoning them risks global food shortages. Urgent eco-friendly alternatives are needed for food production without excessive synthetic chemicals. To respond to this challenge, an innovative approach uses POSS polymer (PA) to modify waste bone gelatin (BG), constructinging a biodegradable triboelectric nanogenerator (PAG-TENG) tailored for the triboelectric stimulating system for seed germination (PTSS). Amide groups of PA improve the electron supplying capacity of BG and 3D cage structure captures and transfers charges of BG, thereby improving the output performance of PAG-TENG. The spatial electrostatic field formed by PAG-TENG promotes seed germination when subjected to pressure changes in the environment. Hence output performance of PAG-TENG is improved from 52.34 V and 40.25 nA to 247.15 V and 482.12 nA, the sensitivity is 14.4957 V*kPa⁻¹. It maintains initial stable performance after the 6000 cycles of testing. Besides, the prepared PAG-TENG has good toughness, translucency, and degradability. Treated by the high voltage electrostatic field of PTSS, peas' germination rate remarkably increased by ≈27%. This work realizes the high-value utilization of waste resource BG, and provides a novel direction for the development of intelligent agriculture.

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废物变能源：基于骨明胶的三电纳米发电机构建的可持续三电刺激系统促进作物生长

滥用杀虫剂和化肥等合成化学品会危害环境和人类健康。放弃这些化学品可能会导致全球粮食短缺。在不使用过量合成化学品的情况下进行粮食生产急需生态友好型替代品。为了应对这一挑战，一种创新方法使用 POSS 聚合物（PA）对废弃骨明胶（BG）进行改性，构建出一种可生物降解的三电纳米发电机（PAG-TENG），专门用于种子发芽三电刺激系统（PTSS）。PA 的酰胺基团提高了 BG 的电子供给能力，三维笼状结构捕获并转移了 BG 的电荷，从而提高了 PAG-TENG 的输出性能。PAG-TENG 形成的空间静电场可在环境压力变化时促进种子萌发。因此，PAG-TENG 的输出性能从 52.34 V 和 40.25 nA 提高到 247.15 V 和 482.12 nA，灵敏度为 14.4957 V*kPa-1。经过 6000 次循环测试后，它仍能保持最初的稳定性能。此外，制备的 PAG-TENG 还具有良好的韧性、半透明性和可降解性。在 PTSS 的高压静电场作用下，豌豆的发芽率显著提高了≈27%。这项工作实现了废弃资源 BG 的高值化利用，为智能农业的发展提供了新的方向。

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来源期刊

Small 工程技术-材料科学：综合

CiteScore

17.70

自引率

3.80%

发文量

1830

审稿时长

2.1 months

期刊介绍： Small serves as an exceptional platform for both experimental and theoretical studies in fundamental and applied interdisciplinary research at the nano- and microscale. The journal offers a compelling mix of peer-reviewed Research Articles, Reviews, Perspectives, and Comments. With a remarkable 2022 Journal Impact Factor of 13.3 (Journal Citation Reports from Clarivate Analytics, 2023), Small remains among the top multidisciplinary journals, covering a wide range of topics at the interface of materials science, chemistry, physics, engineering, medicine, and biology. Small's readership includes biochemists, biologists, biomedical scientists, chemists, engineers, information technologists, materials scientists, physicists, and theoreticians alike.