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Materials and approaches for on-body energy harvesting

机译:人体能量收集的材料和方法

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摘要

The human body is a challenging platform for energy harvesting. For thermoelectrics, the small temperature differences between the skin and air necessitate materials with low thermal conductivities in order to maintain useful output powers. For kinetic harvesting, human motion is not strongly tonal, the frequencies are very low, and the accelerations are modest. Kinetic harvesting can be split into two categories-inertial, in which human motion excites an inertial mass-the motion of which is transduced to electricity, and clothing integrated, in which the harvesting material is integrated with a garment or other flexible wearable system. In the first case, key issues are the electromechanical dynamics of the system and materials with improved electromechanical transduction figures of merit. In the second case, materials that provide flexibility, stretchability, and comfort are of primary importance.
机译:人体是能量收集的具有挑战性的平台。对于热电设备,皮肤和空气之间的小温差需要具有低导热率的材料,以保持有用的输出功率。对于动能采集,人的运动并不强烈,声音的频率很低,加速度适中。动能收获可分为两类:惯性和惯性,惯性是人类的运动激发惯性质量,惯性运动的惯性质量被转换为电,惯性是将服装的材料与衣服或其他柔性可穿戴系统整合在一起。在第一种情况下,关键问题是系统和材料的机电动力学,以及机电转换性能指标的提高。在第二种情况下,提供柔韧性,可拉伸性和舒适性的材料至关重要。

著录项

  • 来源
    《MRS bulletin》 |2018年第3期|206-213|共8页
  • 作者单位

    Univ Utah, Dept Mech Engn, Salt Lake City, UT 84112 USA;

    Penn State Univ, Ceram Sci & Engn, University Pk, PA 16802 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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