Energy Options for Wireless Sensor Nodes.
Energy Options for Wireless Sensor Nodes.
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DOI：
10.3390/s8128037
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发表时间：
2008-12-08
期刊：
影响因子：
--
通讯作者：
Behrens S
中科院分区：
文献类型：
--
作者：
Knight C;Davidson J;Behrens S
消费电子产品尺寸和功耗的减小为低功耗无线传感器网络带来了许多机会。主要挑战之一是随着网络中节点数量的增长而支持电池供电的设备。两种主要的替代方案是利用更高能量密度的存储能源，或者在节点处利用本地形式的能源发电。本文回顾了传感器节点能量存储和能量收集领域的最先进技术。讨论的储能选项包括电池、电容器、燃料电池、热机和贝塔伏特系统。能量收集领域的讨论涉及光伏、温度梯度、流体流动、压力变化和振动收集。
Reduction in size and power consumption of consumer electronics has opened up many opportunities for low power wireless sensor networks. One of the major challenges is in supporting battery operated devices as the number of nodes in a network grows. The two main alternatives are to utilize higher energy density sources of stored energy, or to generate power at the node from local forms of energy. This paper reviews the state-of-the art technology in the field of both energy storage and energy harvesting for sensor nodes. The options discussed for energy storage include batteries, capacitors, fuel cells, heat engines and betavoltaic systems. The field of energy harvesting is discussed with reference to photovoltaics, temperature gradients, fluid flow, pressure variations and vibration harvesting.
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