Multistage coupled water-induced power generator device and power generation apparatus

By designing a multi-stage coupled water-induced power generation device, the synergistic effect of water flow and moisture is utilized to solve the problem of energy waste in single-stage devices, realize synchronous power generation of liquid and moisture, and improve energy utilization and power density.

CN116995950BActive Publication Date: 2026-06-19TSINGHUA UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TSINGHUA UNIVERSITY
Filing Date
2023-07-27
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing single-stage water-induced power generation devices discharge water in different forms after water resources are used, resulting in energy waste and low energy power density, failing to effectively utilize the energy of liquid flow and moisture diffusion.

Method used

A multi-stage coupled water-induced power generation device is designed, comprising a water flow-induced power generation layer, a water flow insulation layer, a third electrode layer, a moisture-induced power generation layer, and an encapsulation layer. The device achieves two energy outputs, one from liquid and one from moisture, through the water flow design inside the device. The synergistic effect of the water flow-induced power generation layer and the moisture-induced power generation layer is utilized to improve energy utilization and power density.

Benefits of technology

It enables simultaneous power generation from both liquid and wet water, improving the utilization rate of inherent energy in the water cycle and the energy power density of the device, thus significantly enhancing power generation efficiency.

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Abstract

This invention discloses a multi-stage coupled water-induced power generation device and its application. The device includes a water flow-induced power generation layer, a water flow-insulating layer, a third electrode layer, a moisture-induced power generation layer, and a fourth electrode layer. A first electrode is located at one end of the water flow-induced power generation layer, and a second electrode is located at the other end. Along the direction from the first electrode to the second electrode, the water flow-induced power generation layer includes a water absorption region and a water flow region, with the water absorption region containing a water-absorbing material. The water flow-insulating layer is stacked on at least one side of the water flow region and has through holes. The third electrode layer is stacked on the water flow-insulating layer and also has through holes. The moisture-induced power generation layer is stacked on the third electrode layer. The fourth electrode layer is stacked on the moisture-induced power generation layer. An encapsulation layer covers the entire water flow-induced power generation layer, water flow-insulating layer, first electrode layer, moisture-induced power generation layer, and fourth electrode layer, with at least a portion of the water absorption region not encapsulated. This device exhibits excellent energy power density.
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