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A reverse electrodialysis power generation device

A reverse electrodialysis and power generation device technology, which is applied in the direction of generators, generators/motors, and electrical components that convert kinetic energy into electrical energy, can solve problems such as low energy conversion efficiency, increase power generation efficiency, and achieve zero input of electrical energy , The effect of increasing power generation efficiency

Active Publication Date: 2022-04-12
XIAN UNIV OF TECH
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Problems solved by technology

[0005] The purpose of the present invention is to provide a reverse electrodialysis power generation device, which solves the problem of low energy conversion efficiency in the prior art

Method used

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  • A reverse electrodialysis power generation device
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  • A reverse electrodialysis power generation device

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] A reverse electrodialysis power generation device, such as figure 1 As shown, including reverse electrodialysis membrane stack 1, such as figure 2 As shown, the reverse electrodialysis membrane stack 1 includes cathode plates 2 arranged in sequence, alternately arranged anion exchange membranes 3 and cation exchange membranes 4, and anode plates 5, and the alternately arranged anion exchange membranes 3 and cation exchange membranes 4 pass through the separator 6 interval, such as image 3 As shown, the separator 6 includes a separator pad 601 on which an anode mesh 602, an anion exchange mesh layer 603, a cation exchange mesh layer 604, and a cathode mesh 605 are laminated in sequence; The separator 6 between the two is a forward separator (the separator 6 is placed forward, and the left side is an anion exchange network layer 603)...

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Abstract

The invention discloses a reverse electrodialysis power generation device, which includes a reverse electrodialysis membrane stack. The reverse electrodialysis membrane stack includes sequentially arranged cathode plates, alternately arranged anion exchange membranes and cation exchange membranes, anode plates, and alternately arranged anion exchange membranes. The membrane and the cation exchange membrane are separated by a separator, and the separator includes a separator pad on which an anode mesh, an anion exchange mesh layer, a cation exchange mesh layer, and a cathode mesh are sequentially stacked; the anion exchange membrane and the cation exchange membrane are separated. The plate is a forward partition, the partition between the cation exchange membrane and the anion exchange membrane is a reverse partition, and the anion exchange network layer is close to the anion exchange membrane; the reverse electrodialysis membrane stack is connected with a concentrated water tank, a fresh water tank, and a concentrated water tank The water tank communicates with the forward partition, and the fresh water tank communicates with the reverse partition. It can reduce the influence of the shadow effect on the reverse electrodialysis, accelerate the ion migration rate by applying an electric field, and increase the power generation efficiency of the reverse electrodialysis.

Description

technical field [0001] The invention belongs to the technical field of power generation equipment, and relates to a reverse electrodialysis power generation device. Background technique [0002] Salt difference energy is the potential energy between two solutions with different ion concentrations. It is a kind of physical and chemical energy, which mainly exists in river estuaries, inland salt lakes and salt mines. Our country has a vast sea area, a long coastline, many rivers entering the sea, and huge runoff into the sea. There are abundant salinity energy resources near the mouths of the rivers along the coast. Reverse electrodialysis power generation is a new type of renewable, sustainable, green and clean energy that uses salt difference energy to generate electricity. As one of the most promising and potential technologies of salt differential power generation, reverse electrodialysis power generation has higher energy density, stronger operability and lower cost than...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02N3/00
CPCH02N3/00
Inventor 李美郭家斌王一玮
Owner XIAN UNIV OF TECH
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