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System and method for removing coolant ions of fuel cell online

A fuel cell and coolant technology, applied in the field of on-line removal of fuel cell coolant ions, and on-line removal of ions in fuel cell coolant, can solve problems such as non-environmental protection costs, achieve low input costs, improve power generation efficiency, and avoid internal friction Effect

Pending Publication Date: 2017-09-08
NANTONG BAIYING ENERGY
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AI Technical Summary

Problems solved by technology

The general deionization method simply replaces the coolant, which is not environmentally friendly and costs a lot

Method used

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  • System and method for removing coolant ions of fuel cell online

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Embodiment Construction

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0020] In a specific embodiment of the present invention, such as figure 1 As shown, the present invention specifically discloses a system for on-line removal of fuel cell coolant ions, including a stack 1, a conductance sensor 7, a fuel cell cooling water pump 6, a bypass solenoid valve 5, a bypass cooler 4, and a deionization resin Bed 2 and fuel cell radiator 3, the conductance sensor 7 is arranged on the positive side of the electric stack 1, the output end of the conductance sensor 7 is connected to the input end of the fuel cell co...

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Abstract

The invention relates to the technical field of a fuel cell, and specifically discloses a system and a method for removing coolant ions of a fuel cell online. Online detection and a bypass de-ionizing system with a cooling apparatus are designed in the system; according to the method, the coolant electrical resistivity is measured by adopting a conductive sensor; and when the conductive sensor detects that that the coolant electrical resistivity is less than 0.2M<omega>.cm, the bypass cooling de-ionizing system is started to perform de-ionizing online. The online de-ionizing system and method are energy-saving and environment-friendly, and low in input cost; and by virtue of the setting of the conductive sensor, the coolant electrical resistivity is detected so as to perform de-ionizing on an electric pile system online and in time, so that various kinds of conductive ions generated in the operation of the fuel cell are effectively removed, internal consumption of the system is avoided, the power generation efficiency of the electric pile is improved, and the insulativity of the electric pile is enhanced.

Description

technical field [0001] The invention belongs to the technical field of fuel cells, and in particular relates to a system and method for removing ions from fuel cell coolants online, which are used for removing ions from fuel cell coolants online. Background technique [0002] A fuel cell is a device that converts chemical energy directly into electrical energy through an electrochemical reaction. Fuel cells have the advantages of high energy conversion efficiency, low noise, and zero emissions, which are not available in traditional fossil fuel power generation devices. [0003] In order to obtain a higher voltage output, a fuel cell usually consists of dozens to hundreds of single cells working in series, with a terminal voltage as high as 200V-400V. Since the fuel cell generates heat during operation, the battery pack with high power density usually adopts coolant circulation to dissipate heat. The commonly used coolant is deionized water or a mixture of deionized water a...

Claims

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Application Information

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IPC IPC(8): H01M8/04537H01M8/04791H01M8/04119
CPCH01M8/04119H01M8/04537H01M8/04791Y02E60/50
Inventor 周江东陈忠民朱海霞
Owner NANTONG BAIYING ENERGY
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