Fuel cell system

A technology of fuel cell system and fuel stack, which is applied in the direction of fuel cell additives, etc., can solve the problems of reduced humidification effect, influence of membrane performance, single manufacturer, etc., and achieves the effects of cost reduction, guaranteed power generation efficiency, and simple structure

Active Publication Date: 2012-07-04
JIANGSU YAOYANG NEW ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Yet because the wet film humidifier of above-mentioned type mostly uses polyfluorosulfonic acid film, and the manufacturer of this film is single (for example, mainly be the Nafion series product of U.S. DuPont Company or the product of U.S. perma pure company), make material and Processing costs are high
In addition, the humidification effect of this wet film humidifier is not ideal, generally only below 85% relative humidity, and the temperature of the reac

Method used

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Embodiment 1

[0034] A fuel cell system is provided which includes a fuel stack ( -1310, purchased from Canada Ballard Power Systems Inc.), the fan that sends into the outside air, the first moisture separator (AF4000 type automatic drainer that is connected to each other with the cathode outlet of the fuel stack, purchased from Albes Pneumatic Co., Ltd., Wenzhou City, Zhejiang Province), the first shell-and-tube heat exchanger (8H25 type, purchased from Shanghai Ou Deke Fluid Treatment Equipment Co., Ltd.) connected to the first water-gas separator and the three-way pipe joint as a mixing device ( 30mm green tee joint, purchased from Fangdun Instrument Valve Co., Ltd., Wenzhou City, Zhejiang Province), the layout of these parts can refer to the present invention figure 2 shown; wherein, the cooling mode of the fuel cell system is to deliver water to the cooling channel in the fuel cell stack, the output power of the fuel cell system is 3.7kW, and the fuel processing subsystem (which incl...

Embodiment 2

[0040] A fuel cell system is provided which includes a fuel stack ( -1310, purchased from Canada Ballard Power Systems Inc.), the fan that sends into the outside air, the first moisture separator (AF4000 type automatic drainer that is connected to each other with the cathode outlet of the fuel stack, purchased from Albes Pneumatic Co., Ltd., Wenzhou City, Zhejiang Province), the first plate heat exchanger (Alfa Nova 27-20 type, purchased from Sweden Alfa Laval company) connected with the first water-gas separator, the three-way pipe joint (30mm Green Three Common connector, purchased from Fangdun Instrument Valve Co., Ltd., Wenzhou City, Zhejiang Province), the second water-gas separator (AF4000 automatic drain, purchased from Albeis Pneumatic Co., Ltd., Wenzhou City, Zhejiang Province) and the second plate heat exchanger (Alfa Nova 27-20 type, purchased from Sweden Alfa Laval Company) arranged between the cathode outlet of the fuel stack and the first water-gas separator, T...

Embodiment 3

[0046] A fuel cell system is provided, which includes a fuel stack (9SSL stack product, purchased from Canada Ballard Power Systems Inc.), a fan that sends in external air, and the first moisture separator connected to the cathode outlet of the fuel stack (JAD402-S type, purchased from Jingwei Machinery Factory, Fenghua City, Zhejiang Province), the first plate heat exchanger connected to the first water-gas separator (B5-SN-S type, purchased from Sweden SWEP company, Lands crona City), a tee pipe joint as a mixing device (20mm quick-plug tee joint, purchased from Albes Pneumatic Co., Ltd., Wenzhou City, Zhejiang Province), and a second set between the cathode inlet of the fuel stack and the mixing device A water-gas separator (JAD402-S type, purchased from Jingwei Machinery Factory, Fenghua City, Zhejiang Province) and a second plate heat exchanger (B5) arranged between the cathode outlet of the fuel stack and the first water-gas separator -SN-S type, available from Sweden SW...

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Abstract

The invention provides a fuel cell system, which comprises a heating and humidifying sub-system. According to the heating and humidifying sub-system of the fuel cell system, reaction gas is heated and humidified by using a heat exchanger and a water gas separator, the cost is greatly reduced, the problem that the performance of the heat exchanger and the water gas separator which operate for a long time is degraded is solved, and the performance can be kept stable for a long time, so that the generation efficiency of the fuel cell system is guaranteed.

Description

technical field [0001] The present invention relates to a fuel cell system, more specifically, to a fuel cell system with a temperature increasing and humidifying subsystem. Background technique [0002] It is known that the fuel stack in the fuel cell system can operate at high temperature (generally >120°C) or low temperature (generally <90°C, especially at 50°C-70°C) depending on the membrane used (for example, proton exchange membrane). ℃) to work. When the fuel stack operates at the above-mentioned low temperature, it is usually necessary to increase the temperature and humidify the reaction gas, which is crucial to maintain the electrochemical activity and life of the membrane used in the fuel stack. [0003] Conventional humidifiers used in fuel cell systems are mostly wet film humidifiers based on polyfluorosulfonic acid membranes. This kind of wet film humidifier enables the low-temperature dry reaction gas entering the fuel stack (anode or cathode) to excha...

Claims

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Application Information

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IPC IPC(8): H01M8/04
CPCY02E60/50
Inventor 欧阳洵
Owner JIANGSU YAOYANG NEW ENERGY TECH
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