Unlock instant, AI-driven research and patent intelligence for your innovation.

Cathode inlet gas humidification system and method for a fuel cell system

A technology of fuel cell system and humidification system, which is applied to fuel cell components, fuel cells, fuel cell additives, etc., and can solve problems such as heat loss

Inactive Publication Date: 2006-05-24
MODINE MFG CO
View PDF1 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

An additional problem with this type of condenser / humidifier approach is that the latent heat contained in the condensation and re-evaporation of the water is transferred from the is heat loss when an intermediate transfer medium is used to transfer condensation and re-evaporation energy

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Cathode inlet gas humidification system and method for a fuel cell system
  • Cathode inlet gas humidification system and method for a fuel cell system
  • Cathode inlet gas humidification system and method for a fuel cell system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] Referring to FIG. 1 , there is shown a cathode inlet gas humidification method and system for use in a fuel cell system 12 comprising a solid electrolyte membrane fuel cell 14 and for providing pressurized The cathode enters compressor 16 in gas stream 18 . The cathode inlet gas is commonly referred to as the oxidant for the fuel cell 14 and is typically provided in the form of air pressurized by the compressor 16 . As a result of pressurization by the compressor 6, the cathode inlet gas stream 18 is generally at a relatively high temperature. While the humidification method and system 10 is shown in connection with a solid electrolyte membrane fuel cell 14, it should be understood that the humidification method and system 10 can be used with any type of fuel cell that requires humidification of its cathode inlet gas stream. It should also be appreciated that fuel cell system 12 typically includes many more components and subsystems than shown here, such as fuel proces...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A method and system (10) for humidifying a cathode inlet gas stream (18) in a fuel cell system (12) comprising a fuel cell (14) and a cathode for supplying the fuel cell (14) Side (20) provides the compressor (16) for cathode entry gas stream (18). According to the method and system (10), heat is transferred from the cathode inlet gas stream (18) to the cathode exhaust fluid (24) at a first flow position relative to the cathode inlet gas stream (18), water vapor A flow position downstream of the first flow position of stream (18) is shifted from cathode exhaust fluid (24) to cathode inlet gas stream (18).

Description

technical field [0001] The present invention relates to systems and methods for humidifying a cathode inlet gas flow to the cathode side of a fuel cell. Background technique [0002] In solid electrolyte membrane fuel cells such as polymer electrolyte membrane fuel cells commonly referred to as proton exchange membrane (PEM) fuel cells, the electrolyte membrane requires relatively high levels of water saturation to prevent damage to the electrolyte membrane and deterioration of fuel cell performance . It is known to humidify the reactant streams, commonly referred to as the anode and cathode inlet gas streams, to provide a sufficient supply of water to maintain sufficient water saturation of the electrolyte membrane. One conventional method of humidifying the reactant stream is through the use of water tanks and delivery systems. However, this method requires additional equipment and can freeze during cold weather operation. One existing source of at least some of the wat...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04F28D21/00H01M8/02
CPCH01M8/04029H01M8/04126Y02E60/50F28D21/00H01M8/04
Inventor 马克·G.·沃斯乔·史蒂文森曹丽萍艾伦·P.·梅森尔
Owner MODINE MFG CO