Humidifier for fuel cell

A fuel cell and fuel cell stack technology, applied in fuel cells, electrochemical generators, circuits, etc., can solve the problems of high risk of freezing, reduced power generation efficiency, and failure to prevent power generation efficiency, and achieve the effect of preventing power generation efficiency from reducing

Active Publication Date: 2019-11-15
HYUNDAI MOTOR CO LTD +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

That said, in the '233 patent, it is still possible to force a considerable amount of condensate into an operating fuel cell stack, thereby failing to prevent a reduction in power generation efficiency
[0010]Furthermore, since the conveyance passage 6 formed on the downstream head 3 of the '233 patent is exposed to the outside, condensed water flows in the communication pipe 6 in a harsh cold environment. High risk of freezing in
The freezing of the condensed water in the communication pipe 6 may interfere with the discharge of the condensed water stagnant in the liquid pool area 33 inside the downstream head 3 from the liquid pool area 33 through the communication pipe 6, with the result that the condensed water flows into the fuel cell stack, resulting in a loss of power generation efficiency. reduce

Method used

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  • Humidifier for fuel cell
  • Humidifier for fuel cell
  • Humidifier for fuel cell

Examples

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Embodiment Construction

[0035] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will be further understood that when used in this specification, the terms "comprising" and / or "comprising" designate the presence of stated features, integers, steps, operations, elements and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. Throughout this specification, unless explicitly described to the contrary, the word "comprises" and variations such as "includes" or "comprising" will be understood to imply the inclusion of stated elements but not ...

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Abstract

Disclosed is a fuel cell humidifier which can completely or almost completely prevent condensate water from entering a running fuel cell stack. A fuel cell humidifier of the present invention comprises: a housing; a plurality of hollow fiber membranes arranged in the housing; a cap which is coupled to one end of the housing and has an air discharge port for supplying humidified air to the fuel cell stack; and a bypass tube for transferring condensate water generated from the humidified air to an interior space of the housing through which a discharge gas flows, wherein one end of the bypass tube is disposed inside the air discharge port, and the bypass tube is in fluid communication with the interior space of the housing through the other end of the bypass tube.

Description

technical field [0001] The present invention relates to a fuel cell humidifier, and more particularly, to a fuel cell humidifier that can completely or substantially completely prevent condensate water from flowing into an operating fuel cell stack. Background technique [0002] A fuel cell is a device that generates electricity by reacting hydrogen gas as a fuel with oxygen in the air to generate water. High-purity hydrogen is supplied from the hydrogen storage tank to the anode of the fuel cell stack, and air in the atmosphere is supplied to the cathode of the fuel cell stack through an air supply device such as a blower. [0003] Hydrogen gas supplied to the anode of the fuel cell stack is separated into hydrogen ions and electrons. Hydrogen ions move to the cathode through the polymer electrolyte membrane between the anode and cathode, and electrons move to the cathode through the outer conductor. Oxygen supplied to the cathode of the fuel cell stack produces electrici...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04119
CPCH01M8/04119Y02E60/50B01D63/02B01D2313/08B01D2313/083B01D2313/20H01M8/04141B01D2315/22B01D2315/24H01M8/04156H01M8/04149H01M2008/1095
Inventor 安雄铨金京柱吴暎奭李振炯安娜贤李昌夏金贤裕
Owner HYUNDAI MOTOR CO LTD
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