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Fuel supply systems having operational resistance

A fuel cell system and fuel source technology, applied in the fields of fuel cells, fuel cell additives, thin material processing, etc., can solve problems such as operation difficulties

Inactive Publication Date: 2009-01-14
INTELLIGENT ENERGY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Compressed hydrogen is usually under high pressure, so its manipulation is very difficult
Also, they typically require large reserve fuel cartridges, making them impossible to make small enough for consumer electronics

Method used

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  • Fuel supply systems having operational resistance
  • Fuel supply systems having operational resistance
  • Fuel supply systems having operational resistance

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Embodiment Construction

[0049]As illustrated in the accompanying drawings and described in detail below, the present invention relates to fuel sources which store fuel cell fuels such as methanol and water, methanol / water mixtures, methanol / water mixtures of varying concentrations or pure methanol. Methanol can be used in many types of fuel cells, such as DMFC, enzyme fuel cells and conversion fuel cells, etc. The fuel source may comprise other types of fuel cell fuels, such as ethanol or other alcohols, metal hydrides such as sodium borohydride, other chemicals that can be converted to hydrogen, or other chemicals that enhance fuel cell performance or efficiency. Fuels also include potassium hydroxide (KOH) electrolyte, which can be used with metal fuel cells or alkaline fuel cells, and can be stored in the fuel source. For a metal fuel cell, the fuel is in the form of a fluid loaded with zinc particles immersed in a KOH electrolyte reaction solution, and the anode in the cell cavity is a particle a...

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Abstract

A fuel supply (1) including a cover (2) having an opening (8) for access to the fuel. The cover (2) includes a shutter (12) or similar element for closing off the opening (8) to increase the operational resistance to the insertion and / or removal of the fuel supply (1). In one embodiment, the cover (1) includes a support (6) with a rotatable cap (4), where the rotation of the cap causes the shutter (12) to open. In another embodiment, the cover includes a base and a slidable cap, where the slidable cap is the shutter. The shutter (12) may be manually actuated, mechanically actuated or electrically actuated. The cover (2) may be biased to the open position or to the closed position.

Description

technical field [0001] The present invention generally relates to fuel supply systems for various fuel cells, and more particularly, the present invention relates to fuel supply systems having relatively high resistance to operation. Background technique [0002] A fuel cell is a device that directly converts the chemical energy of reactants, ie, fuel and oxides, into direct current (DC) electricity. For a growing number of applications, fuel cells are more efficient than conventional power generation devices, such as those that burn fossil fuels, and more efficient than portable electrical energy storage devices, such as lithium-ion batteries. [0003] Generally speaking, fuel cell technology includes many different types of fuel cells, such as alkaline fuel cells, polymer electrolysis fuel cells, phosphoric acid fuel cells, molten carbonate fuel cells, solid oxide fuel cells and Enzyme fuel cells. Today's more important fuel cells can be roughly divided into several type...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/04
CPCH01M8/04201H01M8/04089Y02E60/523H01M8/2475Y02E60/50Y10T137/7062H01M8/04B65D83/44
Inventor 安德鲁·J·库瑞罗保罗·史葩尔佛洛伊德·菲尔班克斯迈克尔·居里娄
Owner INTELLIGENT ENERGY LTD