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Fuel battery device with series parallel circuit

A fuel cell and fuel cell stack technology, applied in fuel cells, fuel cell groups, circuits, etc., can solve problems such as excessive conversion ratio, increased fuel cell power loss, and voltage range limitations

Inactive Publication Date: 2009-01-28
SYSPOTEK CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as far as the means of DC voltage conversion is concerned, an excessive conversion ratio or an inappropriate conversion range will increase the power loss of the fuel cell
In addition, if this type of fuel cell adopts multi-stage voltage conversion, it will not only increase the overall cost, but also its convertible voltage range will still be limited

Method used

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  • Fuel battery device with series parallel circuit
  • Fuel battery device with series parallel circuit
  • Fuel battery device with series parallel circuit

Examples

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Embodiment Construction

[0030] refer to figure 1 As shown, it is a component correlation diagram showing the first embodiment of the fuel cell device with series-parallel circuit of the present invention. The invention relates to a fuel cell device with a series-parallel circuit, which comprises a first fuel cell group (1), a second fuel cell group (2) and a third fuel cell group (3) A plurality of fuel cell groups, and electrically connecting these fuel cell groups through a series-parallel circuit unit (4), and electrically connecting an electronic device (5) through the series-parallel circuit unit (4), so that these fuel cells The group can transmit power to the electronic device (5).

[0031] In the fuel cell device with a series-parallel circuit of the present invention, the first fuel cell group (1) has a DC power output terminal, and the DC power output terminal of the first fuel cell group (1) includes a first DC power output terminal. An electric positive output terminal (11) and a first ...

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PUM

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Abstract

The invention provides a fuel battery device with series-parallel circuits, comprising a plurality of fuel battery packs and series-parallel circuit units, wherein each fuel battery pack respectively comprises a DC power output end, the series-parallel circuit comprises a plurality of parallel selection circuits and the DC power output end, wherein the DC power output ends of the fuel battery packs are respectively in electric connection with the corresponding parallel selection circuits of the series-parallel circuits, the parallel selection circuits are in electric connection in parallel with the DC power output ends of the series-parallel circuits, and each parallel selection unit selects the DC power output end corresponding to the fuel battery pack and the DC power output end of the series-parallel circuit units as the electric conduction or the electric open circuit.

Description

technical field [0001] The invention relates to a fuel cell device with a series-parallel circuit, in particular to provide electrical series-parallel connection of a plurality of fuel cell groups and control of output power thereof. Background technique [0002] The known fuel cell utilizes the combination of hydrogen and oxygen to generate electrochemical reaction changes and become a new energy source that can provide electric energy. Usually, the fuel cell must undergo DC voltage conversion to control the output voltage of the fuel cell to provide the power required by the load. However, as far as the means of DC voltage conversion is concerned, an excessively large conversion ratio or an inappropriate conversion range will increase the power loss of the fuel cell. In addition, if this type of fuel cell adopts multi-stage voltage conversion, it will not only increase the overall cost, but also its convertible voltage range will still be limited. [0003] Furthermore, t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/00H01M8/24
CPCH01M8/0488H01M8/249Y02E60/50
Inventor 董敏耀童俊卿
Owner SYSPOTEK CORP
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