Fuel cell system control method and fuel cell system

A fuel cell system and fuel cell technology, applied in battery circuit devices, current collectors, electric vehicles, etc., can solve problems such as the inability to efficiently utilize the high power density characteristics of fuel cells and the inability to cope with load requirements

Active Publication Date: 2015-08-12
WUHAN TROOWIN POWER SYST TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the embodiment of the present invention provides a fuel cell system control method and system, which solves the problem that the existing technology cannot cope with various load demands and cannot efficiently utilize the high power density characteristics of the fuel cell

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  • Fuel cell system control method and fuel cell system
  • Fuel cell system control method and fuel cell system
  • Fuel cell system control method and fuel cell system

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Embodiment Construction

[0080] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0081] figure 2 It is a fuel cell system control method provided by an embodiment of the present invention. like figure 2 As shown, the control method includes the following steps:

[0082] Step 201: Control the output power supplied by the fuel cell unit to the load within a limit power. Specifically, the output power supplied by the f...

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Abstract

The embodiment of the invention provides a fuel cell system control method and a fuel cell system, and aims to solve the problems of incapability of meeting various different load requirements and incapability of efficiently utilizing the high power density feature of a fuel cell in the prior art. The fuel cell system to which the fuel cell system control method provided by the embodiment of the invention adapts comprises a fuel cell unit and a storage battery unit. The method comprises the following steps: controlling output power supplied to a load by the fuel cell unit within limiting power; and when the required power of the load is greater than the limiting power of the fuel cell unit, controlling the storage battery unit to supplement remaining required power of the load.

Description

technical field [0001] The invention relates to the technical field of fuel cells, in particular to a fuel cell system control method and a fuel cell system. Background technique [0002] A fuel cell (Fuel Cell) is an electrochemical device that can directly convert the chemical energy of the reactants into electrical energy. Compared with the traditional fuel utilization method, the electrochemical reaction is not limited by the Carnot cycle, so it can obtain better energy conversion efficiency. For example, figure 1 Shown is a schematic diagram of a traditional fuel utilization method. In traditional fuel utilization methods (such as thermal power generation systems), there is a heat exchange process, which needs to convert chemical energy into thermal energy, thermal energy into kinetic energy, and then kinetic energy into electrical energy. In such an energy conversion process, the heat engine is limited by the Carnot cycle, and the conversion efficiency is not high. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/34
Inventor 左彬
Owner WUHAN TROOWIN POWER SYST TECH
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