Composite power system and control method thereof

A technology of a power supply system and control method, which is applied in fuel cell control, circuits, fuel cells, etc., can solve the problems of shortening the life of the fuel cell, unable to start the fuel cell, affecting the use of the power supply system, etc. Stabilize and avoid the effect of not being able to start the fuel cell

Pending Publication Date: 2019-05-24
NINGBO GRAPHENE INNOVATION CENT CO LTD
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Problems solved by technology

However, due to the large output response inertia of the fuel cell, frequent output current fluctuations will shorten the life of the fuel cell. In addition, the temperature has a great impact on the performance of the fuel cell. The optimum temperature is 60-80°, which requires a heating constant temperature design; therefore, the current Fuel cell systems on the market require an additional lithium battery o

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  • Composite power system and control method thereof
  • Composite power system and control method thereof
  • Composite power system and control method thereof

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Embodiment Construction

[0042] For a better understanding of the application, various aspects of the application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are descriptions of exemplary embodiments of the application only, and are not intended to limit the scope of the application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0043] It should be noted that in this specification, expressions such as first, second, etc. are only used to distinguish one feature from another, and do not represent any limitation on the features. Accordingly, a first heat sink discussed hereinafter may also be referred to as a second heat sink without departing from the teachings of the present application.

[0044] In the drawings, the thickness, size and shape of objects have been slightly exaggerated for convenience of illustration. The drawings are merely examples and are n...

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Abstract

The invention discloses a composite power system and a control method. The composite power system comprises at least one lithium battery module, at least one low-temperature fuel cell module and at least one fuel module fixed together. The lithium battery modules, the low-temperature fuel cell modules and the fuel modules are electrically connected with a battery management unit. The fuel modulesare electrically connected with the low-temperature fuel cell modules. The low-temperature fuel cell modules are electrically connected with the lithium battery modules. The lithium battery modules are electrically connected with the fuel modules. The fuel modules provide fuel for the low-temperature fuel cell modules, and the low-temperature fuel cell modules supply power to the lithium battery modules. The power system has a compact structure and occupies small area. Through the control method of the composite power system, the composite power system has higher safety performance and is morestable in power supply, and the performance of the power system can be improved.

Description

technical field [0001] The invention relates to the technical field of compound batteries, and more specifically relates to a compound power supply system and a control method thereof. Background technique [0002] The wide application of new energy by humans has led to the rapid expansion of the secondary battery market. In the current new energy system, the requirements for secondary batteries are ubiquitous. Whether it is electric vehicles, wind energy, solar grid connection or grid peak regulation, there is an urgent need for a cheap, reliable, safe and long-life secondary battery. The secondary batteries currently developed are mainly concentrated in lithium-ion batteries, high-temperature sodium-sulfur batteries, sodium-nickel-chloride batteries and vanadium flow batteries. These batteries have their own advantages, such as long life and high energy density of lithium-ion batteries and high-temperature sodium-sulfur batteries, and vanadium redox flow batteries have t...

Claims

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Application Information

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IPC IPC(8): H01M12/08H01M10/42H01M10/6554H01M8/2495H01M8/24H01M8/0432H01M8/04302H01M8/04298H01M8/04223H01M2/10H01M50/20
CPCY02E60/10Y02E60/50
Inventor 张晖黄基霖刘兆平
Owner NINGBO GRAPHENE INNOVATION CENT CO LTD
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