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Energy system

A technology of energy and generation part, applied in the field of energy system

Inactive Publication Date: 2013-11-20
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, in the hydrogen generation system disclosed in Patent Document 1, although it is a mechanism to introduce the reduced electrolytic solution from outside such as tap water, a mechanism for supplying water from outside the system is required for this purpose.

Method used

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Deformed example 1

[0078] Below, refer to image 3 , Modification 1 of the energy system of this embodiment will be described. exist image 3 in, for with Figure 1A The same structural elements use the same symbols, and descriptions are omitted. In addition, the following embodiment is an example, and this invention is not limited to the following embodiment.

[0079] image 3 It is a figure which shows a modification example of the energy system in embodiment of this invention. The hydrogen distribution mechanism 102 includes a hydrogen storage facility 301 . The hydrogen storage facility 301 stores hydrogen produced by the solar hydrogen production unit 101 and supplies the hydrogen to the fuel cell 103 . The hydrogen storage device 301 may be a container such as a can, or may be a storage form using a chemical method such as a hydrogen storage alloy.

[0080] In hydrogen generation by water splitting using a photocatalytic semiconductor electrode, water splitting can only proceed when ...

Deformed example 2

[0084] Below, refer to Figure 4 , Modification 2 of this embodiment will be described. exist Figure 4 in, for with Figure 1A as well as image 3 The same structural elements use the same symbols, and descriptions are omitted.

[0085] In addition, the following embodiment is an example, and this invention is not limited to the following embodiment.

[0086] Figure 4 It is a figure which shows one structural example of the energy system in embodiment of this invention. The water distribution mechanism 104 of the energy system in this modified example further has a water storage device 401 . The water storage facility 401 can temporarily store water that is a reaction product discharged from the fuel cell 103 . The water storage facility 401 is provided on the first path 106 between the downstream side of the cathode chamber of the fuel cell 103 and the water purification unit 105 in the water distribution mechanism 104 .

[0087] In this energy system, the photovolta...

Deformed example 3

[0096] Below, refer to Figure 5A as well as Figure 5B , Modification 3 of the present embodiment will be described. exist Figure 5A as well as Figure 5B in, for with Figure 1A , Figure 3-4 The same structural elements use the same symbols, and descriptions are omitted.

[0097] In addition, the following embodiment is an example, and this invention is not limited to the following embodiment.

[0098] Figure 5A as well as Figure 5B It is a figure which shows a modification example of the energy system in embodiment of this invention.

[0099] exist Figure 5AAmong them, a first cooler 501 is provided on the first path 106 in the water distribution mechanism 104 . The first cooler 501 cools water that is a reaction product discharged from the fuel cell 103 .

[0100] The water discharged from the fuel cell 103 becomes high in temperature due to heat generated when the fuel cell 103 generates power. On the other hand, the band gap of the photocatalytic semicond...

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Abstract

An energy system includes an solar hydrogen producing unit (101) that produces hydrogen through decomposition of water by a photocatalytic effect, a fuel cell (103) that generates electricity by a reaction between the hydrogen produced by the solar hydrogen producing unit (101) and an oxidizing gas and discharges water as a reaction product, and a water distribution mechanism (104) that returns the water serving as the reaction product discharged from the fuel cell (103) to the solar hydrogen producing unit (101). With the configuration, an energy system that suppresses an amount of external water supply to a low level to achieve good water balance can be provided.

Description

technical field [0001] The present invention relates to an energy system including at least a hydrogen generator that generates hydrogen by decomposing water by photocatalysis, and a fuel cell that generates electricity using hydrogen as an energy source. Background technique [0002] Hydrogen energy is attracting attention from the viewpoint of reducing carbon dioxide emissions and clean energy. By utilizing hydrogen as an energy medium such as a fuel cell, it can be converted into electricity and heat, and hydrogen itself can be used as heat and power even if it is directly burned. In addition, in both the case of using hydrogen in a fuel cell and the case of directly burning hydrogen, the final product is harmless and safe water, and a clean energy cycle can be created. [0003] Although hydrogen occurs naturally, it is mostly produced from petroleum and natural gas through catalyst-based cracking. In addition, hydrogen and oxygen can also be produced by electrolyzing w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/06H01M8/00H01M8/04H01M8/10
CPCH01M8/04119H01M8/0656H01M8/0606H01M16/003Y02E60/50H01M8/04029H01M8/04291Y02E60/36
Inventor 德弘宪一野村幸生铃木孝浩田村聪宫田伸弘谷口升羽藤一仁
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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