CN203553308U - Household magnesium air battery system - Google Patents

Household magnesium air battery system Download PDF

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Publication number
CN203553308U
CN203553308U CN201320613360.XU CN201320613360U CN203553308U CN 203553308 U CN203553308 U CN 203553308U CN 201320613360 U CN201320613360 U CN 201320613360U CN 203553308 U CN203553308 U CN 203553308U
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China
Prior art keywords
magnesium
air
electrolyte
magnesium air
air battery
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Expired - Lifetime
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CN201320613360.XU
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Chinese (zh)
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刘甲祥
欧阳宇平
晁自胜
贺浩
邬晔
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Individual
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

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Abstract

The utility model discloses a household magnesium air battery system. The household magnesium air battery system comprises a magnesium air battery pack, an electrolyte regeneration tank and an electrolyte circulation pump, wherein a conical funnel is arranged at the bottom of the magnesium air battery pack, and an opening is respectively formed at the bottom of each anode plate of the magnesium air battery pack and communicated with the conical funnel; the conical funnel is communicated with the upper part of the electrolyte regeneration tank through a pipeline, a filter plate is arranged in the middle part of the electrolyte regeneration tank, and the bottom of the electrolyte regeneration tank is communicated with the magnesium air battery pack through the electrolyte circulation pump. The household magnesium air battery system disclosed by the utility model is provided with the electrolyte regeneration tank, so that an electrolyte can be regenerated and utilized, produced hydroxides can be conveniently recovered, the discharge of wastes in the using process of a battery is reduced, the using cost of the battery is reduced, the pump is adopted for conveying to replace the electrolyte, and the maintenance of the battery is greatly facilitated.

Description

A kind of family expenses magnesium air battery system
Technical field
The utility model relates to a kind of metal-air battery system, particularly relates to a kind of family expenses magnesium air battery system.
Background technology
In recent years, along with social development, energy crisis and environmental pollution become one of principal contradiction of social development.This makes development environment close friend's novel energy become a very eager problem.Metal air fuel cell is take metal (Li, Mg, Al, Zn, Fe etc.) as anode active material, take airborne oxygen as cathode active material, is wide concerned a kind of battery in recent years.It has the advantages such as large capacity, low cost, nontoxic pollution-free, high-energy-density and high-specific-power, is called as " green energy resource geared to the 21st century ".
Magnesium air cell, as a member of metal-air cell, has higher open circuit voltage, magnesium metal has larger electrochemical equivalent (2.2Ah/g) simultaneously, is only second to lithium and aluminium, but only 1.74g/cm3 of its density, than aluminium hydrogen, therefore, magnesium air fuel cell has high specific energy.At present, the close 800wh/kg that reached of the energy of magnesium air fuel cell, is equivalent to automobile 30 times of lead-acid battery.Just because of these advantages, on mobile electronic equipment, autonomous type submerge device, ocean underwater instrument and stand-by power supply, there are very large potentiality.
In outlying district, the power supply inconvenient area such as mountain area, plateau, grassland, island, household electricity is very inconvenient.If employing diesel power generation, its noise is large especially, also brings a large amount of gas dischargings simultaneously; If the new forms of energy such as the solar energy that employing development in recent years is got up, wind energy, depend on again natural conditions greatly, the electric energy of generation is stable not.Find a kind of environmental friendliness and the stable electric power system of powering is necessary for the powerup issue that solves the inconvenient area of centrally connected power supply very much.
As a desirable solution, magnesium air fuel cell can provide clean friendly stable electric power supply again.In the use procedure of metal-air cell, metal is consumed as fuel, consumes the oxygen in atmosphere simultaneously, produce metal hydroxides, this process does not have the discharge of dusty gas, does not produce noisy noise yet, and the working service of magnesium air cell is also quite convenient.But, the metal hydroxides that common metal-air cell produces is along with the replacing of electrolyte has directly been discharged without just collecting, wasted so a large amount of metals, if these metal hydroxidess are separated, collect and be recycled to metal fuel rod/plate production unit, both zero discharge can be realized, and the cost of metal fuel rod can be reduced again.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides that a kind of noise is little, cost is low, electric energy is stable, the family expenses magnesium air battery system of nontoxic pollution-free.
The technical solution adopted in the utility model is: comprise magnesium air cell group, regeneration of electrolyte tank and electrolyte circulating pump, described magnesium air cell group bottom is provided with a conical hopper, and the bottom of every positive plate of magnesium air cell group is respectively equipped with opening and is communicated with conical hopper; Described conical hopper is communicated with the top of regeneration of electrolyte tank by pipeline, and the middle part of described regeneration of electrolyte tank is provided with filter, and the bottom of regeneration of electrolyte tank is communicated with magnesium air cell group by electrolyte circulating pump.
In above-mentioned family expenses magnesium air battery system, described conical hopper is provided with valve with the pipeline that the top of regeneration of electrolyte tank is communicated with.
In above-mentioned family expenses magnesium air battery system, on described regeneration of electrolyte tank, be also provided with electrolytic salt and supplement mouth.
In above-mentioned family expenses magnesium air battery system, described magnesium air fuel cell group comprises 10~12 magnesium alloy anodes and 20~24 air cathodes, and every magnesium alloy anode is connected with two air cathodes respectively, and magnesium alloy anode is placed between two air cathodes.
In above-mentioned family expenses magnesium air battery system, the distance between described magnesium alloy anode and adjacent air cathode is not less than 2mm, and the distance between adjacent two air cathodes is 4-6mm.
In above-mentioned family expenses magnesium air battery system, air cathode is comprised of watertight composition, current collector layers and Catalytic Layer, and watertight composition is towards air cavity, and Catalytic Layer is towards magnesium alloy anode, and current collector layers is between watertight composition and Catalytic Layer.
Compared with prior art, the beneficial effects of the utility model are:
1) magnesium air fuel cell group of the present utility model comprises 10~12 magnesium alloy anodes and 20~24 air cathodes, when significantly improving supply power voltage, larger output power can be provided, the needs that family's normal illumination and low-power electrical device are used can be substantially met;
2) precipitation of hydroxide producing in magnesium air fuel cell group discharge process of the present utility model can be temporarily stored in electrode bottom, avoids enrichment in metal electrode and air electrode and causes internal short-circuit of battery, affects supplying power for outside.
3) the utility model is provided with regeneration of electrolyte tank, make the electrolyte can regeneration, produced simultaneously hydroxide also can reclaim easily, reduce the discharge of refuse in battery use procedure, the use cost of reduction battery, simultaneously, the replacing of electrolyte adopts pump to carry, and greatly facilitates the maintenance of battery.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, the utility model comprises magnesium air cell group 1, regeneration of electrolyte tank 8 and electrolyte circulating pump 11, the bottom of described magnesium air cell group 1 is provided with a conical hopper 5, and the bottom of every block of magnesium alloy anode plate 4 of magnesium air cell group 1 is respectively equipped with opening 15 and is communicated with conical hopper 5; Described conical hopper 5 is communicated with the top of regeneration of electrolyte tank 8 by pipeline 7, and pipeline 7 is provided with valve 6.The middle part of described regeneration of electrolyte tank 8 is provided with filter 10, and the bottom of regeneration of electrolyte tank 8 is communicated with magnesium air cell group 1 by electrolyte circulating pump 11, is also provided with electrolytic salt and supplements mouth 9 on regeneration of electrolyte tank.Described magnesium air fuel cell group 1 comprises 4 and 24 air cathodes 3 of 12 magnesium alloy anodes, and every magnesium alloy anode 4 is connected with two air cathodes 3 respectively, and magnesium alloy anode 4 is placed between two air cathodes 3.Distance between described magnesium alloy anode 4 and adjacent air cathode 3 is not less than 2mm, so that the smooth sedimentation of precipitation of hydroxide; Distance between two adjacent air cathodes 3 is about 5mm, between form cavity, be convenient to electrode and contact with oxygen.
Described air cathode 3 is comprised of watertight composition, current collector layers and Catalytic Layer, and watertight composition, towards air cavity, is mainly made by polytetrafluoroethylene, prevents leaking outside of electrolyte; Catalytic Layer, towards metal anode, comprises oxygen reduction catalyst, conductive black, bonding agent etc.; Current collector layers between watertight composition and Catalytic Layer, the negative lug by current delivery to battery.Air cathode 3 is bonded at above the inside projection of magnesium air cell group 1 shell, and edge clamps sealing by plastic plate.The cavity forming between adjacent air cathode 3 is communicated with by air conduit 14 at battery bottom, can strengthen the mobile power supply performance that improves battery of gas interior by air-blowing.Air passes into magnesium air cell group 1 inside from air intlet 2, along air conduit 14, evenly spreads in each cell, and magnesium air cell group 1 is by positive pole ear 12 and negative lug 13 supplying power for outsides.
The opening 15 of described magnesium alloy anode 4 bottoms can be closed, when battery operated, and opening 15 closures, magnesium alloy anode 4 forms a cell with adjacent air electrode.Magnesium alloy anode 4 is apart from the about 5mm of bottom opening, the precipitation of hydroxide that battery discharge produces is from magnesium alloy anode 4 surfaces come off, directly be deposited to electrode chamber bottom temporary, when changing electrolyte, magnesium alloy anode 4 bottom openings 15 are opened, electrolyte carries precipitation of hydroxide and flows into conical hopper 5, and flow to regeneration of electrolyte tank 8, waste and old electrolyte enters after regeneration of electrolyte tank 8, after the filtration of filter 10, enter the bottom of regeneration of electrolyte tank 8, by supplementing electrolytic salt, regenerated, sediment reclaims after drying.

Claims (6)

1. a family expenses magnesium air battery system, it is characterized in that: comprise magnesium air cell group, regeneration of electrolyte tank and electrolyte circulating pump, described magnesium air cell group bottom is provided with a conical hopper, and the bottom of every positive plate of magnesium air cell group is respectively equipped with opening and is communicated with conical hopper; Described conical hopper is communicated with the top of regeneration of electrolyte tank by pipeline, and the middle part of described regeneration of electrolyte tank is provided with filter, and the bottom of regeneration of electrolyte tank is communicated with magnesium air cell group by electrolyte circulating pump.
2. family expenses magnesium air battery system as claimed in claim 1, is characterized in that: described conical hopper is provided with valve with the pipeline that the top of regeneration of electrolyte tank is communicated with.
3. family expenses magnesium air battery system as claimed in claim 1 or 2, is characterized in that: on described regeneration of electrolyte tank, be also provided with electrolytic salt and supplement mouth.
4. family expenses magnesium air battery system as claimed in claim 1 or 2, it is characterized in that: described magnesium air fuel cell group comprises 10~12 magnesium alloy anodes and 20~24 air cathodes, every magnesium alloy anode is connected with two air cathodes respectively, and magnesium alloy anode is placed between two air cathodes.
5. family expenses magnesium air battery system as claimed in claim 4, is characterized in that: the distance between described magnesium alloy anode and adjacent air cathode is not less than 2mm, the distance between adjacent two air cathodes is 4-6mm.
6. family expenses magnesium air battery system as claimed in claim 5, is characterized in that: air cathode is comprised of watertight composition, current collector layers and Catalytic Layer, and watertight composition is towards air cavity, and Catalytic Layer is towards magnesium alloy anode, and current collector layers is between watertight composition and Catalytic Layer.
CN201320613360.XU 2013-10-08 2013-10-08 Household magnesium air battery system Expired - Lifetime CN203553308U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320613360.XU CN203553308U (en) 2013-10-08 2013-10-08 Household magnesium air battery system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320613360.XU CN203553308U (en) 2013-10-08 2013-10-08 Household magnesium air battery system

Publications (1)

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CN203553308U true CN203553308U (en) 2014-04-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103531865A (en) * 2013-10-08 2014-01-22 刘甲祥 Household magnesium air battery system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103531865A (en) * 2013-10-08 2014-01-22 刘甲祥 Household magnesium air battery system
CN103531865B (en) * 2013-10-08 2017-01-25 刘甲祥 Household magnesium air battery system

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