CN109921153B - Metal/air battery system - Google Patents
Metal/air battery system Download PDFInfo
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- CN109921153B CN109921153B CN201711332285.9A CN201711332285A CN109921153B CN 109921153 B CN109921153 B CN 109921153B CN 201711332285 A CN201711332285 A CN 201711332285A CN 109921153 B CN109921153 B CN 109921153B
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Abstract
The invention discloses a metal/air battery system, which comprises a supporting framework, a reaction container with an upper opening, a battery upper cover, a metal anode and an air cathode, wherein the upper opening is arranged on the upper part of the reaction container; the supporting framework is sequentially provided with a connecting part and a supporting part from top to bottom; the outer side surface of the upper battery cover is fixedly connected with the upper part of the connecting part; the connecting part is of a telescopic structure; the outer side surface of the reaction container on the same side as the upper cover of the battery is rotatably connected with the lower part of the connecting part; the height of the supporting part is adjustable. The upper cover of the battery is provided with at least one filling port communicated with the reaction container, and at least one solid electrolyte storage unit is arranged above the outer part of the upper cover of the battery. The metal/air battery of the invention has the following advantages: the metal/air battery endurance use process is simplified, and the electrolyte and the product are easy to discharge and replace; the solid electrolyte storage unit is integrated on the upper cover of the battery, so that the battery accessories are reduced, and the electrolyte configuration process is simplified.
Description
Technical Field
The invention relates to a metal/air battery system, in particular to a metal/air battery system which is easy to clean and replace electrolyte.
Background
The metal/air battery is an electrochemical reaction device which adopts metal (such as magnesium, aluminum, zinc and the like) as anode fuel, oxygen in the air as oxidant and alkali liquor as electrolyte solution, the reserves of the metal such as magnesium, aluminum, zinc and the like are abundant and low in price in China, so that the metal/air battery has wide application prospect in various fields of mobile power supplies such as communication power supplies, field emergency power supplies, lighting power supplies, reserve power supplies and the like in China.
Taking a magnesium air battery as an example, a corresponding product (metal hydroxide metal oxide) produced in the discharging process exists in the form of precipitate in an electrolyte solution, so that the battery performance is reduced, the electrolyte solution needs to be replaced frequently, and the electrode needs to be cleaned.
The metal/air battery has the obvious advantages that the specific energy is high, and the specific energy gradually rises along with the prolonging of the fuel service time, so that as a portable power supply, a use mode that a large-capacity anode is used for replacing electrolyte for multiple times is adopted, and the removal of metal hydroxide precipitates and the replacement of the electrolyte in the use process are complicated and tedious, thereby bringing limitation to the popularization and the use of the battery. The replacement of the electrolyte needs additional accessories for filling the solid or liquid electrolyte, so that the guarantee work of the battery is complex and large.
Disclosure of Invention
Aiming at the problems, the invention provides the metal/air battery which is easy to clean and replace electrolyte, so that the simple cleaning of the battery and the quick replacement and preparation of the electrolyte are realized, and the practicability and the convenience of a battery system are improved.
A metal/air battery system comprises a reaction container, a battery upper cover, a metal anode and an air cathode; the system also comprises a support framework, wherein the support framework is sequentially provided with a connecting part and a support part from top to bottom; the outer side surface of the upper battery cover is fixedly connected with the upper part of the connecting part; the connecting part is of a telescopic structure; the outer side face of the reaction container, which is on the same side as the upper cover of the battery, is rotatably connected with the lower part of the connecting part; the height of the supporting part is adjustable.
The connecting part of the metal-air battery supporting framework is of a structure capable of stretching up and down, the upper part of the connecting part is fixedly connected with the upper battery cover, and when electrolyte liquid is replaced, the connecting part extends upwards to drive the upper battery cover to extend out, so that a product far away from the reaction container is convenient to discharge.
The height of the supporting part is adjustable, the reaction container can be lifted from the bottom surface, so that the height of a battery system is increased, the lower part of the telescopic framework connecting part can rotate along the rotating shaft I, and an opening at the upper part of the reaction container rotates downwards; electrolyte liquid and products are convenient to pour and discharge;
in the reaction container, a metal anode is soaked in electrolyte, the upper cover of the battery is fixedly suspended above the metal anode and n metal anodes are fixedly connected by means of buckles, hooks, threads, bonding, welding, frame support and the like, wherein n is more than or equal to 1.
At least one reaction cavity can be arranged in the reaction container, and the metal anode is arranged in the reaction cavity; the metal anodes can be one or more than one and are respectively arranged in different reaction cavities; the anodes can be connected in parallel or in series among a plurality of reaction chambers to obtain metal/air batteries with different rated voltages or rated currents.
According to a preferable technical scheme, a rotating shaft I and a rotating shaft II are sequentially arranged on the outer side surface of the reaction container, which is on the same side with the upper cover of the battery, from top to bottom; the connecting part is rotatably connected with the reaction container through a rotating shaft I; the supporting part comprises two supporting rods and a base; the base is provided with a sliding groove; one ends of the two support rods are rotatably connected with the reaction container through a rotating shaft II; the other ends of the two support rods are connected with the base in a sliding mode through sliding grooves.
Preferably, the upper cover of the battery is provided with at least one filling port communicated with the reaction vessel, and at least one solid electrolyte storage unit is arranged above the outer part of the upper cover of the battery.
The solid electrolyte storage unit is of a closed structure, and electrolyte solution can be prepared by turning or rotating and filling electrolyte into the reaction container through the filling port.
As a preferred technical solution, the solid electrolyte storage unit can be a plurality of solid electrolyte storage units distributed in an array.
Preferably, the solid electrolyte storage unit is fixedly arranged, the arrangement position is located above each corresponding single cell, and each arrangement position is provided with one filling port.
As a preferred technical scheme, the solid electrolyte storage unit is placed in a movable mode, a sliding groove is formed in the upper portion outside the upper battery cover, and the solid electrolyte storage unit is connected with the upper battery cover in a sliding mode through the sliding groove. The solid electrolyte storage unit can move along the sliding groove, the filling port is unique and fixed, the solid electrolyte storage unit is moved to the position near the filling port to be overturned/rotated, and the solid electrolyte is poured into the reaction container through the filling port, so that the area of the filling port is reduced, and the sealing of a battery system is better realized.
As a preferable technical scheme, when the metal-air battery is in an n-section parallel structure, the number of the solid electrolyte storage units is the same as the number m of the battery use times; when n batteries are connected in series in the metal/air battery, the number of the solid electrolyte storage units is the product of the number m of the used batteries and the number n of the batteries connected in series.
Preferably, the solid electrolyte storage unit has a closed structure.
The sealing of the solid electrolyte storage unit can be realized by applying an elastic sealing material between the solid electrolyte storage unit and the side wall of the upper cover of the battery, or the sealing of the storage unit and a soft sealing material can be realized by applying the soft sealing material in the storage unit, and the filling of the electrolyte can be realized by realizing the breakage of the soft sealing material while turning or rotating the storage unit during use.
As a preferred technical scheme, the supporting framework is made of alkali-resistant plastic, metal or alloy. The plastic comprises one or more than two of ABS plastic, polyvinyl chloride (PVC), Polyethylene (PE), Polystyrene (PS), nylon PA, Polyformaldehyde (POM), Polysulfone (PSF) and polyphenylene sulfide (PPS); the metal comprises one or more than two of scandium, titanium, vanadium, chromium, cobalt, nickel, yttrium, zirconium, niobium, hafnium, tantalum, platinum and gold; the alloy comprises one or more than two of austenitic stainless steel, austenitic-ferrite stainless steel, martensitic stainless steel, Monel alloy, hastelloy alloy, titanium alloy, zirconium alloy, tantalum alloy and niobium alloy.
Preferably, the metal of the metal anode is selected from one or an alloy of at least two of Al, Mg, Li, Fe and Zn.
Compared with the prior art, the metal/air battery has the following advantages:
(1) the metal/air battery endurance use process is simplified, and the electrolyte and the product are easy to discharge and replace;
(2) the solid electrolyte storage unit is integrated on the upper cover of the battery, so that the battery accessories are reduced, and the electrolyte configuration process is simplified.
Drawings
FIG. 1 is a schematic diagram of a storage/operation state structure of a metal/air battery
FIG. 2 is a schematic view of a metal/air battery replacement product and an electrolyte state structure
FIG. 3 is a schematic view of a fixed structure of a solid electrolyte memory cell
FIG. 4 is a schematic diagram of a mobile structure of a solid electrolyte storage cell
FIG. 5 is a schematic diagram of a solid electrolyte storage unit with a flip-type structure
FIG. 6 is a partially schematic inverted view of a solid electrolyte memory cell
In the figure, 1-a battery upper cover, 2-a reaction container, 3-a supporting framework, 4-an electric control chamber, 5-a solid electrolyte storage unit, 6-a metal anode, 7-a rotating shaft II, 8-a rotating shaft I, 9-a rotating shaft III, 10-a sliding groove and 11 filling ports.
Detailed Description
Examples
As shown in fig. 1 and 2, the metal/air battery system comprises a supporting framework 3, a reaction container 2 with an upper opening and a battery upper cover 1, wherein the battery system is formed by connecting 30 single cells in series, and 30 single cells in a battery pack are respectively provided with a liquid injection port and a liquid discharge port which are mutually connected and overlapped in series to form a liquid injection main flow channel and a liquid discharge main flow channel of the battery pack. The solid electrolyte is stored in the solid electrolyte storage unit 5. Each single battery comprises two metal anodes 6 and four air cathodes (not shown in the figure), the anodes are aluminum alloy, and the metal anodes 6 are fixed on the upper cover of the battery in an upward hanging mode. The supporting framework 3 is sequentially provided with a connecting part and a supporting part from top to bottom, and the height of the supporting part is adjustable; the connecting part is of a telescopic structure; the outer side surface of the upper battery cover 1 is fixedly connected with the upper part of the connecting part; (ii) a The outer side face of the reaction container 2, which is at the same side as the upper cover of the battery, is sequentially provided with a rotating shaft I and a rotating shaft II from top to bottom; the lower part of the connecting part is rotationally connected with the reaction vessel 2 through a rotating shaft I; the supporting part consists of two supporting rods and a base; the base is provided with a sliding groove; one ends of the two support rods are rotatably connected with the reaction vessel 2 through a rotating shaft II; the other end is connected with the base in a sliding way through a sliding groove.
The upper cover 1 of the battery is provided with at least one filling opening 11 communicated with the reaction vessel 2, and at least one solid electrolyte storage unit 5 is arranged on the outer upper part of the upper cover 1 of the battery. The solid electrolyte storage units 5 are arranged in an array.
The solid electrolyte storage unit 5 has a closed structure and has a rotation axis iii 9, and can be inverted or rotated to fill the inside of the reaction vessel 2 with an electrolyte through a filling port 11 to prepare an electrolyte solution.
As shown in fig. 3, the solid electrolyte storage unit 5 is placed in a fixed manner at a position above each corresponding unit cell, and each placement position is provided with a filling port (not shown).
As shown in fig. 4, a sliding groove 10 is provided on the upper outer side of the upper battery cover 1, and the solid electrolyte storage unit 5 is movably disposed along the sliding groove 10. The filling port 11 is unique and fixed, the solid electrolyte storage unit 5 is moved to the vicinity of the filling port 11 to be overturned/rotated, and the solid electrolyte 5 is poured into the reaction vessel 2 through the filling port 11, so that the area of the filling port is reduced, and the sealing of the battery system is better realized.
Claims (9)
1. A metal/air battery system includes a reaction vessel having an upper opening, a battery upper cover, a metal anode, an air cathode; it is characterized in that the preparation method is characterized in that,
the system also comprises a support framework, wherein the support framework is sequentially provided with a connecting part and a support part from top to bottom;
the outer side surface of the upper battery cover is fixedly connected with the upper part of the connecting part;
the connecting part is of a telescopic structure;
the outer side face of the reaction container, which is on the same side as the upper cover of the battery, is rotatably connected with the lower part of the connecting part;
the height of the supporting part is adjustable;
the outer side face of the reaction container, which is at the same side as the upper cover of the battery, is sequentially provided with a rotating shaft I and a rotating shaft II from top to bottom;
the connecting part is rotatably connected with the reaction container through a rotating shaft I;
the supporting part comprises two supporting rods and a base;
the base is provided with a sliding groove;
one ends of the two support rods are rotatably connected with the reaction container through a rotating shaft II;
the other ends of the two support rods are connected with the base in a sliding mode through sliding grooves.
2. The metal/air battery system of claim 1,
the upper cover of the battery is provided with at least one filling port communicated with the reaction vessel,
at least one solid electrolyte storage unit is arranged on the outer upper side of the upper cover of the battery.
3. The metal/air battery system of claim 2,
the solid electrolyte storage units are distributed in an array manner.
4. The metal/air battery system according to claim 3,
the solid electrolyte storage unit is fixedly arranged, the arrangement position is positioned above each single cell, and each arrangement position is provided with one filling port.
5. The metal/air battery system according to claim 3,
the solid electrolyte storage unit is placed in a movable mode, a sliding groove is formed in the upper portion outside the upper battery cover, and the solid electrolyte storage unit is connected with the upper battery cover in a sliding mode through the sliding groove.
6. The metal/air battery system according to claim 3,
when the metal/air battery is in an n-section parallel structure, the number of the solid electrolyte storage units is the same as the number m of the battery use times; when n batteries are connected in series in the metal/air battery, the number of the solid electrolyte storage units is the product of the number m of the used batteries and the number n of the batteries connected in series.
7. The metal/air battery system according to claim 3, wherein the solid electrolyte storage unit is of a closed structure.
8. The metal/air battery system of claim 3, wherein the material of the support frame is an alkali-resistant plastic, metal, or alloy; the plastic comprises one or more than two of ABS plastic, polyvinyl chloride, polyethylene, polystyrene, nylon, polyformaldehyde, polysulfone and polyphenylene sulfide; the metal comprises one or more than two of scandium, titanium, vanadium, chromium, cobalt, nickel, yttrium, zirconium, niobium, hafnium, tantalum, platinum and gold; the alloy comprises one or more than two of austenitic stainless steel, austenitic-ferrite stainless steel, martensitic stainless steel, Monel alloy, hastelloy alloy, titanium alloy, zirconium alloy, tantalum alloy and niobium alloy.
9. The metal/air battery system of claim 1, wherein the metal of the metal anode is selected from one or an alloy of at least two of Al, Mg, Li, Fe, or Zn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332285.9A CN109921153B (en) | 2017-12-13 | 2017-12-13 | Metal/air battery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711332285.9A CN109921153B (en) | 2017-12-13 | 2017-12-13 | Metal/air battery system |
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| CN109921153A CN109921153A (en) | 2019-06-21 |
| CN109921153B true CN109921153B (en) | 2020-06-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0741424A1 (en) * | 1995-05-05 | 1996-11-06 | Rayovac Corporation | Metal-air cell having thin-walled electrode cans |
| CN103378385A (en) * | 2012-04-23 | 2013-10-30 | 夏普株式会社 | Metal-air battery and energy system |
| CN103855446A (en) * | 2012-11-29 | 2014-06-11 | 中国科学院大连化学物理研究所 | Electrolyte storage box for metal-air cell system |
| CN106207316A (en) * | 2016-08-29 | 2016-12-07 | 大连理工大学 | A kind of sea floatation type magnesium air cell of automatically replaceable electrolyte |
| CN106898845A (en) * | 2015-12-18 | 2017-06-27 | 中国科学院大连化学物理研究所 | A kind of metal-air batteries system and its quick start method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7166203B2 (en) * | 2002-09-12 | 2007-01-23 | Teck Cominco Metals Ltd. | Controlled concentration electrolysis system |
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- 2017-12-13 CN CN201711332285.9A patent/CN109921153B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0741424A1 (en) * | 1995-05-05 | 1996-11-06 | Rayovac Corporation | Metal-air cell having thin-walled electrode cans |
| CN103378385A (en) * | 2012-04-23 | 2013-10-30 | 夏普株式会社 | Metal-air battery and energy system |
| CN103855446A (en) * | 2012-11-29 | 2014-06-11 | 中国科学院大连化学物理研究所 | Electrolyte storage box for metal-air cell system |
| CN106898845A (en) * | 2015-12-18 | 2017-06-27 | 中国科学院大连化学物理研究所 | A kind of metal-air batteries system and its quick start method |
| CN106207316A (en) * | 2016-08-29 | 2016-12-07 | 大连理工大学 | A kind of sea floatation type magnesium air cell of automatically replaceable electrolyte |
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