WO2015145690A1 - Air-battery regeneration device, air-battery system, and air-battery regeneration method - Google Patents
Air-battery regeneration device, air-battery system, and air-battery regeneration method Download PDFInfo
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- WO2015145690A1 WO2015145690A1 PCT/JP2014/058991 JP2014058991W WO2015145690A1 WO 2015145690 A1 WO2015145690 A1 WO 2015145690A1 JP 2014058991 W JP2014058991 W JP 2014058991W WO 2015145690 A1 WO2015145690 A1 WO 2015145690A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
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- the present invention relates to an air battery regeneration device, an air battery system, and an air battery regeneration method. More specifically, the present invention relates to an air battery regenerator that regenerates a reusable air battery, an air battery system that includes the air battery regenerator and a reusable air battery, and a method for regenerating the air battery.
- Non-Patent Document 1 an air battery having a bi-cell structure has been proposed (see Non-Patent Document 1). Further, in a salt water type air battery, it is known that a large amount of sludge (for example, Mg (OH) 2 ⁇ nH 2 O can be generated) is generated and deposited in a cell during power generation. ing. For example, when reusing a negative electrode exchange type air battery, it is known that such sludge needs to be removed.
- sludge for example, Mg (OH) 2 ⁇ nH 2 O can be generated
- Non-Patent Document 1 Even in the air battery having the bicell structure described in Non-Patent Document 1, the distance between the electrodes is short, and it is necessary to disassemble the cell when removing the sludge, and it is extremely difficult to remove the sludge. .
- the present invention has been made in view of such problems of the conventional technology.
- the present invention also provides an air battery regenerator and an air battery regenerator that regenerate a reusable air battery by removing a large amount of sludge without substantially decomposing a stack structure formed by a plurality of cells.
- an air battery system including the reusable air battery, and a method for regenerating the air battery.
- the inventors of the present invention made extensive studies to achieve the above object. As a result, when the discharge of the reusable air battery is completed, the above object can be achieved by providing the sludge removal means for removing the sludge existing in the cell portion of the stack structure of the air battery. As a result, the present invention has been completed.
- the air battery regenerator of the present invention is provided with sludge removing means for removing sludge existing in the cell part of the stack structure of the air battery when the discharge of the reusable air battery is completed. .
- the air battery system of the present invention includes the air battery regenerator of the present invention and a reusable air battery.
- the air battery regeneration method of the present invention is an air battery regeneration method for removing sludge present in the cell portion of the stack structure of the air battery when the discharge of the reusable air battery is completed.
- the sludge removing means for removing the sludge existing in the cell portion of the stack structure of the air battery is provided. Therefore, air battery regenerators that recycle reusable air batteries and air battery regenerators can be reused by removing a large amount of sludge without almost decomposing the stack structure formed by a plurality of cells.
- An air battery system including an air battery and a method for regenerating the air battery can be provided.
- FIG. 1 is a cross-sectional view schematically showing an air battery regenerator or an air battery system according to an embodiment of the present invention.
- FIG. 2 is a perspective view schematically showing an air battery regenerator or an air battery system according to an embodiment of the present invention.
- FIG. 1 is a cross-sectional view schematically showing an air battery regenerator or an air battery system according to an embodiment of the present invention.
- FIG. 2 is a perspective view schematically showing an air battery regenerator or an air battery system according to an embodiment of the present invention. That is, FIG. 1 and FIG. 2 show an air battery regeneration device applied to a reusable air battery, or an air battery system including an air battery regeneration device and a reusable air battery.
- the air battery regenerator 10 removes sludge present in the cell portion 54 of the stack structure 52 of the air battery 50 when the reusable air battery 50 is discharged.
- Sludge removing means 12 for removing is provided.
- the reusable air battery 50 includes a stack structure 52 formed of a plurality of cell portions 54, and the cell portion 54 is referred to as a bi-cell structure including two positive electrodes 54b for one negative electrode 54a. It has a structure. In the figure, 55 indicates the air flow path portion, and E indicates the remaining electrolyte.
- the air battery is not particularly limited as long as it generates sludge during power generation, and conventionally known air electrode (positive electrode), metal electrode (negative electrode), electrolyte solution An air battery having the above can be applied.
- the metal electrode (negative electrode) a magnesium electrode or an aluminum electrode containing magnesium can be used, and a sodium chloride aqueous solution can be used as the electrolytic solution.
- a negative electrode is replaceable, it is not limited to this.
- the “reusable air battery” means an air battery that can obtain a predetermined output again by removing sludge and supplying the electrolyte or replacing the negative electrode as necessary. Means.
- “when the discharge of the air battery is completed” means that, for example, in the cell portion of the air battery, a predetermined output is obtained due to sludge accumulation, electrolyte depletion, negative electrode consumption, and the like. It means when it is gone.
- an air battery regenerator or an air battery that regenerates a reusable air battery by removing a large amount of sludge without almost decomposing a stack structure formed by a plurality of cells includes a regenerator and a reusable air battery.
- the air battery is removed by removing a large amount of sludge existing in the cell part of the stack structure of the air battery with almost no decomposition of the stack structure. It can be regenerated and the air battery can be reused.
- the sludge removing means 12 is connected to the end of the liquid junction part 56 provided at the lower part of the cell part 54 and connecting the cell part 54, and discharges the sludge via the liquid junction part 56. .
- the cross-sectional area of the portion having the smallest cross-sectional area (for example, the narrowest portion indicated by 56a in the drawing) of the cross-section perpendicular to the liquid flow direction in the liquid junction portion 56 is usually sludge removal. It is because it is larger than the cross-sectional area of the liquid injection port of the cell supply part 8 considered as another connection position of a means.
- the width of the liquid injection port is large, it is equivalent to the distance between the electrodes.
- the diameter is about several mm to 5 mm, and the cross section perpendicular to the liquid flow direction in the liquid junction part.
- the cross-sectional area of the portion having the smallest cross-sectional area is determined by the lower length of the cell portion, and is usually secured longer than the width of the liquid injection port. In the present invention, it is preferable to have such a configuration, but it is not essential.
- the sludge removal means 12 has the filter part 12a, the drain part 12b, and the pump part 12c.
- sludge can be removed in the filter portion 12a connected to the pump portion 12c and the pipe 12d by suction due to the operation of the pump portion 12c, and liquid can be removed in the drain portion 12b.
- Sludge can be removed with a simple configuration. In the present invention, it is preferable to have such a configuration, but it is not essential.
- the liquid supply means 14 for supplying liquid to the sludge is provided when the discharge of the reusable air battery 50 is finished and before the sludge removal means 12 starts removing the sludge.
- the liquid supply means 14 has a liquid intake portion 14b having a tube structure for taking in liquid from the liquid tank 14a, and a cell supply portion 58 having a tube structure in which the liquid is branched from the liquid intake portion 14b.
- a conventionally known pump can be applied to the pump unit 14c.
- a filter portion indicated by 14d is disposed in the liquid intake portion 14b. Thereby, it is possible to prevent sludge from entering the pump 14c.
- the liquid supply means 14 may be a part of the air battery 50 instead of a part of the air battery regenerator 10.
- the liquid tank 14a, the liquid intake part 14b, and the pump part 14c may be part of the air battery 50 instead of a part of the air battery regenerator 10.
- the cell supply unit 58 may be a part of the air battery regenerator 10 instead of a part of the air battery 50.
- the filter part 12a is detachable. With such a configuration, it is possible to frequently replace a filter portion that may cause clogging when sludge removal is repeated, and to efficiently remove sludge. Of course, you may enable it to replace
- the pump part 12c attracts
- the pump unit 12c repeatedly sucks and depressurizes the sludge, so that the sludge is trapped by the filter unit and the liquid is accumulated in the drain unit.
- a pump capable of intermittently repeating suction for example, a diaphragm type dry vacuum pump (specifically, a diaphragm type dry vacuum pump DAP-15 manufactured by ASONE Co., Ltd. can be used). . In the present invention, it is preferable to have such a configuration, but it is not essential.
- the sludge When removing the sludge, the sludge is intermittently sucked and removed, so that a large amount of sludge existing in the cell portion of the stack structure of the air battery can be efficiently removed without almost decomposing the stack structure. Can be removed well.
- Air battery regeneration apparatus 12 Sludge removal means 12a Filter part 12b Drain part 12c Pump part 12d Pipe 14 Liquid supply means 14a Liquid tank 14b Liquid intake part 14c Pump part 14d Filter part 50 Air battery 52 Stack structure 54 Cell part 54a Negative electrode (Metal pole) 54b Positive electrode (air electrode) 55 Air flow path part 56 Liquid junction part 56a Narrowest part 58 Cell supply part E Electrolyte
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Abstract
This air-battery regeneration device (10) has a sludge-removing means (12) that, when a reusable air battery (50) has finished discharging, removes sludge that is present inside a cell section (54) of a stack structure (52) of said air battery (50). This air-battery system comprises the aforementioned air-battery regeneration device (10) and a reusable air battery (50). In this air-battery regeneration method, when a reusable air battery (10) has finished discharging, sludge that is present inside a cell section (54) of a stack structure (52) of said air battery (50) is removed.
Description
本発明は、空気電池再生装置、空気電池システム、及び空気電池の再生方法に関する。更に詳細には、本発明は、再利用可能な空気電池を再生する空気電池再生装置、空気電池再生装置と再利用可能な空気電池とを具備した空気電池システム、及び空気電池の再生方法に関する。
The present invention relates to an air battery regeneration device, an air battery system, and an air battery regeneration method. More specifically, the present invention relates to an air battery regenerator that regenerates a reusable air battery, an air battery system that includes the air battery regenerator and a reusable air battery, and a method for regenerating the air battery.
従来、バイセル構造を有する空気電池が提案されている（非特許文献１参照。）。
また、塩水型の空気電池においては、発電の際に大量のスラッジ（例えば、Ｍｇ（ＯＨ）２・ｎＨ２Ｏなどを挙げることができる。）がセル内に生成し、堆積することが知られている。
そして、例えば、負極交換型の空気電池を再利用する場合には、このようなスラッジを除去する必要があることが知られている。 Conventionally, an air battery having a bi-cell structure has been proposed (see Non-Patent Document 1).
Further, in a salt water type air battery, it is known that a large amount of sludge (for example, Mg (OH) 2 · nH 2 O can be generated) is generated and deposited in a cell during power generation. ing.
For example, when reusing a negative electrode exchange type air battery, it is known that such sludge needs to be removed.
また、塩水型の空気電池においては、発電の際に大量のスラッジ（例えば、Ｍｇ（ＯＨ）２・ｎＨ２Ｏなどを挙げることができる。）がセル内に生成し、堆積することが知られている。
そして、例えば、負極交換型の空気電池を再利用する場合には、このようなスラッジを除去する必要があることが知られている。 Conventionally, an air battery having a bi-cell structure has been proposed (see Non-Patent Document 1).
Further, in a salt water type air battery, it is known that a large amount of sludge (for example, Mg (OH) 2 · nH 2 O can be generated) is generated and deposited in a cell during power generation. ing.
For example, when reusing a negative electrode exchange type air battery, it is known that such sludge needs to be removed.
しかしながら、非特許文献１に記載のバイセル構造を有する空気電池であっても、電極間距離が短く、スラッジを除去する際にはセルを分解する必要があり、スラッジの除去は極めて困難であった。
However, even in the air battery having the bicell structure described in Non-Patent Document 1, the distance between the electrodes is short, and it is necessary to disassemble the cell when removing the sludge, and it is extremely difficult to remove the sludge. .
本発明は、このような従来技術の有する課題に鑑みてなされたものである。そして、本発明は、複数のセルによって形成されるスタック構造体を殆ど分解することなく、大量のスラッジを除去することによって、再利用可能な空気電池を再生する空気電池再生装置、空気電池再生装置と再利用可能な空気電池とを具備した空気電池システム、及び空気電池の再生方法を提供することを目的としている。
The present invention has been made in view of such problems of the conventional technology. The present invention also provides an air battery regenerator and an air battery regenerator that regenerate a reusable air battery by removing a large amount of sludge without substantially decomposing a stack structure formed by a plurality of cells. And an air battery system including the reusable air battery, and a method for regenerating the air battery.
本発明者らは、上記目的を達成するため鋭意検討を重ねた。その結果、再利用可能な空気電池の放電が終了したときに、空気電池のスタック構造体のセル部内に存在するスラッジを除去するスラッジ除去手段を備えた構成とすることにより、上記目的が達成できることを見出し、本発明を完成するに至った。
The inventors of the present invention made extensive studies to achieve the above object. As a result, when the discharge of the reusable air battery is completed, the above object can be achieved by providing the sludge removal means for removing the sludge existing in the cell portion of the stack structure of the air battery. As a result, the present invention has been completed.
すなわち、本発明の空気電池再生装置は、再利用可能な空気電池の放電が終了したときに、空気電池のスタック構造体のセル部内に存在するスラッジを除去するスラッジ除去手段を備えたものである。
That is, the air battery regenerator of the present invention is provided with sludge removing means for removing sludge existing in the cell part of the stack structure of the air battery when the discharge of the reusable air battery is completed. .
また、本発明の空気電池システムは、上記本発明の空気電池再生装置と、再利用可能な空気電池とを具備したものである。
The air battery system of the present invention includes the air battery regenerator of the present invention and a reusable air battery.
更に、本発明の空気電池の再生方法は、再利用可能な空気電池の放電が終了したときに、空気電池のスタック構造体のセル部内に存在するスラッジを除去する空気電池の再生方法である。
Furthermore, the air battery regeneration method of the present invention is an air battery regeneration method for removing sludge present in the cell portion of the stack structure of the air battery when the discharge of the reusable air battery is completed.
本発明によれば、再利用可能な空気電池の放電が終了したときに、空気電池のスタック構造体のセル部内に存在するスラッジを除去するスラッジ除去手段を備えた構成とした。
そのため、複数のセルによって形成されるスタック構造体を殆ど分解することなく、大量のスラッジを除去することによって、再利用可能な空気電池を再生する空気電池再生装置、空気電池再生装置と再利用可能な空気電池とを具備した空気電池システム、及び空気電池の再生方法を提供することができる。 According to the present invention, when the discharge of the reusable air battery is completed, the sludge removing means for removing the sludge existing in the cell portion of the stack structure of the air battery is provided.
Therefore, air battery regenerators that recycle reusable air batteries and air battery regenerators can be reused by removing a large amount of sludge without almost decomposing the stack structure formed by a plurality of cells. An air battery system including an air battery and a method for regenerating the air battery can be provided.
そのため、複数のセルによって形成されるスタック構造体を殆ど分解することなく、大量のスラッジを除去することによって、再利用可能な空気電池を再生する空気電池再生装置、空気電池再生装置と再利用可能な空気電池とを具備した空気電池システム、及び空気電池の再生方法を提供することができる。 According to the present invention, when the discharge of the reusable air battery is completed, the sludge removing means for removing the sludge existing in the cell portion of the stack structure of the air battery is provided.
Therefore, air battery regenerators that recycle reusable air batteries and air battery regenerators can be reused by removing a large amount of sludge without almost decomposing the stack structure formed by a plurality of cells. An air battery system including an air battery and a method for regenerating the air battery can be provided.
以下、本発明の一実施形態に係る空気電池再生装置、空気電池システム、及び空気電池の再生方法について、図面を参照しながら詳細に説明する。なお、図面の寸法比率は説明の都合上誇張されており、実際の比率とは異なる場合がある。
Hereinafter, an air battery regenerating apparatus, an air battery system, and an air battery regenerating method according to an embodiment of the present invention will be described in detail with reference to the drawings. In addition, the dimension ratio of drawing is exaggerated on account of description, and may differ from an actual ratio.
図１は、本発明の一実施形態に係る空気電池再生装置又は空気電池システムを模式的に示す断面図である。また、図２は、本発明の一実施形態に係る空気電池再生装置又は空気電池システムを模式的に示す斜視図である。つまり、図１及び図２は、再利用可能な空気電池に適用された空気電池再生装置、又は空気電池再生装置と再利用可能な空気電池とを具備した空気電池システムを示すものである。
FIG. 1 is a cross-sectional view schematically showing an air battery regenerator or an air battery system according to an embodiment of the present invention. FIG. 2 is a perspective view schematically showing an air battery regenerator or an air battery system according to an embodiment of the present invention. That is, FIG. 1 and FIG. 2 show an air battery regeneration device applied to a reusable air battery, or an air battery system including an air battery regeneration device and a reusable air battery.
図１及び図２に示すように、空気電池再生装置１０は、再利用可能な空気電池５０の放電が終了したときに、空気電池５０のスタック構造体５２のセル部５４内に存在するスラッジを除去するスラッジ除去手段１２を備える。また、再利用可能な空気電池５０は、複数のセル部５４から形成されるスタック構造体５２を備え、セル部５４は、１つの負極５４ａに対して２つの正極５４ｂを備えたバイセル構造と呼ばれる構造を有する。
なお、図中の５５は空気流路部を示し、Ｅは残存した電解液を示す。
また、図示しないが、空気電池は、発電の際にスラッジを生成してしまうものであれば、特に限定されるものではなく、従来公知の空気極（正極）、金属極（負極）、電解液などを有する空気電池を適用することができる。
代表的には、金属極（負極）として、マグネシウム極やマグネシウムを含むアルミニウム極を適用し、電解液として塩化ナトリウム水溶液を適用したものを挙げることができる。また、負極は交換可能なものであることが好ましいが、これに限定されるものではない。 As shown in FIGS. 1 and 2, theair battery regenerator 10 removes sludge present in the cell portion 54 of the stack structure 52 of the air battery 50 when the reusable air battery 50 is discharged. Sludge removing means 12 for removing is provided. The reusable air battery 50 includes a stack structure 52 formed of a plurality of cell portions 54, and the cell portion 54 is referred to as a bi-cell structure including two positive electrodes 54b for one negative electrode 54a. It has a structure.
In the figure, 55 indicates the air flow path portion, and E indicates the remaining electrolyte.
In addition, although not shown, the air battery is not particularly limited as long as it generates sludge during power generation, and conventionally known air electrode (positive electrode), metal electrode (negative electrode), electrolyte solution An air battery having the above can be applied.
Typically, as the metal electrode (negative electrode), a magnesium electrode or an aluminum electrode containing magnesium can be used, and a sodium chloride aqueous solution can be used as the electrolytic solution. Moreover, although it is preferable that a negative electrode is replaceable, it is not limited to this.
なお、図中の５５は空気流路部を示し、Ｅは残存した電解液を示す。
また、図示しないが、空気電池は、発電の際にスラッジを生成してしまうものであれば、特に限定されるものではなく、従来公知の空気極（正極）、金属極（負極）、電解液などを有する空気電池を適用することができる。
代表的には、金属極（負極）として、マグネシウム極やマグネシウムを含むアルミニウム極を適用し、電解液として塩化ナトリウム水溶液を適用したものを挙げることができる。また、負極は交換可能なものであることが好ましいが、これに限定されるものではない。 As shown in FIGS. 1 and 2, the
In the figure, 55 indicates the air flow path portion, and E indicates the remaining electrolyte.
In addition, although not shown, the air battery is not particularly limited as long as it generates sludge during power generation, and conventionally known air electrode (positive electrode), metal electrode (negative electrode), electrolyte solution An air battery having the above can be applied.
Typically, as the metal electrode (negative electrode), a magnesium electrode or an aluminum electrode containing magnesium can be used, and a sodium chloride aqueous solution can be used as the electrolytic solution. Moreover, although it is preferable that a negative electrode is replaceable, it is not limited to this.
ここで、本発明において、「再利用可能な空気電池」とは、スラッジを除去し、必要に応じて電解液の供給や負極の交換をすれば、再び所定の出力を得ることができる空気電池を意味する。
Here, in the present invention, the “reusable air battery” means an air battery that can obtain a predetermined output again by removing sludge and supplying the electrolyte or replacing the negative electrode as necessary. Means.
また、本発明において、「空気電池の放電が終了したとき」とは、例えば、空気電池のセル部において、スラッジの堆積や電解液の枯渇、負極の消耗など原因によって、所定の出力が得られなくなったときを意味する。
In the present invention, “when the discharge of the air battery is completed” means that, for example, in the cell portion of the air battery, a predetermined output is obtained due to sludge accumulation, electrolyte depletion, negative electrode consumption, and the like. It means when it is gone.
このような構成とすると、複数のセルによって形成されるスタック構造体を殆ど分解することなく、大量のスラッジを除去することによって、再利用可能な空気電池を再生する空気電池再生装置や、空気電池再生装置と再利用可能な空気電池とを具備した空気電池システムとなる。
With such a configuration, an air battery regenerator or an air battery that regenerates a reusable air battery by removing a large amount of sludge without almost decomposing a stack structure formed by a plurality of cells. The air battery system includes a regenerator and a reusable air battery.
そして、再利用可能な空気電池の放電が終了したときに、スタック構造体を殆ど分解することなく、空気電池のスタック構造体のセル部内に存在する大量のスラッジを除去することにより、空気電池を再生することができ、空気電池を再利用することができる。
Then, when the discharge of the reusable air battery is finished, the air battery is removed by removing a large amount of sludge existing in the cell part of the stack structure of the air battery with almost no decomposition of the stack structure. It can be regenerated and the air battery can be reused.
また、本実施形態においては、スラッジ除去手段１２が、セル部５４の下部に設けられ且つセル部５４を連結する液絡部５６の末端に接続され、液絡部５６を介してスラッジを排出する。
このような構成とすると、スラッジの目詰まりを抑制ないし防止しつつ、スラッジ除去をすることが可能となる。
これは、通常、液絡部５６における液体流れ方向に対して垂直な断面のうち最も断面積が小さい部分（例えば、図中の５６ａで示す最狭部である。）の断面積が、スラッジ除去手段の他の接続位置として考えられるセル供給部８の注液口の断面積よりも大きいためである。
具体的には、注液口の幅は大きくても電極間距離と同等であり、例えば直径は数ｍｍ～５ｍｍ程度である一方、液絡部におけ液体流れ方向に対して垂直な断面のうち最も断面積が小さい部分の断面積は、セル部の下部長さにより決定され、通常は、注液口の幅よりも長く確保される。
なお、本発明においては、このような構成を有することが好適であるが、必須ではない。 Further, in the present embodiment, thesludge removing means 12 is connected to the end of the liquid junction part 56 provided at the lower part of the cell part 54 and connecting the cell part 54, and discharges the sludge via the liquid junction part 56. .
With such a configuration, it becomes possible to remove sludge while suppressing or preventing sludge clogging.
This is because the cross-sectional area of the portion having the smallest cross-sectional area (for example, the narrowest portion indicated by 56a in the drawing) of the cross-section perpendicular to the liquid flow direction in theliquid junction portion 56 is usually sludge removal. It is because it is larger than the cross-sectional area of the liquid injection port of the cell supply part 8 considered as another connection position of a means.
Specifically, even if the width of the liquid injection port is large, it is equivalent to the distance between the electrodes. For example, the diameter is about several mm to 5 mm, and the cross section perpendicular to the liquid flow direction in the liquid junction part. The cross-sectional area of the portion having the smallest cross-sectional area is determined by the lower length of the cell portion, and is usually secured longer than the width of the liquid injection port.
In the present invention, it is preferable to have such a configuration, but it is not essential.
このような構成とすると、スラッジの目詰まりを抑制ないし防止しつつ、スラッジ除去をすることが可能となる。
これは、通常、液絡部５６における液体流れ方向に対して垂直な断面のうち最も断面積が小さい部分（例えば、図中の５６ａで示す最狭部である。）の断面積が、スラッジ除去手段の他の接続位置として考えられるセル供給部８の注液口の断面積よりも大きいためである。
具体的には、注液口の幅は大きくても電極間距離と同等であり、例えば直径は数ｍｍ～５ｍｍ程度である一方、液絡部におけ液体流れ方向に対して垂直な断面のうち最も断面積が小さい部分の断面積は、セル部の下部長さにより決定され、通常は、注液口の幅よりも長く確保される。
なお、本発明においては、このような構成を有することが好適であるが、必須ではない。 Further, in the present embodiment, the
With such a configuration, it becomes possible to remove sludge while suppressing or preventing sludge clogging.
This is because the cross-sectional area of the portion having the smallest cross-sectional area (for example, the narrowest portion indicated by 56a in the drawing) of the cross-section perpendicular to the liquid flow direction in the
Specifically, even if the width of the liquid injection port is large, it is equivalent to the distance between the electrodes. For example, the diameter is about several mm to 5 mm, and the cross section perpendicular to the liquid flow direction in the liquid junction part. The cross-sectional area of the portion having the smallest cross-sectional area is determined by the lower length of the cell portion, and is usually secured longer than the width of the liquid injection port.
In the present invention, it is preferable to have such a configuration, but it is not essential.
更に、本実施形態においては、スラッジ除去手段１２が、フィルタ部１２ａとドレイン部１２ｂとポンプ部１２ｃとを有する。
このような構成とすると、例えば、ポンプ部１２ｃの動作による吸引により、ポンプ部１２ｃとパイプ１２ｄで連結されたフィルタ部１２ａにおいてスラッジを除去でき、ドレイン部１２ｂにおいて液体を除去することができるため、簡易な構成で、スラッジを除去することができる。
なお、本発明においては、このような構成を有することが好適であるが、必須ではない。 Furthermore, in this embodiment, the sludge removal means 12 has thefilter part 12a, the drain part 12b, and the pump part 12c.
With such a configuration, for example, sludge can be removed in thefilter portion 12a connected to the pump portion 12c and the pipe 12d by suction due to the operation of the pump portion 12c, and liquid can be removed in the drain portion 12b. Sludge can be removed with a simple configuration.
In the present invention, it is preferable to have such a configuration, but it is not essential.
このような構成とすると、例えば、ポンプ部１２ｃの動作による吸引により、ポンプ部１２ｃとパイプ１２ｄで連結されたフィルタ部１２ａにおいてスラッジを除去でき、ドレイン部１２ｂにおいて液体を除去することができるため、簡易な構成で、スラッジを除去することができる。
なお、本発明においては、このような構成を有することが好適であるが、必須ではない。 Furthermore, in this embodiment, the sludge removal means 12 has the
With such a configuration, for example, sludge can be removed in the
In the present invention, it is preferable to have such a configuration, but it is not essential.
また、本実施形態においては、再利用可能な空気電池５０の放電が終了したときであって、スラッジ除去手段１２がスラッジの除去を開始する前に、スラッジに液体を供給する液体供給手段１４を備える。更に、本実施形態においては、液体供給手段１４が、液体を液体タンク１４ａから取り込む管構造を有する液体取込部１４ｂと、液体を液体取込部１４ｂから分岐した管構造を有するセル供給部５８に給送するポンプ部１４ｃとを有する。
なお、ポンプ部１４ｃには従来公知のポンプを適用することができる。
また、液体取込部１４ｂには、１４ｄで示すフィルタ部が配設されている。これにより、ポンプ１４ｃへのスラッジの侵入を防止することができる。
更に、液体供給手段１４は、空気電池再生装置１０の一部でなく、空気電池５０の一部であってもよい。
また、液体タンク１４ａや液体取込部１４ｂ、ポンプ部１４ｃについても、空気電池再生装置１０の一部でなく、空気電池５０の一部であってもよい。
一方、セル供給部５８については、空気電池５０の一部でなく、空気電池再生装置１０の一部であってもよい。
このような構成とすると、スラッジに流動性を担保させた状態で除去することとなるので、効率良くスラッジを除去することができる。
なお、本発明においては、このような構成を有することが好適であるが、必須ではない。例えば、液体の供給は、セル供給部側からでなく、液絡部側から行ってもよい。このとき、図示しないが、液絡部側からの液体の供給は、液体供給手段の構成を変更することにより行うことができる。 In the present embodiment, the liquid supply means 14 for supplying liquid to the sludge is provided when the discharge of thereusable air battery 50 is finished and before the sludge removal means 12 starts removing the sludge. Prepare. Furthermore, in this embodiment, the liquid supply means 14 has a liquid intake portion 14b having a tube structure for taking in liquid from the liquid tank 14a, and a cell supply portion 58 having a tube structure in which the liquid is branched from the liquid intake portion 14b. And a pump part 14c for feeding to the machine.
A conventionally known pump can be applied to thepump unit 14c.
In addition, a filter portion indicated by 14d is disposed in theliquid intake portion 14b. Thereby, it is possible to prevent sludge from entering the pump 14c.
Further, the liquid supply means 14 may be a part of theair battery 50 instead of a part of the air battery regenerator 10.
Also, theliquid tank 14a, the liquid intake part 14b, and the pump part 14c may be part of the air battery 50 instead of a part of the air battery regenerator 10.
On the other hand, thecell supply unit 58 may be a part of the air battery regenerator 10 instead of a part of the air battery 50.
With such a configuration, the sludge is removed in a state in which the fluidity is secured, so that the sludge can be efficiently removed.
In the present invention, it is preferable to have such a configuration, but it is not essential. For example, the liquid may be supplied not from the cell supply part side but from the liquid junction part side. At this time, although not shown, the liquid can be supplied from the liquid junction part side by changing the configuration of the liquid supply means.
なお、ポンプ部１４ｃには従来公知のポンプを適用することができる。
また、液体取込部１４ｂには、１４ｄで示すフィルタ部が配設されている。これにより、ポンプ１４ｃへのスラッジの侵入を防止することができる。
更に、液体供給手段１４は、空気電池再生装置１０の一部でなく、空気電池５０の一部であってもよい。
また、液体タンク１４ａや液体取込部１４ｂ、ポンプ部１４ｃについても、空気電池再生装置１０の一部でなく、空気電池５０の一部であってもよい。
一方、セル供給部５８については、空気電池５０の一部でなく、空気電池再生装置１０の一部であってもよい。
このような構成とすると、スラッジに流動性を担保させた状態で除去することとなるので、効率良くスラッジを除去することができる。
なお、本発明においては、このような構成を有することが好適であるが、必須ではない。例えば、液体の供給は、セル供給部側からでなく、液絡部側から行ってもよい。このとき、図示しないが、液絡部側からの液体の供給は、液体供給手段の構成を変更することにより行うことができる。 In the present embodiment, the liquid supply means 14 for supplying liquid to the sludge is provided when the discharge of the
A conventionally known pump can be applied to the
In addition, a filter portion indicated by 14d is disposed in the
Further, the liquid supply means 14 may be a part of the
Also, the
On the other hand, the
With such a configuration, the sludge is removed in a state in which the fluidity is secured, so that the sludge can be efficiently removed.
In the present invention, it is preferable to have such a configuration, but it is not essential. For example, the liquid may be supplied not from the cell supply part side but from the liquid junction part side. At this time, although not shown, the liquid can be supplied from the liquid junction part side by changing the configuration of the liquid supply means.
そして、再利用可能な空気電池の放電が終了したときであって、スラッジの除去を開始する前に、スラッジに液体を供給することにより、スタック構造体を殆ど分解することなく、空気電池のスタック構造体のセル部内に存在する大量のスラッジを効率良く除去することができる。
Then, when the discharge of the reusable air battery is finished and before removing the sludge, the liquid battery is supplied to the sludge so that the stack of the air battery is hardly decomposed. A large amount of sludge existing in the cell portion of the structure can be efficiently removed.
更に、本実施形態においては、フィルタ部１２ａが、着脱可能である。
このような構成とすると、スラッジの除去を繰り返し行うと目詰まりを起こすことがあるフィルタ部を頻繁に交換でき、効率良くスラッジを除去することができる。もちろん、フィルタ部におけるフィルタ自体を交換できるようにしてもよい。
なお、本発明においては、このような構成を有することが好適であるが、必須ではない。 Furthermore, in this embodiment, thefilter part 12a is detachable.
With such a configuration, it is possible to frequently replace a filter portion that may cause clogging when sludge removal is repeated, and to efficiently remove sludge. Of course, you may enable it to replace | exchange the filter itself in a filter part.
In the present invention, it is preferable to have such a configuration, but it is not essential.
このような構成とすると、スラッジの除去を繰り返し行うと目詰まりを起こすことがあるフィルタ部を頻繁に交換でき、効率良くスラッジを除去することができる。もちろん、フィルタ部におけるフィルタ自体を交換できるようにしてもよい。
なお、本発明においては、このような構成を有することが好適であるが、必須ではない。 Furthermore, in this embodiment, the
With such a configuration, it is possible to frequently replace a filter portion that may cause clogging when sludge removal is repeated, and to efficiently remove sludge. Of course, you may enable it to replace | exchange the filter itself in a filter part.
In the present invention, it is preferable to have such a configuration, but it is not essential.
更に、本実施形態においては、スラッジ除去手段１２がスラッジを除去する際に、ポンプ部１２ｃが、スラッジを断続的に吸引する。
このような構成とすることにより、まず、ポンプ部１２ｃが、スラッジを除去するため吸引し、減圧することを繰り返すことによって、スラッジがフィルタ部で漉され、液体がドレイン部に溜まる。断続的に吸引を繰り返すことができるポンプとしては、例えば、ダイヤフラム型ドライ真空ポンプ（具体的には、アズワン社製ダイヤフラム型ドライ真空ポンプＤＡＰ－１５を挙げることができる。）を利用することができる。
なお、本発明においては、このような構成を有することが好適であるが、必須ではない。 Furthermore, in this embodiment, when the sludge removal means 12 removes sludge, thepump part 12c attracts | sucks sludge intermittently.
By adopting such a configuration, first, thepump unit 12c repeatedly sucks and depressurizes the sludge, so that the sludge is trapped by the filter unit and the liquid is accumulated in the drain unit. As a pump capable of intermittently repeating suction, for example, a diaphragm type dry vacuum pump (specifically, a diaphragm type dry vacuum pump DAP-15 manufactured by ASONE Co., Ltd. can be used). .
In the present invention, it is preferable to have such a configuration, but it is not essential.
このような構成とすることにより、まず、ポンプ部１２ｃが、スラッジを除去するため吸引し、減圧することを繰り返すことによって、スラッジがフィルタ部で漉され、液体がドレイン部に溜まる。断続的に吸引を繰り返すことができるポンプとしては、例えば、ダイヤフラム型ドライ真空ポンプ（具体的には、アズワン社製ダイヤフラム型ドライ真空ポンプＤＡＰ－１５を挙げることができる。）を利用することができる。
なお、本発明においては、このような構成を有することが好適であるが、必須ではない。 Furthermore, in this embodiment, when the sludge removal means 12 removes sludge, the
By adopting such a configuration, first, the
In the present invention, it is preferable to have such a configuration, but it is not essential.
そして、スラッジを除去する際に、スラッジを断続的に吸引して、除去することにより、スタック構造体を殆ど分解することなく、空気電池のスタック構造体のセル部内に存在する大量のスラッジを効率良く除去することができる。
When removing the sludge, the sludge is intermittently sucked and removed, so that a large amount of sludge existing in the cell portion of the stack structure of the air battery can be efficiently removed without almost decomposing the stack structure. Can be removed well.
以上、本発明を若干の実施形態によって説明したが、本発明はこれらに限定されるものではなく、本発明の要旨の範囲内で種々の変形が可能である。
As mentioned above, although this invention was demonstrated by some embodiment, this invention is not limited to these, A various deformation | transformation is possible within the range of the summary of this invention.
例えば、上述の実施形態においては、バイセル構造を有する空気電池に適用した場合を図示により説明したが、本発明は、フルセル構造を有する空気電池に対しても適用することができ、図示しないが、このような場合も本発明の範囲に含まれる。
For example, in the above-described embodiment, the case where the present invention is applied to an air battery having a bicell structure has been described with reference to the drawings, but the present invention can also be applied to an air battery having a full cell structure, although not illustrated. Such a case is also included in the scope of the present invention.
１０ 空気電池再生装置
１２ スラッジ除去手段
１２ａ フィルタ部
１２ｂ ドレイン部
１２ｃ ポンプ部
１２ｄ パイプ
１４ 液体供給手段
１４ａ 液体タンク
１４ｂ 液体取込部
１４ｃ ポンプ部
１４ｄ フィルタ部
５０ 空気電池
５２ スタック構造体
５４ セル部
５４ａ 負極（金属極）
５４ｂ 正極（空気極）
５５ 空気流路部
５６ 液絡部
５６ａ 最狭部
５８ セル供給部
Ｅ 電解液 DESCRIPTION OFSYMBOLS 10 Air battery regeneration apparatus 12 Sludge removal means 12a Filter part 12b Drain part 12c Pump part 12d Pipe 14 Liquid supply means 14a Liquid tank 14b Liquid intake part 14c Pump part 14d Filter part 50 Air battery 52 Stack structure 54 Cell part 54a Negative electrode (Metal pole)
54b Positive electrode (air electrode)
55 Airflow path part 56 Liquid junction part 56a Narrowest part 58 Cell supply part E Electrolyte
１２ スラッジ除去手段
１２ａ フィルタ部
１２ｂ ドレイン部
１２ｃ ポンプ部
１２ｄ パイプ
１４ 液体供給手段
１４ａ 液体タンク
１４ｂ 液体取込部
１４ｃ ポンプ部
１４ｄ フィルタ部
５０ 空気電池
５２ スタック構造体
５４ セル部
５４ａ 負極（金属極）
５４ｂ 正極（空気極）
５５ 空気流路部
５６ 液絡部
５６ａ 最狭部
５８ セル供給部
Ｅ 電解液 DESCRIPTION OF
54b Positive electrode (air electrode)
55 Air
Claims (11)
- 再利用可能な空気電池の放電が終了したときに、該空気電池のスタック構造体のセル部内に存在するスラッジを除去するスラッジ除去手段を備えたことを特徴とする空気電池再生装置。 An air battery regenerator comprising sludge removing means for removing sludge present in the cell portion of the stack structure of the air battery when discharge of the reusable air battery is completed.
- 上記スラッジ除去手段が、上記セル部の下部に設けられ且つ上記セル部を連結する液絡部に接続され、上記液絡部を介して上記スラッジを排出することを特徴とする請求項１に記載の空気電池再生装置。 The sludge removing means is connected to a liquid junction that is provided at a lower portion of the cell portion and connects the cell portions, and discharges the sludge through the liquid junction. Air battery regenerator.
- 上記スラッジ除去手段が、フィルタ部とドレイン部とポンプ部とを有することを特徴とする請求項１又は２に記載の空気電池再生装置。 3. The air battery regenerator according to claim 1, wherein the sludge removing means has a filter part, a drain part, and a pump part.
- 再利用可能な空気電池の放電が終了したときであって、上記スラッジ除去手段が上記スラッジの除去を開始する前に、上記スラッジに液体を供給する液体供給手段を備えたことを特徴とする請求項１～３のいずれか１つの項に記載の空気電池再生装置。 The liquid supply means for supplying liquid to the sludge when the discharge of the reusable air battery is finished and before the sludge removal means starts removing the sludge. Item 4. The air battery regenerator according to any one of Items 1 to 3.
- 上記フィルタ部が、着脱可能であることを特徴とする請求項３に記載の空気電池再生装置。 4. The air battery regenerator according to claim 3, wherein the filter section is detachable.
- 上記スラッジ除去手段が上記スラッジを除去する際に、上記ポンプ部が上記スラッジを断続的に吸引することを特徴とする請求項３に記載の空気電池再生装置。 4. The air battery regenerator according to claim 3, wherein when the sludge removing means removes the sludge, the pump section sucks the sludge intermittently.
- 請求項１～６のいずれか１つの項に記載の空気電池再生装置と、再利用可能な空気電池とを具備したことを特徴とする空気電池システム。 An air battery system comprising the air battery regenerator according to any one of claims 1 to 6 and a reusable air battery.
- 再利用可能な空気電池の放電が終了したときに、該空気電池のスタック構造体のセル部内に存在するスラッジを除去することを特徴とする空気電池の再生方法。 A method for regenerating an air battery, comprising: removing sludge present in a cell portion of the stack structure of the air battery when discharge of the reusable air battery is completed.
- 再利用可能な空気電池の放電が終了したときであって、上記スラッジの除去を開始する前に、上記スラッジに液体を供給することを特徴とする請求項８に記載の空気電池の再生方法。 9. The method for regenerating an air battery according to claim 8, wherein the liquid is supplied to the sludge when the discharge of the reusable air battery is finished and before the removal of the sludge is started.
- 上記スラッジを除去する際に、上記スラッジを断続的に吸引することを特徴とする請求項８又は９に記載の空気電池の再生方法。 10. The method for regenerating an air battery according to claim 8, wherein the sludge is intermittently sucked when the sludge is removed.
- 上記スラッジを除去する際に、上記セル部の下部に設けられ且つ上記セル部を連結する液絡部に接続された液絡部を介して上記スラッジを排出することを特徴とする請求項８～１０のいずれか１つの項に記載の空気電池の再生方法。 When removing the sludge, the sludge is discharged through a liquid junction portion provided at a lower portion of the cell portion and connected to a liquid junction portion connecting the cell portions. The method for regenerating an air battery according to any one of 10 items.
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| JP2016509772A JP6256593B2 (en) | 2014-03-27 | 2014-03-27 | Air battery regenerator and air battery system |
| PCT/JP2014/058991 WO2015145690A1 (en) | 2014-03-27 | 2014-03-27 | Air-battery regeneration device, air-battery system, and air-battery regeneration method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11664547B2 (en) | 2016-07-22 | 2023-05-30 | Form Energy, Inc. | Moisture and carbon dioxide management system in electrochemical cells |
| WO2018187561A1 (en) * | 2017-04-06 | 2018-10-11 | Jaramillo Mateo Cristian | Refuelable battery for the electric grid and method of using thereof |
| US11394035B2 (en) | 2017-04-06 | 2022-07-19 | Form Energy, Inc. | Refuelable battery for the electric grid and method of using thereof |
| US11611115B2 (en) | 2017-12-29 | 2023-03-21 | Form Energy, Inc. | Long life sealed alkaline secondary batteries |
| US11973254B2 (en) | 2018-06-29 | 2024-04-30 | Form Energy, Inc. | Aqueous polysulfide-based electrochemical cell |
| US11552290B2 (en) | 2018-07-27 | 2023-01-10 | Form Energy, Inc. | Negative electrodes for electrochemical cells |
| US11949129B2 (en) | 2019-10-04 | 2024-04-02 | Form Energy, Inc. | Refuelable battery for the electric grid and method of using thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6256593B2 (en) | 2018-01-17 |
| JPWO2015145690A1 (en) | 2017-04-13 |
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