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JP2004071339A - Granular anode structure of metal air battery - Google Patents

Granular anode structure of metal air battery Download PDF

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Publication number
JP2004071339A
JP2004071339A JP2002228736A JP2002228736A JP2004071339A JP 2004071339 A JP2004071339 A JP 2004071339A JP 2002228736 A JP2002228736 A JP 2002228736A JP 2002228736 A JP2002228736 A JP 2002228736A JP 2004071339 A JP2004071339 A JP 2004071339A
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JP
Japan
Prior art keywords
zinc
air battery
granular
granules
metal
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Pending
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JP2002228736A
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Japanese (ja)
Inventor
Yung-Jin Lin
林 雍荏
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Individual
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Individual
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Filing date
Publication date
Priority to EP02255221A priority Critical patent/EP1385229A1/en
Priority to CA002396430A priority patent/CA2396430A1/en
Priority claimed from CA002396430A external-priority patent/CA2396430A1/en
Priority to US10/211,518 priority patent/US20040023112A1/en
Application filed by Individual filed Critical Individual
Priority to JP2002228736A priority patent/JP2004071339A/en
Publication of JP2004071339A publication Critical patent/JP2004071339A/en
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    • Y02E60/128

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  • Battery Electrode And Active Subsutance (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To simplify replenishment of a metal air battery with zinc granule by granular anode structure of the battery, and quickly achieve the best battery performance after the zinc granule is replenished in a battery unit. <P>SOLUTION: In the granular anode of the metal air battery in which a cover of the zinc granule is formed, the cover has a circular structure or a similar circular structure, and an electrolyte is housed in the cover, zinc fuel in addition to the electrolyte is housed in the cover of the zinc granule, a small through hole is formed in the cover, and when the zinc granule is not used, since the diameter of the small through hole is very small, the electrolyte does not effuse, and after the zinc granule is fed to an anode groove of the zinc air battery, the surface of the zinc granule causes chemical reaction with the electrolyte in the anode groove, and the zinc granule starts reaction from the through hole part. The zinc fuel has structure of a plurality of circular arc-shaped flakes, radial zinc pieces, or honeycomb zinc pieces. The zinc granule is formed by making two pieces butt and joining them. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は一種の金属空気電池のアノード構造に係り、特に金属空気電池の顆粒状アノード構造に関する。
【0002】
【従来の技術】
電池は自動車、携帯通信設備等に配備の必要なパーツである。応用領域が異なればその最も適用される電池タイプも異なる。各タイプの電池形態にあって、亜鉛空気電池は現在全ての電解液を基礎とする電池システム中でエネルギー密度が最高であり、そのカソード反応は、空気を反応物として使用する。亜鉛と空気中の酸素ガスの反応が酸化亜鉛を生成しエネルギーを放出し、化学エネルギーを電気エネルギーの形式で放出することができる。亜鉛空気電池をもし電動車両に応用できれば、電動車両に相当に大きな電力と耐久性を提供できる。
【0003】
亜鉛空気電池の構造中、燃料の亜鉛金属を板状に形成したものがあり、このタイプの亜鉛空気電池の構造は、亜鉛燃料板、及びカソード板を具え、そのうち亜鉛燃料板はアノードとされ、並びに亜鉛空気電池の燃料とされる。該亜鉛空気電池は空気中の酸素を水素原子の脱極剤とし、空気をカソード板の側面より該亜鉛空気電池構造中に送り込む。該亜鉛燃料板は一般には電解液を充満させた電池容器中に収容される。このタイプの電池はカートリッジ式の亜鉛燃料板及び電解液を交換して再生させることができる。該アノード板及びカソード板は適当な位置よりそれぞれ連接凸片が延伸されてリード線との連接に供される。
【0004】
もう一種の亜鉛空気電池単体形式は、充填した亜鉛顆粒をアノードとする形態であり、その立体構造は図1に示されるようであり、その亜鉛顆粒は亜鉛空気電池単体の燃料とされる。図1はこのようなタイプの典型的な亜鉛空気電池の構造立体図であり、それは、カソード板1、及び該電池単体の溝中に収容された複数の亜鉛顆粒2を具え、そのうち、亜鉛顆粒2はアノードとされ、ナビに亜鉛空気電池の燃料とされる。該亜鉛空気電池10は空気中の酸素を水素原子の脱極剤とし、該空気はカソード板1の側面より該亜鉛空気電池構造中に送り込まれる。該電池単体の上面よりマイナス極連接凸片31、及び、プラス極連接凸片32が延伸されてリード線との連接に供される。このタイプの亜鉛空気電池の作業原理と前述の亜鉛燃料板の作業原理は類似である。該亜鉛顆粒2の反応完了の後、適当に充填すれば、電池単体が継続して必要な電力を供給できる。
【0005】
図2は複数の、図1の電池単体で組成された空気電池セットであり、異なる応用領域(例えば電動車両)に必要な電力を供給する。この構造中、各電池単体は一つの電池セットフレーム4中に組み付けられ、且つ該電池セットフレーム4の底面がトレイ41に結合されて、該トレイ41が亜鉛空気電池が反応過程でえ発生する沈殿物或いは不純物を受ける。
【0006】
この領域にあって、いかに該亜鉛顆粒の構造を設計し、且つ該亜鉛顆粒を迅速に電池単体の溝中に補充して化学反応を行わせるかが、最も重要な課題である。
【0007】
【発明が解決しようとする課題】
ゆえに、本発明の主要な目的は、一種の金属空気電池の顆粒状アノード構造を提供することにあり、すなわち、特殊な亜鉛顆粒構造設計により、電池の亜鉛顆粒補充簡単容易とし、且つ該亜鉛顆粒を電池単体内に補充した後に、亜鉛顆粒を電池単体の溝内で迅速に化学反応させて、最良の電池機能を達成させるようにすることにある。
【0008】
【課題を解決するための手段】
請求項1の考案は、亜鉛顆粒の被覆体を具え、該被覆体が円形構造とされ、その内部に電解液が収容された金属空気電池の顆粒状アノード構造において、該亜鉛顆粒の被覆体内に電解液のほか、亜鉛燃料の材料が収容され、且つ被覆体に少なくとも一つの貫通する小貫通孔が設けられ、該亜鉛顆粒が該亜鉛空気電池のアノード溝に注入された後、亜鉛顆粒の表面が該アノード溝内の電解液と化学反応を発生し、且つ該亜鉛顆粒が該小貫通孔部分より反応開始することを特徴とする、金属空気電池の顆粒状アノード構造としている。
請求項2の考案は、請求項1に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の被覆体に使用される材料が被覆体内に収容される亜鉛燃料の材料と同じとされたことを特徴とする、金属空気電池の顆粒状アノード構造としている。
請求項3の考案は、請求項1に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の被覆体内の亜鉛燃料が、複数の亜鉛薄片を具え、各亜鉛薄片が円弧状を呈し、各亜鉛薄片間に一つの空間が形成されたことを特徴とする、金属空気電池の顆粒状アノード構造としている。
請求項4の考案は、請求項1に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の被覆体内の亜鉛燃料が、複数の輻射状の亜鉛片を具えたことを特徴とする、金属空気電池の顆粒状アノード構造としている。
請求項5の考案は、請求項1に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の被覆体内の亜鉛燃料が、ハニカム状亜鉛片の構造とされたことを特徴とする、金属空気電池の顆粒状アノード構造としている。
請求項6の考案は、亜鉛顆粒の被覆体を具え、該被覆体が円形構造とされ、その内部に電解液が収容された金属空気電池の顆粒状アノード構造において、該被覆体に少なくとも一つの貫通する小貫通孔が設けられ、該亜鉛顆粒が該亜鉛空気電池のアノード溝に注入された後、亜鉛顆粒の表面が該アノード溝内の電解液と化学反応を発生し、且つ該亜鉛顆粒が該小貫通孔部分より反応開始することを特徴とする、金属空気電池の顆粒状アノード構造としている。
請求項7の考案は、請求項6に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の被覆体が二つの片状体を突き合わせて結合させてなり、二つの片状体の側縁の一部が重畳し並びに接合されて一つの顆粒状球体を形成し、並びに該顆粒状球体の上面と底面にそれぞれ貫通孔部が形成されたことを特徴とする、金属空気電池の顆粒状アノード構造としている。
請求項8の考案は、金属空気電池の顆粒状アノード構造において、亜鉛顆粒を具え、該亜鉛顆粒の内部が複数の小孔で充満され、各小孔が電解液を収容し、該亜鉛顆粒が亜鉛空気電池のアノード溝に充填された後、亜鉛顆粒の表面が該アノード溝内の電解液と化学反応を発生し、且つ亜鉛顆粒が該小孔部分より反応開始することを特徴とする、金属空気電池の顆粒状アノード構造としている。
請求項9の考案は、請求項8に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の小孔相互間が連通することを特徴とする、金属空気電池の顆粒状アノード構造としている。
【0009】
【発明の実施の形態】
本発明は、亜鉛顆粒の被覆体を具え、それは、円形構造或いは類似円形の構造とされ、その内部に電解液が収容された金属空気電池の顆粒状アノード構造において、該亜鉛顆粒の被覆体内に電解液のほか、亜鉛燃料の材料が収容され、且つ被覆体に貫通する小貫通孔が設けられ、該亜鉛顆粒未使用時に、この小貫通孔の孔径が非常に小さいことにより、電解液が染みださず、該亜鉛顆粒が該亜鉛空気電池のアノード溝に注入された後、亜鉛顆粒の表面が該アノード溝内の電解液と化学反応を発生し、且つ該亜鉛顆粒が該小貫通孔部分より反応開始し、該亜鉛燃料が複数の片状の円弧形状の亜鉛薄片、輻射状亜鉛片、ハニカム状亜鉛片の構造とされうることを特徴とする。
【0010】
【実施例】
図3は本発明の亜鉛顆粒構造の第1実施例の断面図である。該図に示されるように、該亜鉛顆粒2は、被覆体20を具え、それは円形構造或いは類似円形の構造とされ、その内部に電解液21が収容されている。亜鉛顆粒2には小貫通孔22が開設されている。該亜鉛顆粒を未使用時に、該小貫通孔22の孔径は非常に小さく、且つ内外の圧力差の関係から、電解液は染みださない。亜鉛顆粒が電池単体のアノード溝に充填された後、亜鉛顆粒の表面が該アノード溝内の電解液と化学反応を発生し、且つ該亜鉛顆粒が該小貫通孔22部分より反応開始し、ある程度反応した後、該亜鉛顆粒内部の電解液がすべて放出され、快速に反応し、電力供給の機能を達成する。このような構造設計は、該亜鉛顆粒の該電池単体のアノード溝内での反応を快速とする。
【0011】
図4は本発明の亜鉛顆粒2a構造の第2実施例の断面図である。この図に示されるように、その構造設計は先の実施例とほぼ同じであるが、その違いは該亜鉛顆粒2aの被覆体20内に電解液のほかに、複数の亜鉛薄片23が収容され、各亜鉛薄片23が円弧形状を呈し、その間に空間が形成され得て、その空間が電解液を収容することにある。このタイプの亜鉛顆粒が電池単体のアノード溝に入れられた後、その被覆体20と内部の亜鉛薄片23がいずれも電池の反応燃料とされうる。
【0012】
図5は本発明の亜鉛顆粒2b構造の第3実施例の断面図である。この図に示されるように、その構造設計は図4のものと類似であるが、ただし、亜鉛顆粒2bの被覆体20内に収容される亜鉛燃料材料が、輻射状亜鉛片24の構造とされ、その作用は先の実施例の亜鉛薄片23と同じである。この輻射状亜鉛片24の間に形成される空間が電解液を収容する。
【0013】
図6は本発明の亜鉛顆粒2c構造の第4実施例の断面図である。この図に示されるように、その構造設計は図4のものと類似であるが、ただし、亜鉛顆粒2cの被覆体20内に収容される亜鉛燃料材料が、ハニカム状亜鉛片25の構造とされ、その作用は先の実施例の亜鉛薄片23と同じである。このハニカム状亜鉛片25の間に形成される空間が電解液を収容する。
【0014】
図7は本発明の亜鉛顆粒2d構造の第5実施例の断面図である。この図に示されるように、その構造設計は図6のものと類似であるが、ただし、亜鉛顆粒2dが内部全体に小孔26が配設された実体で組成され、各小孔26間が相互に不連通とされるか、或いは連通するものとされうる。各小孔26内に電解液が収容される。
【0015】
図8は本発明の亜鉛顆粒2e構造の第6実施例の斜視図、図9は本発明の第6実施例の2つの片状体分離時の分解斜視図、図10は図8中のA−A断面図である。この実施例中、亜鉛顆粒2eは2つの片状体27a、27bを突き合わせて結合させてなり、二つの片状体27a、27bの側縁の一部分が重畳し並びに接合されて一つの顆粒状球体が形成され、並びに該顆粒状球体の上面及び底面に貫通孔部28a、28bが形成されている。
【0016】
以上は本発明の実施例の説明であるが、本発明の実施範囲を限定するものではなく、本発明の精神に基づきなしうる細部の修飾或いは改変は、いずれも本発明の請求範囲に属するものとする。
【0017】
【発明の効果】
ゆえに、本発明は、一種の金属空気電池の顆粒状アノード構造を提供し、それは、特殊な亜鉛顆粒構造設計により、電池の亜鉛顆粒補充簡単容易とし、且つ該亜鉛顆粒を電池単体内に補充した後に、亜鉛顆粒を電池単体の溝内で迅速に化学反応させて、最良の電池機能を達成させることができる。
【図面の簡単な説明】
【図1】典型的な従来の亜鉛顆粒を使用した亜鉛空気電池の構造立体図である。
【図2】複数の図1の電池単体で組成された亜鉛空気電池セット表示図である。
【図3】本発明の亜鉛顆粒構造の第1実施例断面図である。
【図4】本発明の亜鉛顆粒構造の第2実施例断面図である。
【図5】本発明の亜鉛顆粒構造の第3実施例断面図である。
【図6】本発明の亜鉛顆粒構造の第4実施例断面図である。
【図7】本発明の亜鉛顆粒構造の第5実施例断面図である。
【図8】本発明の亜鉛顆粒構造の第6実施例の斜視図である。
【図9】本発明の亜鉛顆粒構造の第6実施例の分解斜視図である。
【図10】図8のA−A断面図である。
【符号の説明】
1 カソード板
2 亜鉛顆粒
2a〜2e 亜鉛顆粒
10 亜鉛空気電池
20 被覆体
21 電解液
22 小貫通孔
23 亜鉛薄片
24 輻射状亜鉛片
25 ハニカム状亜鉛片
26 小孔
27a、27b 片状体
28a、28b 貫通孔部
31 マイナス極連接凸片
32 プラス極連接凸片
4 電池セットフレーム
41 トレイ
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a kind of anode structure of a metal-air battery, and more particularly, to a granular anode structure of a metal-air battery.
[0002]
[Prior art]
Batteries are parts that need to be deployed in automobiles, portable communication equipment, and the like. Different application areas have different most applicable battery types. In each type of battery configuration, zinc-air batteries currently have the highest energy density in all electrolyte-based battery systems, and the cathodic reaction uses air as the reactant. The reaction of zinc with oxygen gas in the air produces zinc oxide and releases energy, which can release chemical energy in the form of electrical energy. If a zinc-air battery could be applied to an electric vehicle, it would provide the electric vehicle with significantly greater power and durability.
[0003]
In the structure of a zinc-air battery, there is a structure in which zinc metal as fuel is formed in a plate shape. The structure of this type of zinc-air battery includes a zinc fuel plate and a cathode plate, of which the zinc fuel plate is an anode, As fuel for zinc-air batteries. The zinc-air battery uses oxygen in the air as a depolarizing agent for hydrogen atoms and sends air into the zinc-air battery structure from the side of the cathode plate. The zinc fuel plate is generally housed in a battery container filled with an electrolyte. This type of battery can be regenerated by replacing the cartridge type zinc fuel plate and the electrolyte. The anode plate and the cathode plate have connecting projections extending from appropriate positions, respectively, and are used for connection with lead wires.
[0004]
Another type of the zinc-air battery unit is a form in which the filled zinc granules are used as the anode, and the three-dimensional structure is as shown in FIG. 1, and the zinc granules are used as the fuel of the zinc-air battery unit. FIG. 1 is a structural three-dimensional view of a typical zinc-air battery of this type, which comprises a cathode plate 1 and a plurality of zinc granules 2 housed in grooves of the cell alone, of which zinc granules are included. Reference numeral 2 denotes an anode, which is used as fuel for a zinc-air battery for navigation. The zinc-air battery 10 uses oxygen in the air as a depolarizing agent for hydrogen atoms, and the air is fed into the zinc-air battery structure from the side surface of the cathode plate 1. The negative pole connecting convex piece 31 and the positive pole connecting convex piece 32 are extended from the upper surface of the battery unit and provided for connection with a lead wire. The working principle of this type of zinc-air battery is similar to that of the zinc fuel plate described above. After the reaction of the zinc granules 2 is completed, if the zinc granules 2 are appropriately filled, the battery unit can continuously supply necessary electric power.
[0005]
FIG. 2 shows an air battery set composed of a plurality of the battery cells of FIG. 1, and supplies necessary electric power to different application areas (for example, electric vehicles). In this structure, each battery unit is assembled into one battery set frame 4, and the bottom surface of the battery set frame 4 is connected to the tray 41, and the tray 41 is used to prevent the zinc air battery from generating during the reaction process. Receive substances or impurities.
[0006]
In this area, the most important issue is how to design the structure of the zinc granules and quickly replenish the zinc granules in the grooves of the battery to cause a chemical reaction.
[0007]
[Problems to be solved by the invention]
Therefore, a main object of the present invention is to provide a kind of granular anode structure of a metal-air battery, that is, a special zinc granule structure design makes it easy to refill the zinc granules of the battery, After replenishing in the battery unit, the zinc granules are subjected to a rapid chemical reaction in the groove of the battery unit to achieve the best battery function.
[0008]
[Means for Solving the Problems]
The invention according to claim 1 comprises a zinc granule coating, wherein the coating has a circular structure and a granular anode structure of a metal-air battery in which an electrolyte is contained. In addition to the electrolyte, a zinc fuel material is accommodated, and at least one small through-hole is provided in the cladding, and the zinc granules are injected into the anode groove of the zinc-air battery, and then the surface of the zinc granules is Have a chemical reaction with the electrolytic solution in the anode groove, and the zinc granules start the reaction from the small through-hole portion, thereby forming a granular anode structure of a metal-air battery.
According to a second aspect of the present invention, in the granular anode structure of the metal-air battery according to the first aspect, the material used for the coating of the zinc granules is the same as the material of the zinc fuel contained in the coating. And a granular anode structure of a metal-air battery.
According to a third aspect of the present invention, in the metal-air battery granular anode structure according to the first aspect, the zinc fuel in the zinc granule coating comprises a plurality of zinc flakes, each zinc flake having an arc shape, It has a granular anode structure of a metal-air battery, wherein one space is formed between zinc flakes.
The invention according to claim 4 is characterized in that, in the granular anode structure of the metal-air battery according to claim 1, the zinc fuel in the coating of the zinc granules comprises a plurality of radial zinc pieces. It has a granular anode structure for an air battery.
The invention of claim 5 is characterized in that, in the granular anode structure of the metal-air battery according to claim 1, the zinc fuel in the coating of the zinc granules has a honeycomb-like zinc piece structure. The battery has a granular anode structure.
The invention according to claim 6 comprises a coating of zinc granules, wherein the coating has a circular structure and a granular anode structure of a metal-air battery containing an electrolyte therein, wherein the coating has at least one coating. A small through hole is provided to penetrate, and after the zinc granules are injected into the anode groove of the zinc-air battery, the surface of the zinc granules undergoes a chemical reaction with the electrolyte solution in the anode grooves, and the zinc granules are A granular anode structure of a metal-air battery characterized in that a reaction is started from the small through-hole portion.
According to a seventh aspect of the present invention, there is provided the granular anode structure of the metal-air battery according to the sixth aspect, wherein the coating of the zinc granules is formed by joining two pieces together, and forming a side edge of the two pieces. Are partially overlapped and joined to form one granular sphere, and through-holes are formed in the top and bottom surfaces of the granular sphere, respectively. It has a structure.
The invention according to claim 8 is a granular anode structure of a metal-air battery, comprising zinc granules, wherein the inside of the zinc granules is filled with a plurality of pores, each pore containing an electrolyte, and After filling the anode groove of the zinc-air battery, the surface of the zinc granule undergoes a chemical reaction with the electrolytic solution in the anode groove, and the zinc granule starts reacting from the small pore portion, It has a granular anode structure for an air battery.
According to a ninth aspect of the present invention, there is provided a granular anode structure of a metal-air battery according to the eighth aspect, wherein the pores of the zinc granules communicate with each other.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
The present invention comprises a zinc granule coating, which has a circular structure or a similar circular structure, and has a granular anode structure of a metal-air battery in which an electrolytic solution is contained, in which the zinc granule coating is formed. In addition to the electrolyte, a zinc fuel material is accommodated and a small through-hole is provided to penetrate the cladding. When the zinc granules are not used, the pore diameter of the small through-hole is extremely small, so that the electrolyte permeates. However, after the zinc granules are injected into the anode groove of the zinc-air battery, the surface of the zinc granules undergoes a chemical reaction with the electrolytic solution in the anode grooves, and the zinc granules are formed in the small through-hole portions. The reaction is started more, and the zinc fuel is characterized in that it can have a structure of a plurality of flaky arc-shaped zinc flakes, radiant zinc flakes, and honeycomb-shaped zinc flakes.
[0010]
【Example】
FIG. 3 is a sectional view of a first embodiment of the zinc granule structure of the present invention. As shown in the figure, the zinc granule 2 includes a coating 20 having a circular structure or a similar circular structure, in which an electrolyte 21 is accommodated. The zinc granules 2 are provided with small through holes 22. When the zinc granules are not used, the diameter of the small through-holes 22 is very small, and the electrolyte does not seep out due to the pressure difference between the inside and the outside. After the zinc granules are filled in the anode groove of the battery unit, the surface of the zinc granules undergoes a chemical reaction with the electrolytic solution in the anode grooves, and the zinc granules start reacting from the small through-holes 22 portion. After the reaction, all of the electrolytic solution inside the zinc granules is released, reacting quickly, and achieving the function of power supply. Such a structural design makes the reaction of the zinc granules in the anode groove of the battery unit fast.
[0011]
FIG. 4 is a sectional view of a second embodiment of the zinc granule 2a structure of the present invention. As shown in this figure, the structural design is almost the same as the previous embodiment, except that a plurality of zinc flakes 23 are accommodated in the coating 20 of the zinc granules 2a in addition to the electrolyte. Each of the zinc flakes 23 has an arc shape, and a space may be formed between the zinc flakes 23, and the space accommodates the electrolyte. After zinc granules of this type are placed in the anode groove of the cell alone, both the coating 20 and the zinc flakes 23 inside can be used as the reaction fuel for the cell.
[0012]
FIG. 5 is a sectional view of a third embodiment of the zinc granule 2b structure of the present invention. As shown in this figure, the structural design is similar to that of FIG. 4, except that the zinc fuel material contained in the coating body 20 of the zinc granules 2b has the structure of the radial zinc pieces 24. The operation is the same as that of the zinc flake 23 of the previous embodiment. The space formed between the radial zinc pieces 24 accommodates the electrolytic solution.
[0013]
FIG. 6 is a sectional view of a fourth embodiment of the zinc granule 2c structure of the present invention. As shown in this figure, the structural design is similar to that of FIG. 4, except that the zinc fuel material contained in the coating body 20 of the zinc granules 2c has the structure of the honeycomb-shaped zinc pieces 25. The operation is the same as that of the zinc flake 23 of the previous embodiment. The space formed between the honeycomb-shaped zinc pieces 25 accommodates the electrolytic solution.
[0014]
FIG. 7 is a sectional view of a fifth embodiment of the zinc granule 2d structure of the present invention. As shown in this figure, the structural design is similar to that of FIG. 6, except that zinc granules 2d are composed of an entity in which small holes 26 are arranged throughout the inside, and the space between each small hole 26 is formed. They may be disconnected from each other or may be in communication. An electrolyte is accommodated in each small hole 26.
[0015]
FIG. 8 is a perspective view of a sixth embodiment of the zinc granule 2e structure of the present invention, FIG. 9 is an exploded perspective view of the sixth embodiment of the present invention when two pieces are separated, and FIG. 10 is A in FIG. It is -A sectional drawing. In this embodiment, the zinc granules 2e are formed by joining two pieces 27a and 27b abutting each other, and a part of the side edges of the two pieces 27a and 27b are overlapped and joined to form one granular sphere. Are formed, and through holes 28a and 28b are formed on the top and bottom surfaces of the granular sphere.
[0016]
The above is the description of the embodiments of the present invention. However, the present invention is not limited to the embodiments of the present invention, and any modification or alteration of details that can be made based on the spirit of the present invention belongs to the scope of the present invention. And
[0017]
【The invention's effect】
Therefore, the present invention provides a kind of granular anode structure of a metal-air battery, which has a special zinc granule structure design, which facilitates the replenishment of the zinc granules of the battery, and replenishes the zinc granules in the battery unit. Later, the zinc granules can undergo a rapid chemical reaction in the grooves of the cell alone to achieve the best cell function.
[Brief description of the drawings]
FIG. 1 is a structural perspective view of a zinc-air battery using a typical conventional zinc granule.
FIG. 2 is a schematic diagram showing a zinc-air battery set composed of a plurality of batteries of FIG. 1;
FIG. 3 is a sectional view of a first embodiment of the zinc granule structure of the present invention.
FIG. 4 is a sectional view of a second embodiment of the zinc granule structure of the present invention.
FIG. 5 is a sectional view of a third embodiment of the zinc granule structure of the present invention.
FIG. 6 is a sectional view of a fourth embodiment of the zinc granule structure of the present invention.
FIG. 7 is a sectional view of a fifth embodiment of the zinc granule structure of the present invention.
FIG. 8 is a perspective view of a sixth embodiment of the zinc granule structure of the present invention.
FIG. 9 is an exploded perspective view of a sixth embodiment of the zinc granule structure of the present invention.
FIG. 10 is a sectional view taken along line AA of FIG. 8;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Cathode plate 2 Zinc granules 2a-2e Zinc granules 10 Zinc air battery 20 Coating body 21 Electrolyte solution 22 Small through-holes 23 Zinc thin pieces 24 Radiant zinc pieces 25 Honeycomb zinc pieces 26 Small holes 27a, 27b Strips 28a, 28b Through hole 31 Negative pole connecting convex piece 32 Positive pole connecting convex piece 4 Battery set frame 41 Tray

Claims (9)

亜鉛顆粒の被覆体を具え、該被覆体が円形構造とされ、その内部に電解液が収容された金属空気電池の顆粒状アノード構造において、該亜鉛顆粒の被覆体内に電解液のほか、亜鉛燃料の材料が収容され、且つ被覆体に少なくとも一つの貫通する小貫通孔が設けられ、該亜鉛顆粒が該亜鉛空気電池のアノード溝に注入された後、亜鉛顆粒の表面が該アノード溝内の電解液と化学反応を発生し、且つ該亜鉛顆粒が該小貫通孔部分より反応開始することを特徴とする、金属空気電池の顆粒状アノード構造。In a granular anode structure of a metal-air battery in which a zinc granule coating body is provided, the coating body having a circular structure, and an electrolyte solution is accommodated therein, in addition to the electrolyte solution, a zinc fuel After the zinc granules are injected into the anode groove of the zinc-air battery, the surface of the zinc granules is filled with the electrolytic solution in the anode groove. A granular anode structure for a metal-air battery, wherein a chemical reaction occurs with a liquid, and the zinc granules start reacting from the small through-hole portion. 請求項1に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の被覆体に使用される材料が被覆体内に収容される亜鉛燃料の材料と同じとされたことを特徴とする、金属空気電池の顆粒状アノード構造。2. The granular anode structure of a metal-air battery according to claim 1, wherein the material used for the coating of the zinc granules is the same as the material of the zinc fuel contained in the coating. Granular anode structure for batteries. 請求項1に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の被覆体内の亜鉛燃料が、複数の亜鉛薄片を具え、各亜鉛薄片が円弧状を呈し、各亜鉛薄片間に一つの空間が形成されたことを特徴とする、金属空気電池の顆粒状アノード構造。2. The granular anode structure of a metal-air battery according to claim 1, wherein the zinc fuel in the coating of the zinc granules comprises a plurality of zinc flakes, each zinc flake having an arc shape, and one space between each zinc flake. A granular anode structure for a metal-air battery, characterized in that: 請求項1に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の被覆体内の亜鉛燃料が、複数の輻射状の亜鉛片を具えたことを特徴とする、金属空気電池の顆粒状アノード構造。The granular anode structure of a metal-air battery according to claim 1, wherein the zinc fuel in the coating of the zinc granules comprises a plurality of radial zinc pieces. . 請求項1に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の被覆体内の亜鉛燃料が、ハニカム状亜鉛片の構造とされたことを特徴とする、金属空気電池の顆粒状アノード構造。The granular anode structure of a metal-air battery according to claim 1, wherein the zinc fuel in the coating of the zinc granules has a honeycomb-like zinc piece structure. 亜鉛顆粒の被覆体を具え、該被覆体が円形構造とされ、その内部に電解液が収容された金属空気電池の顆粒状アノード構造において、該被覆体に少なくとも一つの貫通する小貫通孔が設けられ、該亜鉛顆粒が該亜鉛空気電池のアノード溝に注入された後、亜鉛顆粒の表面が該アノード溝内の電解液と化学反応を発生し、且つ該亜鉛顆粒が該小貫通孔部分より反応開始することを特徴とする、金属空気電池の顆粒状アノード構造。In a granular anode structure of a metal-air battery having a zinc granule coating body, the coating body having a circular structure, and an electrolyte contained therein, at least one small through hole is provided in the coating body. After the zinc granules are injected into the anode groove of the zinc-air battery, the surface of the zinc granules undergoes a chemical reaction with the electrolyte in the anode grooves, and the zinc granules react from the small through-hole portion. A granular anode structure for a metal-air battery, characterized by starting. 請求項6に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の被覆体が二つの片状体を突き合わせて結合させてなり、二つの片状体の側縁の一部が重畳し並びに接合されて一つの顆粒状球体を形成し、並びに該顆粒状球体の上面と底面にそれぞれ貫通孔部が形成されたことを特徴とする、金属空気電池の顆粒状アノード構造。The granular anode structure of a metal-air battery according to claim 6, wherein the coating of zinc granules is formed by joining two pieces together, and a part of the side edges of the two pieces overlap and A granular anode structure for a metal-air battery, wherein said granular sphere is joined to form one granular sphere, and through-holes are respectively formed on an upper surface and a bottom surface of said granular sphere. 金属空気電池の顆粒状アノード構造において、亜鉛顆粒を具え、該亜鉛顆粒の内部が複数の小孔で充満され、各小孔が電解液を収容し、該亜鉛顆粒が亜鉛空気電池のアノード溝に充填された後、亜鉛顆粒の表面が該アノード溝内の電解液と化学反応を発生し、且つ亜鉛顆粒が該小孔部分より反応開始することを特徴とする、金属空気電池の顆粒状アノード構造。In a granular anode structure of a metal-air battery, zinc granules are provided, and the inside of the zinc granules is filled with a plurality of pores, each pore contains an electrolyte, and the zinc granules are placed in an anode groove of the zinc-air battery. After filling, the surface of the zinc granules undergoes a chemical reaction with the electrolyte solution in the anode groove, and the zinc granules start reacting from the small pores. . 請求項8に記載の金属空気電池の顆粒状アノード構造において、亜鉛顆粒の小孔相互間が連通することを特徴とする、金属空気電池の顆粒状アノード構造。The granular anode structure of a metal-air battery according to claim 8, wherein the pores of the zinc granules communicate with each other.
JP2002228736A 2002-07-26 2002-08-06 Granular anode structure of metal air battery Pending JP2004071339A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP02255221A EP1385229A1 (en) 2002-07-26 2002-07-26 Granular anode for metal-air fuel cell battery
CA002396430A CA2396430A1 (en) 2002-07-26 2002-08-01 Granular anode for metal-air fuel cell battery
US10/211,518 US20040023112A1 (en) 2002-07-26 2002-08-05 Granular anode for metal-air fuel cell battery
JP2002228736A JP2004071339A (en) 2002-08-01 2002-08-06 Granular anode structure of metal air battery

Applications Claiming Priority (3)

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CA002396430A CA2396430A1 (en) 2002-07-26 2002-08-01 Granular anode for metal-air fuel cell battery
US10/211,518 US20040023112A1 (en) 2002-07-26 2002-08-05 Granular anode for metal-air fuel cell battery
JP2002228736A JP2004071339A (en) 2002-08-01 2002-08-06 Granular anode structure of metal air battery

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008061410A1 (en) * 2006-11-23 2008-05-29 Ichuan Lin A powder fuel cell
JP2009158356A (en) * 2007-12-27 2009-07-16 Tokai Carbon Co Ltd Composite carbon material for negative electrode material of lithium secondary battery and method for producing the same
WO2014126204A1 (en) * 2013-02-15 2014-08-21 エイディシーテクノロジー株式会社 Air battery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008061410A1 (en) * 2006-11-23 2008-05-29 Ichuan Lin A powder fuel cell
JP2009158356A (en) * 2007-12-27 2009-07-16 Tokai Carbon Co Ltd Composite carbon material for negative electrode material of lithium secondary battery and method for producing the same
WO2014126204A1 (en) * 2013-02-15 2014-08-21 エイディシーテクノロジー株式会社 Air battery

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