JPH11209887A - Water electrolysis gas generator - Google Patents
Water electrolysis gas generatorInfo
- Publication number
- JPH11209887A JPH11209887A JP10026466A JP2646698A JPH11209887A JP H11209887 A JPH11209887 A JP H11209887A JP 10026466 A JP10026466 A JP 10026466A JP 2646698 A JP2646698 A JP 2646698A JP H11209887 A JPH11209887 A JP H11209887A
- Authority
- JP
- Japan
- Prior art keywords
- exchange membrane
- contact
- electrode plate
- gas
- ion exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
(57)【要約】
【課題】 イオン交換膜を用いて水を電気分解し、ガス
を発生させる装置において、イオン交換膜と電極板との
接触の良否は接触抵抗の大小となって現れ、熱損失が生
じる。本発明は全面にわたって接触させるようにして電
気抵抗を下げ、抵抗損失を極力小さくする。
【解決手段】 イオン交換膜と電極板との間に炭素繊維
やニッケルウール等で構成される織物・マットをその表
面に金のスパッタリングを施し、電気良導体とした密着
接触材を挟み、全面にわたって密着接触させ、電気抵抗
を小さくし、効率よいガス発生を可能とする。
(57) [Summary] [PROBLEMS] In an apparatus for electrolyzing water using an ion-exchange membrane to generate a gas, the quality of contact between the ion-exchange membrane and the electrode plate appears as the magnitude of the contact resistance, and the heat Loss occurs. According to the present invention, the electrical resistance is reduced by making the entire surface contact, and the resistance loss is minimized. SOLUTION: A cloth / mat made of carbon fiber, nickel wool, or the like is subjected to gold sputtering between an ion exchange membrane and an electrode plate, and an adhesive contact material serving as an electric conductor is sandwiched between the ion exchange membrane and the electrode plate. It makes contact, reduces electrical resistance, and enables efficient gas generation.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、イオン交換膜を用
いて水を電気分解し、酸素ガス、水素ガス或いはオゾン
ガス、水素ガスを発生させる水電解ガス発生装置に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water electrolysis gas generator for electrolyzing water using an ion exchange membrane to generate oxygen gas, hydrogen gas, ozone gas, or hydrogen gas.
【０００２】[0002]
【従来の技術】イオン交換膜と電極板との接触の良否
は、接触抵抗の大小となって現れ、電気分解のために多
量の電流を流すので、その接触抵抗に応じた熱損失が生
じる。従来は、電極板を背面から押してイオン交換膜に
押しつける方法がとられていた。2. Description of the Related Art The quality of contact between an ion exchange membrane and an electrode plate depends on the magnitude of the contact resistance, and a large amount of current flows for electrolysis, so that a heat loss corresponding to the contact resistance occurs. Conventionally, a method has been adopted in which an electrode plate is pushed from the back and pressed against an ion exchange membrane.
【０００３】電極板を押すために部分的に電極と接して
力を与える円柱状の押し材とかジグザグに屈曲した押し
金具材とかによっていたが、これだと電極板とイオン交
換膜が全面にわたって密着させることは困難である。[0003] In order to press the electrode plate, a column-shaped pressing member or a zig-zag bent pressing metal member which partially applies a force in contact with the electrode has been used. It is difficult to do that.
【０００４】[0004]
【発明が解決しようとする課題】これは以下に述べるよ
うな問題があった。イオン交換膜を用いた水電解の槽電
圧をＶt（Ｖ）とすると、Ｖt（Ｖ）はThis has the following problems. Assuming that the cell voltage of water electrolysis using an ion exchange membrane is V t (V), V t (V) is
【数１】 になる。(Equation 1) become.
【０００５】[0005]
【数１】(Equation 1)
【０００６】このときの消費電力は、 Ｖt・Ｉで電解に
よって得られるガス量は電流（Ｉ）のみに依存するの
で、 できるだけ槽電圧（Ｖt）を下げた方が消費電力が
少なくなり、エネルギー効率がよいことになる。The power consumption at this time is as follows. Since the gas amount obtained by electrolysis at V t · I depends only on the current (I), lowering the cell voltage (V t ) as much as possible results in lower power consumption. It is energy efficient.
【０００７】一般にカソード及びアノードに白金を用い
ると、過電圧は約２Ｖ（100A/dm2）となる。そして、
槽電圧（Ｖt）は約３Ｖ程度でその差約１Ｖは接触抵抗
及び導体抵抗による電圧降下でそれによる損失は約１０
０Ｗとなる。導体抵抗（ＲL）は限りなく零に近づける
ことはできるが、接触抵抗（ＲC）は従来の方法では下
げることができなかった。Generally, when platinum is used for the cathode and the anode, the overvoltage is about 2 V (100 A / dm 2 ). And
The cell voltage (V t ) is about 3 V, and the difference of about 1 V is a voltage drop due to the contact resistance and the conductor resistance, and the loss caused by the drop is about 10 V.
0W. The conductor resistance (R L ) can approach zero as much as possible, but the contact resistance (R C ) cannot be reduced by the conventional method.
【０００８】本発明の発明者らは、先にイオン交換膜を
挟んでその両側に箱状隔壁を設け、該隔壁の内側を凹凸
状に形成し、該凹凸面に金属被膜処理を施すことによ
り、電極の表面積を拡大し、電気抵抗を下げることがで
きるので、電極間の電圧を下げ、電気分解の電解効率を
向上することができる酸素・水素電解ガス発生装置を提
案した（特願平7-307627号公報及びUS Patent 5667647
参照）。本発明は、イオン交換膜と電極間に密着接触材
を用い、全面にわたって接触させるようにして電気抵抗
を下げ、抵抗損失を極力小さくし、より効率を高めた酸
素ガス、水素ガス或いはオゾンガス、水素ガスを発生さ
せる水電解ガス発生装置を解決することを目的としたも
のである。The inventors of the present invention provide a box-shaped partition on both sides of an ion-exchange membrane, form the inside of the partition in an uneven shape, and apply a metal coating to the uneven surface. Proposed an oxygen / hydrogen electrolysis gas generator that can increase the surface area of the electrodes and reduce the electrical resistance, thereby lowering the voltage between the electrodes and improving the electrolysis efficiency of electrolysis (Japanese Patent Application No. Hei 7 (1994)). -307627 and US Patent 5667647
reference). The present invention uses an intimate contact material between an ion exchange membrane and an electrode, reduces the electrical resistance by making contact over the entire surface, reduces the resistance loss as much as possible, and increases the efficiency of oxygen gas, hydrogen gas or ozone gas, hydrogen It is an object of the present invention to solve a water electrolysis gas generator for generating gas.
【０００９】[0009]
【課題を解決するための手段】上記問題点を解決するた
めに、イオン交換膜３と電極板２との間に炭素繊維やニ
ッケルウール等で構成される織物・マットをその繊維表
面に金のスパッタリングを施し、電気良導体とした密着
接触材４を挟み、イオン交換膜３面と電極板２との間を
全面にわたって密着接触させ、電気抵抗を小さくし、効
率よいガス発生を可能とするイオン交換膜３と電極板２
間に密着接触材４を用いた水電解ガス発生装置を提供す
るものである。In order to solve the above-mentioned problems, a fabric or mat made of carbon fiber, nickel wool, or the like is provided between the ion exchange membrane 3 and the electrode plate 2 on the surface of the fiber. Sputtering is performed, and the contact contact material 4 which is an electric conductor is sandwiched, and the entire surface between the surface of the ion exchange membrane 3 and the electrode plate 2 is brought into close contact with each other to reduce electric resistance and enable efficient gas generation. Membrane 3 and electrode plate 2
It is intended to provide a water electrolysis gas generator using a close contact material 4 therebetween.
【００１０】[0010]
【発明の実施の形態】イオン交換膜３と電極板２の接触
において、面と面で接触していると電気分解でガスが発
生する際にその接触はガスによって遮断される。一方、
多孔板でできている電極板の孔からガスが抜け出ると、
また、電極板２とイオン交換膜３とが接触し、通電さ
れ、電気分解が再開され、微細なパターンが無数に分布
してガスが発生している。従って、一見全面が接触して
いるように見えるが、部分接触が現実である。BEST MODE FOR CARRYING OUT THE INVENTION In the contact between an ion exchange membrane 3 and an electrode plate 2, if they are in surface-to-surface contact, when gas is generated by electrolysis, the contact is interrupted by the gas. on the other hand,
When gas escapes from the hole of the electrode plate made of perforated plate,
In addition, the electrode plate 2 and the ion exchange membrane 3 come into contact with each other, electricity is supplied, electrolysis is restarted, and gas is generated with countless fine patterns distributed. Thus, at first glance, the entire surface appears to be in contact, but partial contact is a reality.
【００１１】本発明の発明者らは、この点に着目し、イ
オン交換膜３と電極板２との間に繊維状或いはマット状
の電気良導体を入れれば、発生するガスは繊維間を容易
に抜けることができるので、従って、繊維状の電気良導
体とイオン交換膜３の電気接触はガス発生によって遮断
される恐れがなく、常に一定の接触状態を保つことが可
能となり、その接触面も実質拡大すると考えた。The inventors of the present invention pay attention to this point, and if a fibrous or mat-like electric conductor is inserted between the ion exchange membrane 3 and the electrode plate 2, the generated gas can easily pass between the fibers. Therefore, the electrical contact between the fibrous electric conductor and the ion exchange membrane 3 is not likely to be interrupted by gas generation, and a constant contact state can be maintained at all times, and the contact surface is substantially enlarged. I thought.
【００１２】そこで、密着接触材４として、繊維として
炭素繊維で太さ数ミクロンのものを用い、これを複数本
束ねた細い平帯状のもので、平織りに仕上げ布状に織り
あげたものを用いた。その表面及び裏面に金スパッタリ
ングを施し、イオン交換膜との接触を良好にし、また、
電極板２との接触をも良好にするためである。Therefore, as the contacting contact material 4, a carbon fiber having a thickness of several microns is used as the fiber, and a thin flat band formed by bundling a plurality of the fibers is used. Was. Gold sputtering is applied to the front and back surfaces to make good contact with the ion exchange membrane,
This is for improving the contact with the electrode plate 2.
【００１３】電極板２は従来通り、ジグザグに屈曲した
押し金具材でイオン交換膜３に対し、この密着接触材４
を押しつけるようにして、密着接触材４を挟んで電極板
２とイオン交換膜３が電気的に接触するように工夫し
た。The electrode plate 2 is made of a pressing member bent in a zigzag manner to the ion-exchange membrane 3 as in the prior art.
Was pressed so that the electrode plate 2 and the ion-exchange membrane 3 were in electrical contact with the close contact material 4 interposed therebetween.
【００１４】[0014]
【発明の効果】この結果、電解電流１００Ａ／ｄｍ2の
ときの槽電圧（Ｖt）は２．５（Ｖ）となり、この電圧
から過電圧成分の２（Ｖ）を差し引くと２．５（Ｖ）−
２（Ｖ）＝０．５（Ｖ）となり、０．５（Ｖ）×１００
（Ａ）＝５０（Ｗ）が接触抵抗分による損失である。従
って、従来の方法では約１００Ｗが電力損失として消費
されていたのが、本発明の方法を用いることにより５０
（Ｗ）になり、エネルギー効果が約１７％向上する効果
を得た。As a result, when the electrolytic current is 100 A / dm 2 , the cell voltage (V t ) becomes 2.5 (V), and when this voltage is subtracted from the overvoltage component 2 (V), it becomes 2.5 (V). )-
2 (V) = 0.5 (V), and 0.5 (V) × 100
(A) = 50 (W) is the loss due to the contact resistance. Therefore, about 100 W was consumed as a power loss in the conventional method, but by using the method of the present invention, about 50 W was consumed.
(W), and an effect of improving the energy effect by about 17% was obtained.
【図１】本発明の水電解ガス発生装置の電解セルを示す
概観図。FIG. 1 is a schematic view showing an electrolysis cell of a water electrolysis gas generator of the present invention.
【図２】先願発明の酸素・水素電解ガス発生装置の単体
ユニットを示す概観図で、（ａ）は分解斜視図、（ｂ）
は組立図。FIGS. 2A and 2B are schematic views showing a single unit of the oxygen / hydrogen electrolysis gas generator of the prior application, wherein FIG. 2A is an exploded perspective view and FIG.
Is an assembly drawing.
１ 水電解ガス発生装置 ２ 電極板 ３ イオン交換膜 ４ 密着接触材 ５ 箱状隔壁 ６ 金属被覆面 ７ 棧 ８ 切り欠き部 ９ ガス放出口 ９ａ 酸素ガス放出口 ９ｂ 水素ガス放出口 １０ 電極 １１ 酸素ガス室 １２ 水素ガス室 DESCRIPTION OF SYMBOLS 1 Water electrolysis gas generator 2 Electrode plate 3 Ion exchange membrane 4 Adhesive contact material 5 Box-shaped partition wall 6 Metal coating surface 7 Joint 8 Notch 9 Gas discharge port 9a Oxygen gas discharge port 9b Hydrogen gas discharge port 10 Electrode 11 Oxygen gas Room 12 Hydrogen gas room
───────────────────────────────────────────────────── フロントページの続き (72)発明者 須賀 冨士夫 東京都新宿区新宿５丁目４番14号 スガ試 験機株式会社内 (72)発明者 渡辺 洋二 東京都新宿区新宿５丁目４番14号 スガ試 験機株式会社内 (72)発明者 谷口 皓一 東京都新宿区新宿５丁目４番14号 スガ試 験機株式会社内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Fujio Suga 5-4-1-14 Shinjuku, Shinjuku-ku, Tokyo Inside Suga Test Machine Co., Ltd. (72) Inventor Yoji Watanabe 5-4-1-14 Shinjuku, Shinjuku-ku, Tokyo Inside Suga Test Machine Co., Ltd. (72) Inventor Koichi Taniguchi Inside Suga Test Machine Co., Ltd. 5-4-1-14 Shinjuku, Shinjuku-ku, Tokyo
Claims (1)
し、ガスを発生させる装置において、イオン交換膜３と
電極板２との間に炭素繊維やニッケルウール等で構成さ
れる織物・マットをその繊維表面に金のスパッタリング
を施し、電気良導体とした密着接触材４を挟み、イオン
交換膜３面と電極板２との間を全面にわたって密着接触
させ、電気抵抗を小さくし、効率よいガス発生を可能と
するイオン交換膜３と電極板２間に密着接触材４を用い
たことを特徴とする水電解ガス発生装置。1. An apparatus for electrolyzing water using an ion exchange membrane 3 to generate a gas, wherein a fabric or mat made of carbon fiber, nickel wool, or the like is provided between the ion exchange membrane 3 and an electrode plate 2. The surface of the fiber is sputtered with gold, and the contact material 4 which is an electric conductor is sandwiched between the surfaces, and the entire surface between the surface of the ion exchange membrane 3 and the electrode plate 2 is brought into close contact with each other, thereby reducing the electric resistance and increasing the efficiency of the gas. A water electrolysis gas generator characterized in that a close contact material 4 is used between an ion exchange membrane 3 and an electrode plate 2 capable of generating a gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10026466A JPH11209887A (en) | 1998-01-23 | 1998-01-23 | Water electrolysis gas generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10026466A JPH11209887A (en) | 1998-01-23 | 1998-01-23 | Water electrolysis gas generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11209887A true JPH11209887A (en) | 1999-08-03 |
Family
ID=12194304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10026466A Pending JPH11209887A (en) | 1998-01-23 | 1998-01-23 | Water electrolysis gas generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11209887A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1649080A4 (en) * | 2003-06-25 | 2007-02-21 | Rtor Inc | An apparatus for producing ozone by electrolysis |
| EP1833156A3 (en) * | 2006-03-09 | 2014-04-16 | Seiren Co., Ltd. | Complex material |
| US8882972B2 (en) | 2011-07-19 | 2014-11-11 | Ecolab Usa Inc | Support of ion exchange membranes |
| WO2015020121A1 (en) * | 2013-08-08 | 2015-02-12 | 独立行政法人日本原子力研究開発機構 | Metal ion recovery device and metal ion recovery method |
| WO2022057269A1 (en) * | 2020-09-15 | 2022-03-24 | 青岛海尔洗衣机有限公司 | Electrolytic cell and ozone water dispersing device |
| JP2023151227A (en) * | 2022-03-31 | 2023-10-16 | Ｊｆｅ建材株式会社 | civil engineering structures |
-
1998
- 1998-01-23 JP JP10026466A patent/JPH11209887A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1649080A4 (en) * | 2003-06-25 | 2007-02-21 | Rtor Inc | An apparatus for producing ozone by electrolysis |
| EP1833156A3 (en) * | 2006-03-09 | 2014-04-16 | Seiren Co., Ltd. | Complex material |
| US8882972B2 (en) | 2011-07-19 | 2014-11-11 | Ecolab Usa Inc | Support of ion exchange membranes |
| WO2015020121A1 (en) * | 2013-08-08 | 2015-02-12 | 独立行政法人日本原子力研究開発機構 | Metal ion recovery device and metal ion recovery method |
| JP2015034315A (en) * | 2013-08-08 | 2015-02-19 | 独立行政法人日本原子力研究開発機構 | Metal ion recovery device, metal ion recovery method |
| KR20160040572A (en) * | 2013-08-08 | 2016-04-14 | 고쿠리츠겐큐가이하츠호징 니혼겐시료쿠겐큐가이하츠기코 | Metal ion recovery device and metal ion recovery method |
| US9932653B2 (en) | 2013-08-08 | 2018-04-03 | National Institutes For Quantum And Radiological Science And Technology | Metal ion recovery device and metal ion recovery method |
| WO2022057269A1 (en) * | 2020-09-15 | 2022-03-24 | 青岛海尔洗衣机有限公司 | Electrolytic cell and ozone water dispersing device |
| JP2023151227A (en) * | 2022-03-31 | 2023-10-16 | Ｊｆｅ建材株式会社 | civil engineering structures |
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