JP2003279465A - Gas permeability measuring device and measuring method - Google Patents
Gas permeability measuring device and measuring methodInfo
- Publication number
- JP2003279465A JP2003279465A JP2002084880A JP2002084880A JP2003279465A JP 2003279465 A JP2003279465 A JP 2003279465A JP 2002084880 A JP2002084880 A JP 2002084880A JP 2002084880 A JP2002084880 A JP 2002084880A JP 2003279465 A JP2003279465 A JP 2003279465A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- sheet
- shaped material
- gas permeability
- holding
- 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
- Y02E60/50—Fuel cells
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、被験試料の気体透
過性を測定する測定装置及び測定方法に関する。TECHNICAL FIELD The present invention relates to a measuring apparatus and a measuring method for measuring gas permeability of a test sample.
【０００２】[0002]
【従来の技術】気体透過性を測定する被験試料として、
現今、様々なものがある。通常、気体透過性の試験にあ
っては、被験試料を気体が流通可能な通気管内に充填
し、充填状態にある被験試料を介して気体を流通・透過
させて、発生する差圧から被験試料の気体透過性（気体
透過特性）を得る。被験材料は、通常、連通孔を有する
多孔質体であったり、粉状、繊維状物の集合体であった
りする。その測定にあっては、気体は乾燥した標準状態
に保たれて測定が行われる。2. Description of the Related Art As a test sample for measuring gas permeability,
Currently, there are various things. Usually, in the gas permeability test, the test sample is filled in a ventilation pipe through which the gas can flow, and the gas is circulated and permeated through the test sample in the filled state. To obtain the gas permeability (gas permeability characteristic) of. The test material is usually a porous body having communicating pores, or an aggregate of powdery or fibrous substances. In the measurement, the gas is kept in a dry standard state for the measurement.
【０００３】さて、現今、固体高分子型燃料電池の開発
がさかんに行われている。このような固体高分子型燃料
電池の構成部材として、所謂、ガス拡散層がある。この
ガス拡散層は、カーボン繊維等を主成分としてシート状
（厚み１００〜５００μｍ）に構成されるものであり、
その使用に際しては、燃料電池の運転条件から決まる特
定の状態（温度（７０〜８０℃）、湿度（ほぼ飽和状
態）が決まっている）で使用される。Nowadays, solid polymer fuel cells are being actively developed. A so-called gas diffusion layer is a constituent member of such a polymer electrolyte fuel cell. This gas diffusion layer is formed in a sheet shape (thickness 100 to 500 μm) containing carbon fiber as a main component,
When used, it is used in a specific state (temperature (70 to 80 ° C.) and humidity (almost saturated state) are determined) determined by the operating conditions of the fuel cell.
【０００４】このようなガス拡散層は、長期間の運転に
おいて、材料が劣化したり、余物が構成材に付着して、
その機能を十分に発揮できなかったりする。また、ガス
拡散層を通過するガスは、固体高分子型燃料電池として
の要請から、加湿・加温状態にあるが、このようなガス
がガス拡散層を透過する場合、ガスの凝縮により液膜が
ガス拡散層に形成され、透過の障害となる場合もある。In such a gas diffusion layer, when the material is deteriorated or residuals adhere to the constituents during long-term operation,
You may not be able to fully exert its function. In addition, the gas passing through the gas diffusion layer is in a humidified / heated state due to the requirement as a polymer electrolyte fuel cell, but when such a gas permeates the gas diffusion layer, the liquid film is formed by condensation of the gas. May be formed in the gas diffusion layer and may hinder the permeation.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、従来の
気体透過性測定装置にあっては、上記のような比較的薄
いシート状材料の気体透過性を、加湿・加温状態で測定
することができず、適切なシート状材料の評価を行えな
いという問題があった。従って、燃料電池動作のガス拡
散層の評価を行うに、適切な気体透過性データを得るこ
とができず、改良の余地があった。However, in the conventional gas permeability measuring device, the gas permeability of the relatively thin sheet material as described above can be measured in a humidified / heated state. Therefore, there is a problem in that an appropriate sheet material cannot be evaluated. Therefore, in the evaluation of the gas diffusion layer for fuel cell operation, appropriate gas permeability data could not be obtained, and there was room for improvement.
【０００６】本発明の目的は、比較的薄いシート状材料
の気体透過性を、その使用状態に適合させて測定するこ
とができる気体透過性測定装置を得ることにある。An object of the present invention is to obtain a gas permeability measuring device capable of measuring the gas permeability of a relatively thin sheet-like material in conformity with its use condition.
【０００７】[0007]
【課題を解決するための手段】この目的を達成するため
の本発明による気体透過性測定装置の特徴構成は、請求
項１に記載されているように、前記被験試料であるシー
ト状材料を挟持する一対の挟持治具を備えるとともに、
前記シート状材料を挟持した挟持状態において、前記シ
ート状材料を介する気体流路を形成する流通孔を前記一
対の挟持治具にそれぞれ備え、前記気体流路に前記気体
を加湿して供給する加湿気体供給装置と、前記気体流路
内を流れる加湿気体の温度を調節する温度調節装置とを
備え、前記シート状材料の挟持位置を挟んで、前記気体
流路に発生する差圧を測定可能な差圧測定部を設けたこ
とにある。As a characteristic constitution of a gas permeability measuring apparatus according to the present invention for achieving this object, as described in claim 1, a sheet-like material as the test sample is sandwiched. With a pair of clamping jigs,
In a sandwiched state in which the sheet-shaped material is sandwiched, the pair of sandwiching jigs are each provided with a flow hole that forms a gas flow path through the sheet-shaped material, and the gas is humidified and supplied to the gas flow path. A gas supply device and a temperature adjusting device for adjusting the temperature of the humidifying body flowing in the gas flow path are provided, and the pressure difference generated in the gas flow path can be measured with the holding position of the sheet-shaped material sandwiched. This is because the differential pressure measuring unit is provided.
【０００８】この構成の気体透過性測定装置にあって
は、シート状材料を一対の挟持治具間に介挿し、この状
態で、シート状材料を介する気体流路を一対の流通孔を
介して形成する。そして、加湿気体供給装置を働かせ
て、この流通孔に加湿状態のガスを供給し、温度調節装
置の働きにより、この気体の温度を所定の温度とする。
気体透過性の測定時に問題となる差圧に関しては、差圧
測定部を利用して、これを測定する。結果、比較的薄手
のシート状材料の気体透過性を、加湿、加温状態で適確
に測定することができる。In the gas permeability measuring device having this structure, the sheet material is inserted between the pair of holding jigs, and in this state, the gas flow path through the sheet material is passed through the pair of flow holes. Form. Then, the humidifying body supply device is operated to supply the gas in a humidified state to the flow hole, and the temperature adjusting device functions to bring the temperature of the gas to a predetermined temperature.
Regarding the differential pressure which becomes a problem when measuring the gas permeability, this is measured using the differential pressure measuring unit. As a result, the gas permeability of a relatively thin sheet material can be accurately measured in a humidified and heated state.
【０００９】さて、請求項２に記載されているように、
前記加湿気体供給装置としては、気体タンクから前記気
体を受け入れて、温度調節された水内を通過させて、気
体を設定湿度に加湿する加湿装置から、これを構成する
ことが可能であり、前記温度調節装置としては、前記一
対の挟持治具の温度を調節する構成することが好まし
い。Now, as described in claim 2,
As the humidifying body supply device, it is possible to form the humidifying device by receiving the gas from a gas tank, allowing the gas to pass through temperature-controlled water, and humidifying the gas to a set humidity. As the temperature control device, it is preferable that the temperature control device controls the temperature of the pair of holding jigs.
【００１０】このような加湿装置を使用することで、気
体を温度調節された水内を通過させるだけで、その湿度
を目標の湿度に調節することが可能であり、また、シー
ト状材料の近傍の気体温度を適切に、調節することがで
きる。By using such a humidifier, it is possible to adjust the humidity to a target humidity only by passing the gas through the temperature-controlled water, and in the vicinity of the sheet-shaped material. The gas temperature can be adjusted appropriately.
【００１１】さて、請求項３に記載されているように、
前記挟持治具が、円盤状の前記シート状材料挟持板を備
え、前記シート状材料挟持板に一対の挟持治具を締結す
る締結具挿入部が備えられるとともに、前記締結具挿入
部が、前記シート状材料が配置されるシート状材料配置
部に対して外径側に設けられていることが好ましい。Now, as described in claim 3,
The clamping jig includes the disc-shaped sheet-shaped material clamping plate, a fastener insertion portion that fastens a pair of clamping jigs to the sheet-shaped material clamping plate is provided, and the fastener insertion portion is It is preferably provided on the outer diameter side with respect to the sheet-shaped material placement portion in which the sheet-shaped material is placed.
【００１２】例えば、固体高分子型燃料電池のガス透過
層は、５ｃｍ角の四角形状とされる。気体透過性の測定
に際しては、所定の動作期間を経過したガス透過膜を、
その動作状態にできるだけ近い状態とすることが好まし
い。この場合、その膜をそのまま挟持して、測定に供す
ることができることが好ましい。さて、上記のように、
締結具挿入部を前記シート状材料挟持部の外径側に、こ
の部位とは独立に設けておくことで、シート状材料を損
なうことなく、測定に供することが可能となり、本願の
目的に即した測定を行うことができる。For example, the gas permeable layer of a polymer electrolyte fuel cell has a square shape of 5 cm square. When measuring gas permeability, measure the gas permeable membrane after a predetermined operating period.
It is preferable to make the state as close to the operating state as possible. In this case, it is preferable that the film can be sandwiched and used for the measurement. Now, as above
By providing the fastener insertion portion on the outer diameter side of the sheet-shaped material holding portion independently of this portion, it is possible to perform the measurement without damaging the sheet-shaped material, and to achieve the object of the present application immediately. Measurements can be made.
【００１３】さて、請求項４に記載されているように、
前記シート状材料を前記一対の挟持治具に挟持するに、
前記シート状材料と前記挟持治具間に介挿される一対の
パッキンを備え、前記パッキンの気体通過孔断面積が、
前記シート状材料の面積よりも小さく、前記挟持治具に
設けられる気体流路断面積に設定されていることが好ま
しい。Now, as described in claim 4,
To clamp the sheet-shaped material between the pair of clamping jigs,
A pair of packings inserted between the sheet-shaped material and the holding jig are provided, and a cross-sectional area of the gas passage hole of the packing is
It is preferable that the area is smaller than the area of the sheet-shaped material and is set to the cross-sectional area of the gas flow path provided in the holding jig.
【００１４】気体透過性の測定にあたっては、シート状
材料の両側にパッキンを、さらにその外側の両側に挟持
治具を位置させて、測定を行う。この場合、例えば、パ
ッキンとシート状材料との関係は、図５（イ）（ロ）に
示すような関係を採ることが可能であるが、パッキンの
気体通過孔径が、シート状材料の面積よりも小さく、挟
持治具に設けられる気体流路径に設定されていると、パ
ッキンがシート状材料の一部に被る状態で、材料を挟持
することが可能となり、気体の透過部位を、パッキンの
開口部位、換言すると、流通孔に対応した部位に限るこ
とが可能となる。In measuring the gas permeability, the packing is placed on both sides of the sheet-shaped material, and the holding jigs are placed on both sides outside the sheet-like material. In this case, for example, the relationship between the packing and the sheet-shaped material can be as shown in FIGS. 5A and 5B, but the gas passage hole diameter of the packing is larger than the area of the sheet-shaped material. Is small and the gas flow path diameter provided in the holding jig is set, it becomes possible to hold the material while the packing covers a part of the sheet-like material, and the gas permeation site is opened in the packing. It is possible to limit the part, in other words, the part corresponding to the flow hole.
【００１５】従って、挟持状態での気体の流通透過部位
を、測定に必要な部位に限定して、正確な測定を行うこ
とができる。Therefore, it is possible to perform accurate measurement by limiting the gas permeation / permeation site in the sandwiched state to the site required for measurement.
【００１６】さて、上記の気体透過性測定装置は、請求
項５に記載されているように、前記被験試料としての１
００〜５００μｍ厚のシート状材料の気体透過性を測定
するのに好ましい。The gas permeability measuring device described above, as described in claim 5, is used as the test sample.
It is preferable to measure the gas permeability of a sheet material having a thickness of 00 to 500 μm.
【００１７】[0017]
【発明の実施の形態】本願の気体透過性測定装置１を使
用して、固体高分子型燃料電池のガス拡散層の気体透過
性の測定を使用する場合に関して説明する。BEST MODE FOR CARRYING OUT THE INVENTION A case of using the gas permeability measuring apparatus 1 of the present application to measure gas permeability of a gas diffusion layer of a polymer electrolyte fuel cell will be described.
【００１８】図１、２、３は、気体透過性測定装置１の
使用状態を示す図であり、図４は本願独特の一対の挟持
治具２の詳細を示すための分解斜視図である。FIGS. 1, 2, and 3 are views showing the usage state of the gas permeability measuring apparatus 1, and FIG. 4 is an exploded perspective view showing the details of a pair of holding jigs 2 unique to the present invention.
【００１９】本願の気体透過性測定装置１は、シート状
材料としてのガス拡散層３を挟持するための一対の挟持
治具２を備えて構成され、この一対の挟持治具２間にパ
ッキン４に挟持されたガス拡散層３を介挿して使用され
る。The gas permeability measuring apparatus 1 of the present application comprises a pair of holding jigs 2 for holding a gas diffusion layer 3 as a sheet material, and a packing 4 is provided between the pair of holding jigs 2. It is used by inserting the gas diffusion layer 3 sandwiched between the two.
【００２０】この挟持状態にあって、上記一対の挟持治
具２間に亘って、一定断面積の気体流路Ｌができる構成
が採用されている。In this sandwiched state, a structure is adopted in which a gas flow path L having a constant cross-sectional area can be formed between the pair of sandwiching jigs 2.
【００２１】さて、この気体流路Ｌを通過する気体ａに
関しては、その湿度および温度を適切に設定できる。即
ち、前記気体流路Ｌに気体ａを加湿して供給する加湿気
体供給装置５が備えられるとともに、この気体流路内を
流れる加湿気体の温度を調節する温度調節装置が備えら
れている。The humidity and temperature of the gas a passing through the gas flow path L can be set appropriately. That is, a humidifying body supply device 5 for humidifying and supplying the gas a to the gas flow path L is provided, and a temperature adjusting device for adjusting the temperature of the humidifying body flowing in the gas flow path is provided.
【００２２】前記加湿気体供給装置５は、具体的には、
図示されるように、気体タンク７から気体ａを受け入れ
て、温度調節された水ｗ内を通過させて、気体ａを設定
湿度に加湿する加湿装置であり、加湿装置の内部に備え
られるヒータＨ１の温度を適切に設定することで、気体
ａの湿度を所望の湿度に設定することができる。この加
湿装置は全体を断熱材で覆われ、適切に断熱されてい
る。The humidifying body supply device 5 is specifically as follows.
As shown in the figure, it is a humidifying device that receives the gas a from the gas tank 7, passes through the temperature-controlled water w, and humidifies the gas a to the set humidity. The heater H1 is provided inside the humidifying device. By properly setting the temperature of, the humidity of the gas a can be set to a desired humidity. The entire humidifier is covered with a heat insulating material and is properly insulated.
【００２３】一方、前記温度調節装置は、具体的には、
前記一対の挟持治具２の温度を調節するヒータＨ２であ
り、図示するように、リボンヒータ及び板状ヒータが挟
持治具２それぞれに環巻されて構成されている。この構
造を採用することで、被験試料の温度、気体の温度も適
切に設定される。On the other hand, the temperature control device is specifically
It is a heater H2 that adjusts the temperature of the pair of holding jigs 2. As shown in the drawing, a ribbon heater and a plate-shaped heater are wound around each holding jig 2. By adopting this structure, the temperature of the test sample and the temperature of the gas are appropriately set.
【００２４】上記一対の挟持治具２は、左右、一対とし
て構成されるものであり、それぞれが、円盤状のシート
状材料挟持板２１と、この基端側に備えられる導入軸２
２を備えて構成されている。シート状材料挟持板２１お
よび導入軸２２には、これを貫通して流通孔２３が設け
られており、挟持状態で、連通する気体流路Ｌを形成で
きる。The pair of holding jigs 2 are configured as a left and right pair, and each of them has a disc-like sheet-like material holding plate 21 and an introducing shaft 2 provided at the base end side thereof.
2 is provided. The sheet-shaped material holding plate 21 and the introduction shaft 22 are provided with a through hole 23 penetrating the sheet-shaped material holding plate 21 and the introduction shaft 22, so that the communicating gas flow path L can be formed in the holding state.
【００２５】このシート状材料挟持板２１には、前記シ
ート状材料が挟持されるシート状材料配置部２４が、そ
の大きさをガス拡散層の大きさに合わせて設けられてお
り、挟持にあたって、一対の挟持板２１を締結する締結
具８が挿入される締結具挿入部２５が備えられている。
この部位２５は、前記シート状材料配置部２４に対して
所定の外径側とされている。The sheet-shaped material holding plate 21 is provided with a sheet-shaped material arranging portion 24 for holding the sheet-shaped material, the size of which corresponds to the size of the gas diffusion layer. A fastener insertion portion 25 into which the fastener 8 that fastens the pair of holding plates 21 is inserted is provided.
This portion 25 is on the predetermined outer diameter side with respect to the sheet-shaped material arrangement portion 24.
【００２６】前記導入軸２２の所定部位には、前記流通
孔２３に接続される接続孔２６が、それぞれの挟持治具
２に備えられており、この部位（差圧測定部）から、気
体流路Ｌの気体圧を取り出して、一対の部位間に発生す
る差圧が測定可能とされている。A connection hole 26 connected to the flow hole 23 is provided in each holding jig 2 at a predetermined portion of the introduction shaft 22. From this portion (differential pressure measuring portion), a gas flow is provided. The gas pressure in the path L can be taken out and the differential pressure generated between the pair of parts can be measured.
【００２７】上記パッキン４に関して説明すると、この
パッキン４の気体通過孔４１の径が、前記挟持治具２に
設けられる気体流路断径に設定されており、実質、こ
の、前記シート状材料３の面積よりも小さい。従って、
請求項４の作用効果に関する記載において、図５（イ）
（ロ）を参考にして先に説明したように、ガス拡散層３
をその両側からパッキン４で挟持し、その気体通過孔４
１の位置を挟持治具２の流通孔２３の開孔位置に合わせ
て（実際は中心軸芯を合わせる）、使用することで、気
体の透過面積を適切に設定して透過性を測定することが
できる。Explaining the packing 4, the diameter of the gas passage hole 41 of the packing 4 is set to the diameter of the gas flow passage provided in the holding jig 2, and the sheet material 3 is substantially formed. Smaller than the area of. Therefore,
In the description relating to the action and effect of claim 4, FIG.
As described above with reference to (b), the gas diffusion layer 3
The packing 4 from both sides, and the gas passage hole 4
It is possible to set the gas permeation area appropriately and measure the permeability by aligning the position 1 with the opening position of the flow hole 23 of the holding jig 2 (actually aligning the central axis). it can.
【００２８】さらに具体的には、パッキン４の材質はシ
リコンゴム、硬さＳ４９．２のものであり、厚み２ｍｍ
のものを使用した。気体通過孔４１の径は１ｃｍであ
り、その締めつけ圧力は、０．５Ｎｍとした。More specifically, the material of the packing 4 is silicone rubber and the hardness is S49.2, and the thickness is 2 mm.
I used the one. The diameter of the gas passage hole 41 was 1 cm, and the tightening pressure was 0.5 Nm.
【００２９】気体透過性の測定結果を以下に、箇条書き
して示す。
１ 被験試料
ガス拡散層３ 材料 カーボン多孔材
層厚 ３７０μｍ
外形寸法 ５ｃｍ×５ｃｍ角
被験対象としては、新品のもの（被験試料１）と、動作
温度７０〜８０℃、湿度がほぼ飽和状態で、固体高分子
型燃料電池のガス拡散層２として、７４０時間使用され
たもの（被験試料２）を比較した。The results of measuring the gas permeability are listed below. 1 Test Sample Gas Diffusion Layer 3 Material Carbon Porous Material Layer Thickness 370 μm External Dimensions 5 cm × 5 cm Square Test object is new (test sample 1), operating temperature 70 to 80 ° C., humidity almost saturated, solid As the gas diffusion layer 2 of the polymer type fuel cell, one used for 740 hours (test sample 2) was compared.
【００３０】 [0030]
【００３１】 ３ 測定結果 被験試料１ 湿度飽和条件での気体透過性 １０２３（ｍｌ・ｍｍ／ｃｍ２・ｈｒ・ｍｍＡｑ） 乾燥条件での気体透過性 １３３４（ｍｌ・ｍｍ／ｃｍ２・ｈｒ・ｍｍＡｑ） 被験試料２ 湿度飽和条件での気体透過性 ６４１（ｍｌ・ｍｍ／ｃｍ２・ｈｒ・ｍｍＡｑ） 乾燥条件での気体透過性 ９６１（ｍｌ・ｍｍ／ｃｍ２・ｈｒ・ｍｍＡｑ）3 Measurement Results Test Sample 1 Gas Permeability under Humidity Saturation Conditions 1023 (ml · mm / cm 2 · hr · mmAq) Gas Permeability Under Drying Conditions 1334 (ml · mm / cm 2 · hr · mmAq) Test sample 2 Gas permeability under humidity saturated condition 641 (ml · mm / cm 2 · hr · mmAq) Gas permeability under dry condition 961 (ml · mm / cm 2 · hr · mmAq)
【００３２】結果、新品と所定の使用後のガス透過層
で、さらに乾燥状態と加湿状態とで、気体透過性にかな
りの差が認められた。As a result, a considerable difference was observed in the gas permeability between the new product and the gas permeable layer after a predetermined use, and the dry condition and the humid condition.
【００３３】〔別実施の形態〕上記の実施の形態では、
固体高分子型燃料電池のガス透過層の気体透過性の測定
に本願の測定装置を使用する例を示したが、気体透過性
が、気体の温度および湿度の影響を受ける場合、任意対
象の測定に本願は有効である。さらに、測定対象が薄膜
の場合、特に好ましい。[Other Embodiment] In the above embodiment,
An example of using the measuring device of the present application to measure the gas permeability of the gas permeable layer of a polymer electrolyte fuel cell was shown, but if the gas permeability is affected by the temperature and humidity of the gas, measurement of any object The present application is effective. Furthermore, it is particularly preferable when the measurement target is a thin film.
【００３４】[0034]
【発明の効果】本発明により、例えば、固体高分子形燃
料電池のガス拡散層の拡散性能を発電動作時に近い状態
で評価することができる。According to the present invention, for example, the diffusion performance of the gas diffusion layer of a polymer electrolyte fuel cell can be evaluated in a state close to that during power generation operation.
【図１】気体透過性測定装置の使用状態を示す図FIG. 1 is a diagram showing a usage state of a gas permeability measuring device.
【図２】気体透過性測定装置の要部断面視図FIG. 2 is a cross-sectional view of a main part of a gas permeability measuring device.
【図３】気体透過性測定装置の要部の流通孔軸に沿った
方向視図FIG. 3 is a direction view along the flow hole axis of the main part of the gas permeability measuring device.
【図４】挟持治具の詳細を示す分解斜視図FIG. 4 is an exploded perspective view showing details of a holding jig.
【図５】パッキンによるシート状材料の挟持状態の説明
図FIG. 5 is an explanatory view of a state in which a sheet material is sandwiched by packing.
１ 気体透過性測定装置 ２ 挟持治具 ３ ガス拡散層 ４ パッキン ５ 加湿気体供給装置 ７ 気体タンク ８ 締結具 ２１ シート状材料挟持板 ２２ 導入軸 ２３ 流通孔 ２４ シート状材料の配置部 ２５ 締結具挿入部 ２６ 接続孔 ４１ 気体通過孔 Ｌ 気体流路 ａ 気体 ｗ 水 Ｈ１ ヒータ Ｈ２ ヒータ 1 Gas permeability measuring device 2 clamping jig 3 gas diffusion layer 4 packing 5 Humidifier supply device 7 gas tank 8 fasteners 21 Sheet-shaped material holding plate 22 Introduction axis 23 Distribution holes 24 Sheet material placement section 25 Fastener insertion part 26 Connection hole 41 Gas passage hole L gas flow path a gas w water H1 heater H2 heater
フロントページの続き (72)発明者 新宅 英城 大阪府大阪市中央区平野町四丁目１番２号 大阪瓦斯株式会社内 (72)発明者 山▲崎▼ 修 大阪府大阪市中央区平野町四丁目１番２号 大阪瓦斯株式会社内 Ｆターム(参考） 5H026 AA06 CX04 HH03 5H027 AA06 Continued front page (72) Inventor Shinjo Eijo 4-1-2 Hirano-cho, Chuo-ku, Osaka-shi, Osaka Prefecture Within Osaka Gas Co., Ltd. (72) Inventor Osamu Yamazaki Osamu 4-1-2 Hirano-cho, Chuo-ku, Osaka-shi, Osaka Prefecture Within Osaka Gas Co., Ltd. F-term (reference) 5H026 AA06 CX04 HH03 5H027 AA06
Claims (5)
置であって、 前記被験試料であるシート状材料を挟持する一対の挟持
治具を備えるとともに、前記シート状材料を挟持した挟
持状態において、前記シート状材料を介する気体流路を
形成する流通孔を前記一対の挟持治具にそれぞれ備え、 前記気体流路に前記気体を加湿して供給する加湿気体供
給装置と、 前記気体流路内を流れる加湿気体の温度を調節する温度
調節装置とを備え、 前記シート状材料の挟持位置を挟んで、前記気体流路に
発生する差圧を測定可能な差圧測定部を設けた気体透過
性測定装置。1. A measuring device for measuring gas permeability of a test sample, comprising a pair of holding jigs for holding the sheet-shaped material, which is the test sample, in a holding state in which the sheet-shaped material is held. A humidifying body supply device for humidifying and supplying the gas to the gas flow path, the flow path forming the gas flow path through the sheet-shaped material being provided in each of the pair of holding jigs; And a temperature adjusting device for adjusting the temperature of the humidifying body flowing through, sandwiching the sandwiching position of the sheet-shaped material, gas permeability provided with a differential pressure measuring unit capable of measuring the differential pressure generated in the gas flow path. measuring device.
ら前記気体を受け入れて、温度調節された水内を通過さ
せて、気体を設定湿度に加湿する加湿装置であり、 前記温度調節装置が、前記一対の挟持治具の温度を調節
する請求項１記載の気体透過性測定装置。2. The humidifying body supply device is a humidifying device that receives the gas from a gas tank and passes through the temperature-controlled water to humidify the gas to a set humidity, wherein the temperature adjusting device is The gas permeability measuring device according to claim 1, wherein the temperature of the pair of holding jigs is adjusted.
材料挟持板を備え、前記シート状材料挟持板に一対の挟
持治具を締結する締結具挿入部が備えられるとともに、
前記締結具挿入部が、前記シート状材料が配置されるシ
ート状材料配置部に対して外径側に設けられている請求
項１又は２記載の気体透過性測定装置。3. The holding jig includes the disc-shaped sheet-shaped material holding plate, and a fastener insertion portion that fastens a pair of holding jigs to the sheet-shaped material holding plate.
The gas permeability measuring device according to claim 1 or 2, wherein the fastener insertion portion is provided on an outer diameter side with respect to a sheet-shaped material placement portion in which the sheet-shaped material is placed.
に挟持するに、前記シート状材料と前記挟持治具間に介
挿される一対のパッキンを備え、 前記パッキンの気体通過孔断面積が、前記シート状材料
の面積よりも小さく、前記挟持治具に設けられる気体流
路断面積に設定されている請求項１〜３の何れか１項記
載の気体透過性測定装置。4. A pair of packings inserted between the sheet-shaped material and the holding jig to hold the sheet-shaped material between the pair of holding jigs, wherein the cross-sectional area of the gas passage hole of the packing is The gas permeability measuring device according to any one of claims 1 to 3, wherein the gas permeability measuring device is smaller than the area of the sheet-shaped material and is set to a gas flow passage cross-sectional area provided in the holding jig.
過性測定装置を使用して、前記被験試料としての１００
〜５００μｍ厚のシート状材料の気体透過性を測定する
シート状材料の気体透過性測定方法。5. The gas permeability measuring device according to claim 1, which is used as the test sample.
A method for measuring gas permeability of a sheet-shaped material, which measures the gas permeability of a sheet-shaped material having a thickness of 500 μm.
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|---|---|---|---|
| JP2002084880A JP2003279465A (en) | 2002-03-26 | 2002-03-26 | Gas permeability measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002084880A JP2003279465A (en) | 2002-03-26 | 2002-03-26 | Gas permeability measuring device and measuring method |
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| Publication Number | Publication Date |
|---|---|
| JP2003279465A true JP2003279465A (en) | 2003-10-02 |
Family
ID=29232037
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|---|---|---|---|
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|---|---|---|---|---|
| JP2004363041A (en) * | 2003-06-06 | 2004-12-24 | Sony Corp | Diffusion layer evaluation device and evaluation method |
| JP2005166595A (en) * | 2003-12-05 | 2005-06-23 | Toyota Motor Corp | Apparatus and method for evaluating durability of electrolyte film |
| JP2007292602A (en) * | 2006-04-25 | 2007-11-08 | Yokohama Rubber Co Ltd:The | Air permeability testing method of rubber |
| JP2010503850A (en) * | 2006-09-19 | 2010-02-04 | エクストラソリューション エス．アール．エル． | Method and apparatus for measuring permeability of gas passing through film body and container wall |
| CN106442251A (en) * | 2016-08-16 | 2017-02-22 | 中国石油天然气股份有限公司 | Effective permeability measuring method based on on-site shale gas content testing data |
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| CN108051350A (en) * | 2017-11-30 | 2018-05-18 | 华南理工大学 | A kind of porous material testing permeability device and test method |
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2002
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004363041A (en) * | 2003-06-06 | 2004-12-24 | Sony Corp | Diffusion layer evaluation device and evaluation method |
| JP2005166595A (en) * | 2003-12-05 | 2005-06-23 | Toyota Motor Corp | Apparatus and method for evaluating durability of electrolyte film |
| JP4655474B2 (en) * | 2003-12-05 | 2011-03-23 | トヨタ自動車株式会社 | Electrolyte membrane durability evaluation apparatus and method |
| JP2007292602A (en) * | 2006-04-25 | 2007-11-08 | Yokohama Rubber Co Ltd:The | Air permeability testing method of rubber |
| JP4697032B2 (en) * | 2006-04-25 | 2011-06-08 | 横浜ゴム株式会社 | Rubber gas permeability test method |
| JP2010503850A (en) * | 2006-09-19 | 2010-02-04 | エクストラソリューション エス．アール．エル． | Method and apparatus for measuring permeability of gas passing through film body and container wall |
| CN106442251A (en) * | 2016-08-16 | 2017-02-22 | 中国石油天然气股份有限公司 | Effective permeability measuring method based on on-site shale gas content testing data |
| CN107490539A (en) * | 2017-08-23 | 2017-12-19 | 成都本华清博科技有限公司 | A kind of measurement apparatus and its measuring method of flaky material penetrability |
| CN108051350A (en) * | 2017-11-30 | 2018-05-18 | 华南理工大学 | A kind of porous material testing permeability device and test method |
| CN108279198A (en) * | 2017-12-18 | 2018-07-13 | 广州番禺职业技术学院 | A kind of packaging material gas permeability detection method based on pressure differential method |
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