WO2007142104A1 - 燃料電池カートリッジ - Google Patents
燃料電池カートリッジ Download PDFInfo
- Publication number
- WO2007142104A1 WO2007142104A1 PCT/JP2007/061036 JP2007061036W WO2007142104A1 WO 2007142104 A1 WO2007142104 A1 WO 2007142104A1 JP 2007061036 W JP2007061036 W JP 2007061036W WO 2007142104 A1 WO2007142104 A1 WO 2007142104A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuel cell
- fuel
- cell cartridge
- cartridge
- blow molding
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
- H01M8/04208—Cartridges, cryogenic media or cryogenic reservoirs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
- H01M8/04216—Reactant storage and supply, e.g. means for feeding, pipes characterised by the choice for a specific material, e.g. carbon, hydride, absorbent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/032—Orientation with substantially vertical main axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/058—Size portable (<30 l)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0614—Single wall
- F17C2203/0617—Single wall with one layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0658—Synthetics
- F17C2203/066—Plastics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2127—Moulding by blowing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/011—Improving strength
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/012—Reducing weight
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/07—Applications for household use
- F17C2270/0763—Fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
- H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
-
- 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
Definitions
- the present invention relates to a fuel cell cartridge for storing fuel of a fuel cell, and more specifically, whitening is suppressed when high-concentration methanol as a fuel is stored, appearance characteristics, impact resistance
- the present invention relates to a fuel cell cartridge having excellent squeeze characteristics. Background art
- Direct methanol type fuel cell that can supply methanol directly to the anode electrode (fuel rice electrode) without using a reformer to remove hydrogen and cause an electrochemical reaction (DMFC) is particularly attracting attention as a fuel cell for portable devices because it is suitable for miniaturization of devices.
- DMFCs are roughly classified into active types and passive types, depending on the fuel supply method.
- the active type is a method that supplies and circulates fuel to the fuel cell using a pump, etc. Although it is easy to obtain, it requires a mechanical fuel supply means such as a pump, which is disadvantageous for downsizing the equipment.
- the passive type is a system that supplies fuel using convection, concentration gradient, etc. and does not use mechanical fuel supply means, so it is most suitable for miniaturization of equipment.
- a fuel cell fuel and fuel supply system there are an insicator system in which the fuel tank itself is replaced and a satellite system in which fuel is supplied to the fixed internal tank.
- the satellite system is applied to the passive type.
- Japanese Patent Application Laid-Open No. 2005-0 3 17 25 50 discloses polyvinyl alcohol, ethylene-vinyl alcohol copolymer, polyethylene terephthalate, etc. There has been proposed a tube-type fuel container made by extruding a gas-impermeable and light-permeable material. Disclosure of the invention In order to reduce the size of the fuel cell power transistor used in fuel cells for portable devices, fuel cells that use high-concentration methanol to reduce the fuel volume have been developed. Such fuel cells Is used with a high concentration of 90% or more pure methanol.
- the polyester resin is excellent in transparency, and is excellent in mechanical strength such as rebarrier properties and impact resistance by orientation crystallization, so that it is desired to be applied to a fuel cell cartridge.
- a fuel cell power ridge made of polyester resin is also proposed, but it is whitened when high-concentration methanol is stored. So I'm not satisfied yet.
- an object of the present invention is to make polyester, and even when containing high-concentration methanol, the whitening of the cartridge, particularly the mouth and bottom of the cartridge, is effectively prevented, and the appearance characteristics are excellent, and the impact resistance is high. It is to provide a fuel cell cartridge in which the decrease is effectively suppressed.
- the cartridge for storing fuel for a fuel cell
- the cartridge is made of polyester resin, and has a mouth portion, a trunk portion, and a bottom portion.
- a fuel cell cartridge is provided in which the density change after storage at 60 ° C. for 1 week at the mouth is 0.0 1 g / cm 3 or less.
- the density of all parts of the car ridge is 1 ⁇ 3 4 5 cm 3 or more
- the mouth is ⁇ crystallized and the bottom is stretched including the bottom center, or at least the bottom center is ⁇ crystallized,
- the fuel is methanol with a concentration of 90 ⁇ 1 ⁇ 2 or more
- the biaxial stretch blow molding is a two-stage blow molding
- connection part with a valve body for connection to the fuel storage part of the fuel cell body In particular, it can be suitably used for high-concentration methanol having a concentration of 90% or more.
- a fuel cell cartridge in which methanol having a concentration of 900 or more is stored in the fuel cell cartridge.
- the force-trigger in particular, the outer and bottom portions of the cartridge are not whitened, and has excellent appearance characteristics. The ability to reduce sex ⁇ is effectively prevented.
- the fuel cell cartridge of the present invention suppresses crystallization of the cartridge mouth portion due to high-concentration methanol, the mouth portion shrinkage due to crystallization is prevented and the dimensional stability of the mouth portion is excellent. ing.
- the fuel cell cartridge of the present invention comprises a polyester resin, and has a mouth portion, a trunk portion, and a bottom portion, and is stored at 60 ° C. for one week at the bottom and mouth portions of the cartridge when containing fuel.
- the density change of 0. 0 1 g Z cm 3 important feature to be less, important that even in the case housing the high concentration of ethanol greater than 9 ⁇ ⁇ / ⁇ is the density variation of less than the value It is a special feature.
- the present inventors have found that such a phenomenon is caused by the fact that the crystallization of the polyester is accelerated by the high-concentration methanol as the contents, and by pre-crystallizing the entire cartridge in advance, It was found that the whitening phenomenon as described above can be effectively suppressed even when methanol is stored.
- the fuel cell cartridge of the present invention all the parts of the cartridge made of polyester resin are crystallized in advance so as to have a density of 1.3 45 g Z cm 3 or more. As a result, whitening occurs even when methanol with a high concentration of 90 ⁇ 1 ⁇ 4 or more is accommodated.
- the mouth portion is thermally crystallized, and the entire body portion and bottom portion force is oriented and crystallized by stretching. Also, even if a thick unstretched partial force is formed in the center of the bottom, by heating this, it is possible to mold a cartridge in which the center of the bottom is thermally crystallized. It has not been stretched and the degree of stretching is low.
- the lower neck portion has a degree of crystallinity higher than the above value. It is possible to do this. At this time, the well-oriented body part and bottom part are excellent in transparency and impact resistance.
- the preform size is 1.5 to 3.5 times in the longitudinal direction and 1.5 to 5.0 times in the circumferential direction.
- the preform size is 1.5 to 3.5 times in the longitudinal direction and 1.5 to 5.0 times in the circumferential direction.
- the density change after storage for 60 weeks at 60 ° C for 1 week at the time of fuel storage is 0.01 gcm 3 or less, it is the same as before fuel storage.
- the mouth The density change as described above, such as a biaxially stretched blow molded cartridge (Comparative Example 1), a cartridge formed by injection blow molding (Comparative Example 2), etc.
- a cartridge larger than 0.0 1 g Z cm 3 the appearance is different from that before fuel storage, and the results satisfying all of the pear property, drop strength, and squeeze property are not obtained. Examples 1 and 2).
- FIG. 1 is a side sectional view showing an example of the fuel cell cartridge of the present invention.
- polyester resin used in the fuel cell cartridge of the present invention all polyester resins conventionally used in polyester containers can be used.
- the dicarboxylic acid component 70% or more, particularly 80% of the dicarboxylic acid component is preferably terephthalic acid from the viewpoint of mechanical properties and thermal properties, but may contain a carboxylic acid component other than terephthalic acid.
- Carboxylic acid components other than terephthalic acid include isophthalic acid, naphthalene dicarboxylic acid, P-3-oxyethoxybenzoic acid, biphenyl 4,4'-dicarboxylic acid, diphenoxetane 1,4'-dicarboxylic acid, 5- Examples thereof include sodium sulfoisophthalic acid, hexahydroterephthalic acid, adipic acid, and sebacic acid.
- naphthalenedicarboxylic acid can be suitably used.
- the diol component 70% or more, particularly 800/6 or more of the diol component is preferably ethylene glycol from the viewpoint of mechanical properties and thermal properties
- diol components other than ethylene glycol include 1, 4 Examples include monobutanediol, propylene glycol, neopentyl glycol, 1,6-hexylene glycol, diethylene glycol, triethylene glycol, cyclohexane dimethanol, ethylene oxide adduct of bisphenol A, glycerol, and trimethylolpropane.
- a homopolymer or copolymer obtained by reacting hydroxycarboxylic acid such as polylactic acid can also be used.
- These polyesters can be used alone or in combination of two or more.
- a polyester resin containing polyethylene terephthalate in an amount of 70% by weight or more in terms of impact resistance, heat resistance, transparency, methanol barrier property, economy, and the like. Is preferred.
- the polyester resin used in the fuel cell cartridge of the present invention can be polymerized by a conventionally known polyester polymerization method, but it is particularly preferable to use a Ti-based catalyst as the polymerization catalyst.
- a Ti-based catalyst makes it possible to reduce the amount of the catalyst, and since Ti is excellent in the stability of the compound, the amount of elution of the catalyst to the fuel as the content is reduced.
- the power of planning ⁇ is possible.
- polyester resins include known resin compounding agents such as colorants, antioxidants, stabilizers, various antistatic agents, mold release agents, lubricants, nucleating agents, etc. in a range that does not impair the quality of the final molded product. And can be blended according to known formulations.
- the above-described polyester resin can be molded into a preform by a conventionally known production method, for example, injection molding or compression molding.
- the molded preform heats the mouth. Then f3 ⁇ 4
- the preform used in the present invention may have a single-layer structure of the polyester resin, or the polyester resin constitutes at least an inner layer or an inner / outer layer, and an intermediate layer includes a gas barrier resin and an oxygen absorbing material. It may have a multilayer structure using a conventionally known functional resin, such as a functional resin, an oxygen-absorbing gas parial resin, or other thermoplastic resin.
- the molded preform is heated to the stretching temperature before being subjected to stretch blow molding.
- the preform heated uniformly and at a high temperature is 1.5 to 3.5 times in the longitudinal direction and 1.5 to 5 in the circumferential direction based on the preform dimensions by a conventionally known biaxial stretch blow molding method. It is preferable to perform biaxial stretch blow molding so as to be 0 times.
- the ratio of the thickness of the preform body to the thickness of the body of the fuel cell cartridge of the present invention, which is the final molded product is in the range of 0.45 to 0.05 based on the thickness of the preform body. It is preferable to do so.
- the longitudinal magnification is preferably 1.5 to 2.5 times and the circumferential magnification is 1.5 to 4.5 times.
- a preform formed by injection molding has a thick gate portion formed at the center of the bottom, and this thick portion is not sufficiently stretched. It is desirable to heat to form ilS crystallization. For example, by heating the central portion of the bottom of the thick wall between the tip of the stretching rod and the mold, the portion can be thermally crystallized.
- the molding of the fuel cell cartridge of the present invention it is preferable to heat-set at a temperature of 150 to 230 ° C. after the stretch blow molding.
- the heat fixation can be performed by means known per se, can also be performed in a blow mold, or can be performed in a mold for heat setting that is separate from the single mold.
- the fuel cell cartridge may be exposed to a temperature near the boiling point of the fuel.
- a preform heated to a stretching temperature is subjected to primary blow molding in a primary blow mold to form a secondary molded product, and at least the bottom of the secondary molded product is heated.
- It consists of a heat shrinking process to obtain a tertiary molded product by shrinking, a secondary blow molding process in which the tertiary molded product is subjected to secondary blow molding in a secondary blow mold, and stretch blow molding is performed in two stages.
- Blow molding can be highly oriented by stretching with a large amount of processing, and the heat force of the heat set performed after the first and second blow molding is increased because of the high temperature, and the crystallinity is increased.
- the two-stage blow molding can be carried out under conditions known in the art, but preferably the stretch ratio in the primary blow molding is 1.5 to 3.5 times in the longitudinal direction and 2. in the circumferential direction. It is in the range of 0 to 5.0 times, and the processing rate in secondary blow molding is 20% of the final shape volume difference between the final shape of the container and the heat-shrinked bottle. Desirably within 0 .
- the heat treatment conditions in the heat shrinking process also differ depending on the type of polyester and the conditions of primary blow molding, but in general, the temperature is appropriately selected from the range of 150 to 220 ° and the treatment time of 5 to 15 seconds. Can be determined. (Fuel cell car ridge)
- FIG. 1 is a side sectional view showing an example of a fuel cell cartridge according to the present invention.
- the fuel cell cartridge according to the present invention is represented by 1 as a whole.
- the shoulder part 3, the trunk part 4, and the bottom part 5 are connected to the trunk part 4, and the shoulder part 3, the trunk part 4 and the bottom part 5 are oriented and crystallized.
- a connecting portion 6 having a valve body (not shown) is attached to the mouth portion 2.
- the connecting portion 6 is connected to the fuel accommodating portion of the fuel cell main body, and the cartridge body is squeezed to squeeze the cartridge.
- the fuel inside can be supplied to the fuel cell.
- a fuel cell cartridge can be used while being attached to an exterior material.
- the fuel cell cartridge of the present invention is excellent in impact resistance, transparency, heat resistance, barrier properties, and the like. Therefore, it can be used alone without being attached to the exterior material.
- the diameter is in the range of 8 to 28 mm, and the capacity is preferably 200 mL or less, particularly in the range of 20 to 1 OOmL.
- the longitudinal length is 50
- the container is a small container having a maximum diameter of 15 to 15 mm and a maximum body diameter of 25 to 8 mm.
- the thickness of the body portion be 0.4 mm or less, particularly 0.3 to 0.15 mm.
- the force having a density of 1.345 g cm 3 or more in all the parts has the highest crystallinity force ⁇ the lower neck part (the N part in FIG. 1). ) And crystallized so as to have a crystal density of 1.345 gZ cm 3 or more, and in the thermally crystallized mouth, it has a crystal density in the range of 1.370 to 1 ⁇ 380 cm 3 ,
- the body and bottom (except for the bottom center), which are highly oriented and crystallized by heat setting, have a crystal density in the range of 1. 370 to 1. 390 cm 3 , and the center of the bottom that is further thermally crystallized. It is preferable that the portion also has a crystal density in the range of 1 ⁇ 365 to 1.380 gZ cm 3 .
- the fuel cell power ridge of the present invention has the above-mentioned excellent appearance characteristics and impact properties even when 90% or more of high concentration methanol is stored.
- the type of fuel to be stored is not limited, and low-concentration methanol aqueous solution, dimethyl ether, ethanol aqueous solution, ⁇ fm.
- liquid fuels such as hydrazine and ammonia can be stored.
- a molded cartridge filled with 90/0 methanol was sealed and the density of the mouth, trunk, and bottom of the container stored at 60 ° C for 1 week was examined before and after storage. -Appearance characteristics
- the container which was filled with 50 mL of methanol with a concentration of 99% and sealed in a force trough, was sealed and stored for 1 week under a temperature condition of 60. It was visually inspected for whitening.
- the sealed cartridge After filling 50 ml of methanol with a concentration of 99%, the sealed cartridge is dropped from a height of 1550 cm at a temperature of 15 ° C (falling the bottom downward). Inverted fall (falling with the mouth down) was repeated 10 times, and the number of breaks was examined (the number of samples was 10).
- PET polyethylene terephthalate
- one-stage blow molding (stretching ratio: 2.5 times in the longitudinal direction and 2.7 times in the circumferential direction, heat setting condition: 160 ° CX 2 seconds), caliber (thread outer diameter) 1
- Table 1 shows the evaluation results.
- Example 3 Using the molding materials shown in Table 1, a preform is molded, and the mouth and, if necessary, the bottom are heated. Crystallized.
- the PET used in Example 3 was polymerized from a titanium catalyst.
- the draw ratio based on the preform dimensions of the molded container was 2.5 times in the longitudinal direction and 2.7 times in the circumferential direction.
- Table 1 shows the evaluation results.
- a cartridge was molded in the same manner as in Example 1 except that the mouth and bottom were not crystallized. Table 1 shows the evaluation results.
- Table 1 shows the evaluation results.
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Fuel Cell (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800204223A CN101461081B (zh) | 2006-06-02 | 2007-05-24 | 燃料电池筒 |
US12/303,144 US20090197150A1 (en) | 2006-06-02 | 2007-05-24 | Fuel cell cartridge |
EP07744447A EP2028708A4 (en) | 2006-06-02 | 2007-05-24 | FUEL CELL CASSETTE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-155140 | 2006-06-02 | ||
JP2006155140A JP5063935B2 (ja) | 2006-06-02 | 2006-06-02 | 燃料電池カートリッジ用ポリエステル製容器 |
Publications (1)
Publication Number | Publication Date |
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WO2007142104A1 true WO2007142104A1 (ja) | 2007-12-13 |
Family
ID=38801362
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/061036 WO2007142104A1 (ja) | 2006-06-02 | 2007-05-24 | 燃料電池カートリッジ |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090197150A1 (ja) |
EP (1) | EP2028708A4 (ja) |
JP (1) | JP5063935B2 (ja) |
KR (1) | KR20090020610A (ja) |
CN (1) | CN101461081B (ja) |
TW (1) | TW200814417A (ja) |
WO (1) | WO2007142104A1 (ja) |
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2007
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- 2007-05-24 WO PCT/JP2007/061036 patent/WO2007142104A1/ja active Application Filing
- 2007-05-24 KR KR1020087030371A patent/KR20090020610A/ko not_active Application Discontinuation
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- 2007-06-01 TW TW096119661A patent/TW200814417A/zh unknown
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Also Published As
Publication number | Publication date |
---|---|
EP2028708A1 (en) | 2009-02-25 |
CN101461081B (zh) | 2012-02-08 |
JP5063935B2 (ja) | 2012-10-31 |
US20090197150A1 (en) | 2009-08-06 |
EP2028708A4 (en) | 2010-08-11 |
TW200814417A (en) | 2008-03-16 |
CN101461081A (zh) | 2009-06-17 |
JP2007324056A (ja) | 2007-12-13 |
KR20090020610A (ko) | 2009-02-26 |
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