AU2001256040A1 - Method and apparatus for embossing expanded graphite sheet material under reduced pressure - Google Patents
Method and apparatus for embossing expanded graphite sheet material under reduced pressureInfo
- Publication number
- AU2001256040A1 AU2001256040A1 AU2001256040A AU5604001A AU2001256040A1 AU 2001256040 A1 AU2001256040 A1 AU 2001256040A1 AU 2001256040 A AU2001256040 A AU 2001256040A AU 5604001 A AU5604001 A AU 5604001A AU 2001256040 A1 AU2001256040 A1 AU 2001256040A1
- Authority
- AU
- Australia
- Prior art keywords
- embossing
- expanded graphite
- graphite sheet
- sheet material
- reduced pressure
- 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.)
- Abandoned
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/3607—Moulds for making articles of definite length, i.e. discrete articles with sealing means or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/56—Compression moulding under special conditions, e.g. vacuum
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0206—Metals or alloys
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0213—Gas-impermeable carbon-containing materials
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0223—Composites
- H01M8/0228—Composites in the form of layered or coated products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
- B29C2043/023—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves
- B29C2043/025—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves forming a microstructure, i.e. fine patterning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/56—Compression moulding under special conditions, e.g. vacuum
- B29C2043/566—Compression moulding under special conditions, e.g. vacuum in a specific gas atmosphere, with or without pressure
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1007—Running or continuous length work
- Y10T156/1023—Surface deformation only [e.g., embossing]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1039—Surface deformation only of sandwich or lamina [e.g., embossed panels]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1056—Perforating lamina
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/10—Battery-grid making
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Fuel Cell (AREA)
- Carbon And Carbon Compounds (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
A method for embossing expanded graphite sheet material comprises removing at least a portion of the gas from within the material by exposing the material to a pressure less than atmospheric pressure, and then embossing the material. The pressure to which the material is exposed is preferably no greater than about 400 torr. An apparatus for embossing expanded graphite sheet material at a pressure less than atmospheric pressure comprises: an embossing device, a compression device adapted to urge the embossing device against the material, an embossing chamber comprising the at least one embossing device and adapted to receive the material and to be substantially gas-tight at least when the embossing device is urged against the material by the pressing device, and an evacuation device for reducing the pressure within the embossing chamber.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56971000A | 2000-05-10 | 2000-05-10 | |
US09/569,710 | 2000-05-10 | ||
US09/747,571 | 2000-12-22 | ||
US09/747,571 US6797091B2 (en) | 2000-05-10 | 2000-12-22 | Method for embossing expanded graphite sheet material under reduced pressure |
PCT/CA2001/000654 WO2001086743A2 (en) | 2000-05-10 | 2001-05-07 | Method and apparatus for embossing expanded graphite sheet material under reduced pressure |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001256040A1 true AU2001256040A1 (en) | 2001-11-20 |
Family
ID=27075122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001256040A Abandoned AU2001256040A1 (en) | 2000-05-10 | 2001-05-07 | Method and apparatus for embossing expanded graphite sheet material under reduced pressure |
Country Status (8)
Country | Link |
---|---|
US (2) | US6797091B2 (en) |
EP (1) | EP1299917B1 (en) |
JP (1) | JP2003533001A (en) |
AT (1) | ATE354871T1 (en) |
AU (1) | AU2001256040A1 (en) |
CA (1) | CA2409544C (en) |
DE (1) | DE60126773T2 (en) |
WO (1) | WO2001086743A2 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030108731A1 (en) * | 2000-01-24 | 2003-06-12 | Mercuri Robert Angelo | Molding of fluid permeable flexible graphite components for fuel cells |
US6890680B2 (en) * | 2002-02-19 | 2005-05-10 | Mti Microfuel Cells Inc. | Modified diffusion layer for use in a fuel cell system |
US20060027036A1 (en) * | 2004-08-05 | 2006-02-09 | Biggs Todd L | Methods and apparatuses for imprinting substrates |
KR101319325B1 (en) * | 2006-12-29 | 2013-10-16 | 엘지디스플레이 주식회사 | Method for Forming Pattern |
US7950327B2 (en) * | 2007-02-22 | 2011-05-31 | Seiko Epson Corporation | Stamping device and a media processing device |
TWI388418B (en) * | 2008-10-09 | 2013-03-11 | Hitachi Ind Equipment Sys | Precision imprinting device and its embossing load control method |
US8470489B2 (en) | 2010-05-13 | 2013-06-25 | Energyor Technologies Inc. | Method for producing bipolar plates |
GB2500383A (en) * | 2012-03-19 | 2013-09-25 | Intelligent Energy Ltd | Fuel cell fluid distribution |
DE102012102750B4 (en) * | 2012-03-29 | 2021-04-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Fuel cell element and fuel cell device |
US20150068416A1 (en) * | 2013-09-11 | 2015-03-12 | Hamilton Sundstrand Space Systems International, Inc. | Low profile laminate assemblies |
US9706684B2 (en) | 2013-12-26 | 2017-07-11 | Terrella Energy Systems Ltd. | Exfoliated graphite materials and composite materials and devices for thermal management |
US9700968B2 (en) | 2013-12-26 | 2017-07-11 | Terrella Energy Systems Ltd. | Apparatus and methods for processing exfoliated graphite materials |
US11840013B2 (en) | 2018-02-27 | 2023-12-12 | Matthews International Corporation | Graphite materials and devices with surface micro-texturing |
JP7488261B2 (en) | 2018-11-26 | 2024-05-21 | エッジ・エンボッシング・インコーポレイテッド | Thermoplastic molding tools, assemblies thereof, and methods of making and using same - Patents.com |
US20230145770A1 (en) * | 2020-04-03 | 2023-05-11 | Astraveus | Molding apparatus and method for embossing a raw material |
CN112060448A (en) * | 2020-08-28 | 2020-12-11 | 北京辉德商贸有限公司 | Panel product forming die |
CN112959725B (en) | 2021-02-02 | 2022-09-06 | 上海神力科技有限公司 | Roll forming method of flexible graphite polar plate of fuel cell |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB758036A (en) | 1954-03-01 | 1956-09-26 | British Celanese | Embossing thermoplastic sheet |
NL7202693A (en) | 1971-03-05 | 1972-09-07 | ||
US4395299A (en) * | 1981-08-21 | 1983-07-26 | The United States Of America As Represented By The Secretary Of The Army | Bonded bulk graphite and process for bonding |
GB2128691B (en) | 1982-10-01 | 1986-01-22 | T & N Materials Res Ltd | Making graphite gaskets |
JPS6012672A (en) | 1983-06-30 | 1985-01-23 | Hitachi Chem Co Ltd | Separating plate for fuel cell |
JPS6065781A (en) | 1983-09-20 | 1985-04-15 | 日立化成工業株式会社 | Impermeable expandable graphite formed body |
JPS617570A (en) | 1984-06-19 | 1986-01-14 | Hitachi Chem Co Ltd | Separating plate for fuel cell |
JPS617571A (en) | 1984-06-21 | 1986-01-14 | Hitachi Chem Co Ltd | Manufacture of separator with grooves for fuel cell |
JPS62187167A (en) * | 1986-02-10 | 1987-08-15 | 三菱油化株式会社 | Manufacture of graphite formed body |
US4752518A (en) | 1986-07-31 | 1988-06-21 | Polycarbon, Inc. | Flexible surface deformation-resistant graphite foil |
US4676515A (en) * | 1986-11-20 | 1987-06-30 | Felt Products Mfg. Co. | Composite embossed sandwich gasket with graphite layer |
JP2570402B2 (en) * | 1988-09-30 | 1997-01-08 | 日本ビクター株式会社 | Optical information recording medium molding device |
FR2643015B1 (en) * | 1989-02-14 | 1991-04-19 | Air Liquide | PROCESS FOR THE DEVELOPMENT OF AN ATMOSPHERE FOR THE MANUFACTURE OF HIGH PERFORMANCE COMPOSITE ELEMENTS BY BAG MOLDING |
US5039371A (en) | 1989-03-23 | 1991-08-13 | Lockheed Corporation | Apparatus for roll-consolidation of thermoplastic composite laminates |
US4988583A (en) | 1989-08-30 | 1991-01-29 | Her Majesty The Queen As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government | Novel fuel cell fluid flow field plate |
US5313325A (en) | 1992-07-20 | 1994-05-17 | Martin Marietta Energy Systems, Inc. | Blackbody material |
GB2269332B (en) | 1992-08-05 | 1995-07-19 | T & N Technology Ltd | Gasket manufacture |
GB9216604D0 (en) * | 1992-08-05 | 1992-09-16 | T & N Technology Ltd | Gasket manufacture |
US5300370A (en) | 1992-11-13 | 1994-04-05 | Ballard Power Systems Inc. | Laminated fluid flow field assembly for electrochemical fuel cells |
US5527363A (en) | 1993-12-10 | 1996-06-18 | Ballard Power Systems Inc. | Method of fabricating an embossed fluid flow field plate |
JP3315238B2 (en) * | 1994-02-10 | 2002-08-19 | 富士写真フイルム株式会社 | Sealing method and apparatus for vacuum treatment of photosensitive material support |
JP3258864B2 (en) | 1995-06-28 | 2002-02-18 | ニチハ株式会社 | Embossing device and embossing method for inorganic plate |
JPH09117964A (en) | 1995-10-25 | 1997-05-06 | Yokohama Rubber Co Ltd:The | Method and apparatus for molding composite material |
JP3731255B2 (en) * | 1996-07-18 | 2006-01-05 | トヨタ自動車株式会社 | Manufacturing method of current collector for fuel cell |
JPH1040937A (en) | 1996-07-18 | 1998-02-13 | Toyota Motor Corp | Manufacture of collector for fuel cell, and manufacturing device therefor |
JPH10125337A (en) | 1996-10-18 | 1998-05-15 | Nippon Carbon Co Ltd | Separator for fuel cell |
US5885728A (en) | 1997-04-04 | 1999-03-23 | Ucar Carbon Technology Corporation | Flexible graphite composite |
US5976727A (en) * | 1997-09-19 | 1999-11-02 | Ucar Carbon Technology Corporation | Electrically conductive seal for fuel cell elements |
US6037074A (en) | 1998-07-07 | 2000-03-14 | Ucar Carbon Technology Corporation | Flexible graphite composite for use in the form of a fuel cell flow field plate |
JP2000223133A (en) | 1999-01-28 | 2000-08-11 | Nippon Carbon Co Ltd | Gas channel plate-cum-separator for fuel cell |
US20030051797A1 (en) * | 2000-05-10 | 2003-03-20 | Lines Donald A. | Method for embossing expanded graphite sheet material under reduced pressure |
US6454978B1 (en) * | 2000-06-16 | 2002-09-24 | Avery Dennison Corporation | Process for making fuel cell plates |
US20030107147A1 (en) * | 2000-06-16 | 2003-06-12 | Avery Dennison Corporation | Process and apparatus for making fuel cell plates |
US20020180088A1 (en) * | 2001-04-03 | 2002-12-05 | Mitsubishi Chemical Corporation | Process for producing separator for fuel cell |
-
2000
- 2000-12-22 US US09/747,571 patent/US6797091B2/en not_active Expired - Lifetime
-
2001
- 2001-05-07 AU AU2001256040A patent/AU2001256040A1/en not_active Abandoned
- 2001-05-07 DE DE60126773T patent/DE60126773T2/en not_active Expired - Fee Related
- 2001-05-07 JP JP2001582860A patent/JP2003533001A/en active Pending
- 2001-05-07 AT AT01929157T patent/ATE354871T1/en not_active IP Right Cessation
- 2001-05-07 WO PCT/CA2001/000654 patent/WO2001086743A2/en active IP Right Grant
- 2001-05-07 EP EP01929157A patent/EP1299917B1/en not_active Expired - Lifetime
- 2001-05-07 CA CA002409544A patent/CA2409544C/en not_active Expired - Fee Related
-
2004
- 2004-06-18 US US10/871,227 patent/US20040231530A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2001086743A3 (en) | 2003-01-23 |
US20010039701A1 (en) | 2001-11-15 |
DE60126773D1 (en) | 2007-04-05 |
JP2003533001A (en) | 2003-11-05 |
CA2409544A1 (en) | 2001-11-15 |
US20040231530A1 (en) | 2004-11-25 |
US6797091B2 (en) | 2004-09-28 |
EP1299917B1 (en) | 2007-02-21 |
ATE354871T1 (en) | 2007-03-15 |
DE60126773T2 (en) | 2007-11-15 |
EP1299917A2 (en) | 2003-04-09 |
WO2001086743A2 (en) | 2001-11-15 |
CA2409544C (en) | 2009-09-15 |
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