CN101510616B - Support polar plate of passive self respiration direct fuel liquid battery - Google Patents
Support polar plate of passive self respiration direct fuel liquid battery Download PDFInfo
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- CN101510616B CN101510616B CN2009100667245A CN200910066724A CN101510616B CN 101510616 B CN101510616 B CN 101510616B CN 2009100667245 A CN2009100667245 A CN 2009100667245A CN 200910066724 A CN200910066724 A CN 200910066724A CN 101510616 B CN101510616 B CN 101510616B
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- 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
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention proposes a supporting pole plate of a passive self-breathing direct fluid fuel battery. The supporting pole plate comprises a supporting plate, a groove shaped flow field and flow collecting materials; the supporting pole plate consists of an anode supporting pole plate and a cathode supporting pole plate which have the same structure; the groove shaped flow field is a parallel flow field or a punctate flow field in a determinant permutation pattern; and the flow collecting materials are aureate stainless steel nets and titanium nets. The supporting plate is a reinforcement plate of unsaturated polyester glass fiber. The flow field can be engraved in the supporting plate and be used as the pole plate of the direct fluid fuel battery when being matched with the flow collecting materials. The composite materials of the supporting pole plate have better heat resistance, insulating ability, water resistance, chemical resistance, aging resistance and rather high mechanical processing properties. The groove shaped flow field can lead to tighter contact between the membrane electrode and the flow collecting materials, thereby lowering the contact resistance of the battery. The supporting pole plate is lighter than the stainless steel plate, has stronger supporting strength than the graphite plate and is not fragile. When a battery pack is manufactured, each single battery can be integrated onto one supporting plate to be manufactured as the supporting plate is not conductive.
Description
Technical field
The present invention relates to the support polar plate of passive self respiration direct fuel liquid battery.
Background technology
Self respiration direct fuel liquid battery is the electrochemical reaction appts that a kind of direct employing liquid fuel (liquid fuels such as methyl alcohol, formic acid, ethanol) and airborne oxygen convert chemical energy to electric energy.Because its energy conversion efficiency height, simple in structure, safe and reliable, cleaning is clean, does not need complicated additional equipment such as reformation, heating, cooling device, compression pump, fans etc. are considered to most possibly at first realize commercial applications, have very wide application prospect in fields such as small portable portable power source and transducers.
The core component of self respiration direct fuel liquid battery is membrane electrode (MEA), and it is made up of a proton exchange membrane and cathode electrode, anode electrode.As diffusion layer, reactant carries out electrochemical reaction by the Catalytic Layer that diffusion layer arrives in the electrode by the higher carbon paper of conductivity or carbon cloth for the electrode outside.When being assembled into battery, the membrane electrode both sides are afflux material and support polar plate.This pole plate can be played a supporting role, and membrane electrode and afflux material is closely contacted reducing resistance, and help the dispersion and the transmission of reactant and product.Pole plate can be divided into unipolar plate and bipolar plates, and the passive self-breathing fuel cell generally adopts unipolar plate.Yet the research for pole plate at present mainly concentrates on bipolar plates, for example applies for a patent (application number 200710157448.4,200710172148.3,200610129486.4,200610145083.9,01124227.2,01124228.0,02155187.1,99811792.7,02132327.5 etc.) they are mainly active fuel cell service, be not adapted at using above the passive type fuel cell, and about the research work of the unipolar plate of passive self-breathing fuel cell, report still less.
At present, the pole plate that adopts in self respiration direct fuel liquid battery is generally stainless steel, graphite or some other composite material (Journal of Power Sources 128 (2004) 119-124, Journal of Power Sources 167 (2007) 455-460, Nature 414 (2001) 345-352).Adopt stainless steel substrates, because its density is big, the pole plate mass ratio of gained is bigger, and needs complicated preservative treatment, and is not suitable as the pole plate of portable fuel battery power supply; Adopt graphite material, because its price height, density is big, and graphite is very crisp, and that can not do is very thin, so be necessary to select suitable plate material.
Therefore, select a kind of density less, price comparison is cheap, has higher support strength, and corrosion-resistant material is as the pole plate of direct fuel liquid battery, and is most important for the commercial applications that realizes portable fuel battery.
Summary of the invention
In order to solve the existing problem that exists, the invention provides the support polar plate of passive self respiration direct fuel liquid battery.
The support polar plate of passive self respiration direct fuel liquid battery, the formation of described passive self respiration direct fuel liquid battery comprise window type fuel storage chamber, support polar plate and three in one membreane electrode; The liquid fuel that adopts is that methyl alcohol, formic acid or ethanol are as reactant; It is characterized in that the formation of described support polar plate comprises supporting bracket, groove shape flow field and afflux material; Described support polar plate comprises cathode support pole plate and anode-supported pole plate, and the identical and pairing of the formation of cathode support pole plate and anode-supported pole plate is used; Described groove shape flow field is the point-like flow field that parallel flow field or determinant are arranged; When the assembling passive self respiration direct fuel liquid battery, the groove shape flow field of the anode-supported plate of selection or cathode branch fagging is identical or different;
As shown in Figure 1, 2 be that groove shape flow field is the support polar plate of parallel flow field, it is constructed as follows:
Engraving groove shape flow field is a parallel flow field on the supporting bracket 1, the support rib 4 of parallel flow field and mass transfer runner 5 alternate layouts, afflux material lead wire outlet 2 is communicated with groove shape flow field, and the depth of groove in groove shape flow field equates with the single-sided electrode thickness sum of afflux material and three in one membreane electrode; Netted afflux material 6 is embedded in the support polar plate that just obtains parallel flow field on the groove shape flow field; Fixing hole 3 on the supporting bracket can be fixed on support polar plate on the battery container;
In order to be beneficial to the transmission of reactant and product, the floor space of the mass transfer runner in groove shape flow field is the 40%-60% of the floor space in whole flow field.
The groove shape flow field that is shown in Fig. 3,4 is the support polar plate in the point-like flow field of determinant arrangement, the difference of its formation is that the parallel flow field in groove shape flow field replaces with the point-like flow field that determinant is arranged, the circular hole that the mass transfer channel in the point-like flow field that determinant is arranged is, the area that the area of circular hole accounts for groove shape flow field is 40%-60%; Remaining is that the support polar plate of parallel flow field is identical with the groove shape flow field shown in Fig. 1,2;
The formation of described cathode support pole plate is identical with the anode-supported pole plate, and pairing is used;
When the assembling passive self respiration direct fuel liquid battery, the groove shape flow field of the anode-supported plate of selection or cathode branch fagging is identical or different;
Described supporting bracket is the unsaturated polyester glass fiber reinforcement plate, be by the chain macromolecule compound with ester bond and unsaturated double-bond of dihydroxylic alcohols and all or part of unsaturated dibasic acid condensation polymerization gained, adopt glass fibre to strengthen the composite material of its mechanical performance again; This supporting bracket can be bought on market, and its thickness is 1-3mm;
Described netted afflux material 6 is gold-plated stainless (steel) wire or titanium net.
A kind of passive self respiration direct fuel liquid battery support polar plate of the present invention can be used for passive type monocell support polar plate and plane passive self respiration direct fuel liquid battery group support polar plate.
When assembled battery, earlier the anode-supported pole plate is fixed on the window type battery container, add three in one membreane electrode, the anode side electrode of three in one membreane electrode is contacted with the anode-supported pole plate, the cathode side electrode of three in one membreane electrode is contacted with the cathode support pole plate, fixing, sealing obtains completed cell.
Fig. 5, Fig. 6 are that groove shape flow field is the support polar plate formation schematic diagram of the passive self respiration direct fuel liquid battery group of parallel flow field.This battery pack is made up of 5 single cell units.
Fig. 7, Fig. 8 are that groove shape flow field is that the support polar plate of the passive self respiration direct fuel liquid battery group in the determinant point-like flow field of arranging constitutes schematic diagram.This battery pack is made up of 5 single cell units.
Beneficial effect: the composite material of the support polar plate of a kind of passive self respiration direct fuel liquid battery of the present invention has better thermal endurance, insulating properties, water-fast and chemically-resistant, ageing-resistant, and very high machining property is arranged.Groove shaped flow field can make membrane electrode contact with the afflux material is tightr, can reduce the contact resistance of battery.This support polar plate is compared with corrosion resistant plate, and is lighter; Than graphite cake support strength height, be difficult for broken.When making battery pack, because supporting bracket is non-conductive, each monocell can be integrated on the supporting bracket and make.
Description of drawings
Fig. 1, the 2nd, groove shape flow field is that the support polar plate of the passive self respiration direct fuel liquid battery of parallel flow field constitutes schematic diagram.
Fig. 3, the 4th, groove shape flow field is that the support polar plate of the passive self respiration direct fuel liquid battery in the determinant point-like flow field of arranging constitutes schematic diagram.
Fig. 5, the 6th, groove shape flow field is that the support polar plate of the passive self respiration direct fuel liquid battery group of parallel flow field constitutes schematic diagram.This battery pack is made up of 5 single cell units.
Fig. 7, the 8th, groove shape flow field is that the support polar plate of the passive self respiration direct fuel liquid battery group in the determinant point-like flow field of arranging constitutes schematic diagram.This battery pack is made up of 5 single cell units.
Embodiment
The support polar plate of passive self respiration direct fuel liquid battery, the formation of described passive self respiration direct fuel liquid battery comprise window type fuel storage chamber, support polar plate and three in one membreane electrode; The liquid fuel that adopts is that methyl alcohol, formic acid or ethanol are as reactant; It is characterized in that the formation of described support polar plate comprises supporting bracket, groove shape flow field and afflux material; Described support polar plate comprises cathode support pole plate and anode-supported pole plate, and the identical and pairing of the formation of cathode support pole plate and anode-supported pole plate is used; Described groove shape flow field is the point-like flow field that parallel flow field or determinant are arranged; When the assembling passive self respiration direct fuel liquid battery, the groove shape flow field of the anode-supported plate of selection or cathode branch fagging is identical or different;
As shown in Figure 1, 2, groove shape flow field is the support polar plate of the passive self respiration direct fuel liquid battery of parallel flow field, it is constructed as follows: the groove shape flow field of carving out on the supporting bracket 1 is a parallel flow field, support rib 4 and mass transfer runner 5 alternate layouts, afflux material lead wire outlet 2 is communicated with groove shape flow field, the depth of groove in groove shape flow field and afflux material and single-sided electrode thickness sum equate;
Described passive self respiration direct fuel liquid battery effective area is 3cm * 3cm.This battery container is of a size of 5cm * 5cm, and supporting bracket is the glass fiber reinforcement unsaturated polyester plate of 5cm * 5cm * 1.5mm, and the afflux material is the net of gold-plated stainless steel 316 material preparations, is of a size of 3cm * 3cm * 0.3mm; On above-mentioned supporting bracket, carve out and be of a size of 3cm * 3cm * 0.5mm groove shape flow field, groove shape flow field is a parallel flow field, and wherein, support rib 4 is of a size of 0.2cm * 3cm * 1mm, the mass transfer runner 5 of parallel flow field is of a size of 0.2cm * 3cm, and lead-in wire is of a size of 2cm * 2mm.
Netted afflux material 6 is embedded on the groove shape flow field, obtains the anode-supported plate that groove shape flow field is the passive self respiration direct fuel liquid battery of parallel flow field.
The formation of the anode-supported plate of the passive self respiration direct fuel liquid battery that the cathode branch fagging of passive self respiration direct fuel liquid battery and the above-mentioned groove shape flow field that obtains are parallel flow field is identical.
When assembled battery, the support polar plate that with described groove shape flow field is the passive self respiration direct fuel liquid battery of parallel flow field earlier is fixed on the window type battery container, add three in one membreane electrode, the anode side electrode of three in one membreane electrode is contacted with this anode-supported pole plate, the cathode side electrode that makes three in one membreane electrode and described groove shape flow field are that the cathode branch fagging of the passive self respiration direct fuel liquid battery in the determinant point-like flow field of arranging contacts, fixing, sealing obtains completed cell.
The groove shape flow field that be of embodiment 2 shown in Fig. 3,4 is the support polar plate in the point-like flow field of determinant arrangement, the difference of its formation is that groove shape flow field is the point-like flow field that determinant is arranged, the mass transfer runner in the point-like flow field that described determinant is arranged is a circular hole, and its diameter dimension is 3mm; In order to be beneficial to the transmission of reactant and product, the area that the area of the circular hole that the determinant in groove shape flow field is arranged accounts for groove shape flow field is greater than 40%; Remaining comprises that the preparation method is that the support polar plate of parallel flow field is identical with the groove shape flow field of embodiment 1 all.
Plane passive self respiration direct fuel liquid battery group uses support polar plate provided by the invention and preparation method with embodiment 1.As Fig. 5, shown in Figure 6, this plane passive self respiration direct fuel liquid battery group is made up of 5 monocells, and wherein monocell is of a size of 1.2cm * 4.2cm; Because described supporting bracket is non-conductive, battery pack can be integrated in a supporting bracket, can be used as an integral body and assembles, and is comparatively convenient.Assembling, sealing is simpler than adopting graphite and corrosion resistant plate.And adopt traditional graphite cake, corrosion resistant plate, because it has conductivity, each monocell must separately be assembled, and can not contact otherwise has just become a whole macrocell, thereby increase difficulty and cost.
Fig. 5,6 is the anode-supported pole plate of the plane passive type compact battery group be made up of 5 monocells.13 is the unsaturated polyester (UP) supporting bracket, and 14 is parallel rectangular channel flow field, and 15 is afflux material lead outlet, and 16 is the parallel flow field support rib, and 17 is parallel flow field mass transfer runner, and 18 is the netted afflux material of monocell.
Fig. 7, the 8th, groove shape flow field is that the support polar plate of the passive self respiration direct fuel liquid battery group in the determinant point-like flow field of arranging constitutes schematic diagram.
Groove shape flow field shown in Fig. 7,8 is the support polar plate in the point-like flow field of determinant arrangement, and its groove shape flow field is the point-like flow field that determinant is arranged, and the mass transfer runner in the point-like flow field that described determinant is arranged is a circular hole, and Circularhole diameter is of a size of 3mm; In order to be beneficial to the transmission of reactant and product, the area that the area of the circular hole that the determinant in groove shape flow field is arranged accounts for groove shape flow field is greater than 40%, and passive self respiration direct fuel liquid pond, plane group uses point-like flow field support polar plate that determinant provided by the invention arranges and preparation method with embodiment 2.
Fig. 7,8 is the anode-supported pole plate of the plane passive type compact battery group be made up of 5 monocells.19 is the unsaturated polyester (UP) supporting bracket, and 20 is groove shaped point-like flow field, and 21 is afflux material lead outlet, and 22 is fixing hole, and 23 is point-like flow field support rib, and 24 is point-like flow field mass transfer runner, and 25 is netted afflux material.
Claims (1)
1. the support polar plate of passive self respiration direct fuel liquid battery, the formation of described passive self respiration direct fuel liquid battery comprises window type fuel storage chamber, support polar plate and three in one membreane electrode; The liquid fuel that adopts is that methyl alcohol, formic acid or ethanol are as reactant; It is characterized in that the formation of described support polar plate comprises supporting bracket, groove shape flow field and afflux material; Described support polar plate comprises cathode support pole plate and anode-supported pole plate, and the identical and pairing of the formation of cathode support pole plate and anode-supported pole plate is used; Described groove shape flow field is the point-like flow field that parallel flow field or determinant are arranged; When the assembling passive self respiration direct fuel liquid battery, the groove shape flow field of the anode-supported plate of selection or cathode branch fagging is identical or different;
Described groove shape flow field is being constructed as follows of support polar plate of parallel flow field: it is parallel flow field that supporting bracket (1) goes up engraving groove shape flow field, support rib of parallel flow field (4) and the alternate layout of mass transfer runner (5), afflux material lead wire outlet (2) is communicated with groove shape flow field, and the depth of groove in groove shape flow field equates with the single-sided electrode thickness sum of afflux material and three in one membreane electrode; Netted afflux material (6) is embedded in the support polar plate that just obtains parallel flow field on the groove shape flow field; The floor space of the mass transfer runner in groove shape flow field is the 40%-60% of the floor space in whole flow field; Fixing hole on the supporting bracket (3) is fixed on supporting bracket on the battery container;
Described supporting bracket is the unsaturated polyester glass fiber reinforcement plate, and its thickness is 1-3mm;
Described netted afflux material (6) is gold-plated stainless (steel) wire or titanium net;
Described groove shape flow field is being constructed as follows of support polar plate in the determinant point-like flow field of arranging: the difference of its formation is that the parallel flow field in groove shape flow field replaces with the point-like flow field that determinant is arranged, mass transfer channel on the point-like flow field that determinant is arranged is a circular hole, and the area that the area of circular hole accounts for groove shape flow field is 40%-60%; Remaining is that the support polar plate of parallel flow field is identical with groove shape flow field.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100667245A CN101510616B (en) | 2009-03-31 | 2009-03-31 | Support polar plate of passive self respiration direct fuel liquid battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100667245A CN101510616B (en) | 2009-03-31 | 2009-03-31 | Support polar plate of passive self respiration direct fuel liquid battery |
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| CN101510616A CN101510616A (en) | 2009-08-19 |
| CN101510616B true CN101510616B (en) | 2011-01-19 |
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Families Citing this family (2)
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| EP2774200A1 (en) * | 2011-11-01 | 2014-09-10 | Turun Yliopisto | A method for manufacturing a passive direct methanol fuel cell and a passive direct methanol fuel cell |
| CN104037442A (en) * | 2014-05-30 | 2014-09-10 | 杭州电子科技大学 | Polymer double-pole end plate laminated type passive direct methanol fuel cell set |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030180594A1 (en) * | 2002-03-20 | 2003-09-25 | Samsung Sdi Co. Ltd. | Air breathing direct methanol fuel cell pack |
| US6986961B1 (en) * | 2001-08-29 | 2006-01-17 | The Regents Of The University Of California | Fuel cell stack with passive air supply |
| CN200969373Y (en) * | 2006-10-26 | 2007-10-31 | 重庆大学 | Self-breathing direct methanol fuel cell |
| CN101071880A (en) * | 2007-05-21 | 2007-11-14 | 哈尔滨工业大学 | Serial battery for passive self-breathing direct methanol fuel cell |
-
2009
- 2009-03-31 CN CN2009100667245A patent/CN101510616B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6986961B1 (en) * | 2001-08-29 | 2006-01-17 | The Regents Of The University Of California | Fuel cell stack with passive air supply |
| US20030180594A1 (en) * | 2002-03-20 | 2003-09-25 | Samsung Sdi Co. Ltd. | Air breathing direct methanol fuel cell pack |
| CN200969373Y (en) * | 2006-10-26 | 2007-10-31 | 重庆大学 | Self-breathing direct methanol fuel cell |
| CN101071880A (en) * | 2007-05-21 | 2007-11-14 | 哈尔滨工业大学 | Serial battery for passive self-breathing direct methanol fuel cell |
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Owner name: CHANGZHOU INSTITUTE OF ENERGY STORAGE MATERIALS + Free format text: FORMER OWNER: CHANGCHUN INST. OF APPLIED CHEMISTRY, CHINESE ACADEMY OF SCIENCES Effective date: 20131212 |
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Effective date of registration: 20131212 Address after: Changzhou City, Jiangsu province Hehai road 213000 No. 9 Patentee after: Changzhou Institute of Energy Storage Materials & Devices Address before: 130022 Changchun people's street, Jilin, No. 5625 Patentee before: Changchun Institue of Applied Chemistry, Chinese Academy of Sciences |