CN103647102B - A kind of fuel cell pack assembling method and apparatus - Google Patents
A kind of fuel cell pack assembling method and apparatus Download PDFInfo
- Publication number
- CN103647102B CN103647102B CN201310669598.9A CN201310669598A CN103647102B CN 103647102 B CN103647102 B CN 103647102B CN 201310669598 A CN201310669598 A CN 201310669598A CN 103647102 B CN103647102 B CN 103647102B
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- Prior art keywords
- pile
- electrode
- bipolar plates
- thickness
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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
- H01M8/24—Grouping of fuel cells, e.g. stacking of 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
- 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
One fuel cell pack assembling method, comprising: measure the thickness that dress is piled often economize on electricity pole used and often saved bipolar plates, and surveyed electrode and bipolar plates are numbered and institute's Thickness Measurement by Microwave one_to_one corresponding typing pile electrode and bipolar plates distribution software database; The electrode of typing and bipolar plates thickness sort by distribution software from low to high, saving single pond with n is a pile, m pile composition galvanic pile module, the electrode of typing and bipolar plates thickness are a component group by n joint by distribution software, and forming the electrode of a group and bipolar plates by the sequence number in sorting by natural number from low to high at thickness of electrode and bipolar plates thickness is Y
z=i+(z-1) m composition; Use Special purpose pressing machine, suppress each pile to given size, complete pile and fix.Compared with prior art advantage of the present invention is: the consistency that can improve each pile assembling force of fuel cell module and resistance drop, has and realizes the advantages such as cost is low, structure simple, realization is convenient.
Description
Technical field
The invention belongs to field of fuel cell technology, particularly fuel cell pack packaging technology.
Background technology
Fuel cell is a kind of energy conversion device, and it is isothermally converted into electric energy the chemical energy be stored in fuel and oxidant by electrochemical principle.Proton Exchange Membrane Fuel Cells (protonexchangemembranefuelcell, PEMFC) be for electrolyte with perfluorosulfonic acid type solid polymer, platinum/charcoal or platinum-ruthenium/charcoal are eelctro-catalyst, hydrogen or purification reformed gas are oxidant, are bipolar plates with the graphite of flow channel or the metallic plate of surface modification.Its reaction principle is that the hydrogen in anode catalyst layer, under catalyst action, electrode reaction occurs, the electronics that electrode reaction produces arrives negative electrode through external circuit, hydrogen ion then arrives negative electrode through proton exchange membrane, and oxygen and hydrogen ion and electronics to react generation water at negative electrode.The output voltage of the typical fuel cell of one joint is about 1 volt, usually more piece fuel cell is integrated series connection form fuel cell pack to reach a higher voltage.
The composition of the fuel cell pack of prior art as shown in Figure 1, multiple monocell is connected together by stacked mode, composition fuel cell pack, by front end-plate, end plate and pull bar, fuel cell pack is tightened together, this mode can make the electrode of fuel cell reator body fully contact with bipolar plates on the one hand, uniform stressed, reduces the internal resistance of whole fuel cell pack, can improve the resistance to shock of fuel cell pack on the other hand.
The deficiency of prior art fuel cell pack is: because electrode and bipolar plates thickness exist certain deviation, there are two shortcomings in this pile when fastening same size composition module, one is that there is some difference for pile assembling force, and two is that pile three chamber resistance drop exists certain deviation.The existence of above-mentioned two kinds of deviations can cause the difference of Performance data, there will be consistency and decline after running a period of time, even occurs single low problem.
Summary of the invention
The object of this invention is to provide a kind of fuel cell pack assembling method, can ensure, under the condition that assembling requires, to improve the consistency between pile.
Technical scheme of the present invention is: a kind of fuel cell pack assembling method, comprise, with Special purpose pressing machine, pull bar, front end-plate, single-unit fuel cell and end plate are assembled into pile, it is characterized in that: described assemble method also comprises to the measurement of electrode and bipolar plates and grouping before dress heap, the described measurement to electrode and bipolar plates and grouping comprise:
1) measure the thickness of the used pole of often economizing on electricity of dress heap, and surveyed electrode is numbered and with institute's Thickness Measurement by Microwave one_to_one corresponding typing pile electrode and bipolar plates distribution software database;
2) measure the used thickness often saving bipolar plates of dress heap, and surveyed bipolar plates is numbered and with institute's Thickness Measurement by Microwave one_to_one corresponding typing pile electrode and bipolar plates distribution software database;
3) thickness of electrode of typing and bipolar plates thickness are pressed natural number sequence by pile electrode and bipolar plates distribution software from low to high, galvanic pile module is made up of m pile, each pile cell joint number is n, m and n be greater than 1 integer, it is that a component becomes m group that the electrode of typing saves by n with bipolar plates thickness by pile electrode and bipolar plates distribution software, often group electrode and bipolar plates are pressed from low to high natural number sequence from thickness of electrode and bipolar plates thickness respectively and are distributed by thickness, allocation order is: forming the electrode of a group and bipolar plates by the sequence number in sorting by natural number from low to high at thickness of electrode and bipolar plates thickness is Y
z=i+ (z-1) m forms, in formula: Y
zrepresent that thickness of electrode and bipolar plates thickness press the sequence number in natural number sequence from low to high, i represents i-th pile of composition galvanic pile module, z represents z cube electrode and the bipolar plates of composition i-th pile, m represents the pile number of composition galvanic pile module, i be greater than 1 integer, z is more than or equal to the integer that 1 is less than or equal to n, namely the electrode of composition corresponding to i-th pile and bipolar plates press i-th in natural number sequence by following from low to high at thickness of electrode and bipolar plates thickness, i+m, i+ (z-1) * m forms, often group is a pile, each pile of Knockdown block simultaneously,
4) use Special purpose pressing machine, suppress each pile to given size, complete pile and fix.
Compared with prior art advantage of the present invention is: the consistency that can improve each pile assembling force of fuel cell module and resistance drop, has and realizes the advantages such as cost is low, structure simple, realization is convenient.
Accompanying drawing explanation
Fig. 1 is stack structure for fuel battery schematic diagram
Fig. 2 is pile electrode and bipolar plates distribution software flow chart.
In figure, 11: end plate, 12: pull bar, 13: monocell, 14: nut.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Totally 200 economize on electricity pole and bipolar plates, are divided into two heap compositions galvanic pile module.
To the measurement of electrode and bipolar plates and grouping before dress heap:
1) measure the thickness of the used pole of often economizing on electricity of dress heap, and surveyed electrode is numbered and with institute's Thickness Measurement by Microwave one_to_one corresponding typing pile electrode and bipolar plates distribution software database;
2) measure the used thickness often saving bipolar plates of dress heap, and surveyed bipolar plates is numbered and with institute's Thickness Measurement by Microwave one_to_one corresponding typing pile electrode and bipolar plates distribution software database;
3) thickness of electrode of typing and bipolar plates thickness are pressed natural number sequence by pile electrode and bipolar plates distribution software from low to high, galvanic pile module is made up of m pile, each pile cell joint number is n, m and n be greater than 1 integer, it is that a component becomes m group that the electrode of typing saves by n with bipolar plates thickness by pile electrode and bipolar plates distribution software, often group electrode and bipolar plates are pressed from low to high natural number sequence from thickness of electrode and bipolar plates thickness respectively and are distributed by thickness, allocation order is: forming the electrode of a group and bipolar plates by the sequence number in sorting by natural number from low to high at thickness of electrode and bipolar plates thickness is Y
z=i+ (z-1) m forms, in formula: Y
zrepresent that thickness of electrode and bipolar plates thickness press the sequence number in natural number sequence from low to high, i represents i-th pile of composition galvanic pile module, z represents z cube electrode and the bipolar plates of composition i-th pile, m represents the pile number of composition galvanic pile module, i be greater than 1 integer, z is more than or equal to the integer that 1 is less than or equal to n, namely the electrode of composition corresponding to i-th pile and bipolar plates press i-th in natural number sequence by following from low to high at thickness of electrode and bipolar plates thickness, i+m, i+ (z-1) m forms, often group is a pile, each pile of Knockdown block simultaneously.Be specially: the i-1 of composition the 1st pile, m=2, z=1 ~ 100, corresponding Y
zrespectively:
Y
1＝1+(1-1)*2＝1，
Y
2＝1+(2-1)*2＝3，
Y
3＝1+(3-1)*2＝5，
……、
Y
100＝1+(100-1)*2＝199；
Form the i-2 of the 2nd pile, m=2, z=1 ~ 100, corresponding Y
zrespectively:
Y
1＝2+(1-1)*2＝2，
Y
2＝2+(2-1)*2＝4，
Y
3＝2+(3-1)*2＝6，
……
Y
100＝2+(100-1)*2＝200；
4) use Special purpose pressing machine, suppress each pile to given size, complete pile and fix.
Claims (1)
1. a fuel cell pack assembling method, comprise, with Special purpose pressing machine, pull bar, front end-plate, single-unit fuel cell and end plate are assembled into pile, it is characterized in that: described assemble method also comprises to the measurement of electrode and bipolar plates and grouping before dress heap, the described measurement to electrode and bipolar plates and grouping comprise:
1) measure the thickness of the used pole of often economizing on electricity of dress heap, and surveyed electrode is numbered and with institute's Thickness Measurement by Microwave one_to_one corresponding typing pile electrode and bipolar plates distribution software database;
2) measure the used thickness often saving bipolar plates of dress heap, and surveyed bipolar plates is numbered and with institute's Thickness Measurement by Microwave one_to_one corresponding typing pile electrode and bipolar plates distribution software database;
3) thickness of electrode of typing and bipolar plates thickness are pressed natural number sequence by pile electrode and bipolar plates distribution software from low to high, galvanic pile module is made up of m pile, each pile cell joint number is n, m and n be greater than 1 integer, it is that a component becomes m group that the electrode of typing saves by n with bipolar plates thickness by pile electrode and bipolar plates distribution software, often group electrode and bipolar plates are pressed from low to high natural number sequence from thickness of electrode and bipolar plates thickness respectively and are distributed by thickness, allocation order is: forming the electrode of a group and bipolar plates by the sequence number in sorting by natural number from low to high at thickness of electrode and bipolar plates thickness is Y
z=i+ (z-1) m forms, in formula: Y
zrepresent that thickness of electrode and bipolar plates thickness press the sequence number in natural number sequence from low to high, i represents i-th pile of composition galvanic pile module, z represents z cube electrode and the bipolar plates of composition i-th pile, m represents the pile number of composition galvanic pile module, i be greater than 1 integer, z is more than or equal to the integer that 1 is less than or equal to n, namely the electrode of composition corresponding to i-th pile and bipolar plates press i-th in natural number sequence by following from low to high at thickness of electrode and bipolar plates thickness, i+m, i+ (z-1) * m forms, often group is a pile, each pile of Knockdown block simultaneously,
4) use Special purpose pressing machine, suppress each pile to given size, complete pile and fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669598.9A CN103647102B (en) | 2013-12-10 | 2013-12-10 | A kind of fuel cell pack assembling method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310669598.9A CN103647102B (en) | 2013-12-10 | 2013-12-10 | A kind of fuel cell pack assembling method and apparatus |
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| CN103647102A CN103647102A (en) | 2014-03-19 |
| CN103647102B true CN103647102B (en) | 2015-11-25 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10388979B2 (en) * | 2017-05-04 | 2019-08-20 | GM Global Technology Operations LLC | Method of manufacturing a fuel cell stack |
| CN107204481B (en) * | 2017-06-20 | 2019-06-25 | 大连理工大学 | A kind of high reliability fuel cell stack enclosure design method |
| CN111267014B (en) * | 2018-12-05 | 2021-07-13 | 中国科学院大连化学物理研究所 | Locating rod for limiting assembled fuel cell stack |
| CN112254868B (en) * | 2020-09-09 | 2022-03-01 | 东风汽车集团有限公司 | Bipolar plate cooling liquid pressure drop measuring device and stack battery pack stacking method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083335A (en) * | 2006-05-31 | 2007-12-05 | 中国科学院大连化学物理研究所 | Fuel cell unit structure and electric pile assembly |
| CN201122630Y (en) * | 2007-11-12 | 2008-09-24 | 汉能科技有限公司 | Piling machine for fuel cell electric pile |
| CN101969131A (en) * | 2010-09-14 | 2011-02-09 | 江苏新源动力有限公司 | Single-cell assembly and test tool of fuel cell |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010257586A (en) * | 2009-04-21 | 2010-11-11 | Toyota Motor Corp | Manufacturing method of fuel cell |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101083335A (en) * | 2006-05-31 | 2007-12-05 | 中国科学院大连化学物理研究所 | Fuel cell unit structure and electric pile assembly |
| CN201122630Y (en) * | 2007-11-12 | 2008-09-24 | 汉能科技有限公司 | Piling machine for fuel cell electric pile |
| CN101969131A (en) * | 2010-09-14 | 2011-02-09 | 江苏新源动力有限公司 | Single-cell assembly and test tool of fuel cell |
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| CN103647102A (en) | 2014-03-19 |
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Effective date of registration: 20190715 Address after: 116085 No. 907 Huangpu Road, Dalian High-tech Park, Liaoning Province Co-patentee after: Saic Motor Corporation Limited Patentee after: Sunrise Power Co., Ltd. Address before: 116085 No. 907 Huangpu Road, Dalian High-tech Park, Liaoning Province Patentee before: Sunrise Power Co., Ltd. |