CN103454499B - The measuring method of longitudinal resistance value of carbon felt electrode material of flow cell - Google Patents
The measuring method of longitudinal resistance value of carbon felt electrode material of flow cell Download PDFInfo
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- CN103454499B CN103454499B CN201310421012.7A CN201310421012A CN103454499B CN 103454499 B CN103454499 B CN 103454499B CN 201310421012 A CN201310421012 A CN 201310421012A CN 103454499 B CN103454499 B CN 103454499B
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- carbon felt
- electrode material
- felt electrode
- flow battery
- resistance value
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Abstract
The measuring method of longitudinal resistance value of carbon felt electrode material of flow cell, relates to the measuring technique of carbon felt electrode material for flow battery resistance.Carbon felt electrode material for flow battery to be measured is placed on the spring suppport of an insulation, a counterweight is placed above carbon felt electrode material for flow battery again above spring suppport, and a wire is clamped between carbon felt electrode material for flow battery and counterweight, another root wire is clamped between carbon felt electrode material for flow battery and spring suppport, the other end of two wires is connected on a resistance measurement instrument, then from resistance measurement instrument, directly can reads the longitudinal electrical resistance value of carbon felt electrode material.The present invention is reliably easy, accurately can measure the longitudinal electrical resistance value of carbon felt electrode, for the assembling of flow battery and the preparation of carbon felt electrode provide basic data.
Description
Technical field
The present invention relates to storage battery production technology, particularly the measuring technique of carbon felt electrode material for flow battery resistance.
Background technology
Redox flow batteries has the advantages such as electric current transfer capability is good, structural design is flexible, cost is reasonable, easy and simple to handle, is a kind of novel green secondary cell being applicable to extensive electric power storage energy storage.Different from generic electrochemical cell, the electrode material of flow battery does not participate in electrode reaction, the effect of electrode is for both positive and negative polarity ion-conductance is to providing the place that redox reaction occurs, and provides the passage of conveying electronic, and therefore electrode material is the core component determining flow battery energy efficiency.
Current business-like flow battery generally adopts PAN carbon felt electrode material.PAN carbon felt is the felt body adopting the technique such as lapping, acupuncture to be made up through pre-oxidation, carbonization and other processes of polyacrylonitrile-based precursor.
Because felt body has certain thickness, and preparation process condition is comparatively large on its horizontal, longitudinal carbon fiber impact, therefore causes carbon felt electrode material in flow battery, produce certain internal resistance, thus affects flow battery efficiency.Not yet there is a set of scientific and precise and the resistance measurement method of easy reliable carbon felt electrode material at present.
Summary of the invention
The present invention seeks to propose a kind of measuring method facilitating feasible longitudinal resistance value of carbon felt electrode material of flow cell.
The inventive method is: carbon felt electrode material for flow battery to be measured be placed on the spring suppport of an insulation, a counterweight is placed above carbon felt electrode material for flow battery again above spring suppport, and a wire is clamped between carbon felt electrode material for flow battery and counterweight, another root wire is clamped between carbon felt electrode material for flow battery and spring suppport, the other end of two wires is connected on a resistance measurement instrument, then from resistance measurement instrument, directly can reads the longitudinal electrical resistance value of carbon felt electrode material.
Because carbon felt electrode can be subject to certain compaction forces in the battery, by limiting the resistance value that counterbalance mass M can obtain under different compaction forces, the resistance that the thickness H of carbon felt electrode material for flow battery to be measured mainly limits measurement is line resistance.Under these two qualificationss, longitudinal electrical resistance can directly be read by resistance meter.The longitudinal electrical resistance value read is before the thickness H of counterbalance mass M and carbon felt electrode material is under topic condition.
Carbon felt electrode material is longitudinally subject to certain compaction forces in flow battery, the compaction forces of its longitudinal surface equivalent can be converted to the counterweight with certain contact area, and be subject to the impact of gravity due to upper strata counterweight, therefore treating that spring suppport is placed by the lower floor of carbon determination felt, the compaction forces that upper and lower surface is subject to is consistent.Levels surface of contact area equation and vertically stressed, ensures the thickness of the vertical carbon felt of the Impact direction of longitudinal compaction forces.The present invention is reliably easy, accurately can measure the longitudinal electrical resistance value of carbon felt electrode, for the assembling of flow battery and the preparation of carbon felt electrode provide basic data.
Accompanying drawing explanation
Fig. 1 is measuring state schematic diagram of the present invention.
Embodiment
As shown in Figure 1, measuring method is:
Carbon felt electrode material for flow battery 1 to be measured is placed on the spring suppport 2 of an insulation, a counterweight 3 is placed above carbon felt electrode material for flow battery 1 again above spring suppport 2, and a wire 4 is clamped between carbon felt electrode material for flow battery 1 and counterweight 3, between carbon felt electrode material for flow battery 1 and spring suppport 2, clamp another root wire 5, the other end of two wires 4,5 is connected on a resistance measurement instrument 6.
Record the weight M of counterweight 3, the thickness H of carbon felt electrode material for flow battery 1 to be measured.
Then from resistance measurement instrument 6, directly can read the longitudinal electrical resistance value of carbon felt electrode material for flow battery.This resistance value is the resistance value before the weight M of counterweight 3, the thickness H of carbon felt electrode material for flow battery 1 to be measured are under topic condition.
Claims (1)
1. the measuring method of longitudinal resistance value of carbon felt electrode material of flow cell, carbon felt electrode material for flow battery to be measured is it is characterized in that to be placed on the spring suppport of an insulation, a counterweight is placed above carbon felt electrode material for flow battery again above spring suppport, and a wire is clamped between carbon felt electrode material for flow battery and counterweight, another root wire is clamped between carbon felt electrode material for flow battery and spring suppport, the other end of two wires is connected on a resistance measurement instrument, from resistance measurement instrument, then directly can read the longitudinal electrical resistance value of carbon felt electrode material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310421012.7A CN103454499B (en) | 2013-09-16 | 2013-09-16 | The measuring method of longitudinal resistance value of carbon felt electrode material of flow cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310421012.7A CN103454499B (en) | 2013-09-16 | 2013-09-16 | The measuring method of longitudinal resistance value of carbon felt electrode material of flow cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103454499A CN103454499A (en) | 2013-12-18 |
| CN103454499B true CN103454499B (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310421012.7A Expired - Fee Related CN103454499B (en) | 2013-09-16 | 2013-09-16 | The measuring method of longitudinal resistance value of carbon felt electrode material of flow cell |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576607A (en) * | 2009-06-10 | 2009-11-11 | 北京健翔顺鑫科技有限公司 | Method for detecting nickel-hydrogen battery separator wet electric resistance and device thereof |
| CN102012461A (en) * | 2010-10-27 | 2011-04-13 | 峨嵋半导体材料研究所 | Method for testing electrical resistivity of high-resistivity silicon |
| CN201945636U (en) * | 2010-12-24 | 2011-08-24 | 上海中兴派能能源科技有限公司 | Device for testing resistivity of lithium battery material |
| CN202649398U (en) * | 2011-11-11 | 2013-01-02 | 旺矽科技股份有限公司 | Needle pressure detection circuit and point measurement system using same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004279270A (en) * | 2003-03-17 | 2004-10-07 | Nidec-Read Corp | Resistance measuring instrument, substrate inspection device, and substrate inspection method |
| JP2011053033A (en) * | 2009-08-31 | 2011-03-17 | Pentel Corp | Apparatus for evaluation of coordinates input panel |
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2013
- 2013-09-16 CN CN201310421012.7A patent/CN103454499B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576607A (en) * | 2009-06-10 | 2009-11-11 | 北京健翔顺鑫科技有限公司 | Method for detecting nickel-hydrogen battery separator wet electric resistance and device thereof |
| CN102012461A (en) * | 2010-10-27 | 2011-04-13 | 峨嵋半导体材料研究所 | Method for testing electrical resistivity of high-resistivity silicon |
| CN201945636U (en) * | 2010-12-24 | 2011-08-24 | 上海中兴派能能源科技有限公司 | Device for testing resistivity of lithium battery material |
| CN202649398U (en) * | 2011-11-11 | 2013-01-02 | 旺矽科技股份有限公司 | Needle pressure detection circuit and point measurement system using same |
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| CN103454499A (en) | 2013-12-18 |
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