CN206022528U - A kind of zinc bromine single flow battery structure - Google Patents
A kind of zinc bromine single flow battery structure Download PDFInfo
- Publication number
- CN206022528U CN206022528U CN201621069631.XU CN201621069631U CN206022528U CN 206022528 U CN206022528 U CN 206022528U CN 201621069631 U CN201621069631 U CN 201621069631U CN 206022528 U CN206022528 U CN 206022528U
- Authority
- CN
- China
- Prior art keywords
- electrolyte
- positive pole
- zinc
- negative
- barrier film
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- 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
Landscapes
- Hybrid Cells (AREA)
Abstract
This utility model is related to a kind of zinc bromine single flow battery structure, and anode is porous material or is provided with cavity between positive pole and barrier film, is filled with electrolyte in the cavity in the porous material hole of positive pole or between positive pole and barrier film.When battery is run for the first time, electrolyte is via inculcating into positive pole with valvular pipeline.The battery has that energy density is high, has extended cycle life, low cost, structure and the characteristics of simple manufacturing process.
Description
Technical field
This utility model is related to single flow battery technical field, more particularly to zinc bromine single flow battery construction applications.
Background technology
Zinc-bromine flow battery (Zinc-bromine redox flow battery, ZBB) be a kind of low cost, high efficiency,
Environmentally friendly liquid flow energy storage battery, with energy density and current efficiency height, simply steerable device, long service life,
The advantages of with low cost, it is mainly used in the neck such as the renewable energy power generations such as peak load regulation network, wind energy and solar energy, electric automobile
Domain.
Traditional zinc-bromine flow battery is designed using double pump, dual circuit, in charge and discharge process, drives electrolysis with circulating pump
Liquid is in battery internal circulation flow.When battery does not work, electrolyte is extracted out from cell cavity, is stored in hopper, is made in battery
Electrolyte open circuit is realized between portion's both positive and negative polarity, positive pole Charging state bromine can be prevented to be diffused into negative pole and chemical reaction is occurred directly and is drawn
Play self discharge.When circular electrolyte is also prevented from charging simultaneously, zinc dendrite growth makes both positive and negative polarity short circuit through barrier film.
But as zinc-bromine flow battery needs the electrolyte circulation systems such as circulating pump, hopper, result in zinc bromine liquid stream
The energy efficiency of battery is reduced due to the impact of system loss, and on the other hand these battery auxiliary equipments cause zinc bromine liquid stream electricity
Cell system complex structure, is unfavorable for miniaturization, reduces the energy density of battery.
A kind of zinc bromine accumulator is described for this patent CN99245261.9, it eliminates the circulation of zinc-bromine flow battery
The electrolyte circulation systems such as pump, hopper, make battery structure simple and compact, reduce system energy consumption.But, due to both sides equal
Using designing without pump, the actual energy density that result in battery is relatively low, it is impossible to high current charge-discharge.Therefore, research worker invention
A kind of zinc bromine single flow battery technology, cancels positive pole circulation line, and positive pole is using the mixing of active substance, chelating agent and material with carbon element
Apply the mode of cream, complex structure.And, although the method that positive pole coats active substance using carbon felt so that positive pole need not be carried out
The fill of electrolyte, but there is also that positive pole intracavity activity substance content is less, affect the charging capacity of battery.
Utility model content
This utility model proposes a kind of zinc bromine single flow battery structure, and is improved according to this structure for the problems referred to above
Electrolyte circulation system.
For achieving the above object, the technical solution adopted in the utility model is as follows,
A kind of zinc bromine single flow battery structure, defeated including zinc-bromine bettery, electrolyte fluid reservoir, circulating pump, electrolyte liquid
Enter pipeline and electrolyte liquid output pipe,
Zinc-bromine bettery includes positive pole, barrier film, negative pole, and electrolyte fluid reservoir is through electrolyte liquid intake line and electrolyte
Liquid output pipe is connected with negative pole, is provided with circulating pump in electrolyte liquid intake line；
Described just extremely porous material or be provided with cavity between positive pole and barrier film, in the porous material hole of positive pole or in
Electrolyte is filled with cavity between positive pole and barrier film.
Electrolyte liquid intake line between negative pole and circulating pump is provided with dividing as anode electrolyte intake line
Bye-pass, the cavity between anode electrolyte intake line and the porous material or positive pole and barrier film of positive pole are connected；
The branch line as anode electrolyte output pipe, anode electrolyte are provided with electrolyte liquid output pipe
Cavity between output pipe and the porous material or positive pole and barrier film of positive pole is connected；
Valve is provided with anode electrolyte intake line and anode electrolyte output pipe.
Wherein zinc-bromine bettery is formed by a section or the above cells in series of two sections, and monocell is included between positive and negative electrode end plate
The plus plate current-collecting body that overlaps successively, positive pole, barrier film, negative pole, negative current collector；
Include during the two above cells in series of section that more than 2 groups between positive end plate and negative end plate are connected successively
The plus plate current-collecting body of overlapping, positive pole, barrier film, negative pole, negative current collector.
Side of the positive electrode adopts sealing structure, and anolyte fluid circulation need not be separately configured；
When battery is run for the first time, electrolyte is inculcated to positive pole by electrolyte transfer pipeline.
Battery electrolyte blood circulation configures anode electrolyte transfer pipeline, in electrolyte transfer pipeline, anode electrolyte
Import and export are each equipped with valve, control electrolyte conveying；During first operation, open on anode electrolyte output and intake line
Valve, electrolyte is input into after positive pole and closes valve；When battery charging and discharging runs, electrolyte is only delivered to negative pole and is circulated.
Described positive pole and negative material are using carbon felt or graphite felt.Carbon felt is porous material.
The electrolyte is zinc bromide acid solution, and concentration is 1 × 10M, and pH value is 2-5..
The barrier film is ion exchange membrane or microporous membrane.
The beneficial effects of the utility model：
1. the battery structure has given up the painting cream step of original zinc bromine single flow battery structure positive pole, using simple carbon felt
Or graphite felt is used as electrode, it is ensured that just having larger space, more electrolyte is stored, the charging for improving battery is held
Amount.
2. electrolyte active substance is not carried in order to solve the problems, such as the design positive pole, just devise in circulation line
Positive pole by this system, is full of electrolyte before first operation by pole electrolyte infusion line, battery.During first operation, electrolysis
Liquid is via inculcating into positive pole with valvular pipeline.During battery charging and discharging, electrolyte is only delivered to negative pole, in electrode upstream from zinc
Ion is directly deposited with zinc simple substance form, and bromide ion forms bromo-complex with chelating agent after positive pole internal oxidation is bromine simple substance.
During electric discharge, zinc simple substance is oxidized to zinc ion via being pumped back in fluid reservoir, and bromo-complex is reduced to bromide ion.The battery has energy
Metric density is high, have extended cycle life, low cost, structure and the characteristics of simple manufacturing process.
Description of the drawings
Fig. 1 is zinc bromine single flow battery structural representation of the present utility model；
Wherein：1st, positive end plate；2nd, negative end plate；3rd, plus plate current-collecting body；4th, electrode；5th, barrier film；6th, negative current collector；7、
Cathode electrolyte storage tank；8th, circulating pump；9th, anode electrolyte outlet valve；10th, anode electrolyte outlet valve；
1 conventional zinc bromine single flow battery structural representation of Fig. 2 comparative examples；
1st, positive end plate；2nd, negative end plate；3rd, plus plate current-collecting body；4th, electrode；5th, barrier film；6th, negative current collector；7th, negative pole
Electrolyte storage tank；8th, circulating pump；
1 cycle performance figure of Fig. 3 embodiments, wherein CE- coulombic efficiencies, VE- voltage efficiencies, EE- energy efficiencies；
2 cycle performance figure of Fig. 4 embodiments；
3 cycle performance figure of Fig. 5 embodiments；
Fig. 6 comparative example cycle performance figures.
Specific embodiment
Embodiment 1
1) carbon felt one of the positive pole using 4x 4x0.5cm specifications, carbon felt one of the negative pole using 4x 4x0.5cm specifications
2) bromide solutions for preparing the 2mol/L of 60ml are stand-by.
Battery is assembled：
Such as Fig. 1, monocell include successively in order positive end plate, plus plate current-collecting body, positive pole (carbon felt), microporous membrane, negative pole,
Negative current collector, negative end plate.
Electrolyte liquid intake line between negative pole and circulating pump is provided with and fills intake line as anode electrolyte
Branch line, anode electrolyte are filled intake line and are connected with the cavity between the porous material or positive pole and barrier film of positive pole；
Be provided with the branch line that output pipe is filled as anode electrolyte, anolyte in electrolyte liquid output pipe
Liquid is filled output pipe and is connected with the cavity between the porous material or positive pole and barrier film of positive pole；
Intake line is filled in anode electrolyte and anode electrolyte fills output pipe and is provided with valve.
Battery electrolyte blood circulation configures anode electrolyte transfer pipeline, in electrolyte transfer pipeline, anode electrolyte
Import and export are each equipped with valve, control electrolyte conveying；During first operation, open on anode electrolyte output and intake line
Valve, electrolyte is input into after positive pole and closes valve；When battery charging and discharging runs, electrolyte is only delivered to negative pole and is circulated.
As seen from Figure 3, battery electrode area 36cm2, charging and discharging currents density：40mA/cm2, charging interval 1h, battery
Coulombic efficiency：96%, voltage efficiency：86%, energy efficiency：83%.
Embodiment 2
1) carbon felt three of the positive pole using 4x 4x0.5cm specifications, carbon felt one of the negative pole using 4x 4x0.5cm specifications
2) bromide solutions for preparing the 2mol/L of 60ml are stand-by.
Battery assembling and the method for operation are with embodiment 1
Monocell includes positive end plate, plus plate current-collecting body, positive pole, film, negative pole, negative current collector, negative pole in order successively
End plate.
As seen from Figure 4, battery electrode area 36cm2, charging and discharging currents density：40mA/cm2, charging interval 1.5h, electricity
Pond coulombic efficiency：96%, voltage efficiency：86%, energy efficiency：81%.
Embodiment 3
1) carbon felt two of the positive pole using 4x 4x0.5cm specifications, carbon felt one of the negative pole using 4x 4x0.5cm specifications
2) bromide solutions for preparing the 2mol/L of 60ml are stand-by.
Battery assembling and the method for operation are with embodiment 1
Monocell includes positive end plate, plus plate current-collecting body, positive pole, film, negative pole, negative current collector, negative pole in order successively
End plate.
As seen from Figure 5, battery electrode area 36cm2, charging and discharging currents density：40mA/cm2, charging interval 2h, battery
Coulombic efficiency：94%, voltage efficiency：86%, energy efficiency：81%.
Comparative example 1
The assembling of conventional zinc bromine single flow battery, as shown in Figure 2.
The preparation of both positive and negative polarity pole cream：
1) pole cream slurry configuration：Count by weight, by 1 part of carbon dust, 1 part of trimethylammonium bromide, 10 parts, 3 parts of zinc bromide
It is standby that deionized water machinery is mixed into pasty state；
2) pole cream slurry is uniformly coated on the method using blade coating a side surface of carbon felt；Carrying capacity：20mg/cm2.
3) bromide solutions configuration：The bromide solutions of 4mol/L are prepared, the both positive and negative polarity for preparing is immersed in solution
Assemble after 20min, and the side of pole cream is coated with towards barrier film assembling.
Battery is assembled：
Monocell includes positive end plate, plus plate current-collecting body, positive pole, film, negative pole, negative current collector, negative pole in order successively
End plate.
As seen from Figure 6, battery electrode area 36cm2, charging and discharging currents density：40mA/cm2, charging interval 1h, 1.5h,
2h, battery coulombic efficiency are respectively：96%, 80%, 60%, voltage efficiency is respectively：83%, 83%, 83% energy efficiency point
It is not：80%, 66%, 50%.
This utility model battery structure has given up the painting cream step of original zinc bromine single flow battery positive pole, using simple carbon
Felt or graphite felt are used as electrode, it is ensured that just having larger space, store more electrolyte, and the charging for improving battery is held
Amount.The battery has that energy density is high, has extended cycle life, low cost, structure and the characteristics of simple manufacturing process.
Claims (7)
1. a kind of zinc bromine single flow battery structure, is input into including zinc-bromine bettery, electrolyte fluid reservoir, circulating pump, electrolyte liquid
Pipeline and electrolyte liquid output pipe,
Zinc-bromine bettery includes positive pole, barrier film, negative pole, and electrolyte fluid reservoir is defeated through electrolyte liquid intake line and electrolyte liquid
Go out pipeline to be connected with negative pole, circulating pump is provided with electrolyte liquid intake line；It is characterized in that：
Described just extremely porous material or be provided with cavity between positive pole and barrier film, in the porous material hole of positive pole or in positive pole
Electrolyte is filled with cavity between barrier film；
Electrolyte liquid intake line between negative pole and circulating pump is provided with the branched pipe as anode electrolyte intake line
Road, the cavity between anode electrolyte intake line and the porous material or positive pole and barrier film of positive pole are connected；
The branch line as anode electrolyte output pipe is provided with electrolyte liquid output pipe, anode electrolyte is exported
Cavity between pipeline and the porous material or positive pole and barrier film of positive pole is connected；
Valve is provided with anode electrolyte intake line and anode electrolyte output pipe.
2. zinc bromine single flow battery structure according to claim 1, it is characterised in that：
Wherein zinc-bromine bettery is formed by a section or the above cells in series of two sections, and monocell is included between positive and negative electrode end plate successively
The plus plate current-collecting body of overlapping, positive pole, barrier film, negative pole, negative current collector；
Include the overlapping successively of more than 2 groups series connection between positive end plate and negative end plate during the two above cells in series of section
Plus plate current-collecting body, positive pole, barrier film, negative pole, negative current collector.
3. zinc bromine single flow battery structure according to claim 1, it is characterised in that：Side of the positive electrode adopts sealing structure, nothing
Anolyte fluid circulation need to be separately configured.
4. zinc bromine single flow battery structure according to claim 1, it is characterised in that：Battery electrolyte blood circulation is configured
Anode electrolyte transfer pipeline, in electrolyte transfer pipeline, anode electrolyte is imported and exported and is each equipped with valve, and control electrolyte is defeated
Send；During first operation, anode electrolyte output and the valve on intake line is opened, electrolyte is input into shutoff valve after positive pole
Door；When battery charging and discharging runs, electrolyte is only delivered to negative pole and is circulated.
5. zinc bromine single flow battery structure according to claim 1, it is characterised in that described both positive and negative polarity adopts carbon felt
Or graphite felt.
6. zinc bromine single flow battery structure according to claim 1, it is characterised in that the electrolyte is that zinc bromide is acid
Solution, concentration are 1 × 10M, and pH value is 2-5.
7. zinc bromine single flow battery structure according to claim 1, it is characterised in that the barrier film be ion exchange membrane or
Microporous membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069631.XU CN206022528U (en) | 2016-09-21 | 2016-09-21 | A kind of zinc bromine single flow battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621069631.XU CN206022528U (en) | 2016-09-21 | 2016-09-21 | A kind of zinc bromine single flow battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206022528U true CN206022528U (en) | 2017-03-15 |
Family
ID=58260439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621069631.XU Withdrawn - After Issue CN206022528U (en) | 2016-09-21 | 2016-09-21 | A kind of zinc bromine single flow battery structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206022528U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615885A (en) * | 2018-04-03 | 2018-10-02 | 华东师范大学 | A kind of graphite felt treatment process |
| CN109755604A (en) * | 2017-11-08 | 2019-05-14 | 中国科学院大连化学物理研究所 | A kind of neutrality zinc iodine solution galvanic battery |
| WO2019091304A1 (en) * | 2017-11-08 | 2019-05-16 | 中国科学院大连化学物理研究所 | Zinc-iodine flow battery |
| CN109860658A (en) * | 2017-11-28 | 2019-06-07 | 中国科学院大连化学物理研究所 | A kind of restoration methods of zinc bromine single flow battery performance |
| CN111193033A (en) * | 2018-11-15 | 2020-05-22 | 中国科学院大连化学物理研究所 | Alkaline zinc-iron single flow battery |
| CN114597455A (en) * | 2020-12-03 | 2022-06-07 | 中国科学院大连化学物理研究所 | Discharging operation method of zinc-bromine single flow battery and intermittent discharging zinc-bromine single flow battery |
-
2016
- 2016-09-21 CN CN201621069631.XU patent/CN206022528U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755604A (en) * | 2017-11-08 | 2019-05-14 | 中国科学院大连化学物理研究所 | A kind of neutrality zinc iodine solution galvanic battery |
| WO2019091304A1 (en) * | 2017-11-08 | 2019-05-16 | 中国科学院大连化学物理研究所 | Zinc-iodine flow battery |
| CN109755604B (en) * | 2017-11-08 | 2021-09-17 | 中国科学院大连化学物理研究所 | Neutral zinc-iodine flow battery |
| US11605824B2 (en) * | 2017-11-08 | 2023-03-14 | Dalian Institute Of Chemical Physics, Chinese Academy Of Sciences | Zinc iodine flow battery |
| CN109860658A (en) * | 2017-11-28 | 2019-06-07 | 中国科学院大连化学物理研究所 | A kind of restoration methods of zinc bromine single flow battery performance |
| CN109860658B (en) * | 2017-11-28 | 2022-02-22 | 中国科学院大连化学物理研究所 | Method for recovering performance of zinc-bromine single flow battery |
| CN108615885A (en) * | 2018-04-03 | 2018-10-02 | 华东师范大学 | A kind of graphite felt treatment process |
| CN111193033A (en) * | 2018-11-15 | 2020-05-22 | 中国科学院大连化学物理研究所 | Alkaline zinc-iron single flow battery |
| CN111193033B (en) * | 2018-11-15 | 2021-06-08 | 中国科学院大连化学物理研究所 | Alkaline zinc-iron single flow battery |
| CN114597455A (en) * | 2020-12-03 | 2022-06-07 | 中国科学院大连化学物理研究所 | Discharging operation method of zinc-bromine single flow battery and intermittent discharging zinc-bromine single flow battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206022528U (en) | A kind of zinc bromine single flow battery structure | |
| CN103137986B (en) | A kind of zinc bromine single flow battery | |
| CN102201590B (en) | Acidic zinc single liquid flow energy storage battery | |
| CN104716374B (en) | Neutral zinc iron double fluid flow battery | |
| CN201845830U (en) | Flow battery galvanic pile | |
| CN207587857U (en) | A kind of zinc-nickel single flow battery | |
| WO2016078491A1 (en) | Zinc-bromine flow battery having extended service life | |
| CN103618094B (en) | The preparation method of a kind of high-capacity lithium sulfur flow battery and electrode thereof | |
| CN103840187A (en) | Semi-solid-state zinc nickel flow cell | |
| CN105280964B (en) | A kind of zinc-manganese flow battery | |
| CN101567459A (en) | Acid single flow cell | |
| CN104143646A (en) | Flow energy storage cell or pile running method | |
| CN108134141A (en) | A kind of no diaphragm static state zinc-bromine bettery | |
| CN103872370A (en) | Flow battery | |
| CN107845826A (en) | A kind of zinc bromine single flow battery | |
| CN108134120B (en) | Zinc-bromine flow battery performance recovery method | |
| CN201514973U (en) | Liquid flow battery | |
| CN106532093A (en) | Quinone metal redox couple flow cell system | |
| CN105280943A (en) | Total-manganese flow battery | |
| CN112952172B (en) | Alkaline iron-nickel flow battery | |
| CN104300169A (en) | Alkaline zinc vanadium flow battery | |
| CN107946617B (en) | Four-storage-tank flow battery structure and method for improving electrolyte utilization rate | |
| CN2786802Y (en) | Vanadium ion liquid current accumulator | |
| CN201383523Y (en) | Current breaker for shunt current of flow battery | |
| CN111193033B (en) | Alkaline zinc-iron single flow battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20230811 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20230811 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |