CN106328968B - The device and method of by-pass current in a kind of elimination reserve cell - Google Patents
The device and method of by-pass current in a kind of elimination reserve cell Download PDFInfo
- Publication number
- CN106328968B CN106328968B CN201610863339.3A CN201610863339A CN106328968B CN 106328968 B CN106328968 B CN 106328968B CN 201610863339 A CN201610863339 A CN 201610863339A CN 106328968 B CN106328968 B CN 106328968B
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- Prior art keywords
- electrolyte
- branch pipe
- pass current
- eliminating
- reserve cell
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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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5022—Arrangements for moving electrodes or separating elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/30—Deferred-action cells
- H01M6/32—Deferred-action cells activated through external addition of electrolyte or of electrolyte components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Primary Cells (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The invention discloses a kind of devices of by-pass current in elimination reserve cell, liquid reservoir, electrolyte distribution pipe, electrolyte branch pipe and battery pack including sequential connection, the electrolyte branch pipe has more and parallel arranged, the battery pack is made of multiple battery cells, a battery cell is connected on every electrolyte branch pipe, the electrolyte branch pipe internal surface is provided with the coat of metal；Its method is also disclosed, after battery activated, the electrolyte solution in liquid reservoir is evenly distributed in each electrolyte branch pipe by electrolyte distribution pipe, is injected separately into corresponding battery cell in battery pack by electrolyte branch pipe；It when electrolyte solution passes through electrolyte branch pipe, reacts with the coat of metal being arranged on electrolyte branch pipe internal surface, the reaction product of generation blocks electrolyte branch pipe, to block public runner.The configuration of the present invention is simple, method are simple and reliable, can generate megohmite insulant in electrolyte channel to block electrolyte channel, eliminate by-pass current.
Description
Technical field
The invention belongs to disposable battery technical fields, and in particular to a kind of dress for eliminating by-pass current in reserve cell
It sets, and the method for eliminating by-pass current in reserve cell.
Background technique
Upon activation, electrolyte flows into distribution pipe to reserve cell, and each battery cell is given by distribution pipe.Due to depositing
In public runner, electrolyte is to be serially connected between electrolyte when injecting each battery cell.When between each battery cell
There are when potential difference, due to the electric conductivity of electrolyte, leads to the displacement for forming ion between battery cell, form bypass electricity
Stream, to limit the raising of battery total energy density and power.
To reduce or eliminate by-pass current, can be improved by designing reasonable structure electrolyte passage guide passage impedance or
Interrupt electrolyte passage.
Common method, which has, extends the flow channel length of electrolyte, the cross-sectional area for reducing electrolyte channel, electrolyte freedom
The method and make to form the megohmite insulants such as bubble in runner to block electrolyte passage etc. by special method that falling bodies stop.
But extend the flow channel length of electrolyte, reduction cross-sectional area will increase liquid flowing resistance, and can only reduce and bypass electricity
Stream；And then structure is complicated and wants high to volume requirement for the method for electrolyte freely falling body cutout, the fluid injection time is longer.
Summary of the invention
It is an object of the present invention to deficiencies according to prior art, design one kind and chemistry occurs in electrolyte passage
Reaction generates megohmite insulant to eliminate the device of by-pass current in reserve cell.
The technical solution adopted by the present invention to solve the technical problems is：The dress of by-pass current in a kind of elimination reserve cell
It sets, liquid reservoir, electrolyte distribution pipe, electrolyte branch pipe and battery pack including sequential connection, the electrolyte branch pipe has more
Root and parallel arranged, the battery pack are made of multiple battery cells, and a battery cell is connected on every electrolyte branch pipe,
The electrolyte branch pipe internal surface is provided with the coat of metal.
The device of by-pass current, electrolyte branch pipe include spill runner and setting in a kind of elimination reserve cell
Cover board on spill runner, the coat of metal are arranged on the inner bottom surface of spill runner.
The device of by-pass current in a kind of elimination reserve cell, spill runner and cover board are insulating materials
Part, the insulation material materials and parts are nylon part.
The device of by-pass current in a kind of elimination reserve cell, the coat of metal are to utilize magnetron sputtering method, electricity
Aluminium, zinc, magnesium or its compound layer on the inner bottom surface of spill runner is arranged in plating method or hot spray process.
The device of by-pass current in a kind of elimination reserve cell, metal layer thickness is uniformly and thickness is less than
500 um。
It is molten to be stored with alkaline electrolyte in liquid reservoir for the device of by-pass current in a kind of elimination reserve cell
Liquid, the alkaline electrolysis liquor use KOH electrolyte solution.
The invention also discloses a kind of methods of by-pass current in elimination reserve cell, include the following steps：
a）, it is battery activated after, the electrolyte solution in liquid reservoir is evenly distributed to each electrolysis by electrolyte distribution pipe
In liquid branch pipe, corresponding battery cell in battery pack is injected separately by electrolyte branch pipe；
b）, electrolyte solution is when passing through electrolyte branch pipe, sent out with the coat of metal that is arranged on electrolyte branch pipe internal surface
The reaction product of raw reaction, generation blocks electrolyte branch pipe, to block public runner.
The beneficial effects of the invention are as follows：
1, megohmite insulant is generated in electrolyte channel the invention proposes a kind of simple and reliable device and method to hinder
Disconnected electrolyte channel, eliminates by-pass current.
2, metal is uniformly plated in concave by any one of magnetron sputtering method, galvanoplastic and hot spray process by the present invention
Electrolyte channel on, method is simple and reliable, structure is simple, coating is thin and uniform, do not influence the normal function of electrolyte channel,
Liquid flowing resistance is small, will not influence the fluid injection time of battery.
3, the present invention can be independently operated, on multiple electrolyte branched pipes and between each other without influence, improve entire electricity
The reliability of cell system.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of apparatus of the present invention；
Fig. 2 is the cross-sectional view of electrolyte distribution pipe of the present invention.
Each appended drawing reference is：1-liquid reservoir, 2-electrolyte distribution pipes, 3-electrolyte branch pipes, 31-spill runners,
32-cover boards, the 4-coats of metal, 5-battery packs.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Referring to figs. 1 to shown in Fig. 2, the invention discloses a kind of devices of by-pass current in elimination reserve cell, including according to
Liquid reservoir 1, electrolyte distribution pipe 2, several electrolyte branch pipes 3 arranged side by side and the battery pack 5 of secondary connection, the electrolysis
Liquid distribution pipe 2 is between liquid reservoir 1 and electrolyte branch pipe 3, energy mean allocation electrolyte solution, the electrolyte branch pipe 3
Inner surface be provided with the coat of metal 4, the battery pack 5 includes that several with electrolyte branch pipe 3 correspond the electricity being connected to
Pond monomer.
The electrolyte branch pipe 3 includes spill runner 31 and the cover board 32 being arranged on spill runner 31, and described is recessed
Shape runner 31 and cover board 32 are insulation material materials and parts, and the insulation material materials and parts are nylon part；The coat of metal 4 is to utilize
Aluminium, zinc, magnesium or its compound layer on the inner bottom surface of spill runner 31 is arranged in magnetron sputtering method, galvanoplastic or hot spray process,
The metal and its compound of selection are on cell discharge performance without influence, and 4 thickness of the coat of metal is uniformly and thickness is less than 500
um。
Alkaline electrolysis liquor is stored in the liquid reservoir 1, the alkaline electrolysis liquor uses KOH electrolyte
Solution.
The invention also discloses a kind of methods of by-pass current in elimination reserve cell, include the following steps：
a）, it is battery activated after, electrolyte solution in liquid reservoir 1 is evenly distributed to each electricity by electrolyte distribution pipe 2
It solves in liquid branch pipe 3, corresponding battery cell in battery pack 5 is injected separately by electrolyte branch pipe 3；
b）, electrolyte solution pass through electrolyte branch pipe 3 when, with the coat of metal 4 being arranged on 3 inner surface of electrolyte branch pipe
It reacts, the reaction product of generation blocks electrolyte branch pipe 3, to block public runner.
Since the conductivity of reaction product is much larger than the conductivity of electrolyte, resistance value approach infinity, to eliminate
By-pass current.
The above-described embodiments merely illustrate the principles and effects of the present invention, and the embodiment that part uses, for
For those skilled in the art, without departing from the concept of the premise of the invention, can also make it is several deformation and
It improves, these are all within the scope of protection of the present invention.
Claims (8)
1. a kind of device for eliminating by-pass current in reserve cell, it is characterised in that：Liquid reservoir including sequential connection（1）, electricity
Solve liquid distribution pipe（2）, electrolyte branch pipe（3）And battery pack（5）, the electrolyte branch pipe（3）There are more and parallel arranged, institute
The battery pack stated（5）It is made of multiple battery cells, every electrolyte branch pipe（3）One battery cell of upper connection, the electricity
Solve liquid branch pipe（3）Inner surface is provided with the coat of metal（4）, electrolyte solution pass through electrolyte branch pipe（3）When with the metal
Coating（4）It reacts, the reaction product of generation blocks electrolyte branch pipe（3）, to block public runner.
2. a kind of device for eliminating by-pass current in reserve cell according to claim 1, which is characterized in that the electricity
Solve liquid branch pipe（3）Including spill runner（31）With setting in spill runner（31）On cover board（32）, the coat of metal（4）
It is arranged in spill runner（31）Inner bottom surface on.
3. a kind of device for eliminating by-pass current in reserve cell according to claim 2, which is characterized in that described is recessed
Shape runner（31）And cover board（32）It is insulation material materials and parts, the insulation material materials and parts use nylon part.
4. a kind of device for eliminating by-pass current in reserve cell according to claim 2, which is characterized in that the gold
Belong to coating（4）To be arranged using magnetron sputtering method, galvanoplastic or hot spray process in spill runner（31）Inner bottom surface on aluminium, zinc
Or magnesium layer.
5. a kind of device for eliminating by-pass current in reserve cell according to claim 2, which is characterized in that the gold
Belong to coating（4）Thickness is uniformly and thickness is less than 500 um.
6. a kind of device for eliminating by-pass current in reserve cell according to claim 1, which is characterized in that the storage
Liquid device（1）In be stored with alkaline electrolysis liquor.
7. a kind of device for eliminating by-pass current in reserve cell according to claim 6, which is characterized in that the alkali
Property electrolyte solution use KOH electrolyte solution.
8. a kind of method for eliminating by-pass current in reserve cell, based on the device described in claim 1, which is characterized in that
Include the following steps：
a）, it is battery activated after, liquid reservoir（1）In electrolyte solution pass through electrolyte distribution pipe（2）It is evenly distributed to each electricity
Solve liquid branch pipe（3）In, pass through electrolyte branch pipe（3）It is injected separately into battery pack（5）In corresponding battery cell；
b）, electrolyte solution pass through electrolyte branch pipe（3）When, with setting in electrolyte branch pipe（3）The coat of metal on inner surface
（4）It reacts, the reaction product of generation blocks electrolyte branch pipe（3）, to block public runner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863339.3A CN106328968B (en) | 2016-09-29 | 2016-09-29 | The device and method of by-pass current in a kind of elimination reserve cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863339.3A CN106328968B (en) | 2016-09-29 | 2016-09-29 | The device and method of by-pass current in a kind of elimination reserve cell |
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| Publication Number | Publication Date |
|---|---|
| CN106328968A CN106328968A (en) | 2017-01-11 |
| CN106328968B true CN106328968B (en) | 2018-11-20 |
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| CN201610863339.3A Active CN106328968B (en) | 2016-09-29 | 2016-09-29 | The device and method of by-pass current in a kind of elimination reserve cell |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993978B (en) * | 2019-11-04 | 2021-07-27 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Device and method for eliminating leakage current of activated battery branch |
| CN114497654B (en) * | 2022-04-06 | 2022-07-08 | 杭州德海艾科能源科技有限公司 | Liquid path current blocker |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593491A (en) * | 2012-03-14 | 2012-07-18 | 中国东方电气集团有限公司 | Liquid flow cell stack and cell system comprising same |
| CN202423481U (en) * | 2011-12-28 | 2012-09-05 | 上海空间电源研究所 | Fully-sealed automatically-activated lithium sulphur battery pack |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120308856A1 (en) * | 2010-12-08 | 2012-12-06 | Enervault Corporation | Shunt current resistors for flow battery systems |
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- 2016-09-29 CN CN201610863339.3A patent/CN106328968B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202423481U (en) * | 2011-12-28 | 2012-09-05 | 上海空间电源研究所 | Fully-sealed automatically-activated lithium sulphur battery pack |
| CN102593491A (en) * | 2012-03-14 | 2012-07-18 | 中国东方电气集团有限公司 | Liquid flow cell stack and cell system comprising same |
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| Publication number | Publication date |
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| CN106328968A (en) | 2017-01-11 |
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