CN106654361A - Three-electrode device and preparation method thereof - Google Patents
Three-electrode device and preparation method thereof Download PDFInfo
- Publication number
- CN106654361A CN106654361A CN201710041967.8A CN201710041967A CN106654361A CN 106654361 A CN106654361 A CN 106654361A CN 201710041967 A CN201710041967 A CN 201710041967A CN 106654361 A CN106654361 A CN 106654361A
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- metal rod
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 59
- 239000002184 metal Substances 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 230000004888 barrier function Effects 0.000 claims description 22
- 238000000429 assembly Methods 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000012528 membrane Substances 0.000 abstract 5
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000840 electrochemical analysis Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- 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
- Y02E60/10—Energy storage using batteries
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a three-electrode device and a preparation method thereof. The three-electrode device comprises an upper cover, a cup body, electrode metal bars, lead strips, a roll core, a membrane a, a membrane b and a reference electrode, wherein the electrode metal bars run through the upper cover; one end of each electrode metal bar is fixedly connected with one corresponding lead strip; the lead strips are arranged in the cup body; the side position of the bottom end part of the roll core is fixedly connected with the reference electrode; the membrane a is fixedly connected between the roll core and the reference electrode; the membrane b is also fixedly connected with the outer surface of the reference electrode; a sealing ring accommodating groove is formed in the inner side of the upper end part of the cup body; a sealing ring is fixedly arranged in the sealing ring accommodating groove; and the upper cover is fixedly connected with the upper end part of the cup body. Through arrangement of the sealing ring, the air-tightness of the three-electrode device is effectively improved; the wrapped reference electrode is attached to the roll core, the membrane a is arranged between the reference electrode and the roll core and the upper cover is insulated with the cup body, so that the insulating performance is effectively strengthened; and meanwhile, the three-electrode device is simple and convenient to manufacture and suitable for various wound battery cores.
Description
Technical field
The invention belongs to technical field of lithium ion, and in particular to a kind of three electrode assembly and preparation method thereof.
Background technology
Three electrode assemblies are the infrastructure devices for studying electrochemical reaction process, in electrochemical analysis and electrochemical energy storage field
There is application widely.Three traditional electrode assemblies, are only applicable to water system and open wide system, it is difficult to suitable for including lithium mostly
Ion battery is in the high system of interior sealing requirements.
It is actually rare for three electrode assemblies of convoluted battery core potentiometric analysis, and existing apparatus making complexity, disadvantage are numerous
It is many, it is difficult to meet the basic technology requirement of sealing and insulating properties in many cases.
The content of the invention
Present invention aims to the deficiencies in the prior art, now provide a kind of good seal performance, assembling simple three
Electrode assembly and preparation method thereof.
To solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of three electrode assemblies, its innovative point exists
In：Including upper lid, cup, electrode metal rod, lead bar, core, barrier film a, barrier film b and reference electrode, the electrode metal rod
Through upper lid, and electrode metal rod is fixedly connected with upper lid, and one end of the electrode metal rod is fixedly connected leaded
Bar, the lead bar is arranged in cup, and the bottom side position of the core is fixedly connected with reference electrode, the core and ginseng
Than being also fixedly connected with a barrier film a between electrode, the outer surface of the reference electrode is also fixedly connected with a barrier film b, the cup
Body upper end inner side offers a sealing ring holding tank, and sealing ring, the upper lid are installed with the sealing ring holding tank
It is formed by fixedly connecting with cup upper end.
Further, the electrode metal rod includes electrode metal rod a, electrode metal rod b and electrode metal rod c；It is described
Lead bar includes lead bar a, lead bar b and lead bar c, and the electrode metal rod a is fixedly connected with lead bar a, described
Electrode metal rod b is fixedly connected with lead bar b, and the electrode metal rod c is fixedly connected with lead bar c.
Further, the positive and negative lug of the reference electrode, core and lead bar are fixedly connected by electrode holder, described
Lead bar is fixedly connected with electrode metal rod by electrode holder.
Another object of the present invention is to disclose a kind of preparation method of three electrode assemblies, and its innovative point is：Concrete step
It is rapid as follows：
（1）One layer of barrier film a is enclosed with standby core outer surface, then reference electrode T-type structure is cut into, by lead bar a
It is attached with reference electrode by way of extruding；
（2）The reference electrode of T-type structure is wrapped in into the outer surface of barrier film a, the reference electrode afterbody bending is attached to core
Bottom；
（3）Then the outer surface in reference electrode is enclosed with barrier film b；
（4）Positive and negative lug is fixedly connected respectively by electrode holder with lead bar b, lead bar c, lead bar b, lead bar c
It is fixedly connected with electrode metal rod b, electrode metal rod c respectively by electrode holder, by lead bar a by electrode holder and electrode
Metal bar a is fixedly connected；
（5）Inject electrolyte in cup, the height submergence core of the electrolyte, but less than the height of reference electrode；
（6）Sealing ring is placed in sealing ring holding tank, the core that is connected on upper lid of completing slowly is put into cup
It is interior, upper lid is fastened with cup with screw, complete the preparation of three electrode assemblies.
Further, the step（1）Or（4）In lead bar a be copper wire, lead bar b be aluminum strip, lead bar c be nickel
Bar；The electrode metal rod a is copper rod, and electrode metal rod b is aluminium bar, and electrode metal rod c is nickel rod.
Further, the reference electrode is lithium piece.
Beneficial effects of the present invention are as follows：The present invention provides a kind of three electrode assembly, including upper lid, cup, and arranges
Electrode metal rod on upper lid, the sealing ring being arranged between lid and cup, by the setting of sealing ring, is effectively improved
The sealing of three electrode assemblies, the lead bar, core, the electrolyte that are arranged in cup, core is attached with the reference electricity for wrapping
Pole, is provided with barrier film a between reference electrode and core, upper lid insulate with cup, reference electrode and the positive and negative lug of core with
Draw line and curve connection, lead bar is connected with electrode metal rod, effectively enhances the performance of insulation, while the present invention makes simple side
Just, and suitable for all kinds of convoluted battery cores.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Specific embodiment
Hereinafter embodiments of the present invention are illustrated by particular specific embodiment, those skilled in the art can be by this explanation
Content disclosed by book understands easily other advantages and effect of the present invention.
It is illustrated in figure 1 the overall structure diagram of the present invention, a kind of three electrode assembly, including upper lid 4, cup 5, electrode
Metal bar, lead bar, core 10, barrier film a15, barrier film b16 and reference electrode 9, electrode metal rod runs through upper lid 4, and electrode
Metal bar is fixedly connected with upper lid 4, and one end of electrode metal rod is fixedly connected leaded bar, and lead bar is arranged on cup 5
Interior, the bottom side position of core 10 is fixedly connected with reference electrode 9, and one is also fixedly connected between core 10 and reference electrode 9
Barrier film a15, the outer surface of reference electrode 9 is also fixedly connected with a barrier film b16, and the upper end of cup 5 inner side offers a sealing ring
Sealing ring 13 is installed with holding tank 14, sealing ring holding tank 14, upper lid 4 is formed by fixedly connecting with the upper end of cup 5.
Electrode metal rod includes electrode metal rod a1, electrode metal rod b2 and electrode metal rod c3；Lead bar includes lead
Bar a11, lead bar b6 and lead bar c7, electrode metal rod a1 are fixedly connected with lead bar a11, electrode metal rod b2 with draw
Lines b6 is fixedly connected, and electrode metal rod c3 is fixedly connected with lead bar c7.
Reference electrode 9, the positive and negative lug of core 10 and lead bar are fixedly connected by electrode holder, and lead bar is golden with electrode
Category rod is fixedly connected by electrode holder.
A kind of preparation method of three electrode assemblies, comprises the following steps that：
（1）One layer of barrier film a15 is enclosed with the standby outer surface of core 10, then reference electrode 9 T-type structure is cut into, will be drawn
Lines a11 is attached by way of extruding with reference electrode 9；
（2）The reference electrode 9 of T-type structure is wrapped in into the outer surface of barrier film a15, the bending of the afterbody of reference electrode 9 is attached to core
10 bottom；
（3）Then the outer surface in reference electrode 9 is enclosed with barrier film b16；
（4）Positive and negative lug is fixedly connected respectively by electrode holder with lead bar b6, lead bar c7, lead bar b6, lead
Bar c7 is fixedly connected respectively by electrode holder with electrode metal rod b2, electrode metal rod c3, and lead bar a11 is passed through into electrode
Folder is fixedly connected with electrode metal rod a1；
（5）Inject electrolyte in cup 5, the height submergence core of electrolyte, but less than the height of reference electrode 9；
（6）Sealing ring 13 is placed in sealing ring holding tank 14, the core 10 that is connected on upper lid 4 of completing slowly is put
Enter in cup 5, fastened upper lid 4 with cup 5 with screw, complete the preparation of three electrode assemblies.
Feasible, lead bar a11 is copper wire, and lead bar b6 is aluminum strip, and lead bar c7 is nickel bar；Electrode metal rod a1 is copper
Rod, electrode metal rod b2 is aluminium bar, and electrode metal rod c3 is nickel rod.
Feasible, reference electrode 9 is lithium piece.
The present invention provides a kind of three electrode assembly, including upper lid 4, cup 5, and the electrode metal being arranged on lid 4
Rod, the sealing ring 13 being arranged between lid 4 and cup 5, by the setting of sealing ring 13, effectively raises three electrode assemblies
Sealing, be arranged in cup 5 lead bar, core 10, electrolyte, core 10 is attached with the reference electrode 9 for wrapping, reference
Barrier film a15 is provided between electrode 9 and core 10, upper lid 4 insulate with cup 5, reference electrode 9 and the positive and negative lug of core 10 are equal
With draw line and curve connection, lead bar is connected with electrode metal rod, effectively enhances the performance of insulation, while the present invention makes simple
It is convenient, and suitable for all kinds of convoluted battery cores.
Above-described embodiment is presently preferred embodiments of the present invention, is not the restriction to technical solution of the present invention, as long as
Without the technical scheme that creative work can be realized on the basis of above-described embodiment, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (6)
1. a kind of three electrode assembly, it is characterised in that：Including upper lid, cup, electrode metal rod, lead bar, core, barrier film a, every
Film b and reference electrode, the electrode metal rod runs through upper lid, and electrode metal rod is fixedly connected with upper lid, the electricity
One end of pole metal bar is fixedly connected leaded bar, and the lead bar is arranged in cup, and the bottom side position of the core is consolidated
Surely reference electrode is connected with, a barrier film a, the appearance of the reference electrode is also fixedly connected between the core and reference electrode
Face is also fixedly connected with a barrier film b, and the cup upper end inner side offers a sealing ring holding tank, the sealing ring holding tank
Sealing ring is inside installed with, the upper lid is formed by fixedly connecting with cup upper end.
2. a kind of three electrode assembly according to claim 1, it is characterised in that：The electrode metal rod includes electrode metal
Rod a, electrode metal rod b and electrode metal rod c；The lead bar includes lead bar a, lead bar b and lead bar c, the electrode
Metal bar a is fixedly connected with lead bar a, and the electrode metal rod b is fixedly connected with lead bar b, the electrode gold
Category rod c and lead bar c is fixedly connected.
3. a kind of three electrode assembly according to claim 1, it is characterised in that：The positive and negative lug of the reference electrode, core
It is fixedly connected by electrode holder with lead bar, the lead bar is fixedly connected with electrode metal rod by electrode holder.
4. a kind of preparation method of three electrode assembly as claimed in claim 1, it is characterised in that：Comprise the following steps that：
（1）One layer of barrier film a is enclosed with standby core outer surface, then reference electrode T-type structure is cut into, by lead bar a
It is attached with reference electrode by way of extruding；
（2）The reference electrode of T-type structure is wrapped in into the outer surface of barrier film a, the reference electrode afterbody bending is attached to core
Bottom；
（3）Then the outer surface in reference electrode is enclosed with barrier film b；
（4）Positive and negative lug is fixedly connected respectively by electrode holder with lead bar b, lead bar c, lead bar b, lead bar c
It is fixedly connected with electrode metal rod b, electrode metal rod c respectively by electrode holder, by lead bar a by electrode holder and electrode
Metal bar a is fixedly connected；
（5）Inject electrolyte in cup, the height submergence core of the electrolyte, but less than the height of reference electrode；
（6）Sealing ring is placed in sealing ring holding tank, the core that is connected on upper lid of completing slowly is put into cup
It is interior, upper lid is fastened with cup with screw, complete the preparation of three electrode assemblies.
5. the preparation method of a kind of three electrode assembly according to claim 4, it is characterised in that：The step（1）Or（4）
In lead bar a be copper wire, lead bar b be aluminum strip, lead bar c be nickel bar；The electrode metal rod a be copper rod, electrode metal
Rod b is aluminium bar, and electrode metal rod c is nickel rod.
6. the preparation method of a kind of three electrode assembly according to claim 4, it is characterised in that：The reference electrode is lithium
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041967.8A CN106654361A (en) | 2017-01-20 | 2017-01-20 | Three-electrode device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710041967.8A CN106654361A (en) | 2017-01-20 | 2017-01-20 | Three-electrode device and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106654361A true CN106654361A (en) | 2017-05-10 |
Family
ID=58841834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710041967.8A Pending CN106654361A (en) | 2017-01-20 | 2017-01-20 | Three-electrode device and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106654361A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607873A (en) * | 2017-08-04 | 2018-01-19 | 深圳市比克动力电池有限公司 | Three electrodes of cylindrical battery original position and preparation method thereof |
| CN111600077A (en) * | 2020-05-29 | 2020-08-28 | 重庆金康新能源汽车有限公司 | Battery cell with coated lithium reference electrode and method of providing |
| CN112335112A (en) * | 2018-03-08 | 2021-02-05 | 瓦尔达微电池有限责任公司 | Lithium ion battery for automobile energy storage device and manufacturing method thereof |
| CN114019390A (en) * | 2021-09-30 | 2022-02-08 | 广东微电新能源有限公司 | Three-electrode battery testing device |
| CN114018994A (en) * | 2021-09-30 | 2022-02-08 | 广东微电新能源有限公司 | Novel three-electrode battery testing device |
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| CN201904414U (en) * | 2010-12-16 | 2011-07-20 | 天津力神电池股份有限公司 | Three-electrode battery |
| US20140375325A1 (en) * | 2013-06-20 | 2014-12-25 | Hrl Laboratories, Llc | Battery with reference electrode for voltage monitoring |
| CN106099164A (en) * | 2016-08-23 | 2016-11-09 | 辽宁九夷锂能股份有限公司 | A kind of cylindrical battery three electrode assembly and assemble method thereof |
-
2017
- 2017-01-20 CN CN201710041967.8A patent/CN106654361A/en active Pending
Patent Citations (4)
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|---|---|---|---|---|
| CN101216537A (en) * | 2007-12-27 | 2008-07-09 | 上海万宏动力能源有限公司 | Single-electrode potential measurement method suitable for alkaline sealed cell and its device |
| CN201904414U (en) * | 2010-12-16 | 2011-07-20 | 天津力神电池股份有限公司 | Three-electrode battery |
| US20140375325A1 (en) * | 2013-06-20 | 2014-12-25 | Hrl Laboratories, Llc | Battery with reference electrode for voltage monitoring |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607873A (en) * | 2017-08-04 | 2018-01-19 | 深圳市比克动力电池有限公司 | Three electrodes of cylindrical battery original position and preparation method thereof |
| CN112335112A (en) * | 2018-03-08 | 2021-02-05 | 瓦尔达微电池有限责任公司 | Lithium ion battery for automobile energy storage device and manufacturing method thereof |
| CN112335112B (en) * | 2018-03-08 | 2023-07-28 | 瓦尔达微电池有限责任公司 | Lithium ion battery for automobile energy storage device and manufacturing method thereof |
| CN111600077A (en) * | 2020-05-29 | 2020-08-28 | 重庆金康新能源汽车有限公司 | Battery cell with coated lithium reference electrode and method of providing |
| CN111600077B (en) * | 2020-05-29 | 2021-07-06 | 重庆金康新能源汽车有限公司 | Battery cell with coated lithium reference electrode and method of providing |
| CN114019390A (en) * | 2021-09-30 | 2022-02-08 | 广东微电新能源有限公司 | Three-electrode battery testing device |
| CN114018994A (en) * | 2021-09-30 | 2022-02-08 | 广东微电新能源有限公司 | Novel three-electrode battery testing device |
| CN114018994B (en) * | 2021-09-30 | 2024-04-16 | 广东微电新能源有限公司 | Three-electrode battery testing device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
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| RJ01 | Rejection of invention patent application after publication |