CN105374987A - Preparation method for polar plate - Google Patents
Preparation method for polar plate Download PDFInfo
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- CN105374987A CN105374987A CN201410429350.XA CN201410429350A CN105374987A CN 105374987 A CN105374987 A CN 105374987A CN 201410429350 A CN201410429350 A CN 201410429350A CN 105374987 A CN105374987 A CN 105374987A
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- pole plate
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- mixed powder
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- 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
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Abstract
The invention discloses a preparation method for a polar plate, relates to the manufacturing field of a battery, and aims to solve the problem of huge environmental pollution caused by the use of lead-acid storage batteries in the prior art. According to the technical scheme provided by the embodiment of the invention, the preparation method comprises the steps of S10, uniformly mixing titanium black powder and binder powder to obtain mixed powder, wherein the titanium black powder is 60-90% in percentage by mass, and the binder powder is 10-40% in percentage by mass; S20, pouring the mixed powder into a die inner cavity, and uniformly placing a layer of releasing agent in the die inner cavity; S30, pressing the mixed powder in the die at the pressure of 5-100 MPa to obtain a pressed polar plate; and S40, sintering the pressed polar plate at the temperature of 600-1,300 DEG C for 10-600 min to obtain a sintered polar plate. The scheme can be applied to a battery polar plate manufacturing system.
Description
Technical field
The present invention relates to battery manufacturing field, particularly relate to a kind of preparation method of pole plate.
Background technology
At present, the grid of lead acid accumulator and bus-bar are made primarily of plumbous and oxide, and electrolyte is sulfuric acid solution.But, due to the use of lead, cause the use of lead acid accumulator to bring huge environmental pollution.
Summary of the invention
The invention provides a kind of preparation method of pole plate, the environmental pollution that lead acid accumulator causes can be reduced.
Technical solution problem of the present invention adopts following technical scheme: a kind of preparation method of pole plate, comprise: S10, sub-titanium oxide powder and adhesive powder to be mixed, obtain mixed powder, the mass percent of described sub-titanium oxide powder is 60% ~ 90%, and the mass percent of described adhesive powder is 10% ~ 40%; S20, pour described mixed powder into dies cavity, in described dies cavity, one deck release agent is set uniformly; S30, the mixed powder in described mould to be suppressed under the pressure of 5MPa ~ 100MPa, obtain the pole plate after suppressing; S40, the pole plate after described compacting is sintered 10min ~ 600min at the temperature of 600 DEG C ~ 1300 DEG C, obtain the pole plate after sintering.
Optionally, described sintering carries out under the condition of vacuum, protective gas or reducibility gas.
Optionally, described adhesive, comprising: one or more in thermoplastic resin, thermosetting resin and phenol-formaldehyde resin modified.
Optionally, described thermoplastic resin, comprising: one or more in polyvinyl resin, polyvinylidene fluoride resin, acrylonitrile-butadiene-styrene copolymer resin and peo resin.
Optionally, described thermosetting resin, comprising: one or more in phenolic resins, amino resins, novolac epoxy resin, organic siliconresin, epoxy resin, unsaturated polyester (UP) and silicon ether resin.
Optionally, described phenol-formaldehyde resin modified, comprising: one or more in polyamide modified phenolic resins, dicyandiamide modified phenolic resins, epoxy modified phenolic resin and Pioloform, polyvinyl acetal phenol-formaldehyde resin modified.
Optionally, described sub-titanium oxide, comprising: Ti
4o
7and Ti
5o
9, described Ti
4o
7mass percent be 70% ~ 98%, described Ti
5o
9mass percent be 2% ~ 30%.
Optionally, the preparation method of described bipolar electrode plate, also comprises: S50, the pole plate after described sintering is carried out deburring arrangement.
The present invention has following beneficial effect: due to after being suppressed by the mixed powder of sub-titanium oxide powder and adhesive powder composition, pole plate after compacting is sintered, when pole plate after this sintering is made bipolar electrode plate, intensity and the corrosion resistance of bipolar electrode plate can be improved further, and improve conductivity and the stability of bipolar electrode plate.Due to prepare pole plate process in decrease plumbous use, the technical scheme that the embodiment of the present invention provides solves the use due to lead in prior art, causes the use of lead acid accumulator to bring the problem of huge environmental pollution.In addition, the preparation method of the pole plate that the embodiment of the present invention provides, technological process is simple, with short production cycle, can industrializedly produce in batches; Further, in preparation process, decrease plumbous use amount, the useful life of battery can be extended.
In addition, the plumbous amount of technical scheme joint that the embodiment of the present invention provides can reach 50% of conventional lead storage cells; The program eliminates the fabrication schedule of bus-bar, newel post and related elements, can reduce by the production process of 20%, and then saves integrated cost and be about 30%-40%, the corrosion also without the need to adopting other techniques to prevent bus-bar and newel post; And the active material of the battery lead plate made by such scheme is more evenly distributed, and resistance is lower, energy density and power density higher, can quick charge, and slow down sulfation in cyclic process.Further, the program is also applicable to high-voltage battery and the lead-acid battery use of more than 100V, and the rate of recovery can reach 100%.
Accompanying drawing explanation
The flow chart one of the preparation method of the pole plate that Fig. 1 provides for the embodiment of the present invention 1;
The flowchart 2 of the preparation method of the pole plate that Fig. 2 provides for the embodiment of the present invention 1.
Embodiment
Below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is further elaborated.
Embodiment 1
As shown in Figure 1, present embodiments provide a kind of preparation method of pole plate, comprising:
Step 101, mixes sub-titanium oxide powder and adhesive powder, obtains mixed powder.
In the present embodiment, the mass percent of step 101 Central Asia titanium oxide powder is 60% ~ 90%, and the percentage of adhesive powder is 10% ~ 40%.Wherein, sub-titanium oxide can comprise: Ti
4o
7and Ti
5o
9, Ti
4o
7mass percent be 70% ~ 98%, Ti
5o
9mass percent be 2% ~ 30%.
In the present embodiment, adhesive in step 101, comprising: one or more in thermoplastic resin, thermosetting resin and phenol-formaldehyde resin modified.Wherein, thermoplastic resin, comprising: one or more in polyvinyl resin, polyvinylidene fluoride resin, acrylonitrile-butadiene-styrene copolymer resin and peo resin; Thermosetting resin, comprising: one or more in phenolic resins, amino resins, novolac epoxy resin, organic siliconresin, epoxy resin, unsaturated polyester (UP) and silicon ether resin; Phenol-formaldehyde resin modified, comprising: one or more in polyamide modified phenolic resins, dicyandiamide modified phenolic resins, epoxy modified phenolic resin and Pioloform, polyvinyl acetal phenol-formaldehyde resin modified.
Step 102, pours mixed powder into dies cavity.
In the present embodiment, after step 102 pours mixed powder into dies cavity, for making powder be evenly distributed in dies cavity, the mixed powder of dies cavity evenly can be paved and compacting.For the ease of carrying out the demoulding, preventing powder to be adhered to dies cavity, in the dies cavity of step 102, being provided with one deck release agent uniformly.
Further, can also arrange layer of metal paillon foil in this dies cavity, release agent is between tinsel and dies cavity.This tinsel comprises titanium foil sheet or lead foil sheet.
Step 103, suppresses under the pressure of 5MPa ~ 100MPa the mixed powder in mould, obtains the pole plate after suppressing.
Step 104, sinters 10min ~ 600min by the pole plate after compacting at the temperature of 600 DEG C ~ 1300 DEG C, obtains the pole plate after sintering.
In the present embodiment, the temperature of sintering is general was inversely proportional to the time of sintering.In order to prevent the character of pole board oxidation, protection pole plate, this sintering process can be carried out under the condition of vacuum, protective gas or reducibility gas.Wherein, protective gas can be argon gas, nitrogen etc., and reducibility gas can be hydrogen, CO (carbon monoxide converter) gas etc.
Further, as shown in Figure 2, the preparation method of the bipolar electrode plate that the present embodiment provides, can also comprise:
Step 105, carries out deburring arrangement by the pole plate after sintering.
In the present embodiment, for making the pole plate after sintering be suitable for practicality, by step 105, the pole plate after sintering can also be carried out deburring arrangement.
The present invention has following beneficial effect: due to after being suppressed by the mixed powder of sub-titanium oxide powder and adhesive powder composition, pole plate after compacting is sintered, when pole plate after this sintering is made bipolar electrode plate, intensity and the corrosion resistance of bipolar electrode plate can be improved further, and improve conductivity and the stability of bipolar electrode plate.Due to prepare pole plate process in decrease plumbous use, the technical scheme that the embodiment of the present invention provides solves the use due to lead in prior art, causes the use of lead acid accumulator to bring the problem of huge environmental pollution.In addition, the preparation method of the pole plate that the embodiment of the present invention provides, technological process is simple, with short production cycle, can industrializedly produce in batches; Further, in preparation process, decrease plumbous use amount, the useful life of battery can be extended.
In addition, the plumbous amount of technical scheme joint that the embodiment of the present invention provides can reach 50% of conventional lead storage cells; The program eliminates the fabrication schedule of bus-bar, newel post and related elements, can reduce by the production process of 20%, and then saves integrated cost and be about 30%-40%, the corrosion also without the need to adopting other techniques to prevent bus-bar and newel post; And the active material of the battery lead plate made by such scheme is more evenly distributed, and resistance is lower, energy density and power density higher, can quick charge, and slow down sulfation in cyclic process.Further, the program is also applicable to high-voltage battery and the lead-acid battery use of more than 100V, and the rate of recovery can reach 100%.
Embodiment 2
For ease of understanding, be specifically described with following instance:
Example one
The epoxy resin of to be the sub-titanium oxide powder of 36g and quality by quality be 24g mixes, and obtains mixed powder; Mixed powder pours dies cavity into; Mixed powder in mould is suppressed under the pressure of 5MPa, obtains the pole plate after suppressing; Pole plate after compacting is sintered 60 minutes at the temperature of 1300 DEG C, obtains the pole plate after sintering.When bipolar electrode plate made by pole plate after this sintering, electric conductivity reaches 5 ~ 30m Ω, and intensity reaches nearly 50MPa, is often only 0.73% of corrosion pole plate weight and can keeps when being less than 500 DEG C stablizing.
Example two
The phenolic resins powder of to be the sub-titanium oxide powder of 48g and quality by quality be 12g mixes, and obtains mixed powder; Mixed powder pours dies cavity into; Mixed powder in mould is suppressed under the pressure of 50MPa, obtains the pole plate after suppressing; Pole plate after compacting is sintered 80 minutes at the temperature of 1100 DEG C, obtains the pole plate after sintering.When bipolar electrode plate made by pole plate after this sintering, electric conductivity reaches 5 ~ 30m Ω, and intensity reaches nearly 50MPa, is often only 0.73% of corrosion pole plate weight and can keeps when being less than 500 DEG C stablizing.
Example three
Be that the sub-titanium oxide powder of 54g, the epoxy resin of 4g and the phenolic resins powder of 2g mix by quality, obtain mixed powder; Mixed powder pours dies cavity into; Mixed powder in mould is suppressed under the pressure of 100MPa, obtains the pole plate after suppressing; Pole plate after compacting is sintered 300 minutes at the temperature of 600 DEG C, obtains the pole plate after sintering.When bipolar electrode plate made by pole plate after this sintering, electric conductivity reaches 5 ~ 30m Ω, and intensity reaches nearly 50MPa, is often only 0.73% of corrosion pole plate weight and can keeps when being less than 500 DEG C stablizing.
Example four
The polyvinyl butyral resin phenol-formaldehyde resin modified powder of to be the sub-titanium oxide powder of 48g and quality by quality be 12g mixes, and obtains mixed powder; Mixed powder pours dies cavity into; Mixed powder in mould is suppressed under the pressure of 50MPa, obtains the pole plate after suppressing; Pole plate after compacting is sintered 90 minutes at the temperature of 1000 DEG C, obtains the pole plate after sintering.When bipolar electrode plate made by pole plate after this sintering, electric conductivity reaches 5 ~ 30m Ω, and intensity reaches nearly 50MPa, is often only 0.73% of corrosion pole plate weight and can keeps when being less than 500 DEG C stablizing.
Example five
The phenolic resins powder of to be the sub-titanium oxide powder of 42g and quality by quality be 16g mixes, and obtains mixed powder; Mixed powder pours dies cavity into; Mixed powder in mould is suppressed under the pressure of 80MPa, obtains the pole plate after suppressing; Pole plate after compacting is sintered 150 minutes at the temperature of 850 DEG C, obtains the pole plate after sintering.When bipolar electrode plate made by pole plate after this sintering, electric conductivity reaches 5 ~ 30m Ω, and intensity reaches nearly 50MPa, is often only 0.73% of corrosion pole plate weight and can keeps when being less than 500 DEG C stablizing.
Example six
The epoxy resin of to be the sub-titanium oxide powder of 50g and quality by quality be 10g mixes, and obtains mixed powder; Mixed powder pours dies cavity into; Mixed powder in mould is suppressed under the pressure of 50MPa, obtains the pole plate after suppressing; Pole plate after compacting is sintered 60 minutes at the temperature of 1200 DEG C, obtains the pole plate after sintering.When bipolar electrode plate made by pole plate after this sintering, electric conductivity reaches 5 ~ 30m Ω, and intensity reaches nearly 50MPa, is often only 0.73% of corrosion pole plate weight and can keeps when being less than 500 DEG C stablizing.
The present invention has following beneficial effect: due to after being suppressed by the mixed powder of sub-titanium oxide powder and adhesive powder composition, pole plate after compacting is sintered, when pole plate after this sintering is made bipolar electrode plate, intensity and the corrosion resistance of bipolar electrode plate can be improved further, and improve conductivity and the stability of bipolar electrode plate.Due to prepare pole plate process in decrease plumbous use, the technical scheme that the embodiment of the present invention provides solves the use due to lead in prior art, causes the use of lead acid accumulator to bring the problem of huge environmental pollution.In addition, the preparation method of the pole plate that the embodiment of the present invention provides, technological process is simple, with short production cycle, can industrializedly produce in batches; Further, in preparation process, decrease plumbous use amount, the useful life of battery can be extended.
In addition, the plumbous amount of technical scheme joint that the embodiment of the present invention provides can reach 50% of conventional lead storage cells; The program eliminates the fabrication schedule of bus-bar, newel post and related elements, can reduce by the production process of 20%, and then saves integrated cost and be about 30%-40%, the corrosion also without the need to adopting other techniques to prevent bus-bar and newel post; And the active material of the battery lead plate made by such scheme is more evenly distributed, and resistance is lower, energy density and power density higher, can quick charge, and slow down sulfation in cyclic process.Further, the program is also applicable to high-voltage battery and the lead-acid battery use of more than 100V, and the rate of recovery can reach 100%.
The sequencing of above embodiment, only for ease of describing, does not represent the quality of embodiment.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a preparation method for pole plate, is characterized in that, comprising:
S10, sub-titanium oxide powder and adhesive powder are mixed, obtain mixed powder, the mass percent of described sub-titanium oxide powder is 60% ~ 90%, and the mass percent of described adhesive powder is 10% ~ 40%;
S20, pour described mixed powder into dies cavity, in described dies cavity, one deck release agent is set uniformly;
S30, the mixed powder in described mould to be suppressed under the pressure of 5MPa ~ 100MPa, obtain the pole plate after suppressing;
S40, the pole plate after described compacting is sintered 10min ~ 600min at the temperature of 600 DEG C ~ 1300 DEG C, obtain the pole plate after sintering.
2. the preparation method of pole plate according to claim 1, is characterized in that, described sintering carries out under the condition of vacuum, protective gas or reducibility gas.
3. the preparation method of pole plate according to claim 1 and 2, is characterized in that, described adhesive, comprising:
One or more in thermoplastic resin, thermosetting resin and phenol-formaldehyde resin modified.
4. the preparation method of pole plate according to claim 3, is characterized in that, described thermoplastic resin, comprising:
One or more in polyvinyl resin, polyvinylidene fluoride resin, acrylonitrile-butadiene-styrene copolymer resin and peo resin.
5. the preparation method of pole plate according to claim 3, is characterized in that, described thermosetting resin, comprising:
One or more in phenolic resins, amino resins, novolac epoxy resin, organic siliconresin, epoxy resin, unsaturated polyester (UP) and silicon ether resin.
6. the preparation method of pole plate according to claim 3, is characterized in that, described phenol-formaldehyde resin modified, comprising:
One or more in polyamide modified phenolic resins, dicyandiamide modified phenolic resins, epoxy modified phenolic resin and Pioloform, polyvinyl acetal phenol-formaldehyde resin modified.
7. the preparation method of pole plate according to claim 1 and 2, is characterized in that, described sub-titanium oxide, comprising:
Ti
4o
7and Ti
5o
9, described Ti
4o
7mass percent be 70% ~ 98%, described Ti
5o
9mass percent be 2% ~ 30%.
8. the preparation method of the pole plate according to 1 or 2, is characterized in that, also comprises:
S50, the pole plate after described sintering is carried out deburring arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429350.XA CN105374987A (en) | 2014-08-28 | 2014-08-28 | Preparation method for polar plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429350.XA CN105374987A (en) | 2014-08-28 | 2014-08-28 | Preparation method for polar plate |
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|---|---|
| CN105374987A true CN105374987A (en) | 2016-03-02 |
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|---|---|---|---|
| CN201410429350.XA Pending CN105374987A (en) | 2014-08-28 | 2014-08-28 | Preparation method for polar plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776429A (en) * | 2016-03-15 | 2016-07-20 | 中国矿业大学(北京) | Circular tubular titanium black membrane electrode with electrochemical oxidation activity and preparation method of circular tubular titanium black membrane electrode |
| CN109678494A (en) * | 2019-02-22 | 2019-04-26 | 中国科学院过程工程研究所 | A kind of Asia Titanium oxide electrode piece and its preparation method and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5173215A (en) * | 1991-02-21 | 1992-12-22 | Atraverda Limited | Conductive titanium suboxide particulates |
| CN102208629A (en) * | 2011-05-19 | 2011-10-05 | 王惠平 | Preparation method of bipolar electrode plate for battery |
| CN103303971A (en) * | 2013-06-24 | 2013-09-18 | 四川大学 | Method of preparing electrode material by utilizing Ti4O7 powder |
| WO2014049288A1 (en) * | 2012-09-28 | 2014-04-03 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Molten grains of titanium sub-oxides and ceramic products comprising such grains |
-
2014
- 2014-08-28 CN CN201410429350.XA patent/CN105374987A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5173215A (en) * | 1991-02-21 | 1992-12-22 | Atraverda Limited | Conductive titanium suboxide particulates |
| CN102208629A (en) * | 2011-05-19 | 2011-10-05 | 王惠平 | Preparation method of bipolar electrode plate for battery |
| WO2014049288A1 (en) * | 2012-09-28 | 2014-04-03 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Molten grains of titanium sub-oxides and ceramic products comprising such grains |
| CN103303971A (en) * | 2013-06-24 | 2013-09-18 | 四川大学 | Method of preparing electrode material by utilizing Ti4O7 powder |
Non-Patent Citations (1)
| Title |
|---|
| 蔡珣: "《材料科学与工程基础》", 31 December 2010 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776429A (en) * | 2016-03-15 | 2016-07-20 | 中国矿业大学(北京) | Circular tubular titanium black membrane electrode with electrochemical oxidation activity and preparation method of circular tubular titanium black membrane electrode |
| CN109678494A (en) * | 2019-02-22 | 2019-04-26 | 中国科学院过程工程研究所 | A kind of Asia Titanium oxide electrode piece and its preparation method and application |
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Application publication date: 20160302 |