CN103594675A - High-capacity storage battery and production method thereof - Google Patents
High-capacity storage battery and production method thereof Download PDFInfo
- Publication number
- CN103594675A CN103594675A CN201310474991.2A CN201310474991A CN103594675A CN 103594675 A CN103594675 A CN 103594675A CN 201310474991 A CN201310474991 A CN 201310474991A CN 103594675 A CN103594675 A CN 103594675A
- Authority
- CN
- China
- Prior art keywords
- pole plate
- positive
- bus
- negative
- lug
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
- H01M50/541—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges for lead-acid accumulators
-
- 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
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
- H01M10/125—Cells or batteries with wound or folded electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/14—Electrodes for lead-acid accumulators
-
- 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 of a single cell or a single battery
- H01M50/147—Lids or covers
-
- 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 of a single cell or a single battery
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
Abstract
The invention relates to the field of storage batteries and particularly relates to a high-capacity storage battery and a production method thereof. The storage battery comprises a shell, a cluster box, pole plates arranged inside the cluster box, and plate separation paper, wherein an upper cover is arranged at the upper part of the shell, pole lugs are arranged at the upper edges of the pole plates, positive pole pillars and negative pole pillars are arranged on the pole plates, positive bus bars, negative bus bars and bus bars are arranged at the upper parts of the pole plates, and the bus bars are connected two by two. According to the high-capacity storage battery and the production method thereof, the work procedures of the additional installation of an O-shaped sealing ring, shearing of the positive and negative pole pillars and dropping of glue can be eliminated, so that the production procedure of the storage battery is simplified, the labor cost is lowered, the resources are saved, the structure is simple, the capacity is high, the production process is simple, the cost is saved, the social and economic development prospect is good, and the promotion is easy.
Description
Technical field
The present invention relates to storage battery field, particularly a kind of high-capacity battery and production method thereof.
Background technology
Development along with national economy, the raising of scientific and technological progress and people's lives, the application of storage battery is increasingly extensive, accumulator structure on existing market is that bus-bar is connected with lug mostly, bus-bar is provided with gap bridge post, in order to improve cell voltage, and the splicing of passing a bridge between gap bridge post, cluster is cascaded, and battery provides electric energy to be improved.But the electric vehicle loading of consumer demand is increasing, rate request also improves relatively, for this reason, the motor of manufacturer is just increasing, the space of electric motor car packed battery does not increase, particularly the requirement of electric motor car stroke in use, is not increasing under the prerequisite of battery case volume, and how improving battery capacity is problem demanding prompt solution.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of novelty simple in structure, battery capacity is large, sealing is strong and the simple high-capacity battery of production technology and production method thereof.
According to design provided by the present invention, a kind of high-capacity battery, comprise housing, be arranged on the cluster box of enclosure interior, be arranged on the pole plate in cluster box, separator paper, described housing top is provided with a upper cover, in enclosure interior, be provided with polylith pole plate, described pole plate top edge is provided with lug, pole plate is provided with positive terminal and negative terminal, described lug is located at a side of pole plate top edge, described pole plate top is provided with positive bus, negative bus and bus-bar, described lug and positive bus, negative bus and bus-bar are connected, described bus-bar connects between two, described positive terminal is connected with positive bus, described negative terminal is connected with negative bus.
According to above-mentioned high-capacity battery, described upper cover comprises positive and negative terminal pole column hole, positive bus glue groove, negative bus glue groove, conflux binder removal groove and insulation rubber groove, described in the binder removal groove that confluxes corresponding with bus-bar and be communicated with between two.
According to above-mentioned high-capacity battery, described positive terminal is connected with positive terminal terminal, is provided with insulator cap and seals with color glue between described positive terminal terminal and upper cover.
According to above-mentioned high-capacity battery, described negative terminal is connected with negative terminal terminal, is provided with insulator cap and seals with color glue between described negative terminal terminal and upper cover.
According to above-mentioned high-capacity battery, described insulator cap is plastic cap.
A production method for above-mentioned high-capacity battery, comprises following steps:
Pole plate after step 5. wrapper sheet is put in cluster box, and lug and bus-bar are welded together;
Step 6. rubber seal Storage Battery Top Cover;
Step 7., with there being tooth sleeve to get out positive and negative pole, welds together binding post respectively with positive and negative pole, and adds positive and negative color glue at binding post pad, obtains semi-finished product battery;
Step 8. pair semi-finished product battery carries out acid dosing and charging, obtains finished product battery.
According to the production method of above-mentioned high-capacity battery, in described step 1, the former pole plate of pole plate aspect ratio of cast is high by 5%, the high 3mm of the former lug of aspect ratio of lug, omits gap bridge post, makes the total height of lug and pole plate equal the total height of former pole plate, former lug and gap bridge post.
According to the production method of above-mentioned high-capacity battery, described step 7 has been omitted and has been installed O RunddichtringO additional, cuts positive and negative pole, and drips the operation of glue.
The beneficial effect of high-capacity battery of the present invention and production method thereof:
1. high-capacity battery of the present invention is simple in structure, novel, battery capacity is large and tie point sealing is strong, production technology is simple, pole plate is higher by 5% than the former pole plate generally using in the market, lug is than the high 3mm of former lug and to pole plate top edge one lateral deviation, and the total height of lug and pole plate is equivalent to the total height of former pole plate, former lug and gap bridge post, and the height of pole plate increases, conductive area can double to increase, and relative capacity promotes.
2. high-capacity battery of the present invention and production method thereof are omitted gap bridge post, reduce the splicing operation of passing a bridge, bus-bar is connected sustained height with former gap bridge, battery capacity promotes relatively, and the special-purpose upper cover sealing of corresponding structure is buried and had to the sealed glue of bus-bar tie point and positive and negative terminals, avoids sheet and bus-bar corrosion.
3. the operation of positive and negative terminals and a glue is omitted and install O RunddichtringO additional, cut to high-capacity battery of the present invention and production method thereof, simplifies the production process of storage battery, reduces cost of labor, saving resource.
4. high-capacity battery of the present invention is simple in structure, high power capacity, and production technology is simple, and cost-saving, there is good socio-economic development prospect, be easy to promote.
accompanying drawing explanation:
Fig. 1 is the internal structure schematic diagram of storage battery in prior art;
Fig. 2 is the overall structure schematic diagram of storage battery shown in Fig. 1;
Fig. 3 is the structural representation of the pole plate shown in Fig. 1;
Fig. 4 is the internal structure schematic diagram of high-capacity battery of the present invention;
Fig. 5 is the overall structure schematic diagram shown in Fig. 4 of the present invention;
Fig. 6 is the structural representation of the pole plate shown in Fig. 4 of the present invention;
Fig. 7 is the structural representation of the upper cover shown in Fig. 4 of the present invention;
Fig. 8 by the present invention the use sleeve cross-sectional view of boring;
Fig. 9 is the production method flow chart of high-capacity battery in the present invention.
embodiment:
Number in the figure 1 represents housing, label 2 represents pole plate, label 3 represents gap bridge post, label 4 represents lug, label 5 represents bus-bar, label 6 represents the connection between bus-bar, label D-1 represents O RunddichtringO, label D-2 represents lug plate, label D-3 representative sealing primer, label D-4 represents color glue, label E-1 represents insulator cap, label E-2 represents binding post, label E-3 represents color glue, label C-1 represents the binder removal groove that confluxes, label C-2 represents positive bus glue groove, label C-3 represents negative bus glue groove, label C-4 represents pole column hole, label C-5 represents insulation rubber groove, label F-1 representative has serrated knife, label F-2 represents tool rest, label F-3 represents drill body.
Below in conjunction with accompanying drawing, technical scheme of the present invention is further explained to explanation.
Shown in Fig. 1 ~ 9, a kind of high-capacity battery, comprise housing 1, be arranged on the cluster box of housing 1 inside, be arranged on the pole plate 2 in cluster box, separator paper, described housing top is provided with a upper cover, in enclosure interior, be provided with polylith pole plate 2, described pole plate 2 top edge are provided with lug 4, pole plate 2 is provided with positive terminal and negative terminal, described lug 4 is located at a side of pole plate 2 top edge, described pole plate 2 tops are provided with positive bus, negative bus and bus-bar 5, described lug 4 and positive bus, negative bus and bus-bar 5 are connected, described bus-bar 5 connects between two, described positive terminal is connected with positive bus, described negative terminal is connected with negative bus.Described upper cover comprises positive and negative terminal pole column hole C-4, positive bus glue groove C-2, negative bus glue groove C-3, conflux binder removal groove C-1 and insulation rubber groove C-5, described in the binder removal groove C-1 that confluxes corresponding with bus-bar 5 and be communicated with between two.Described positive terminal is connected with positive terminal terminal, is provided with insulator cap E-1 and seals with color glue E-3 between described positive terminal terminal and upper cover.Described negative terminal is connected with negative terminal terminal, is provided with insulator cap E-1 and seals with color glue E-3 between described negative terminal terminal and upper cover.Described insulator cap E-1 is plastic cap.
A production method for above-mentioned high-capacity battery, comprises following steps:
Pole plate after step 5. wrapper sheet is put in cluster box, and lug and bus-bar are welded together;
Step 6. rubber seal Storage Battery Top Cover;
Step 7., with there being tooth sleeve to get out positive and negative pole, welds together binding post respectively with positive and negative pole, and adds positive and negative color glue at binding post pad, obtain semi-finished product battery, omitted and installed O RunddichtringO additional, cut positive and negative pole, and dripped the operation of glue;
Step 8. pair semi-finished product battery carries out acid dosing and charging, obtains finished product battery.
High-capacity battery of the present invention is simple in structure, novel, battery capacity is large and tie point sealing is strong, production technology is simple, pole plate is higher by 5% than the former pole plate generally using in the market, lug is than the high 3mm of former lug and to pole plate top edge one lateral deviation, the total height of lug and pole plate is equivalent to former pole plate, the total height of former lug and gap bridge post, the height of pole plate increases, conductive area can double to increase, relative capacity promotes, in production method of the present invention, omit and install O RunddichtringO additional, cut the operation of positive and negative terminals and a glue, simplify the production process of storage battery, reduce cost of labor, saving resource.
The present invention is not limited to above-mentioned embodiment, and those skilled in the art also can make multiple variation accordingly, but any and the present invention are equal to or similarly change and all should be encompassed in the scope of the claims in the present invention.
Claims (7)
1. a high-capacity battery, comprise housing, be arranged on the cluster box of enclosure interior, be arranged on the pole plate in cluster box, separator paper, described housing top is provided with a upper cover, in enclosure interior, be provided with polylith pole plate, described pole plate top edge is provided with lug, pole plate is provided with positive terminal and negative terminal, it is characterized in that: described lug is located at a side of pole plate top edge, described pole plate top is provided with positive bus, negative bus and bus-bar, described lug and positive bus, negative bus and bus-bar are connected, described bus-bar connects between two, described positive terminal is connected with positive bus, described negative terminal is connected with negative bus.
2. high-capacity battery according to claim 1, it is characterized in that: described upper cover comprises positive and negative terminal pole column hole, positive bus glue groove, negative bus glue groove, conflux binder removal groove and insulation rubber groove, described in the binder removal groove that confluxes corresponding with bus-bar and be communicated with between two.
3. high-capacity battery according to claim 1, is characterized in that: described positive terminal is connected with positive terminal terminal, is provided with insulator cap and seals with color glue between described positive terminal terminal and upper cover.
4. high-capacity battery according to claim 1, is characterized in that: described negative terminal is connected with negative terminal terminal, is provided with insulator cap and seals with color glue between described negative terminal terminal and upper cover.
5. a production method for the high-capacity battery described in claim 1 ~ 4 any one, is characterized in that: comprise following steps:
Step 1. is poured into a mould pole plate, increases the height of pole plate and lug, omits the processing of gap bridge post;
Step 2. is coated with lead plaster on the pole plate of having poured into a mould, and the polar plate solidification that scribbles wet lead plaster is dry;
Step 3. pair is solidified dried pole plate and is carried out outward appearance polishing, obtains finished product pole plate;
Step 4. pair finished product pole plate carries out combo, and with separator paper, pole plate is carried out to wrapper sheet;
Pole plate after step 5. wrapper sheet is put in cluster box, and lug and bus-bar are welded together;
Step 6. rubber seal Storage Battery Top Cover;
Step 7., with there being tooth sleeve to get out positive and negative pole, welds together binding post respectively with positive and negative pole, and adds positive and negative color glue at binding post pad, obtains semi-finished product battery;
Step 8. pair semi-finished product battery carries out acid dosing and charging, obtains finished product battery.
6. the production method of high-capacity battery according to claim 5, it is characterized in that: in described step 1, the former pole plate of pole plate aspect ratio of cast is high by 5%, the high 3mm of the former lug of aspect ratio of lug, omit gap bridge post, make the total height of lug and pole plate equal the total height of former pole plate, former lug and gap bridge post.
7. the production method of high-capacity battery according to claim 5, is characterized in that: described step 7 is omitted and installed O RunddichtringO additional, cuts positive and negative pole, and drips the operation of glue.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310474991.2A CN103594675A (en) | 2013-10-12 | 2013-10-12 | High-capacity storage battery and production method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310474991.2A CN103594675A (en) | 2013-10-12 | 2013-10-12 | High-capacity storage battery and production method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN103594675A true CN103594675A (en) | 2014-02-19 |
Family
ID=50084730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310474991.2A Pending CN103594675A (en) | 2013-10-12 | 2013-10-12 | High-capacity storage battery and production method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103594675A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104064718A (en) * | 2013-08-16 | 2014-09-24 | 超威电源有限公司 | Lead-acid storage battery and electric vehicle applying same |
CN104577027A (en) * | 2014-12-17 | 2015-04-29 | 超威电源有限公司 | Valve-regulated acid storage battery and assembly process thereof |
CN107768739A (en) * | 2017-10-19 | 2018-03-06 | 广州倬粤动力新能源有限公司 | A kind of manufacture craft of Environmental Protection Level carbon alloy battery |
CN107994145A (en) * | 2017-11-20 | 2018-05-04 | 肇庆中特能科技投资有限公司 | Seal antidetonation storage battery and preparation method thereof |
CN109390506A (en) * | 2018-10-10 | 2019-02-26 | 超威电源有限公司 | The forming method of sealing structure and the sealing structure between a kind of battery multi-cell battery |
CN114420993A (en) * | 2022-03-30 | 2022-04-29 | 宁德新能源科技有限公司 | Electrochemical device and electronic apparatus |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201946668U (en) * | 2011-01-31 | 2011-08-24 | 张勇 | Lead-acid battery |
WO2012132477A1 (en) * | 2011-03-31 | 2012-10-04 | パナソニック株式会社 | Lead-acid storage battery and electric vehicle |
CN202633457U (en) * | 2012-05-30 | 2012-12-26 | 隋明奎 | Double-row lead-coated copper grid storage battery |
CN202839822U (en) * | 2012-09-17 | 2013-03-27 | 宋国松 | Valve control sealing type lead-acid storage battery gap bridge connecting structure |
CN203589119U (en) * | 2013-10-12 | 2014-05-07 | 河南超威电源有限公司 | High-capacity storage battery |
-
2013
- 2013-10-12 CN CN201310474991.2A patent/CN103594675A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201946668U (en) * | 2011-01-31 | 2011-08-24 | 张勇 | Lead-acid battery |
WO2012132477A1 (en) * | 2011-03-31 | 2012-10-04 | パナソニック株式会社 | Lead-acid storage battery and electric vehicle |
CN202633457U (en) * | 2012-05-30 | 2012-12-26 | 隋明奎 | Double-row lead-coated copper grid storage battery |
CN202839822U (en) * | 2012-09-17 | 2013-03-27 | 宋国松 | Valve control sealing type lead-acid storage battery gap bridge connecting structure |
CN203589119U (en) * | 2013-10-12 | 2014-05-07 | 河南超威电源有限公司 | High-capacity storage battery |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104064718A (en) * | 2013-08-16 | 2014-09-24 | 超威电源有限公司 | Lead-acid storage battery and electric vehicle applying same |
CN104577027A (en) * | 2014-12-17 | 2015-04-29 | 超威电源有限公司 | Valve-regulated acid storage battery and assembly process thereof |
CN107768739A (en) * | 2017-10-19 | 2018-03-06 | 广州倬粤动力新能源有限公司 | A kind of manufacture craft of Environmental Protection Level carbon alloy battery |
CN107994145A (en) * | 2017-11-20 | 2018-05-04 | 肇庆中特能科技投资有限公司 | Seal antidetonation storage battery and preparation method thereof |
CN109390506A (en) * | 2018-10-10 | 2019-02-26 | 超威电源有限公司 | The forming method of sealing structure and the sealing structure between a kind of battery multi-cell battery |
CN109390506B (en) * | 2018-10-10 | 2021-06-18 | 超威电源集团有限公司 | Sealing structure between multiple single-cell batteries of battery and forming method of sealing structure |
CN114420993A (en) * | 2022-03-30 | 2022-04-29 | 宁德新能源科技有限公司 | Electrochemical device and electronic apparatus |
CN114420993B (en) * | 2022-03-30 | 2022-07-05 | 宁德新能源科技有限公司 | Electrochemical device and electronic apparatus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103594675A (en) | High-capacity storage battery and production method thereof | |
CN203826467U (en) | Lead-acid storage battery and electric vehicle applying same | |
CN205960150U (en) | Take lithium cell of USB output and microUSB input interface | |
CN203967209U (en) | The capacity of a kind of 12V is 100Ah and following horizontal lead acid accumulator | |
CN202797173U (en) | Low-heat high-efficiency 2.5 V Ni-MH battery | |
CN203589119U (en) | High-capacity storage battery | |
CN203521506U (en) | Motorcycle battery | |
CN201956432U (en) | Lithium ion power battery module | |
CN206976447U (en) | A kind of new-energy automobile lithium battery group | |
CN203039033U (en) | Power-type lithium-ion battery | |
CN202405358U (en) | Span bridge conjoining structure for multiple monomer lead acid storage batteries | |
CN105428566A (en) | Lithium ion battery with low internal resistance and high shock resistance | |
CN202150505U (en) | Terminal of storage battery | |
CN205303542U (en) | Low high anti vibration lithium ion battery of internal resistance | |
CN203085653U (en) | Liquid injection hole sealing structure of square lithium ion power battery | |
CN203277520U (en) | Lead-acid storage battery | |
CN201966257U (en) | Upper cover for increasing effective space of storage battery | |
CN204516827U (en) | A kind of ferric phosphate lithium cell monolithic module series parallel structure | |
CN203631641U (en) | Three-dimensional lithium ion battery distance ring with anode distance piece | |
CN101615695A (en) | Utilization is with the method for lateral electrode electricity core low-pressure injection molding technology to the encapsulation of both positive and negative polarity heteropleural electricity core | |
CN204927408U (en) | Vice electrical pillar's of area lead acid battery terminal and electric motor car | |
CN201608244U (en) | High-power lithium ion power battery provided with uncharged steel casing | |
CN203932189U (en) | A kind of terminal hidden storage battery | |
CN204155989U (en) | A kind of lead accumulator disjunctor process safety valve | |
CN102810695A (en) | Manufacturing method of maintenance-free motorcycle battery |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C12 | Rejection of a patent application after its publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140219 |