CN104979590A - Explosion-proof early-warning lithium battery - Google Patents
Explosion-proof early-warning lithium battery Download PDFInfo
- Publication number
- CN104979590A CN104979590A CN201510408621.8A CN201510408621A CN104979590A CN 104979590 A CN104979590 A CN 104979590A CN 201510408621 A CN201510408621 A CN 201510408621A CN 104979590 A CN104979590 A CN 104979590A
- Authority
- CN
- China
- Prior art keywords
- explosion
- film
- proof
- point
- lithium battery
- 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.)
- Granted
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 26
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011261 inert gas Substances 0.000 claims abstract description 4
- 230000006837 decompression Effects 0.000 claims description 24
- 239000010946 fine silver Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000012780 transparent material Substances 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 7
- 210000003739 neck Anatomy 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 12
- 230000008016 vaporization Effects 0.000 description 7
- 238000009834 vaporization Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005987 sulfurization reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 230000002265 prevention Effects 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
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/317—Re-sealable arrangements
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/375—Vent means sensitive to or responsive to temperature
-
- 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 an explosion-proof early-warning lithium battery. The explosion-proof early-warning lithium battery comprises a housing, an electrical core, and an explosion-proof component. A film-separating shaft, rotatable around the axial of itself, is installed on a pedestal; a translation rotating cylinder, an inner peripheral wall of which is provided with threads, sleeves the film-separating shaft; the mouth of the translation rotating cylinder is equipped with a hydroseal sheet fixed on the film-separating shaft; and the hydroseal sheet, the translation rotating cylinder, and the film-separating shaft form a cylindrical sealed cavity, which is filled with an inert gas. Elastic film-separating blades are circumferentially arranged at the top end of the film-separating shaft; an explosion-proof lid, having a coincident axis with the film-separating shaft, covers the film-separating blades; pressure releasing holes are formed in the lid necks; and spacing baffles are installed below the pressure releasing holes and fixed on the lid necks. The lithium battery can give an alarm out after thermal expansion, and can automatically release pressure to effectively prevent explosion.
Description
Technical field
The present invention relates to a kind of lithium battery, especially, is a kind of lithium battery with step-down, explosion prevention function.
Background technology
Compared to traditional lead acid accumulator, lithium battery has obvious advantage, and its energy Ratios is higher, longer service life, rated voltage are higher, self-discharge rate is lower, and quality is lighter simultaneously, more energy-conserving and environment-protective, plurality of advantages makes lithium battery be widely used in each corner of life; But still there is potential safety hazard in current lithium battery, lithium battery by use in recent years in, often report that lithium battery explodes in charging process; The explosion cause of lithium battery is roughly divided into three kinds: external short circuit, internal short-circuit, over-charging of battery; Its direct explosion cause is that battery short circuit result in internal temperature and raises, and the electrolyte in battery is heated vaporization, makes cell expansion, and then produces and explode; Percentage of batteries even can make electrolyte burn, and causes serious security incident.
Summary of the invention
For the problems referred to above, the invention provides a kind of explosion-proof early warning lithium battery, this lithium battery can send warning when expanded by heating, simultaneously can step-down automatically, effectively prevents battery explosion.
For solving the problem, the technical solution adopted in the present invention is: this explosion-proof early warning lithium battery includes housing, battery core and explosion-proof parts; Described explosion-proof parts include the pedestal being fixed on housing lower surface; Described pedestal is provided with one can around point film rotating shaft of own axis; Described point of film rotating shaft is arranged with the translation rotating cylinder that internal perisporium is carved with spiral, and described translation rotating cylinder only can along described point of film rotating shaft upper and lower translation under the restriction of spacing pole; The fluid-tight sheet be fixed in described point film rotating shaft is installed at the nozzle of described translation rotating cylinder; The closed cavity of described fluid-tight sheet, translation rotating cylinder and point film rotating shaft makeup ring tubular, is filled with inert gas in described closed cavity; Flexible point of film blade is evenly equipped with in the top circumference of described point of film rotating shaft; Be covered with the Explosion-proof cap coaxial with described point of film rotating shaft at described point of film blade upper cover, the caping of described Explosion-proof cap exposes housing upper surface, and described Explosion-proof cap is fixed on housing by adhesive; The lid neck of described Explosion-proof cap puts in described housing along dividing the axis of film rotating shaft; Described lid neck offers decompression hole, the postive stop baffle be fixed on described lid neck is also installed in the below of described decompression hole.
The invention has the beneficial effects as follows: when producing, by selecting the adhesive of different firmness, the bonding firmness namely between adjustable Explosion-proof cap and housing, and then the maximum pressure that regulating cell inside can allow; In battery charge and discharge process, inside battery can produce certain heat, and the pressure in battery has increase by a small margin; But because a point film blade is covered by Explosion-proof cap, described caping and a point film blade contact, under the restriction of frictional force, point film blade keeps inactive state, is that elastic bending state is housed in Explosion-proof cap with time-division film blade.
When there is the abnormalities such as short circuit when battery, the temperature of inside battery rises fast, and electrolyte is heated vaporization, and the pressure of inside battery increases fast; When pressure exceedes safety value, described Explosion-proof cap is backed down, and Explosion-proof cap is along axis upward sliding, and the caping of Explosion-proof cap does not contact with a point film blade, and frictional force disappears; Now described decompression hole exposes the upper surface of housing, and the electrolyte of vaporization sheds in housing, and battery pressure reduces, and then prevents battery explosion; Liquid electrolyte may be had form liquid film at decompression hole place while the electrolyte of vaporization sheds, and then decompression hole is blocked, now battery recovers air-tight state again, pressure in battery increases again, the pressure increased makes the contraction of gas in translation rotating cylinder, volume in translation rotating cylinder reduces, and described translation rotating cylinder moves down; Along with moving down of translation rotating cylinder, described fluid-tight sheet rotates along the spiral of translation rotating cylinder, and then drive point film rotating shaft and point film blade rotation, when point film blade is through decompression hole, film blade is divided to be stretched by elastic bending state, point film blade stretches out from decompression hole and is broken by the liquid film bullet getting lodged in decompression hole, thus enables the decompression hole electrolyte of carburation by spraying, step-down again.
Delicate structure of the present invention, can step-down automatically when inside battery pressure exceedes critical value, and can effectively prevent electrolyte from blocking decompression hole, make pressure all-the-time stable in battery in controlled range, there will not be the situation that dropping valve is plugged, therefore use safer.
As preferably, two described explosion-proof parts are installed the upper and lower surface of described housing is rotational symmetric; When battery expands, the gas sprayed in described explosion-proof parts can make battery produce turning moment, is convenient to battery and departs from from charger, to realize open circuit; Eruption power conversion can be become rotation function simultaneously, reduce the scope that battery is jet, blast involves, make battery safer.
As preferably, each described point film blade is made up of two parallel springing sheets; Gas, when spraying from decompression hole, drives the vibration of springing sheet, and make lithium battery produce buzz, reminding user battery charging state is abnormal.
As preferably, described caping is made by transparent material; So that observe the state of point film blade.
As further preferably, described point of film blade scribbles fine silver layer; A point film blade for original-pack battery is silvery white in color, and the battery inferior through reclaiming, and because a point film blade exposes mistake in atmosphere, the oxidized or sulfuration of fine silver layer, can show black; Therefore the quality of battery tentatively can be judged by observing point film blade.
Accompanying drawing explanation
Fig. 1 is the stereochemical structure simplified schematic diagram of this explosion-proof early warning lithium battery embodiment.
Fig. 2 is side structure schematic diagram embodiment illustrated in fig. 1.
Fig. 3 be embodiment illustrated in fig. 1 in the structure for amplifying schematic diagram of explosion-proof parts when battery is normal.
Fig. 4 be embodiment illustrated in fig. 1 in point structure for amplifying schematic diagram of film blade when battery is normal.
Fig. 5 be embodiment illustrated in fig. 1 in the structure for amplifying schematic diagram of explosion-proof parts when battery is abnormal.
Fig. 6 be embodiment illustrated in fig. 1 in point film blade structure for amplifying schematic diagram when battery is abnormal.
Embodiment
Embodiment
In embodiment shown in Fig. 1 to Fig. 6, this explosion-proof early warning lithium battery includes housing 1, battery core and explosion-proof parts; Two described explosion-proof parts are installed the upper and lower surface of described housing 1 is rotational symmetric; Described explosion-proof parts include the pedestal 2 being fixed on housing 1 lower surface; Described pedestal 2 is provided with one can around point film rotating shaft 3 of own axis; Described point of film rotating shaft 3 is arranged with the translation rotating cylinder 4 that internal perisporium is carved with spiral, and described translation rotating cylinder 4 only can along described point of film rotating shaft 3 upper and lower translation under the restriction of spacing pole 41; The fluid-tight sheet 42 be fixed in described point film rotating shaft 3 is installed at the nozzle of described translation rotating cylinder 4; The closed cavity of described fluid-tight sheet 42, translation rotating cylinder 4 and point film rotating shaft 3 makeup ring tubular, is filled with inert gas in described closed cavity; Flexible point of film blade 5 is evenly equipped with in the top circumference of described point of film rotating shaft 3; Each described point of film blade 5 is made up of two parallel springing sheets; Described point of film blade 5 scribbles fine silver layer; Be covered with the Explosion-proof cap 6 coaxial with described point of film rotating shaft 3 at described point of film blade 5 upper cover, the caping 61 that described Explosion-proof cap 6 is transparent exposes housing 1 upper surface, and described Explosion-proof cap 6 is fixed on housing 1 by adhesive; The lid neck 62 of described Explosion-proof cap 6 puts in described housing 1 along dividing the axis of film rotating shaft 3; Described lid neck 62 offers decompression hole 621, the postive stop baffle be fixed on described lid neck 62 is also installed in the below of described decompression hole 621.
When producing, by selecting the adhesive of different firmness, the bonding firmness namely between adjustable Explosion-proof cap 6 and housing 1, and then the maximum pressure that regulating cell inside can allow; In battery charge and discharge process, inside battery can produce certain heat, and the pressure in battery has increase by a small margin; But because a point film blade 5 is covered by Explosion-proof cap 6, described caping 61 contacts with a point film blade 5, under the restriction of frictional force, a point film blade 5 keeps inactive state, is housed in Explosion-proof cap 6 with time-division film blade 5 in elastic bending state; In original-pack battery, described point of film blade 5 forms silvery white owing to having scribbled fine silver layer; After battery is opened, the oxidized or sulfuration of fine silver layer, presents black, and the color of observing point film blade 5 through transparent caping 61 tentatively can judge whether battery is original-pack battery.
When there is the abnormalities such as short circuit when battery, the temperature of inside battery rises fast, and electrolyte is heated vaporization, and the pressure of inside battery increases fast; When pressure exceedes safety value, described Explosion-proof cap 6 is backed down, and Explosion-proof cap 6 is along axis upward sliding, and the caping 61 of Explosion-proof cap 6 does not contact with a point film blade 5, and frictional force disappears; Now described decompression hole 621 exposes the upper surface of housing 1, and the electrolyte of vaporization sheds in housing 1, and battery pressure reduces, and then prevents battery explosion; Liquid electrolyte may be had form liquid film at decompression hole 621 place while the electrolyte of vaporization sheds, and then decompression hole 621 is blocked, now battery recovers air-tight state again, pressure in battery increases again, the pressure increased makes the contraction of gas in translation rotating cylinder 4, volume in translation rotating cylinder 4 reduces, and described translation rotating cylinder 4 moves down; Along with moving down of translation rotating cylinder 4, described fluid-tight sheet 42 rotates along the spiral of translation rotating cylinder 4, and then drive point film rotating shaft 3 and a point film blade 5 to rotate, when point film blade 5 is through decompression hole 621, film blade 5 is divided to be stretched by elastic bending state, point film blade 5 stretches out from decompression hole 621 and is broken by the liquid film bullet getting lodged in decompression hole 621, thus makes decompression hole 621 can the electrolyte of carburation by spraying, step-down again.
In addition, gas, when spraying from decompression hole 621, will drive springing sheet to vibrate, and make lithium battery produce buzz, reminding user battery charging state is abnormal; Simultaneously, due to two rotational symmetric upper and lower surfaces being arranged on described housing 1 of described explosion-proof parts, therefore when battery expands, the gas sprayed in described explosion-proof parts can make battery produce turning moment, be convenient to battery depart from from charger, to realize open circuit; Eruption power conversion can be become rotation function simultaneously, reduce the scope that battery is jet, blast involves, make battery safer.
Delicate structure of the present invention, can step-down automatically when inside battery pressure exceedes critical value, and can effectively prevent electrolyte from blocking decompression hole 621, make pressure all-the-time stable in battery in controlled range, there will not be the situation that dropping valve is plugged, therefore use safer; There is abnormality alarm function simultaneously, and easily can distinguish that battery is good and bad, there is higher commercial value.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. an explosion-proof early warning lithium battery, this explosion-proof early warning lithium battery includes housing (1), battery core and explosion-proof parts; It is characterized in that: described explosion-proof parts include the pedestal (2) being fixed on housing (1) lower surface; Described pedestal (2) is provided with one can around point film rotating shaft (3) of own axis; Described point of film rotating shaft (3) is arranged with the translation rotating cylinder (4) that internal perisporium is carved with spiral, and described translation rotating cylinder (4) only can along described point of film rotating shaft (3) upper and lower translation under the restriction of spacing pole (41); The fluid-tight sheet (42) be fixed in described point film rotating shaft (3) is installed at the nozzle of described translation rotating cylinder (4); The closed cavity of described fluid-tight sheet (42), translation rotating cylinder (4) and point film rotating shaft (3) makeup ring tubular, is filled with inert gas in described closed cavity; Flexible point of film blade (5) is evenly equipped with in the top circumference of described point of film rotating shaft (3); The Explosion-proof cap (6) coaxial with described point of film rotating shaft (3) is covered with at described point of film blade (5) upper cover, the caping (61) of described Explosion-proof cap (6) exposes housing (1) upper surface, and described Explosion-proof cap (6) is fixed on housing (1) by adhesive; The lid neck (62) of described Explosion-proof cap (6) puts in described housing (1) along dividing the axis of film rotating shaft (3); Described lid neck (62) offers decompression hole (621), the postive stop baffle be fixed on described lid neck (62) is also installed in the below of described decompression hole (621).
2. explosion-proof early warning lithium battery according to claim 1, is characterized in that: each described point of film blade (5) is made up of two parallel springing sheets.
3. explosion-proof early warning lithium battery according to claim 1 and 2, is characterized in that: described caping (61) is made by transparent material.
4. explosion-proof early warning lithium battery according to claim 3, is characterized in that: on described point of film blade (5), scribble fine silver layer.
5. explosion-proof early warning lithium battery according to claim 1, is characterized in that: be provided with two described explosion-proof parts the upper and lower surface of described housing (1) is rotational symmetric.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598983.7A CN107293801B (en) | 2015-07-12 | 2015-07-12 | The explosion-proof method for early warning of lithium battery |
| CN201510408621.8A CN104979590B (en) | 2015-07-12 | 2015-07-12 | Explosion-proof early warning lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408621.8A CN104979590B (en) | 2015-07-12 | 2015-07-12 | Explosion-proof early warning lithium battery |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710598983.7A Division CN107293801B (en) | 2015-07-12 | 2015-07-12 | The explosion-proof method for early warning of lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104979590A true CN104979590A (en) | 2015-10-14 |
| CN104979590B CN104979590B (en) | 2018-05-18 |
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| CN201710598983.7A Active CN107293801B (en) | 2015-07-12 | 2015-07-12 | The explosion-proof method for early warning of lithium battery |
| CN201510408621.8A Active CN104979590B (en) | 2015-07-12 | 2015-07-12 | Explosion-proof early warning lithium battery |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710598983.7A Active CN107293801B (en) | 2015-07-12 | 2015-07-12 | The explosion-proof method for early warning of lithium battery |
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| CN (2) | CN107293801B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115693014B (en) * | 2022-12-30 | 2023-03-10 | 旭派电源有限公司 | Lead-acid batteries exhaust lid structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1638156A2 (en) * | 2004-09-20 | 2006-03-22 | Franco Stocchiero | Accumulator with explosion-proof valve device. |
| CN201725823U (en) * | 2010-05-04 | 2011-01-26 | 广州捷力新能源科技有限公司 | Multifunctional battery shell explosion-proof device with integrated cover plate |
| CN102447133A (en) * | 2010-10-12 | 2012-05-09 | 深圳市比克电池有限公司 | Vehicle lithium-ion power battery |
| CN103682206A (en) * | 2012-09-12 | 2014-03-26 | 深圳市沃特玛电池有限公司 | Leakage-proof cap of lithium ion power battery |
| CN203536491U (en) * | 2013-09-26 | 2014-04-09 | 王文林 | Safety valve of power battery |
| CN104218202A (en) * | 2014-07-30 | 2014-12-17 | 浙江超威创元实业有限公司 | Lithium battery having fire-proof and explosion-proof device and electrical vehicle equipped with same |
| CN204991882U (en) * | 2015-07-12 | 2016-01-20 | 陈卡丹 | Explosion -proof early warning lithium cell |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831449Y (en) * | 2005-03-14 | 2006-10-25 | 邰永宁 | Safety explosion-proof device for lithium ion cell |
| JP5127258B2 (en) * | 2007-02-08 | 2013-01-23 | 株式会社オプトニクス精密 | Gas permeable safety valve and electrochemical element |
| CN201408795Y (en) * | 2009-05-19 | 2010-02-17 | 许刚 | Explosion-protection device of power lithium battery |
| CN203574024U (en) * | 2013-10-22 | 2014-04-30 | 深圳华邦福能源科技有限公司 | Full-sealing anti-explosion lithium battery |
-
2015
- 2015-07-12 CN CN201710598983.7A patent/CN107293801B/en active Active
- 2015-07-12 CN CN201510408621.8A patent/CN104979590B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1638156A2 (en) * | 2004-09-20 | 2006-03-22 | Franco Stocchiero | Accumulator with explosion-proof valve device. |
| CN201725823U (en) * | 2010-05-04 | 2011-01-26 | 广州捷力新能源科技有限公司 | Multifunctional battery shell explosion-proof device with integrated cover plate |
| CN102447133A (en) * | 2010-10-12 | 2012-05-09 | 深圳市比克电池有限公司 | Vehicle lithium-ion power battery |
| CN103682206A (en) * | 2012-09-12 | 2014-03-26 | 深圳市沃特玛电池有限公司 | Leakage-proof cap of lithium ion power battery |
| CN203536491U (en) * | 2013-09-26 | 2014-04-09 | 王文林 | Safety valve of power battery |
| CN104218202A (en) * | 2014-07-30 | 2014-12-17 | 浙江超威创元实业有限公司 | Lithium battery having fire-proof and explosion-proof device and electrical vehicle equipped with same |
| CN204991882U (en) * | 2015-07-12 | 2016-01-20 | 陈卡丹 | Explosion -proof early warning lithium cell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107293801A (en) | 2017-10-24 |
| CN107293801B (en) | 2019-05-07 |
| CN104979590B (en) | 2018-05-18 |
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Effective date of registration: 20201125 Address after: Room 202-1, building B, North Industrial Park, Binhai Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: Yancheng Binhan New Material Technology Co.,Ltd. Address before: 3 groups of Zeya town Ouhai District Sanyang village 325023 Zhejiang city of Wenzhou Province Patentee before: Chen Kadan |
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Effective date of registration: 20231127 Address after: Building B, 2nd Floor, No. 21 Hechang West Fifth Road, High tech Zone, Huizhou City, Guangdong Province, 516000 Patentee after: Huizhou Feiyu New Energy Technology Co.,Ltd. Address before: Building 202-2241 Binhai Industrial Development Zone, Binhai County, Jiangsu Province Patentee before: Yancheng Binhan New Material Technology Co.,Ltd. |
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