CN102122718A - Annular lithium and manganese battery special for external tire pressure monitoring system, and preparation method thereof - Google Patents
Annular lithium and manganese battery special for external tire pressure monitoring system, and preparation method thereof Download PDFInfo
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- CN102122718A CN102122718A CN2011100246243A CN201110024624A CN102122718A CN 102122718 A CN102122718 A CN 102122718A CN 2011100246243 A CN2011100246243 A CN 2011100246243A CN 201110024624 A CN201110024624 A CN 201110024624A CN 102122718 A CN102122718 A CN 102122718A
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Abstract
The invention provides a preparation method of an annular lithium and manganese battery special for an external tire pressure monitoring system. The method sequentially comprises the following steps of: 1, preparing materials of an anode carbon ring; 2, manufacturing the anode carbon ring; 3, preparing components; 4, assembling a battery; and 5, processing a finished product. The invention also discloses a structure of the annular lithium and manganese battery special for the external tire pressure monitoring system, which is prepared by the preparation method simultaneously. The shortcoming that most of the batteries adopted by the conventional external tire pressure monitoring system are cylindrical or button-type is solved effectively, the centrifugal force is reduced effectively, the life of automobile components is prolonged, and the running safety of the automobile is increased. The various performances of the special annular lithium and manganese battery are better than those of the national standard, and the annular lithium and manganese battery can be used safely and reliably.
Description
Technical field
The present invention relates to the special-purpose annular lithium-manganese cell of a kind of external tire pressure monitoring system, the invention still further relates to the preparation method of this annular lithium-manganese cell.
Background technology
Be to avoid automobile in motion because the safety problem that abnormality in tire air-pressure causes, people have manufactured and designed the automotive tyre pressure monitoring system to compressing into the row monitoring in the doughnut, and this system is divided into built-in and two kinds of externals at present.From concerning employed original paper performance requirement and application portability, the external tire pressure monitoring system has more advantage.Existing external tire pressure monitoring and sensing device is installed on the valve cock of doughnut, doughnut is when high speed rotating, the transducer that is installed on the valve cock can produce centrifugal force, and the height of transducer is high more, and volume is big more, and the centrifugal force that it produced is just big more, this centrifugal force can influence automobile balance in motion, if do not regulate, it not only can quicken the wearing and tearing of auto parts, also may influence the fail safe of automobile when serious.For reducing this centrifugal force, must reduce the height of tire pressure monitoring and sensing device as much as possible.Because the battery that existing external tyre pressure sensor adopts is cylindrical or button cell, the height of battery has determined the whole height of transducer to a great extent, if battery can not take height and be installed in sensor internal, can effectively reduce centrifugal force.
Existing lithium-manganese cell manufacture craft can only be made battery the solid shape that profile is cylinder or cuboid, can't satisfy this specification requirement of external tire pressure monitoring system, therefore invent the preparation method of the special-purpose annular lithium-manganese cell of a kind of external tire pressure monitoring system, and invent the special-purpose annular lithium-manganese cell of a kind of tire pressure monitoring system according to this method and become a urgent and important job.
Summary of the invention
First purpose of the present invention is to overcome above-mentioned existing disadvantages of background technology part, and the preparation method of the special-purpose annular lithium-manganese cell of a kind of external tire pressure monitoring system is provided.
Another object of the present invention is to provide a kind of a kind of external tire pressure monitoring system special-purpose annular lithium-manganese cell according to this method preparation.
The objective of the invention is to reach by following measure: the preparation method of the special-purpose annular lithium-manganese cell of tire pressure monitoring system, it in turn includes the following steps:
1. go on foot the batching of anodal carbon ring: be 60% the polyflon aqueous solution, deionized water and absolute ethyl alcohol with solid content according to volume ratio be that 25%: 35%: 40% mixed is evenly stand-by; With electrolytic manganese dioxide, graphite and carbon black is that 92%: 3%: 5% ratio stirs into the powder that mixes by weight, and stand-by mixed liquor is joined in the powder, adds the back and continues stir about 1 hour, and the positive pole material that will become reconciled is again poured bucket into;
2. go on foot the making of anodal carbon ring: the positive pole material that will prepare is made the granule that diameter is no more than 2mm, the anodal particle of moulding was smoked under 250 ℃ 2 to 3 hours, anodal particle is manufactured carbon ring, will toast 20 hours down in 200 ℃ in the vacuum drying oven of carbon ring in being placed on hothouse of moulding;
3. go on foot the preparation of part: with punch press and mould the insulating trip of polyflon material is die-cut into annular with two apertures, make an aperture on the insulating trip pass the negative terminal that covers the group back side, the liquid injection hole of another one aperture cover alignment group, allow insulating trip be fixed on and cover the group back side, place 70 ℃ baking oven to toast 4 hours annular battery shell, the lid group of putting on insulating trip and sealing steel ball;
4. the go on foot the assembling of battery: the battery case that drying is good, lid group, sealing steel ball, anodal carbon ring and lithium band, barrier film change in the control box that relative humidity is not higher than 3%RH stand-by, and anodal carbon ring is kept flat into battery case; The battery case of putting anodal carbon ring well is put in the locating module of barrier film and lithium band, barrier film and lithium band are die-cut into annular and throw in the battery case together; Take off the battery case of putting into positive pole, barrier film and lithium band, the lid group of putting on insulating trip of drying is combined on the battery case and compresses towards the mode in the shell with insulating trip; With bonding machine the junction of battery and lid group is welded; In the good cell body of welding, inject electrolyte by the liquid injection hole on the lid group with the fluid injection machine; To seal steel ball and compress into liquid injection hole fully to finish cell sealing; Battery to good seal cleans, and battery is put into the warehouse again and is stored aging;
5. the go on foot finished product processing: take out and store overdue battery and carry out voltage, visual examination; Each qualified battery is put plastic insulation spare, and allow the negative pole pole pass aperture on the insulating part; The negative pole becket is enclosed within on the negative terminal by the aperture on the ring, and itself and plastic insulation ring are worked good, complying with the indenture bending negative pole pole on the negative pole ring then, make pole just imbed indenture; With reserve energy spot welding machine that the negative pole pole and the negative pole circling point of bending is welded together, finished product machines.
The special-purpose annular lithium-manganese cell of tire pressure monitoring system of the present invention, it is characterized in that it comprises a band through hole and annular battery shell, an anodal carbon ring of annular is arranged at the bottom in the annular battery shell, negative pole lithium sheet is arranged above the anodal carbon ring of annular, barrier film is arranged between negative pole lithium sheet and annular anodal carbon ring, above negative pole lithium sheet, insulating trip is arranged, have the group covered to be positioned at the top of insulating trip and seal annular battery case, the plastic insulation ring is arranged above the lid group; There is the lower end of negative terminal to be positioned at negative pole lithium sheet, and passes insulating trip, plastic insulation ring and negative pole becket successively.
In technique scheme, it is characterized in that negative pole metal indenture is arranged on the described negative pole becket, negative terminal is fold-type and is positioned at negative pole metal indenture, and negative pole becket aperture is arranged in the negative pole metal indenture, and the negative pole becket is positioned at the plastic insulation ring.
In technique scheme, plastic insulation ring indenture is arranged on the described plastic insulation ring, plastic insulation ring aperture is arranged in the plastic insulation ring indenture, and described negative pole metal indenture is positioned at plastic insulation ring indenture, described negative pole becket aperture and the corresponding layout of plastic insulation ring aperture.
In technique scheme, negative terminal aperture and insulating trip fluid injection aperture are arranged on the described insulating trip, cover the corresponding layout of group liquid injection hole on the described lid group and seal perforate by the sealing steel ball.
The present invention has following advantage: 1. designed a kind of process for preparing the special-purpose annular lithium-manganese cell of tire pressure monitoring system, and according to said method produced the special-purpose annular lithium-manganese cell of tire pressure monitoring system.2., effectively to have solved battery that existing external tyre pressure sensor adopts be cylindrical or button cell takies the shortcoming of higher height, effectively reduced centrifugal force.3. prolong the life-span of auto parts, increased running safety.4. every performance of the special-purpose annular lithium-manganese cell of the present invention all is better than national standard, and is safe in utilization, reliable.
Description of drawings
Fig. 1 is the shape assumption diagram of anodal carbon ring among the present invention.
Fig. 2 is the shape assumption diagram of the insulating trip among the present invention.
Fig. 3 is the shape assumption diagram of the battery cover group among the present invention.
Fig. 4 is the shape assumption diagram of the battery case among the present invention.
Fig. 5 is the lithium band among the present invention and the shape assumption diagram of barrier film.
Fig. 6 is the semi-finished product battery shape assumption diagram among the present invention.
Fig. 7 is the plastic insulation spare shape assumption diagram among the present invention.
Fig. 8 is the negative pole becket shape assumption diagram among the present invention.
Fig. 9 is the finished product battery shape assumption diagram among the present invention.
Figure 10 is the finished product battery sectional structure chart among the present invention.
Figure 11 is the curve chart of lithium manganese annular battery constant-current discharge of the present invention.
Figure 12 is the curve chart of lithium manganese annular battery of the present invention pulsed discharge.
The trend graph of battery temperature when Figure 13 is a lithium manganese annular battery short-circuit test of the present invention.
1. annular anodal carbon rings among the figure, 2. insulating trip, 21. negative terminal apertures, 22. insulating trip fluid injection apertures, 3. lid group, 31. negative terminals, 32. lid group liquid injection holes, 4. annular battery shell, 5. die-cut good lithium band and barrier film, 51. barrier films, 52. negative pole lithium sheet, 6. negative pole becket, 61. negative pole metal indentures, 62. negative pole becket aperture, 7. plastic insulation ring, 71 plastic insulation ring indentures, 72. plastic insulation ring aperture, 8. sealing steel ball, 9. through hole.
Embodiment
Describe performance of the present invention in detail below in conjunction with accompanying drawing, but they do not constitute limitation of the invention, only do for example.Simultaneously by illustrating that advantage of the present invention will become clear more and understanding easily.
The special-purpose annular lithium-manganese cell preparation method of external tire pressure monitoring system of the present invention, it in turn includes the following steps:
The 1st step, anodal batching:
1. be 60% PTFE (polyflon) aqua, deionized water and absolute ethyl alcohol with solid content according to volume ratio be that 25%: 35%: 40% mixed is evenly stand-by;
2. be that 92%: 3%: 5% ratio weighing is poured mixer well into and stirred into the powder that mixes by weight with electrolytic manganese dioxide, graphite and carbon black, gradation with the 1. in the step ready mixed liquor join in the powder, add the back and continued stir about 1 hour, the positive pole material that will become reconciled is then poured bucket into.
The 2nd step, anodal carbon ring are made:
The positive pole material that 1. will prepare utilizes granule-forming machine to make the granule that diameter is no more than 2mm;
2. the anodal particle of moulding was smoked under 250 ℃ 2 to 3 hours;
3. anodal particle is manufactured carbon ring (seeing accompanying drawing 1);
4. will toast about 20h down in 200 ℃ in the vacuum drying oven of carbon ring in being placed on hothouse of moulding.
The 3rd step, part are prepared:
1. with punch press and particular manufacturing craft the insulating trip of PTFE material is die-cut into the annular with two apertures (seeing accompanying drawing 2) of technological requirement size;
2. make an aperture of insulating trip pass the negative terminal that covers group (the seeing accompanying drawing 3) back side, the liquid injection hole of another one hole cover alignment group allows insulating trip be fixed on and covers the group back side;
3. place 70 ℃ baking oven to toast 4h annular battery shell (seeing accompanying drawing 4), the lid group of putting on insulating trip and sealing steel ball;
The 4th step, battery assembling:
1. drying is good battery case, lid group, sealing steel ball, anodal carbon ring and materials such as lithium band, barrier film change in the glove box that humidity is not higher than 3%RH stand-by, and operating personnel must wear medical rubber glove when operation;
2. with tweezers anodal carbon ring is kept flat into battery case;
3. debugging installs the casing equipment that is punched into of barrier film and lithium band;
4. will put the battery case of anodal carbon ring well and put in the locating module of barrier film and the die-cut package machine of lithium band, starting the machine is die-cut into barrier film and lithium band the annular (seeing accompanying drawing 5) of technological requirement size and throws in the battery case together;
5. take off the battery case of having put into positive pole, barrier film and lithium band, the lid group of putting on insulating trip of drying is combined on the battery case towards the mode in the shell with insulating trip, and compresses with case pressing machine;
6. with laser-beam welding machine the junction of battery and lid group is welded;
7. in the good cell body of welding, inject quantitative electrolyte by the liquid injection hole on the lid group with quantitative fluid injection machine;
8. the battery of having annotated electrolyte seals: battery is fixed in the locating piece of Pneumatic pressing machine, gets the sealing steel ball with tweezers and put into liquid injection hole, start the pressing machine steel ball is compressed into liquid injection hole fully to finish cell sealing;
9. clean with the battery of running water, with air gun and rag the water of battery surface is removed then, again battery neatly is placed in and puts the warehouse in the pallet into and store aging (the semi-finished product battery is seen accompanying drawing 6) good seal.
The 5th step, finished product processing:
1. carry out projects such as voltage, outward appearance from the warehouse overdue battery of taking-up storage and examine entirely, examining qualified battery entirely carries out following process;
2. each qualified battery is put plastic insulation spare (seeing accompanying drawing 7), and allow the negative pole pole pass aperture on the insulating part;
3. negative pole becket (seeing accompanying drawing 8) is enclosed within on the negative terminal by the aperture on the ring, and itself and plastic insulation ring are worked good, complying with the indenture bending negative pole pole on the negative pole ring then, make pole just imbed indenture;
4. with reserve energy spot welding machine that the negative pole pole and the negative pole circling point of bending is welded together, finished product machines (finished product battery outline drawing and sectional structure chart are seen accompanying drawing 9 and accompanying drawing 10 respectively).
The special-purpose annular lithium-manganese cell of tire pressure monitoring system of the present invention, it comprises a band through hole 9 and annular battery shell 4, an anodal carbon ring 1 of annular is arranged at the bottom in annular battery shell 4, negative pole lithium sheet 52 is arranged above the anodal carbon ring 1 of annular, barrier film 51 is arranged between negative pole lithium sheet 52 and annular anodal carbon ring 1, above negative pole lithium sheet 52, insulating trip 2 is arranged, have group covered 3 to be positioned at the top of insulating trip 2 and seal annular battery case 4, plastic insulation ring 7 is arranged above lid group 3; There is the lower end of negative terminal 31 to be positioned at negative pole lithium sheet 52, and passes insulating trip 2, plastic insulation ring 7 and negative pole becket 6 (as Fig. 9, shown in Figure 10) successively.
Negative pole metal indenture 61 is arranged on the negative pole becket 6, and negative terminal 31 is fold-type and is positioned at negative pole metal indenture 61, and negative pole becket aperture 62 is arranged in the negative pole metal indenture 61, and negative pole becket 6 is positioned at plastic insulation ring 7 (as Fig. 7, shown in Figure 8).
Plastic insulation ring indenture 71 is arranged on the plastic insulation ring 7, plastic insulation ring aperture 72 is arranged in the plastic insulation ring indenture 71, described negative pole metal indenture 61 is positioned at plastic insulation ring indenture 71, described negative pole becket aperture 62 and plastic insulation ring aperture 72 corresponding layouts (as Fig. 7, shown in Figure 8).
Negative terminal aperture 21 and insulating trip fluid injection aperture 22 are arranged on the insulating trip 2, cover group liquid injection hole 32 corresponding layouts on the described lid group 3 and seal perforates (as shown in Figure 6) by sealing steel ball 8.
Battery testing
1, electric performance test
1. constant-current discharge ability: with battery respectively with the electric current constant-current discharge of 1mA and 100 μ A to 2.0V, discharge capacity reaches 121mAh and 109mAh (discharge curve is seen accompanying drawing 11) respectively;
2. pulsed discharge ability: with battery with the 10mA electric current according to the discharge 1s, the mode that leaves standstill 1min is carried out pulsed discharge, when being discharge cut-off voltage with 2.0V, the battery impulse discharge capacity is about 83mAh (discharge curve is seen accompanying drawing 12);
The static working current of general external tire pressure monitoring system is less than 5 μ A, and the momentary pulse operating current is less than 10mA, and from Discharge test, the constant current of battery and pulsed discharge ability all can reach the requirement of system.
2, security performance test
1. high-temperature behavior: 10 batteries numberings are weighed and record data, in 60 ℃ of baking ovens, place 24h again, take out battery and observe and have no abnormally, weigh then, the calculated weight loss late, related data such as following table:
| Numbering | Weight before the baking | Baking back weight | Rate of weight loss | Whether have unusual |
| 1 | 4.3618 | 4.3613 | 0.011％ | Do not have |
| 2 | 4.4563 | 4.4567 | -0.009％ | Do not have |
| 3 | 4.2756 | 4.2751 | 0.012％ | Do not have |
| 4 | 4.3423 | 4.3420 | 0.007％ | Do not have |
| 5 | 4.3278 | 4.3265 | 0.030％ | Do not have |
| 6 | 4.2536 | 4.2537 | -0.002％ | Do not have |
| 7 | 4.3545 | 4.3540 | 0.011％ | Do not have |
| 8 | 4.3756 | 4.3751 | 0.011％ | Do not have |
| 9 | 4.4234 | 4.4227 | 0.016％ | Do not have |
| 10 | 4.2967 | 4.2965 | 0.005％ | Do not have |
The lithium battery mass loss maximum of GB8897.4-2008/IEC60086-4:2007 regulation is as follows:
| The quality m of battery | Mass loss limit (δ m/m)/% |
| m≤1g | 0.5 |
| 1g＜m≤5g | 0.2 |
| m＞5g | 0.1 |
From test result, 60 ℃ of high temperature that battery stands 24h are deposited 0.2% the standard value of back battery weight-loss ratio well below the GB8897.4-2008/IEC60086-4:2007 defined.This battery uses under normal temperature and does not more have problems so.
2. short circuit safety: the battery positive and negative electrode is directly coupled together with the lead of resistance less than 10m Ω, the probe of a Wen Yi is fixed on battery surface, regularly read the battery surface temperature data, drop to temperature (short circuit battery temperature trend graph is seen accompanying drawing 13) until the battery surface temperature, related data such as following table:
GB8897.4-2008/IEC60086-4:2007 regulation lithium battery must be not overheated when short circuit (battery surface temperature＞170 ℃), do not break, do not explode, missing of ignition.
Temperature tendency from short circuit battery, battery short circuit about halfhour the time temperature reach 41 ℃ of peak values, just drop to room temperature subsequently comparatively stably, problems such as exploding, catch fire does not appear in battery, the battery surface maximum temperature is also well below 170 ℃, superheating phenomenon do not occur, show that battery also is safe under the accidental short circuit situation.
3. impact test: battery is placed on the test platform, the weight of a heavily about 9.1kg is fallen on the tested battery from the eminence of 61 ± 2.5cm, battery is not blasted and is not seen on firely yet, and the battery surface maximum temperature is 52 ℃.
Not overheated during GB8897.4-2008/IEC60086-4:2007 regulation lithium battery impact test (battery surface temperature＞170 ℃), do not explode, missing of ignition.
3. test shows that battery the time also can not cause danger at the bump that has an accident.
From test result 1., 2. and 3., battery involved in the present invention can ensure its fail safe in use fully.
Claims (5)
1. the preparation method of the special-purpose annular lithium-manganese cell of external tire pressure monitoring system, it in turn includes the following steps:
1. go on foot the batching of anodal carbon ring: be 60% the polyflon aqueous solution, deionized water and absolute ethyl alcohol with solid content according to volume ratio be that 25%: 35%: 40% mixed is evenly stand-by; With electrolytic manganese dioxide, graphite and carbon black is that 92%: 3%: 5% ratio stirs into the powder that mixes by weight, and stand-by mixed liquor is joined in the powder, adds the back and continues stir about 1 hour, and the positive pole material that will become reconciled is again poured bucket into;
2. go on foot the making of anodal carbon ring: the positive pole material that will prepare is made the granule that diameter is no more than 2mm, the anodal particle of moulding was smoked under 250 ℃ 2 to 3 hours, anodal particle is manufactured carbon ring, will toast 20 hours down in 200 ℃ in the vacuum drying oven of carbon ring in being placed on hothouse of moulding;
3. go on foot the preparation of part: with punch press and mould the insulating trip of polyflon material is die-cut into annular with two apertures, make an aperture on the insulating trip pass the negative terminal that covers the group back side, the liquid injection hole of another one aperture cover alignment group, allow insulating trip be fixed on and cover the group back side, place 70 ℃ baking oven to toast 4 hours annular battery shell, the lid group of putting on insulating trip and sealing steel ball;
4. the go on foot the assembling of battery: the battery case that drying is good, lid group, sealing steel ball, anodal carbon ring and lithium band, barrier film change in the control box that relative humidity is not higher than 3%RH stand-by, and anodal carbon ring is kept flat into battery case; The battery case of putting anodal carbon ring well is put in the locating module of barrier film and lithium band, barrier film and lithium band are die-cut into annular and throw in the battery case together; Take off the battery case of putting into positive pole, barrier film and lithium band, the lid group of putting on insulating trip of drying is combined on the battery case and compresses towards the mode in the shell with insulating trip; With bonding machine the junction of battery and lid group is welded; In the good cell body of welding, inject electrolyte by the liquid injection hole on the lid group with the fluid injection machine; To seal steel ball and compress into liquid injection hole fully to finish cell sealing; Battery to good seal cleans, and battery is put into the warehouse again and is stored aging;
5. the go on foot finished product processing: take out and store overdue battery and carry out voltage, visual examination; Each qualified battery is put plastic insulation spare, and allow the negative pole pole pass aperture on the insulating part; The negative pole becket is enclosed within on the negative terminal by the aperture on the ring, and itself and plastic insulation ring are worked good, complying with the indenture bending negative pole pole on the negative pole ring then, make pole just imbed indenture; With reserve energy spot welding machine that the negative pole pole and the negative pole circling point of bending is welded together, finished product machines.
2. the special-purpose annular lithium-manganese cell of external tire pressure monitoring system, it is characterized in that it comprises a band through hole (9) and annular battery shell (4), an anodal carbon ring of annular (1) is arranged at the bottom in annular battery shell (4), in the top of the anodal carbon ring of annular (1) negative pole lithium sheet (52) is arranged, there is barrier film (51) to be positioned between negative pole lithium sheet (52) and the annular anodal carbon ring (1), in the top of negative pole lithium sheet (52) insulating trip (2) is arranged, there is group covered (3) to be positioned at the top of insulating trip (2) and seals annular battery case (4), plastic insulation ring (7) is arranged in the top of lid group (3); There is the lower end of negative terminal (31) to be positioned at negative pole lithium sheet (52), and passes insulating trip (2), plastic insulation ring (7) and negative pole becket (6) successively.
3. the special-purpose annular lithium-manganese cell of external tire pressure monitoring system according to claim 2, it is characterized in that negative pole metal indenture (61) is arranged on the described negative pole becket (6), negative terminal (31) is fold-type and is positioned at negative pole metal indenture (61), negative pole becket aperture (62) is arranged in the negative pole metal indenture (61), and negative pole becket (6) is positioned at plastic insulation ring (7).
4. the special-purpose annular lithium-manganese cell of external tire pressure monitoring system according to claim 3, it is characterized in that plastic insulation ring indenture (71) is arranged on the described plastic insulation ring (7), plastic insulation ring aperture (72) is arranged in the plastic insulation ring indenture (71), described negative pole metal indenture (61) is positioned at plastic insulation ring indenture (71), described negative pole becket aperture (62) and the corresponding layout of plastic insulation ring aperture (72).
5. the special-purpose annular lithium-manganese cell of external tire pressure monitoring system according to claim 2, it is characterized in that negative terminal aperture (21) and insulating trip fluid injection aperture (22) are arranged on the described insulating trip (2), cover the corresponding layout of group liquid injection hole (32) on the described lid group (3) and seal perforate by sealing steel ball (8).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102751476A (en) * | 2012-06-21 | 2012-10-24 | 武汉昊诚能源科技有限公司 | Lithium-manganese anode slurry suitable for coating technology and preparation method thereof |
| CN103746126A (en) * | 2014-01-09 | 2014-04-23 | 东莞市桥头洁宇诗电子厂 | Lithium manganese needle-type battery and manufacturing method thereof |
| CN104885254A (en) * | 2013-01-28 | 2015-09-02 | 艾利盖特阀门厂有限责任公司 | Button cell, in particular for a type pressure sensor |
| EP3739651A1 (en) * | 2019-05-15 | 2020-11-18 | Guangdong Mic-power New Energy Co., Ltd. | Button-type battery |
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| CN201670063U (en) * | 2010-05-11 | 2010-12-15 | 东莞市伟盈汽车科技有限公司 | External tire pressure monitoring sensor-transmitter with annular battery |
| CN201966280U (en) * | 2011-01-24 | 2011-09-07 | 武汉昊诚能源科技有限公司 | Special annular lithium-manganese cell for external tire pressure monitoring system |
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| JPH0340373A (en) * | 1989-07-06 | 1991-02-21 | Fuji Elelctrochem Co Ltd | Button type lithium battery |
| CN201670063U (en) * | 2010-05-11 | 2010-12-15 | 东莞市伟盈汽车科技有限公司 | External tire pressure monitoring sensor-transmitter with annular battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102751476A (en) * | 2012-06-21 | 2012-10-24 | 武汉昊诚能源科技有限公司 | Lithium-manganese anode slurry suitable for coating technology and preparation method thereof |
| CN102751476B (en) * | 2012-06-21 | 2015-07-22 | 武汉昊诚能源科技有限公司 | Lithium-manganese anode slurry suitable for coating technology and preparation method thereof |
| CN104885254A (en) * | 2013-01-28 | 2015-09-02 | 艾利盖特阀门厂有限责任公司 | Button cell, in particular for a type pressure sensor |
| CN104885254B (en) * | 2013-01-28 | 2017-07-14 | 艾利盖特阀门厂有限责任公司 | Particularly for the button cell of tyre pressure sensor |
| CN103746126A (en) * | 2014-01-09 | 2014-04-23 | 东莞市桥头洁宇诗电子厂 | Lithium manganese needle-type battery and manufacturing method thereof |
| CN103746126B (en) * | 2014-01-09 | 2015-09-16 | 东莞市桥头洁宇诗电子厂 | A kind of lithium manganese needle-type battery and preparation method thereof |
| EP3739651A1 (en) * | 2019-05-15 | 2020-11-18 | Guangdong Mic-power New Energy Co., Ltd. | Button-type battery |
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| CN102122718B (en) | 2013-01-23 |
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Address after: 430040 No.18, Yinhu science and Technology Industrial Development Park, Wujiashan, Dongxihu District, Wuhan City, Hubei Province Patentee after: Wuhan Haocheng lithium Technology Co.,Ltd. Address before: 430040 No.18, Yinhu science and Technology Industrial Development Park, Wujiashan, Dongxihu District, Wuhan City, Hubei Province Patentee before: WUHAN HAOCHENG ENERGY RESOURCES TECHNOLOGY Co.,Ltd. |