CN202585642U - Lithium battery core capable of automatically supplementing electrolyte - Google Patents
Lithium battery core capable of automatically supplementing electrolyte Download PDFInfo
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- CN202585642U CN202585642U CN2012201053587U CN201220105358U CN202585642U CN 202585642 U CN202585642 U CN 202585642U CN 2012201053587 U CN2012201053587 U CN 2012201053587U CN 201220105358 U CN201220105358 U CN 201220105358U CN 202585642 U CN202585642 U CN 202585642U
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- electrolyte
- lithium battery
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- battery core
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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 utility model discloses a lithium battery core, in particular to a lithium battery core capable of automatically supplementing an electrolyte, which comprises a shell (1) and a core chamber (2) in the shell (1); the core chamber wraps a positive material, a negative material and the electrolyte; an electrolyte storage chamber (3) is also formed in the shell and is separated from the core chamber (2) through a division part (4); and a channel (5) capable of flowing the electrolyte between the core chamber (2) and the electrolyte storage chamber (3) is formed on the division part (4). The lithium battery core has the effects that the electrolyte can be stored in the electrolyte storage chamber; after the battery core is used for a period of time, when being adsorbed due to the expansion of the positive material and the negative material, a part of electrolyte in the core chamber is timely supplemented, so that the capacity of the electrolyte can be ensured to be approximate to the original capacity after the lithium battery core is used for a period of time, and the purpose of prolonging the service life of the lithium battery core is achieved.
Description
Technical field
The utility model relates to a kind of lithium battery core, relates in particular to a kind of lithium battery core that can replenish electrolyte automatically.
Background technology
The lithium rechargeable battery of broad sense (hereinafter to be referred as lithium battery) mainly is to be made up of positive pole, negative pole, barrier film and electrolyte between this both positive and negative polarity.Wherein, barrier film is separated from each other both positive and negative polarity, does not contact each other.Barrier film has extremely many micro-pores simultaneously, can let electrolyte between both positive and negative polarity, circulate.The magnitude of current that can supply of lithium battery receives the restriction of lithium battery " capacity ", and whether the capacity of the lithium battery electrolyte contained with it is sufficient closely bound up.
Lithium battery is after normal use a period of time; Electrolyte can be siphoned away a part because positive and negative electrode expands; Cause charged lithium ion move media (electrolyte) deficiency that is circulated between the two poles of the earth; Cause anodal local exhausted (Dry Out) phenomenon, make lithium ion separate out into lithium atom and reduce the capacity of this lithium battery.In case when anodal exhaustion expanded to a certain degree, lithium battery will lose efficacy.Therefore, see through the means of replenishing electrolyte and can prolong the lithium battery life-span.Yet lithium battery is because seal fully, can't be as storage battery, can cross when low at the liquid level of electrolyte, and add water from the outside and replenish.
The utility model content
The purpose of the utility model is to provide a kind of lithium battery core that can replenish electrolyte automatically, has solved in the existing lithium battery core to cause insufficient electrolyte because of positive and negative electrode expands, and influences the problem of lithium battery core performance even inefficacy.
For addressing the above problem, the technical scheme that the utility model is taked is:
A kind of lithium battery core that can replenish electrolyte automatically; Comprise shell and the core chamber that is provided with in the enclosure; Described core chamber is enclosed with positive electrode and negative material and electrolyte; Also be provided with fluid reservoir in the described shell, fluid reservoir separates through separating part and core chamber, and separating part is provided with the passage that electrolyte is circulated between core chamber and fluid reservoir.
For making the utility model play better technique effect:
Technical scheme further is that above-mentioned shell is to process the skin that middle level that internal layer, aluminium foil process and nylon processes by polypropylene to process through thermal welding, processes but also can be other material, is not limited to above-mentioned material.
Technical scheme further is that above-mentioned positive electrode is made up of the positive plate that is plural number; Described negative material is made up of negative plate and than positive plate many one; Staggered the folding of positive plate and negative plate block-by-block pieced together and isolated each other by barrier film; Come and go free lithium ion in the time of can chemical reaction being provided in the electrolyte space that enough persists is arranged; All have micro-pore on described positive plate, negative plate and the barrier film, micro-pore can let electrolyte between positive plate and negative plate, better circulate.
Technical scheme further be above-mentioned fluid reservoir can be arranged on the core chamber side or/and the bottom;, fluid reservoir can be arranged on left side, right side, front side or the rear side of core chamber in particular when having only one; Also can be arranged on the bottom of core chamber; When fluid reservoir has two, can be arranged on any two places in left side, right side, front side, rear side and the bottom of core chamber, the quantity increase of fluid reservoir can be by that analogy.
Adopt the beneficial effect that technique scheme produced to be: can store electrolyte in the fluid reservoir; When the indoor electrolyte of core expands in time additional when siphoning away part because of positive electrode and negative material after battery is used a period of time; Guarantee the lithium battery core in use for some time electrolyte reach the purpose that prolongs the lithium battery core life-span still near its original capacity.
Description of drawings
Fig. 1 is the utility model embodiment one structural front view;
Fig. 2 is the utility model embodiment one structure upward view;
Fig. 3 is the utility model embodiment two structural front view;
Fig. 4 is the utility model embodiment two structure upward views;
Fig. 5 is the utility model embodiment three structural front view;
Fig. 6 is the utility model embodiment three structure left views;
Fig. 7 is the utility model embodiment four structural front view;
Fig. 8 is the utility model embodiment four structure upward views;
Fig. 9 is the utility model embodiment five structural front view;
Figure 10 is the utility model embodiment six structural front view.
Embodiment
Following the utility model is done and is described in further detail:
Embodiment one: as depicted in figs. 1 and 2: a kind of lithium battery core that can replenish electrolyte automatically; Comprise shell 1 and the core chamber 2 that is arranged in the shell 1; Described core chamber 2 is enclosed with positive electrode and negative material and electrolyte; Also be provided with fluid reservoir 3 in the described shell 1, fluid reservoir 3 was opened through separating part 4 and core chamber in 2 minutes, and separating part 4 is provided with the passage 5 that electrolyte is circulated between core chamber 2 and fluid reservoir 3.In this execution mode: shell 1 is to process the skin 13 that middle level 12 that internal layer 11, aluminium foil process and nylon processes by polypropylene to process through thermal weldings; Positive electrode is made up of the positive plate 6 that is plural number; Described negative material is made up of negative plate 7 and than more than 6 one of positive plates; Positive plate 6 is isolated with the staggered folded assembly of negative plate 7 block-by-blocks and by barrier film 8 each other; Coming and going free lithium ion in the time of can chemical reaction being provided in the electrolyte has the space that enough persists, and all has micro-pore on described positive plate 6, negative plate 7 and the barrier film 8, and micro-pore can let electrolyte better circulation between positive plate 6 and negative plate 7; Present embodiment is than the difference of other embodiment in addition: fluid reservoir 3 is arranged on the left side of core chamber 2.
Embodiment two: like Fig. 3 and shown in Figure 4: a kind of lithium battery core that can replenish electrolyte automatically; Comprise shell 1 and the core chamber 2 that is arranged in the shell 1; Described core chamber 2 is enclosed with positive electrode and negative material and electrolyte; Also be provided with fluid reservoir 3 in the described shell 1, fluid reservoir 3 was opened through separating part 4 and core chamber in 2 minutes, and separating part 4 is provided with the passage 5 that electrolyte is circulated between core chamber 2 and fluid reservoir 3.In this execution mode: shell 1 is to process the skin 13 that middle level 12 that internal layer 11, aluminium foil process and nylon processes by polypropylene to process through thermal weldings; Positive electrode is made up of the positive plate 6 that is plural number; Described negative material is made up of negative plate 7 and than more than 6 one of positive plates; Positive plate 6 is isolated with the staggered folded assembly of negative plate 7 block-by-blocks and by barrier film 8 each other; Coming and going free lithium ion in the time of can chemical reaction being provided in the electrolyte has the space that enough persists, and all has micro-pore on described positive plate 6, negative plate 7 and the barrier film 8, and micro-pore can let electrolyte better circulation between positive plate 6 and negative plate 7; Present embodiment is than the difference of other embodiment in addition: fluid reservoir 3 is arranged on the right side of core chamber 2.
Embodiment three: like Fig. 5 and shown in Figure 6: a kind of lithium battery core that can replenish electrolyte automatically; Comprise shell 1 and the core chamber 2 that is arranged in the shell 1; Described core chamber 2 is enclosed with positive electrode and negative material and electrolyte; Also be provided with fluid reservoir 3 in the described shell 1, fluid reservoir 3 was opened through separating part 4 and core chamber in 2 minutes, and separating part 4 is provided with the passage 5 that electrolyte is circulated between core chamber 2 and fluid reservoir 3.In this execution mode: shell 1 is to process the skin 13 that middle level 12 that internal layer 11, aluminium foil process and nylon processes by polypropylene to process through thermal weldings; Positive electrode is made up of the positive plate 6 that is plural number; Described negative material is made up of negative plate 7 and than more than 6 one of positive plates; Positive plate 6 is isolated with the staggered folded assembly of negative plate 7 block-by-blocks and by barrier film 8 each other; Coming and going free lithium ion in the time of can chemical reaction being provided in the electrolyte has the space that enough persists, and all has micro-pore on described positive plate 6, negative plate 7 and the barrier film 8, and micro-pore can let electrolyte better circulation between positive plate 6 and negative plate 7; Present embodiment is than the difference of other embodiment in addition: fluid reservoir 3 is arranged on the bottom of core chamber 2.
Embodiment four: like Fig. 7 and shown in Figure 8: a kind of lithium battery core that can replenish electrolyte automatically; Comprise shell 1 and the core chamber 2 that is arranged in the shell 1; Described core chamber 2 is enclosed with positive electrode and negative material and electrolyte; Also be provided with fluid reservoir 3 in the described shell 1, fluid reservoir 3 was opened through separating part 4 and core chamber in 2 minutes, and separating part 4 is provided with the passage 5 that electrolyte is circulated between core chamber 2 and fluid reservoir 3.In this execution mode: shell 1 is to process the skin 13 that middle level 12 that internal layer 11, aluminium foil process and nylon processes by polypropylene to process through thermal weldings; Positive electrode is made up of the positive plate 6 that is plural number; Described negative material is made up of negative plate 7 and than more than 6 one of positive plates; Positive plate 6 is isolated with the staggered folded assembly of negative plate 7 block-by-blocks and by barrier film 8 each other; Coming and going free lithium ion in the time of can chemical reaction being provided in the electrolyte has the space that enough persists, and all has micro-pore on described positive plate 6, negative plate 7 and the barrier film 8, and micro-pore can let electrolyte better circulation between positive plate 6 and negative plate 7; Present embodiment is than the difference of other embodiment in addition: fluid reservoir 3 has two, is separately positioned on the left side and the right side of core chamber 2.
Embodiment five: as shown in Figure 9: a kind of lithium battery core that can replenish electrolyte automatically; Comprise shell 1 and the core chamber 2 that is arranged in the shell 1; Described core chamber 2 is enclosed with positive electrode and negative material and electrolyte; Also be provided with fluid reservoir 3 in the described shell 1, fluid reservoir 3 was opened through separating part 4 and core chamber in 2 minutes, and separating part 4 is provided with the passage 5 that electrolyte is circulated between core chamber 2 and fluid reservoir 3.In this execution mode: shell 1 part of representing in can the Fig. 2 with reference to embodiment one, shell 1 are to process the skin 13 that middle level 12 that internal layer 11, aluminium foil process and nylon processes by polypropylene to process through thermal weldings; Positive electrode is made up of the positive plate 6 that is plural number; Described negative material is made up of negative plate 7 and than more than 6 one of positive plates; Positive plate 6 is isolated with the staggered folded assembly of negative plate 7 block-by-blocks and by barrier film 8 each other; Coming and going free lithium ion in the time of can chemical reaction being provided in the electrolyte has the space that enough persists, and all has micro-pore on described positive plate 6, negative plate 7 and the barrier film 8, and micro-pore can let electrolyte better circulation between positive plate 6 and negative plate 7; Present embodiment is than the difference of other embodiment in addition: fluid reservoir 3 has two, is separately positioned on the left side and the bottom of core chamber 2.
Embodiment six: shown in figure 10: a kind of lithium battery core that can replenish electrolyte automatically; Comprise shell 1 and the core chamber 2 that is arranged in the shell 1; Described core chamber 2 is enclosed with positive electrode and negative material and electrolyte; Also be provided with fluid reservoir 3 in the described shell 1, fluid reservoir 3 was opened through separating part 4 and core chamber in 2 minutes, and separating part 4 is provided with the passage 5 that electrolyte is circulated between core chamber 2 and fluid reservoir 3.In this execution mode: shell 1 part of representing in can the Fig. 2 with reference to embodiment one, shell 1 are to process the skin 13 that middle level 12 that internal layer 11, aluminium foil process and nylon processes by polypropylene to process through thermal weldings; Positive electrode is made up of the positive plate 6 that is plural number; Described negative material is made up of negative plate 7 and than more than 6 one of positive plates; Positive plate 6 is isolated with the staggered folded assembly of negative plate 7 block-by-blocks and by barrier film 8 each other; Coming and going free lithium ion in the time of can chemical reaction being provided in the electrolyte has the space that enough persists, and all has micro-pore on described positive plate 6, negative plate 7 and the barrier film 8, and micro-pore can let electrolyte better circulation between positive plate 6 and negative plate 7; Present embodiment is than the difference of other embodiment in addition: fluid reservoir 3 has two, is separately positioned on the right side and the bottom of core chamber 2.
The left side, right side and the bottom that in the foregoing description, also relate to core chamber 2 can be provided with the fluid reservoir 3, can also also fluid reservoir 3 can be set at the front side and the rear side of core chamber 2, no longer lift embodiment here.
Certainly, the foregoing description can not depart from the scope of the present invention down in addition some variations, thus more than explanation comprise and accompanying drawing shown in whole items should be regarded as exemplary, but not in order to limit claim of the present invention.
Claims (4)
1. lithium battery core that can replenish electrolyte automatically; Comprise shell (1) and be arranged on the core chamber (2) in the shell (1); Described core chamber (2) is enclosed with positive electrode and negative material and electrolyte; It is characterized in that: also be provided with fluid reservoir (3) in the described shell (1), fluid reservoir (3) separates through separating part (4) and core chamber (2), and separating part (4) is provided with the passage (5) that electrolyte is circulated between core chamber (2) and fluid reservoir (3).
2. the lithium battery core that can replenish electrolyte automatically according to claim 1 is characterized in that: described shell (1) is to process the skin (13) that middle level (12) that internal layer (11), aluminium foil process and nylon processes by polypropylene to process through thermal welding.
3. the lithium battery core that can replenish electrolyte automatically according to claim 1; It is characterized in that: described positive electrode is made up of the positive plate (6) that is plural number; Described negative material is made up of negative plate (7) and than positive plate (6) many one; Staggered the folding of positive plate (6) and negative plate (7) block-by-block pieced together and isolated each other by barrier film (8), all has the micro hole hole on described positive plate (6), negative plate (7) and the barrier film (8).
4. according to any described lithium battery core that can replenish electrolyte automatically of claim 1-3, it is characterized in that: described fluid reservoir (3) can be arranged on the side of core chamber (2) or/and the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201053587U CN202585642U (en) | 2012-03-20 | 2012-03-20 | Lithium battery core capable of automatically supplementing electrolyte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201053587U CN202585642U (en) | 2012-03-20 | 2012-03-20 | Lithium battery core capable of automatically supplementing electrolyte |
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| Publication Number | Publication Date |
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| CN202585642U true CN202585642U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201053587U Expired - Fee Related CN202585642U (en) | 2012-03-20 | 2012-03-20 | Lithium battery core capable of automatically supplementing electrolyte |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449152A (en) * | 2015-02-16 | 2016-03-30 | 万向A一二三系统有限公司 | Lithium-ion battery with pneumatic anti-gas-expansion automatic liquid replenishing device |
| CN105449284A (en) * | 2015-02-16 | 2016-03-30 | 万向A一二三系统有限公司 | Lithium-ion battery with anti-gas-expansion automatic liquid replenishing device |
| CN106067535A (en) * | 2016-08-11 | 2016-11-02 | 宁德时代新能源科技股份有限公司 | Battery with a battery cell |
| CN106159190A (en) * | 2016-08-11 | 2016-11-23 | 宁德时代新能源科技股份有限公司 | Battery with a battery cell |
| CN108023056A (en) * | 2016-11-03 | 2018-05-11 | 罗伯特·博世有限公司 | Battery list pond |
| CN109638366A (en) * | 2018-11-23 | 2019-04-16 | 天津市捷威动力工业有限公司 | A kind of lithium ion battery benefit lithium method |
-
2012
- 2012-03-20 CN CN2012201053587U patent/CN202585642U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449152A (en) * | 2015-02-16 | 2016-03-30 | 万向A一二三系统有限公司 | Lithium-ion battery with pneumatic anti-gas-expansion automatic liquid replenishing device |
| CN105449284A (en) * | 2015-02-16 | 2016-03-30 | 万向A一二三系统有限公司 | Lithium-ion battery with anti-gas-expansion automatic liquid replenishing device |
| CN105449284B (en) * | 2015-02-16 | 2017-09-12 | 万向一二三股份公司 | A kind of lithium ion battery provided with anti-flatulence automatic liquid supply device |
| CN105449152B (en) * | 2015-02-16 | 2017-09-12 | 万向一二三股份公司 | A kind of lithium ion battery provided with the anti-flatulence automatic liquid supply device of pneumatic type |
| CN106067535A (en) * | 2016-08-11 | 2016-11-02 | 宁德时代新能源科技股份有限公司 | Battery with a battery cell |
| CN106159190A (en) * | 2016-08-11 | 2016-11-23 | 宁德时代新能源科技股份有限公司 | Battery with a battery cell |
| CN106067535B (en) * | 2016-08-11 | 2018-09-18 | 宁德时代新能源科技股份有限公司 | Battery with a battery cell |
| CN106159190B (en) * | 2016-08-11 | 2018-10-30 | 宁德时代新能源科技股份有限公司 | Battery with a battery cell |
| CN108023056A (en) * | 2016-11-03 | 2018-05-11 | 罗伯特·博世有限公司 | Battery list pond |
| CN109638366A (en) * | 2018-11-23 | 2019-04-16 | 天津市捷威动力工业有限公司 | A kind of lithium ion battery benefit lithium method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140320 |