CN205355178U - Cylindrical power lithium ion battery of high magnification - Google Patents
Cylindrical power lithium ion battery of high magnification Download PDFInfo
- Publication number
- CN205355178U CN205355178U CN201620058646.XU CN201620058646U CN205355178U CN 205355178 U CN205355178 U CN 205355178U CN 201620058646 U CN201620058646 U CN 201620058646U CN 205355178 U CN205355178 U CN 205355178U
- Authority
- CN
- China
- Prior art keywords
- active material
- negative
- positive
- material layer
- electrode active
- 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.)
- Withdrawn - After Issue
Links
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model belongs to a cylindrical power lithium ion battery of high magnification, including the nickel plating box hat the nickel plating box hat is inside to be equipped with electrolyte, establish the inside lithium ion cell of nickel plating box hat, lithium ion cell including superpose in proper order and positive plate, the first diaphragm of coiling, negative pole piece and second diaphragm, positive plate include that aluminium foil, positive pole draw the end and establish on aluminium foil inner circle surface and outer lane positive active material layer on the surface, the positive pole is drawn to serve and is equipped with aluminium matter positive pole ear, the width on positive active material layer is the same with the width of aluminium foil, its length is 30~80mm, the negative pole piece includes copper foil, cathode extraction end and establishes on copper foil inner circle surface and outer lane negative active material layer on the surface that cathode extraction is served and is equipped with nickel matter negative pole ear, and the width on negative active material layer is the same with the width of copper foil, and its length be 33~83mm, and it is simple to have an assembly, and the yield is high, just can improve the advantage of battery heat dispersion, high rate properties and cyclicity ability.
Description
Technical field
This utility model belongs to lithium ion battery production technical field, is specifically related to a kind of high-magnification cylindrical power lithium-ion battery.
Background technology
Lithium ion battery has output voltage height, and specific energy is high, discharging voltage balance, the feature having extended cycle life.So lithium ion battery has been widely used for notebook computer, digital camera, field of mobile phones.And more and more obtain application in dynamic field, energy storage field.Dynamic field, when lithium ion battery applications is on electric tool, electronic toy, electric vehicle, it is necessary to battery has better high rate during charging-discharging.
Current driving force lithium ion battery has rectangular cell, cylindrical battery；There is liquid state batteries, have polymer battery.All there is the problem of overheating itself in any battery, if lithium ion battery overheating itself, not only can cause battery self thermal runaway, also can smolder, on fire, even explodes, and causes fire, causes much unnecessary loss.
Utility model content
The purpose of this utility model is in that to overcome defect of the prior art to provide a kind of assembling simple, and yield rate is high, and can improve the high-magnification cylindrical power lithium-ion battery of battery heat dispersion, high rate capability and cycle performance.
The purpose of this utility model is achieved in that and includes nickel plating box hat, it is provided with electrolyte inside described nickel plating box hat, it is located at the lithium-ion electric core within nickel plating box hat, the upper and lower of lithium-ion electric core is respectively equipped with insulating trip and lower insulating trip, nickel plating box hat upper opening place is provided with cushion rubber, the interior bottom of cushion rubber is set with connection aluminium flake, the top of described cushion rubber is provided with and is connected the electrode cap that aluminium flake is connected, lithium-ion electric core includes the positive plate being sequentially stacked and winding, first barrier film, negative plate and the second barrier film, positive plate includes aluminum paper tinsel, it is located at the positive pole exit on aluminium foil centre position and the positive electrode active material layer being located on aluminium foil inner peripheral surface and outer peripheral surface, described positive pole exit is provided with aluminum matter anode ear, the width of positive electrode active material layer is identical with the width of aluminium foil, its length is 30～80mm, it is positive pole white space between described two adjacent positive electrode active material layers；Negative plate includes Copper Foil, be located at Copper Foil is respectively arranged at two ends with negative pole exit and the negative electrode active material layer being located on Copper Foil inner peripheral surface and outer peripheral surface, described negative pole exit is provided with nickel matter negative electrode lug, the width of negative electrode active material layer is identical with the width of Copper Foil, its length is 33～83mm, is negative pole white space between described two adjacent negative electrode active material layers；The center of described positive pole white space overlaps with the center of negative pole white space；Negative electrode active material layer in described negative plate covers outside the positive electrode active material layer in positive plate.
Preferably, the length of described positive pole white space is 5～11mm, and the length of negative pole white space is 2～8mm；
Preferably, being vertically arranged with the string length of side in described positive pole white space is 1mm, the positive pole diamond hole of drift angle 60 degree, and described 60 degree of angles are arranged along pole piece longitudinal direction, and the centre distance in said two neighboring diamonds hole is 3～5mm.
Preferably, being vertically arranged with the string length of side in described negative pole white space is 1mm, the negative pole diamond hole of drift angle 60 degree, and described 60 degree of angles are arranged along pole piece longitudinal direction, and the centre distance in said two neighboring diamonds hole is 3～5mm.
Preferably, the center of described positive pole diamond hole and the center of negative pole diamond hole coincide.
Preferably, on the position that described positive pole exit is connected with aluminum matter anode ear, on the inner ring that is connected with nickel matter negative electrode lug of negative pole exit and position, outer ring, the bottom of aluminum matter anode ear be respectively equipped with lug protecting high temperature paster.
According to the high-magnification cylindrical power lithium-ion battery that such scheme is made, overcome tradition positive plate, negative plate because of deformation that pole piece roll-in causes in manufacturing process, improve pole piece qualification rate and product quality, and improve fluid injection efficiency and reservoir quantity, the temperature rise reduction of corresponding battery high-multiplying power discharge, cycle life increase；Additionally, containing phase transfer catalyst 1,7 phenodiazine-12-crown ether-4 in electrolyte, described Azacrown ether containing molecule is substantially located at grade, oxygen atom on big ether ring and nitrogen-atoms in cavity but not polar hydroxyl groups outwardly, so chamber wife's or mothor's relative's ester and intracavity is hydrophilic, it is possible to lithium ion generation complex reaction, lithium hexafluoro phosphate is incorporated in organic solvent, hydrogen bond can also being passed through and form coordination compound with guest molecule, reducing the Fluohydric acid. corrosion to battery cathode, thus extending battery cycle life；Having assembling simple, yield rate is high, and the advantage that can improve battery heat dispersion, high rate capability and cycle performance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of this utility model positive plate；
Fig. 3 is the inner ring structural representation with outer ring of this utility model negative plate；
Fig. 4 is the structural representation of positive pole white space in this utility model positive plate.
Detailed description of the invention
In order to technical characteristic of the present utility model, purpose and effect are more clearly understood from, now comparison accompanying drawing illustrates detailed description of the invention of the present utility model, and label identical in the various figures represents identical parts.For making simplified form, only schematically show the part relevant to utility model in each figure, they do not represent its practical structures as product.
Such as Fig. 1, 2, 3, shown in 4, this utility model includes nickel plating box hat 1, described nickel plating box hat 1 is internal is provided with electrolyte, it is located at the lithium-ion electric core 2 within nickel plating box hat 1, the upper and lower of lithium-ion electric core 2 is respectively equipped with insulating trip 3 and lower insulating trip 4, nickel plating box hat 1 upper opening place is provided with cushion rubber 14, the interior bottom of cushion rubber 14 is set with connection aluminium flake 16, the top of described cushion rubber 14 is provided with and is connected the electrode cap 5 that aluminium flake 16 is connected, lithium-ion electric core 2 includes the positive plate 6 being sequentially stacked and winding, first barrier film 7, negative plate 8 and the second barrier film 9, positive plate 6 includes aluminum paper tinsel, it is located at the positive pole exit on aluminium foil centre position and the positive electrode active material layer 10 being located on aluminium foil inner peripheral surface and outer peripheral surface, described positive pole exit is provided with aluminum matter anode ear 12, the width of positive electrode active material layer 10 is identical with the width of aluminium foil, its length is 30～80mm, it is positive pole white space between described two adjacent positive electrode active material layers 10；Negative plate 8 includes Copper Foil, be located at Copper Foil is respectively arranged at two ends with negative pole exit and the negative electrode active material layer 11 being located on Copper Foil inner peripheral surface and outer peripheral surface, described negative pole exit is provided with nickel matter negative electrode lug 13, the width of negative electrode active material layer 11 is identical with the width of Copper Foil, its length is 33～83mm, is negative pole white space between described two adjacent negative electrode active material layers 11；The center of described positive pole white space overlaps with the center of negative pole white space；It is outside that negative electrode active material layer 11 in described negative plate 8 covers the positive electrode active material layer 10 in positive plate 6.The length of described positive pole white space is 5～11mm, and the length of negative pole white space is 2～8mm；Being vertically arranged with the string length of side in described positive pole white space is 1mm, the positive pole diamond hole of drift angle 60 degree, and described 60 degree of angles are arranged along pole piece longitudinal direction, and the centre distance in said two neighboring diamonds hole is 3～5mm.Being vertically arranged with the string length of side in described negative pole white space is 1mm, the negative pole diamond hole of drift angle 60 degree, and described 60 degree of angles are arranged along pole piece longitudinal direction, and the centre distance in said two neighboring diamonds hole is 3～5mm.The center of described positive pole diamond hole and the center of negative pole diamond hole coincide.On the position that described positive pole exit is connected with aluminum matter anode ear 12, on the inner ring that is connected with nickel matter negative electrode lug 13 of negative pole exit and position, outer ring, the bottom of aluminum matter anode ear 12 be respectively equipped with lug protecting high temperature paster 15.The material of positive electrode active material layer described in this utility model is one or several mixture of cobalt acid lithium, LiMn2O4, lithium nickelate, LiFePO4, nickle cobalt lithium manganate, nickel cobalt lithium aluminate or lithium ferric manganese phosphate.The material of described negative electrode active material layer is one or several the mixture in native graphite, Delanium, graphitized carbon fibre, modified graphite, composite graphite, process Delanium, graphited middle entry carbosphere, soft charcoal or hard charcoal.Described electrolyte is for including organic solvent, additive and lithium salts；The percentage by weight of described additive is 3-13%, and the percentage by weight of described lithium salts is 10-18%, and surplus is organic solvent；Described additive comprises phase transfer catalyst 1,7 phenodiazine-12-crown ether-4 percentage by weight 1-4%, 1,3-propene sultone percentage by weight 1-4%, vinylene carbonate percentage by weight 1-5%；Described lithium salts is lithium hexafluoro phosphate, described organic solvent is ethylene carbonate, Allyl carbonate, dimethyl carbonate, diethyl carbonate DEC, Ethyl methyl carbonate, gamma-butyrolacton, methyl formate, methyl acetate, methyl propionate, ethyl propionate EP, oxolane, 2 methyltetrahydrofurans, 1, 3 dioxolanes, 4-methyl isophthalic acid, 3 dioxolanes, dimethoxymethane, 1, 2-dimethoxy, 1, 2-dimethoxy propane, diethylene glycol dimethyl ether, crown ether, ethylene sulfite, propylene sulfite, two kinds or several mixture in dimethyl sulfite and sulfurous acid diethyl ester.The material of described first barrier film 7 and the second barrier film 9 is the one in polypropylene, polyethylene, polypropylene and polyethylene composite diaphragm, polyimide diaphragm.The figure of described Fig. 3 middle and upper part is negative plate inner ring, and the figure of bottom is negative plate outer ring.
Experimental example
The product of contrast experiment is as follows:
Using this utility model is that example is taken charge of the ICR18650-2000mAh battery of production, INR18650-2000mAh battery and ICR18650P-1500mAh battery with me and contrasted, respectively ICR18650-2000mAh battery is denoted as comparative example 1, INR18650-2000mAh battery is denoted as comparative example 2, ICR18650P-1500mAh battery and is denoted as comparative example 3；
Experimental technique:
1, by roller footpath 600mm, the roll squeezer roll-in embodiment one of pressure 200 tons, comparative example 1, comparative example 2 and comparative example 3, after drawing roll-in, pole piece radian/mm is following result: embodiment one < 0.1mm, comparative example 1 < 0.1mm, comparative example 20.5mm and comparative example 30.3mm；
2, by vacuum more than 0.08MPa vacuum liquid injecting machine fluid injection embodiment one, comparative example 1, comparative example 2, comparative example 3, show that the result of reservoir quantity/10min is as follows: embodiment one 7.0g, comparative example 16.5g, comparative example 26.0g and comparative example 36.1g；
3, the resultant battery made by the way, 10C electric discharge maximum temperature result is as follows: embodiment one 58 DEG C, comparative example 175 DEG C, comparative example 270 DEG C, comparative example 359 DEG C；
4, at 1 normal atmosphere, ambient temperature 25 DEG C ± 2 DEG C, when relative humidity is 45%～80%, battery 1C5Constant current constant voltage 4.2V charges after 90min, shelves 30min, with 10C5A carries out being discharged to lower voltage limit 2.75V, 10C electric discharge mean voltage and is respectively as follows: embodiment one 3.468V, comparative example 13.267V, comparative example 23.253V, comparative example 33.325V；
5、1C5With 10C after constant current constant voltage 4.2V charging 90min5, be discharged to final voltage 2.75V and shelve 30min, circulation 300 times in this manner, the 10C discharge cycles life-span, embodiment one when being discharged to 80% capacity, comparative example 1, comparative example 2, comparative example 3 number of times be followed successively by 800 times, 600 times, 500 times, 610 times.
Experimental result:
Embodiment: from above-mentioned experiment: adopt diamond hole pole piece and the active substance axial clearance of this utility model technological design; pole piece radian is respectively less than 0.1mm; substantially can ignore, farthest protect positive pole aluminium foil and negative copper foil, improve pole piece electronic conduction ability.And by with phase transfer catalyst 1,7 phenodiazine-12-crown ether-4 with the use of, while battery core fluid injection improved efficiency, improve the wetting property of electrolyte and barrier film, active substance, improve ion conductivity during battery core exoelectrical reaction.Decreasing activation polarization, the mean voltage of battery discharge is substantially improved.It is eventually exhibited as the lifting about 1/3rd of battery cycle life.
Comparative example 1: from above-mentioned experiment: due to positive active material cobalt acid lithium, owing to material is layer structure, easy roll-in, therefore pole piece radian is little, although cobalt acid lithium electric conductivity is better than nickle cobalt lithium manganate, but is because without adopting this process structure, battery radiating effect is poor, therefore temperature rise is still higher, causes that battery discharge platform is low, and circulating effect is poor.
Comparative example 2: by above-mentioned experiment it can be seen that pole piece arc deforming causes that battery electron conductive capability is deteriorated, reservoir quantity causes that battery ions conductive capability is deteriorated less.Battery final discharging surface temperature drift 11-15 DEG C, cycle-index reduces 248 to 310 times.
Comparative example 3: from above-mentioned experiment: owing to pole piece active matter quality reduces, battery capacity reduces, 10C electric discharge maximum temperature has reduction < 60 DEG C, but owing to being provided without phase transfer catalyst 1, the 7 phenodiazine-12-crown ether-4 in this utility model, electrolyte ion poorly conductive, 10C electric discharge mean voltage is still lower 0.043V-0.143V than this programme.
In description of the present utility model, it will be appreciated that, term " top ", etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " being provided with ", " installation ", " being connected " etc. should be interpreted broadly, for instance, it is possible to it is fixing connection, connects integratedly, it is also possible to be removably connect；It can also be the connection of two element internals；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.It is to be noted in this article, " first ", " second ", " the 3rd " etc. are only for differentiation each other, but not represent their significance level and order etc..Foregoing detailed description is only for illustrating of feasibility embodiment of the present utility model; they are also not used to limit protection domain of the present utility model, and all equivalent implementations, change and transformations made without departing from this utility model skill spirit should be included within protection domain of the present utility model.
Claims (6)
1. a high-magnification cylindrical power lithium-ion battery, including nickel plating box hat (1), described nickel plating box hat (1) is internal is provided with electrolyte, it is located at the lithium-ion electric core (2) that nickel plating box hat (1) is internal, the upper and lower of lithium-ion electric core (2) is respectively equipped with insulating trip (3) and lower insulating trip (4), nickel plating box hat (1) upper opening place is provided with cushion rubber (14), the interior bottom of cushion rubber (14) is set with connection aluminium flake (16), the top of described cushion rubber (14) is provided with and is connected the electrode cap (5) that aluminium flake (16) is connected, it is characterized in that: described lithium-ion electric core (2) includes the positive plate (6) being sequentially stacked and winding, first barrier film (7), negative plate (8) and the second barrier film (9), positive plate (6) includes aluminum paper tinsel, it is located at the positive pole exit on aluminium foil centre position and the positive electrode active material layer (10) being located on aluminium foil inner peripheral surface and outer peripheral surface, described positive pole exit is provided with aluminum matter anode ear (12), the width of positive electrode active material layer (10) is identical with the width of aluminium foil, its length is 30～80mm, it is positive pole white space between described two adjacent positive electrode active material layers (10)；Negative plate (8) includes Copper Foil, be located at Copper Foil is respectively arranged at two ends with negative pole exit and the negative electrode active material layer (11) being located on Copper Foil inner peripheral surface and outer peripheral surface, described negative pole exit is provided with nickel matter negative electrode lug (13), the width of negative electrode active material layer (11) is identical with the width of Copper Foil, its length is 33～83mm, is negative pole white space between described two adjacent negative electrode active material layers (11)；The center of described positive pole white space overlaps with the center of negative pole white space；It is outside that negative electrode active material layer (11) in described negative plate (8) covers the positive electrode active material layer (10) in positive plate (6).
2. high-magnification cylindrical power lithium-ion battery according to claim 1, it is characterised in that: the length of described positive pole white space is 5～11mm, and the length of negative pole white space is 2～8mm.
3. high-magnification cylindrical power lithium-ion battery according to claim 2, it is characterized in that: being vertically arranged with the string length of side in described positive pole white space is 1mm, the positive pole diamond hole of drift angle 60 degree, described 60 degree of angles are arranged along pole piece longitudinal direction, and the centre distance in said two neighboring diamonds hole is 3～5mm.
4. high-magnification cylindrical power lithium-ion battery according to claim 2, it is characterized in that: being vertically arranged with the string length of side in described negative pole white space is 1mm, the negative pole diamond hole of drift angle 60 degree, described 60 degree of angles are arranged along pole piece longitudinal direction, and the centre distance in said two neighboring diamonds hole is 3～5mm.
5. high-magnification cylindrical power lithium-ion battery according to claim 3, it is characterised in that: the center of described positive pole diamond hole and the center of negative pole diamond hole coincide.
6. high-magnification cylindrical power lithium-ion battery according to claim 1, it is characterised in that: on the position that described positive pole exit is connected with aluminum matter anode ear (12), on the inner ring that is connected with nickel matter negative electrode lug (13) of negative pole exit and position, outer ring, the bottom of aluminum matter anode ear (12) be respectively equipped with lug protecting high temperature paster (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058646.XU CN205355178U (en) | 2016-01-15 | 2016-01-15 | Cylindrical power lithium ion battery of high magnification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058646.XU CN205355178U (en) | 2016-01-15 | 2016-01-15 | Cylindrical power lithium ion battery of high magnification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205355178U true CN205355178U (en) | 2016-06-29 |
Family
ID=56177006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620058646.XU Withdrawn - After Issue CN205355178U (en) | 2016-01-15 | 2016-01-15 | Cylindrical power lithium ion battery of high magnification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205355178U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552427A (en) * | 2016-01-15 | 2016-05-04 | 河南比得力高新能源科技有限公司 | High-magnification cylindrical power lithium ion battery |
| CN108288688A (en) * | 2018-03-27 | 2018-07-17 | 贵州东森新能源科技有限公司 | A kind of column lithium ion battery lug optimization structure |
| CN115207276A (en) * | 2022-08-03 | 2022-10-18 | 广西华桂兴时代新能源科技股份有限公司 | Positive plate with through hole and non-deformable secondary battery |
-
2016
- 2016-01-15 CN CN201620058646.XU patent/CN205355178U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552427A (en) * | 2016-01-15 | 2016-05-04 | 河南比得力高新能源科技有限公司 | High-magnification cylindrical power lithium ion battery |
| CN105552427B (en) * | 2016-01-15 | 2018-08-07 | 河南比得力高新能源科技有限公司 | High-magnification cylindrical power lithium-ion battery |
| CN108288688A (en) * | 2018-03-27 | 2018-07-17 | 贵州东森新能源科技有限公司 | A kind of column lithium ion battery lug optimization structure |
| CN115207276A (en) * | 2022-08-03 | 2022-10-18 | 广西华桂兴时代新能源科技股份有限公司 | Positive plate with through hole and non-deformable secondary battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102683634B (en) | High-capacity cylindrical lithium ion cell and production method thereof | |
| CN104009258B (en) | Electrode assembly, the battery unit including it and the method for preparing the battery unit | |
| CN101908613B (en) | Electrode assembly and secondary battery using the same | |
| TWI521769B (en) | Battery device with high energy density and power density | |
| US8187739B2 (en) | Power storage apparatus and cooling system | |
| US20140011070A1 (en) | Battery Cell Of Stair-Like Structure | |
| KR100719713B1 (en) | Lithium ion battery | |
| CN106663839B (en) | Nonaqueous electrolyte battery and battery pack | |
| CN105552427A (en) | High-magnification cylindrical power lithium ion battery | |
| CN102222801A (en) | Secondary battery | |
| JP2017168266A (en) | Nonaqueous electrolyte battery and battery pack | |
| JPWO2012029556A1 (en) | Non-aqueous secondary battery and method for producing non-aqueous secondary battery | |
| KR102547065B1 (en) | Secondary battery | |
| CN205355178U (en) | Cylindrical power lithium ion battery of high magnification | |
| EP4277013A1 (en) | Battery cell, battery and electric device | |
| CN105895948A (en) | Secondary battery | |
| US20150024267A1 (en) | Electrolyte having improved high-rate charge and discharge property, and capacitor comprising same | |
| CN106299264A (en) | A kind of positive electrode active materials and preparation method thereof, positive plate and lithium ion battery | |
| CN203351704U (en) | Ultra-high-multiplying-power cylindrical lithium iron phosphate battery containing graphene coating | |
| CN106229540A (en) | A kind of flexible lithium ion battery and manufacture method thereof | |
| WO2024192869A1 (en) | Cylindrical battery, power battery pack and electric apparatus | |
| KR20120066970A (en) | Secondary battery | |
| EP4451409A1 (en) | Electrochemical apparatus, battery module and electric apparatus | |
| WO2022051914A1 (en) | Electrochemical device and electronic device | |
| US20120057274A1 (en) | Lithium ion capacitor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20180807 |