CN203351704U - Ultra-high-multiplying-power cylindrical lithium iron phosphate battery containing graphene coating - Google Patents
Ultra-high-multiplying-power cylindrical lithium iron phosphate battery containing graphene coating Download PDFInfo
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- CN203351704U CN203351704U CN2013204210885U CN201320421088U CN203351704U CN 203351704 U CN203351704 U CN 203351704U CN 2013204210885 U CN2013204210885 U CN 2013204210885U CN 201320421088 U CN201320421088 U CN 201320421088U CN 203351704 U CN203351704 U CN 203351704U
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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 an ultra-high-multiplying-power cylindrical lithium iron phosphate battery containing a graphene coating. The ultra-high-multiplying-power cylindrical lithium iron phosphate battery is composed of a cell 12, a cylindrical steel shell 14 and a cap 10, wherein the cell 12 is formed by winding a positive electrode plate 8, a negative electrode plate 9 and a diaphragm 7 together, the positive electrode plate 8 is composed of a positive electrode current collector aluminum foil 1, a graphene coating 2 and a lithium iron phosphate coating 3, the negative electrode plate 9 is composed of a negative electrode current collector copper foil 4, a graphene coating 5 and a negative electrode material coating 6, electrolyte 13 is filled between the cylindrical steel shell 14 and the cell 12, a positive electrode tab 16 is welded on the positive electrode plate 8, and a negative electrode tab 17 is welded on the negative electrode plate 9. The ultra-high-multiplying-power cylindrical lithium iron phosphate battery disclosed by the utility model is simple in structure, the manufactured battery has the ultra-high-multiplying-power character of charging in 20C and discharging in 40C; the battery is especially suitable for the field of a hybrid power battery or the field with special requirement on high-multiplying-power discharge.
Description
Technical field:
The utility model relates to the lithium iron phosphate dynamic battery field, is specifically related to a kind of ultra-high magnifications LiFePO4 cylindrical battery of graphene-containing coating, is particularly suitable for hybrid-power battery or high-multiplying power discharge is had to the field of specific (special) requirements.
Background technology:
The Hybrid Vehicle dynamic lithium battery, must have the high rate charge-discharge ability.At present the Hybrid Vehicle cell of exploitation be take the ferric phosphate lithium cell system usually as main, mainly considers the characteristics such as safety, long-life of ferric phosphate lithium cell.In order to obtain having the battery that large multiplying power charges and discharge characteristic, the internal resistance of cell should be as far as possible little, depends on positive and negative electrode material, electrolyte, barrier film and matching design etc.The internal resistance of cell comprises the polarization resistance that ohmic internal resistance and electrochemical polarization and concentration polarization cause.The battery ohmic internal resistance is comprised of the contact resistance of electrode material, electrolyte, barrier film resistance and each several part part, relevant with the size of battery, structure, assembling etc.Polarization resistance is the electrochemical reaction of anode, negative pole, and ion diffusion cause the caused impedance of concentration polarization.Improve battery high rate charge-discharge ability, necessary reduce is from the caused internal resistance of above-mentioned three aspects:.Simultaneously battery pole piece also must have the high capacity of heat transmission, and the heat produced during by high current charge-discharge is derived as early as possible from inside battery, prevents the inside battery local overheating and causes electrolyte decomposition or barrier film to destroy.
Graphene is the new material of the individual layer laminated structure with two-dimensional structure developed recent years, has the high capacity of heat transmission and conductive capability.Its conductive coefficient is up to 5300 W/mK, and higher than carbon nano-tube and diamond, under normal temperature, its resistivity only approximately 10
-6Ω cm is the material of current resistivity minimum.The resistivity of Graphene is extremely low, and the speed of electron transfer is exceedingly fast, and therefore can be used for reducing the resistance in battery pole piece, improves battery multiplying power discharging ability, has the high capacity of heat transmission simultaneously, and the heat that can fast inside battery be produced is derived.
The utility model content:
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides a kind of simple in structure, there is ultra-high magnifications charging and discharging capabilities and quick conductive ability, there is the ultra-high magnifications LiFePO4 cylindrical battery of the graphene-containing coating of the ultra-high magnifications characteristic that 20C charges, 40C discharges.
The purpose of this utility model can reach by following measure: a kind of ultra-high magnifications LiFePO4 cylindrical battery of graphene-containing coating, it comprises the cylinder box hat, the cylinder box hat is provided with block, the top of cylinder box hat is provided with anodal insulating trip, bottom is provided with the negative pole insulating trip, be provided with battery core between anodal insulating trip and negative pole insulating trip in the cylinder box hat, battery core, the cylinder box hat, form the electrolyte cavities 3 that is filled with electrolyte between anodal insulating trip and negative pole insulating trip, it is characterized in that battery core is by anode pole piece, cathode pole piece forms together with membrane winding, anode pole piece is provided with positive pole ear, positive pole ear posts polar ear adhesive belt, positive pole ear is connected with block through anodal insulating trip, cathode pole piece is provided with negative lug, negative lug is posted polar ear adhesive belt, negative lug is connected with the cylinder box hat through the negative pole insulating trip, anode pole piece comprises the plus plate current-collecting body aluminium foil, the plus plate current-collecting body aluminium foil is provided with anodal Graphene coating outward, anodal Graphene coating is provided with anodal LiFePO4 coating outward, cathode pole piece comprises the negative current collector Copper Foil, the negative current collector Copper Foil is provided with negative pole Graphene coating outward, negative pole Graphene coating is provided with the negative material coating outward.
In order further to realize the purpose of this utility model, the quantity of described positive pole ear is at least 3.
In order further to realize the purpose of this utility model, the quantity of described negative lug is at least 3.
In order further to realize the purpose of this utility model, between described block and cylinder box hat, be provided with plastic outer ring.
The utility model can produce following good effect compared with the prior art: the utility model is simple in structure, all contains the LiFePO4 cylindrical battery of Graphene coating in positive/negative plate, and has ultra-high magnifications charging and discharging capabilities and quick conductive ability.It has: 1, battery has lower internal resistance; 2, battery has the superelevation charge/discharge rate property, can meet the fast charging and discharging ability of 20C charging, 40C electric discharge; 3, battery has the quick conductive ability, and in the high power charging-discharging process, the battery surface temperature is lower than conventional rate battery.
The accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model;
The structural representation of the anode pole piece that Fig. 2 is Fig. 1;
The vertical view that Fig. 3 is Fig. 2;
The structural representation of the cathode pole piece that Fig. 4 is Fig. 1;
The vertical view that Fig. 5 is Fig. 4;
Fig. 6 is the structural representation of the battery core for Fig. 1.
Embodiment: preferred forms of the present utility model is elaborated below in conjunction with accompanying drawing:
Embodiment: a kind of ultra-high magnifications LiFePO4 cylindrical battery (referring to Fig. 1-Fig. 6) of graphene-containing coating, it comprises cylinder box hat 14, connects block 10 on cylinder box hat 14, blocks a shot 10 with plastic outer ring 19, and tight seal between cylinder box hat 14, prevent the electrolyte leakage or enter air.The top of cylinder box hat 14 is provided with anodal insulating trip 11, bottom is provided with negative pole insulating trip 18, be provided with battery core 12 between the interior anodal insulating trip 11 of cylinder box hat 14 and negative pole insulating trip 18, form the electrolyte cavities 13 that is filled with electrolyte between battery core 12, cylinder box hat 14, anodal insulating trip 11 and negative pole insulating trip 18.Wherein battery core 12 forms (referring to Fig. 6) by anode pole piece 8, cathode pole piece 9 with together with barrier film 7 is wound on, and on anode pole piece 8, diverse location is welded with three or three above positive pole ears 16, and sticks polar ear adhesive belt 15; Positive pole ear 16 is connected with block 10 through anodal insulating trip 11 is rear, diverse location welding three or three above negative lug 17 on cathode pole piece 9, and stick polar ear adhesive belt 15, negative lug 17 is connected in cylinder box hat 14 bottoms through after negative pole insulating trip 18.Anode pole piece 8(is referring to Fig. 2, Fig. 3) comprise plus plate current-collecting body aluminium foil 1, be provided with anodal Graphene coating 2 outside plus plate current-collecting body aluminium foil 1, be provided with anodal LiFePO4 coating 3 outside anodal Graphene coating 2, cathode pole piece 9(is referring to Fig. 2, Fig. 3) comprise negative current collector Copper Foil 4, the outer negative pole Graphene coating 5 that is provided with of negative current collector Copper Foil 4, the outer negative material coating 6 that is provided with of negative pole Graphene coating 5.
Claims (4)
1. the ultra-high magnifications LiFePO4 cylindrical battery of a graphene-containing coating, it comprises cylinder box hat (14), cylinder box hat (14) is provided with block (10), the top of cylinder box hat (14) is provided with anodal insulating trip (11), bottom is provided with negative pole insulating trip (18), be provided with battery core (12) between anodal insulating trip (11) and negative pole insulating trip (18) in cylinder box hat (14), battery core (12), cylinder box hat (14), form the electrolyte cavities (13) that is filled with electrolyte between anodal insulating trip (11) and negative pole insulating trip (18), it is characterized in that battery core (12) is by anode pole piece (8), cathode pole piece (9) and barrier film (7) are wound on together and form, anode pole piece (8) is provided with positive pole ear (16), positive pole ear (16) posts polar ear adhesive belt (15), positive pole ear (16) is connected with block (10) through anodal insulating trip (11), cathode pole piece (9) is provided with negative lug (17), negative lug (17) is posted polar ear adhesive belt (15), negative lug (17) is connected with cylinder box hat (14) through negative pole insulating trip (18), anode pole piece (8) comprises plus plate current-collecting body aluminium foil (1), the outer anodal Graphene coating (2) that is provided with of plus plate current-collecting body aluminium foil (1), the outer anodal LiFePO4 coating (3) that is provided with of anodal Graphene coating (2), cathode pole piece (9) comprises negative current collector Copper Foil (4), the outer negative pole Graphene coating (5) that is provided with of negative current collector Copper Foil (4), the outer negative material coating (6) that is provided with of negative pole Graphene coating (5).
2. the ultra-high magnifications LiFePO4 cylindrical battery of a kind of graphene-containing coating according to claim 1, is characterized in that the quantity of described positive pole ear (16) is at least 3.
3. the ultra-high magnifications LiFePO4 cylindrical battery of a kind of graphene-containing coating according to claim 1, is characterized in that the quantity of described negative lug (17) is at least 3.
4. the ultra-high magnifications LiFePO4 cylindrical battery of a kind of graphene-containing coating according to claim 1, is characterized in that being provided with plastic outer ring (19) between described block (10) and cylinder box hat (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204210885U CN203351704U (en) | 2013-07-16 | 2013-07-16 | Ultra-high-multiplying-power cylindrical lithium iron phosphate battery containing graphene coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204210885U CN203351704U (en) | 2013-07-16 | 2013-07-16 | Ultra-high-multiplying-power cylindrical lithium iron phosphate battery containing graphene coating |
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| CN203351704U true CN203351704U (en) | 2013-12-18 |
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| CN2013204210885U Expired - Lifetime CN203351704U (en) | 2013-07-16 | 2013-07-16 | Ultra-high-multiplying-power cylindrical lithium iron phosphate battery containing graphene coating |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241606A (en) * | 2014-09-09 | 2014-12-24 | 海门容汇通用锂业有限公司 | Preparation method of lithium iron phosphate positive plate with high rate and superior low-temperature performance |
| CN105390695A (en) * | 2015-12-01 | 2016-03-09 | 王立军 | Graphene ultralow-temperature power lithium battery |
| CN108832122A (en) * | 2015-06-23 | 2018-11-16 | 上海交通大学 | Improve the method for electrochemical performances of lithium iron phosphate using copper/graphene |
| CN110492059A (en) * | 2019-08-28 | 2019-11-22 | 湖北锂诺新能源科技有限公司 | Preparation method of lithium ion battery equipped with high heat dissipation pole piece |
| CN112652776A (en) * | 2020-12-22 | 2021-04-13 | 中国电子科技集团公司第十八研究所 | Resistance chemical negative electrode current collecting structure of full-sealed cylindrical lithium primary battery |
-
2013
- 2013-07-16 CN CN2013204210885U patent/CN203351704U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241606A (en) * | 2014-09-09 | 2014-12-24 | 海门容汇通用锂业有限公司 | Preparation method of lithium iron phosphate positive plate with high rate and superior low-temperature performance |
| CN108832122A (en) * | 2015-06-23 | 2018-11-16 | 上海交通大学 | Improve the method for electrochemical performances of lithium iron phosphate using copper/graphene |
| CN105390695A (en) * | 2015-12-01 | 2016-03-09 | 王立军 | Graphene ultralow-temperature power lithium battery |
| CN105390695B (en) * | 2015-12-01 | 2019-08-13 | 王立军 | Graphene ultralow temperature dynamic lithium battery |
| CN110492059A (en) * | 2019-08-28 | 2019-11-22 | 湖北锂诺新能源科技有限公司 | Preparation method of lithium ion battery equipped with high heat dissipation pole piece |
| CN112652776A (en) * | 2020-12-22 | 2021-04-13 | 中国电子科技集团公司第十八研究所 | Resistance chemical negative electrode current collecting structure of full-sealed cylindrical lithium primary battery |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: YANTAI ZHUONENG BATTERY MATERIALS CO., LTD. Free format text: FORMER NAME: YANTAI ZHUONENG BATTERY MATERIAL CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 264002 No. 45, Chemical Road, Zhifu District, Shandong, Yantai Patentee after: YANTAI ZHUONENG BATTERY MATERIAL Co.,Ltd. Address before: 264002 No. 45, Chemical Road, Zhifu District, Shandong, Yantai Patentee before: YANTAI ZHUONENG BATTERY MATERIAL Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200415 Address after: 264003 12 / F, Tower B, Guanhai building, Guanhai Road, Laishan District, Yantai City, Shandong Province Patentee after: Yantai state owned Assets Management Co.,Ltd. Address before: 264002 No. 45, Chemical Road, Zhifu District, Shandong, Yantai Patentee before: YANTAI ZHUONENG BATTERY MATERIAL Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131218 |