CN101707255A - Novel flexible packing lithium battery - Google Patents
Novel flexible packing lithium battery Download PDFInfo
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- CN101707255A CN101707255A CN200910193878.0A CN200910193878A CN101707255A CN 101707255 A CN101707255 A CN 101707255A CN 200910193878 A CN200910193878 A CN 200910193878A CN 101707255 A CN101707255 A CN 101707255A
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- lithium battery
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- packing lithium
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a novel flexible packing lithium battery, which comprises a shell, anode and cathode pieces in the shell, a membrane between the anode and cathode pieces and positive and negative tabs arranged on the anode and the cathode pieces respectively, wherein the anode piece is anode paste pressed with a metallic aluminum net, the cathode piece is a metallic lithium belt, and the membrane is a composite membrane of polypropylene and polyethylene; and the anode paste is prepared by crosslinking 40 to 50 percent of heat treated anode powder, 20 to 60 percent of deionized water, 0 to 25 percent of alcohol and 1 to 6 percent of agglomerant in a blender in percentage by weight. The capacity of the flexible packing lithium battery is equal to or greater than that of rechargeable lithium batteries of which the physical dimensions are the same as those of the flexible packing lithium battery. Material cost of the flexible packing lithium battery is less than that of the rechargeable lithium batteries, so that the flexible packing lithium battery is easy to manufacture and low in cost, and has the capacity according with the product requirements.
Description
Technical field
The present invention relates to lithium battery and manufacturing technology field thereof, relate in particular to the lithium battery of a flexible package.
Background technology
Existing Soft Roll lithium battery all is a secondary lithium battery, this cell making process is complicated, cost is high, need charging repeatedly in the use, and use the occasion of Soft Roll lithium batteries at some, as power supply as the electronics cigarette, secondary lithium battery is actual to be used as primary cell, thereby causes the battery utilization rate low, has caused the waste of resource.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of easy making, cost is low, utilization rate is high flexible package lithium cell.
The technical problem to be solved in the present invention is achieved through the following technical solutions: a kind of novel flexible packing lithium battery, comprise the positive/negative plate in housing, the housing, the barrier film between the positive/negative plate, be located at the positive and negative lug on the positive/negative plate respectively, described positive plate is the anodal cream that is pressed with the metallic aluminium net, negative plate is a metal lithium bands, and barrier film is polypropylene and poly composite membrane.
Further: in above-mentioned novel flexible packing lithium battery, described anodal cream is cross-linked into cream by heat treated positive powder and deionized water, alcohol, binding agent in mixer, its percentage by weight is positive powder 40～50%, deionized water 20～60%, alcohol 0～25%, binding agent 1～6%.Described positive powder is the mixture of electrolytic manganese dioxide, acetylene black, graphite, and the weight ratio of described manganese dioxide, acetylene black graphite is (2～4): 1: 1.Described binding agent is one or more in polytetrafluoroethylene, sodium carboxymethylcellulose, carboxylic styrene butadiene latex, hydroxypropyl methylcellulose, carbomer, the PEM resin.Described metallic aluminium net thickness is 0.08～0.45mm, and mesh is a rhombus, and aperture size is (0.5～2.5) mm * (1.0～3.0) mm.
Further again: in above-mentioned novel flexible packing lithium battery, also inject electrolyte in the described battery case, described electrolyte is the mixture of electrolyte and organic solvent, and electrolyte concentration is 0.5～1.5mol/L.Described electrolyte is one or more in lithium perchlorate, trifluoromethyl sulfonic acid lithium, lithium nitrate, lithium chloride, the lithium iodide; Described organic solvent is one or more in dimethyl carbonate, diethyl carbonate, dipropyl carbonate, carbonic acid first propyl ester, ethyl propyl carbonic acid ester, ethylene carbonate, butylene, propene carbonate, second dioxane dimethyl ether, dioxolanes, sulfolane, the methyl-sulfoxide.The mode that described positive and negative lug is pasted by spot welding, gummed paper is connected described Soft Roll lithium battery with positive and negative plate overall dimension is that length * external diameter equals (10～70) mm * (3～20) mm.Described positive plate thickness is 0.10～0.80mm, and negative plate thickness is 0.05～0.30mm, and membrane thicknesses is 0.01～0.04mm.
Compared with prior art, above-mentioned novel flexible packing lithium battery, comprise the positive/negative plate in housing, the housing, the barrier film between the positive/negative plate, be located at the positive and negative lug on the positive/negative plate respectively, described positive plate is the anodal cream that is pressed with the metallic aluminium net, negative plate is a metal lithium bands, barrier film is polypropylene and poly composite membrane, and these materials obtain easily, and are with low cost. the positive and negative lug of battery, mode by spot welding, gummed paper are pasted is connected with positive and negative electrode; Negative pole, the barrier film of band lug, the positive pole of band lug are wound into electric core in order; Then electric core is put into housing, housing is made up of aluminum plastic film, be connected with positive and negative lug respectively by the heat seal mode, after injecting electrolyte, so by the heat seal mode housing is all sealed again. the invention has the beneficial effects as follows: adopt technique scheme, manufacture craft is simple, and the secondary lithium battery of battery capacity and identical appearance size is suitable, or surpasses secondary lithium battery; And the material therefor cost is lower than secondary lithium battery, thereby provides a kind of easy making, cost lower, and capacity meets the flexible package lithium cell of product demand.
Embodiment
Purport of the present invention provides the raw material that are simple and easy to obtain, and makes a kind of flexible package lithium cell.The good electrical property of this flexible package lithium cell reaches the electrical property standard of serondary lithium battery, thereby replaces secondary lithium electricity to use energy savings as primary cell.Below in conjunction with embodiment content of the present invention is described in further detail, mentioned content is not a limitation of the invention among the embodiment, and the selection of battery material can be suited measures to local conditions and the result be there is no substantial effect.
A kind of novel flexible packing lithium battery, comprise the positive/negative plate in housing, the housing, the barrier film between the positive/negative plate, be located at the positive and negative lug on the positive/negative plate respectively, described positive plate is the anodal cream that is pressed with the metallic aluminium net, negative plate is a metal lithium bands, and barrier film is polypropylene and poly composite membrane.Described anodal cream is cross-linked into cream by heat treated positive powder and deionized water, alcohol, binding agent in mixer, its percentage by weight is positive powder 40～50%, deionized water 20～60%, alcohol 0～25%, binding agent 1～6%.Described positive powder is the mixture of electrolytic manganese dioxide, acetylene black, graphite, and the weight ratio of described two manganese dioxide, acetylene black graphite is (2～4): 1: 1.Described binding agent is one or more in polytetrafluoroethylene, sodium carboxymethylcellulose, carboxylic styrene butadiene latex, hydroxypropyl methylcellulose, carbomer, the PEM resin.Described metallic aluminium net thickness is 0.08～0.45mm, and mesh is a rhombus, and aperture size is (0.5～2.5) mm * (1.0～3.0) mm.Also inject electrolyte in the described battery case, described electrolyte is the mixture of electrolyte and organic solvent, and electrolyte concentration is 0.5～1.5mol/L.Described electrolyte is one or more in lithium perchlorate, trifluoromethyl sulfonic acid lithium, lithium nitrate, lithium chloride, the lithium iodide; Described organic solvent is one or more in dimethyl carbonate, diethyl carbonate, dipropyl carbonate, carbonic acid first propyl ester, ethyl propyl carbonic acid ester, ethylene carbonate, butylene, propene carbonate, second dioxane dimethyl ether, dioxolanes, sulfolane, the methyl-sulfoxide.The mode that described positive and negative lug is pasted by spot welding, gummed paper is connected with positive and negative plate.The overall dimension of described Soft Roll lithium battery is that length * external diameter equals (10～70) mm * (3～20) mm.Described positive plate thickness is 0.10～0.80mm, and negative plate thickness is 0.05～0.30mm, and membrane thicknesses is 0.01～0.04mm.With 08400 flexible package lithium cell that said method makes, its overall dimension length * external diameter is 40mm * 8.0mm, contrasts with the performance parameter of existing secondary lithium-ion flexible-packed battery, and flexible package lithium cell performance parameter of the present invention is superior, as shown in table 1.
Table 1: performance parameter test table
Claims (10)
1. novel flexible packing lithium battery, comprise the positive/negative plate in housing, the housing, the barrier film between the positive/negative plate, be located at the positive and negative lug on the positive/negative plate respectively, it is characterized in that: described positive plate is the anodal cream that is pressed with the metallic aluminium net, negative plate is a metal lithium bands, and barrier film is polypropylene and poly composite membrane.
2. novel flexible packing lithium battery according to claim 1, it is characterized in that: described anodal cream is cross-linked into cream by heat treated positive powder and deionized water, alcohol, binding agent in mixer, and its percentage by weight is positive powder 40～50%, deionized water 20～60%, alcohol 0～25%, binding agent 1～6%.
3. novel flexible packing lithium battery according to claim 2 is characterized in that: described positive powder is the mixture of electrolytic manganese dioxide, acetylene black, graphite, and the weight ratio of described manganese dioxide, acetylene black graphite is (2～4): 1: 1.
4. novel flexible packing lithium battery according to claim 3 is characterized in that: described binding agent is one or more in polytetrafluoroethylene, sodium carboxymethylcellulose, carboxylic styrene butadiene latex, hydroxypropyl methylcellulose, carbomer, the PEM resin.
5. novel Soft Roll lithium battery according to claim 4 is characterized in that: described metallic aluminium net thickness is 0.08～0.45mm, and mesh is a rhombus, and aperture size is (0.5～2.5) mm * (1.0～3.0) mm.
6. novel flexible packing lithium battery according to claim 2 is characterized in that: also inject electrolyte in the described battery case, described electrolyte is the mixture of electrolyte and organic solvent, and electrolyte concentration is 0.5～1.5mol/L.
7. novel flexible packing lithium battery according to claim 5 is characterized in that: described electrolyte is one or more in lithium perchlorate, trifluoromethyl sulfonic acid lithium, lithium nitrate, lithium chloride, the lithium iodide; Described organic solvent is one or more in dimethyl carbonate, diethyl carbonate, dipropyl carbonate, carbonic acid first propyl ester, ethyl propyl carbonic acid ester, ethylene carbonate, butylene, propene carbonate, second dioxane dimethyl ether, dioxolanes, sulfolane, the methyl-sulfoxide.
8. according to each described novel flexible packing lithium battery among the claim 1-7, it is characterized in that: the mode that described positive and negative lug is pasted by spot welding, gummed paper is connected with positive and negative plate.
9. according to each described novel flexible packing lithium battery among the claim 1-7, it is characterized in that: the overall dimension of described Soft Roll lithium battery is that length * external diameter equals (10～70) mm * (3～20) mm.
10. according to each described novel flexible packing lithium battery among the claim 1-7, it is characterized in that: described positive plate thickness is 0.10～0.80mm, and negative plate thickness is 0.05～0.30mm, and membrane thicknesses is 0.01～0.04mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910193878.0A CN101707255A (en) | 2009-11-11 | 2009-11-11 | Novel flexible packing lithium battery |
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| CN200910193878.0A CN101707255A (en) | 2009-11-11 | 2009-11-11 | Novel flexible packing lithium battery |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867059A (en) * | 2010-05-25 | 2010-10-20 | 陈性保 | Ultrathin lithium-manganese polymer battery and processing method thereof |
| CN103814468A (en) * | 2013-09-27 | 2014-05-21 | 惠州亿纬锂能股份有限公司 | Electrolyte for lithium battery and lithium battery using the electrolyte |
| CN106099133A (en) * | 2016-08-30 | 2016-11-09 | 惠州市惠德瑞锂电科技股份有限公司 | A kind of lithium battery core body, preparation method and the lithium primary battery of gained |
| CN106099132A (en) * | 2016-08-30 | 2016-11-09 | 惠州市惠德瑞锂电科技股份有限公司 | A kind of lithium battery core body and the lithium primary battery of gained |
| CN108199045A (en) * | 2017-12-13 | 2018-06-22 | 广州鹏辉能源科技股份有限公司 | Anode material for lithium-ion batteries, based lithium-ion battery positive plate and preparation method thereof and lithium ion battery |
| CN109103354A (en) * | 2018-07-11 | 2018-12-28 | 惠州基安比新能源有限公司 | A kind of soft-package battery and preparation method thereof |
| CN109524708A (en) * | 2018-09-11 | 2019-03-26 | 湖南立方新能源科技有限责任公司 | High-energy-density flexible-package metal lithium battery |
| CN109659492A (en) * | 2017-12-21 | 2019-04-19 | 广州鹏辉能源科技股份有限公司 | A kind of anode plate for lithium ionic cell and preparation method thereof and lithium ion battery |
| CN116404292A (en) * | 2023-06-06 | 2023-07-07 | 中创新航科技集团股份有限公司 | Recycling method of lithium battery positive plate |
-
2009
- 2009-11-11 CN CN200910193878.0A patent/CN101707255A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867059A (en) * | 2010-05-25 | 2010-10-20 | 陈性保 | Ultrathin lithium-manganese polymer battery and processing method thereof |
| CN103814468A (en) * | 2013-09-27 | 2014-05-21 | 惠州亿纬锂能股份有限公司 | Electrolyte for lithium battery and lithium battery using the electrolyte |
| WO2015042851A1 (en) * | 2013-09-27 | 2015-04-02 | 惠州亿纬锂能股份有限公司 | Electrolyte for lithium battery and lithium battery using same |
| CN103814468B (en) * | 2013-09-27 | 2018-07-06 | 惠州亿纬锂能股份有限公司 | A kind of electrolyte for lithium cells and the lithium battery using the electrolyte |
| CN106099133A (en) * | 2016-08-30 | 2016-11-09 | 惠州市惠德瑞锂电科技股份有限公司 | A kind of lithium battery core body, preparation method and the lithium primary battery of gained |
| CN106099132A (en) * | 2016-08-30 | 2016-11-09 | 惠州市惠德瑞锂电科技股份有限公司 | A kind of lithium battery core body and the lithium primary battery of gained |
| CN108199045A (en) * | 2017-12-13 | 2018-06-22 | 广州鹏辉能源科技股份有限公司 | Anode material for lithium-ion batteries, based lithium-ion battery positive plate and preparation method thereof and lithium ion battery |
| CN109659492A (en) * | 2017-12-21 | 2019-04-19 | 广州鹏辉能源科技股份有限公司 | A kind of anode plate for lithium ionic cell and preparation method thereof and lithium ion battery |
| CN109103354A (en) * | 2018-07-11 | 2018-12-28 | 惠州基安比新能源有限公司 | A kind of soft-package battery and preparation method thereof |
| CN109524708A (en) * | 2018-09-11 | 2019-03-26 | 湖南立方新能源科技有限责任公司 | High-energy-density flexible-package metal lithium battery |
| CN109524708B (en) * | 2018-09-11 | 2022-05-13 | 湖南立方新能源科技有限责任公司 | High-energy-density flexible-package metal lithium battery |
| CN116404292A (en) * | 2023-06-06 | 2023-07-07 | 中创新航科技集团股份有限公司 | Recycling method of lithium battery positive plate |
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Open date: 20100512 |