CN109461947A - Preparation method of flexible zinc-manganese battery based on kelp electrolyte - Google Patents

Preparation method of flexible zinc-manganese battery based on kelp electrolyte Download PDF

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Publication number
CN109461947A
CN109461947A CN201811233333.3A CN201811233333A CN109461947A CN 109461947 A CN109461947 A CN 109461947A CN 201811233333 A CN201811233333 A CN 201811233333A CN 109461947 A CN109461947 A CN 109461947A
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CN
China
Prior art keywords
kelp
electrolyte
manganese dioxide
zinc
flexible
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.)
Pending
Application number
CN201811233333.3A
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Chinese (zh)
Inventor
王书阳
鲍若凡
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Shanghai Shangde Experimental School
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Shanghai Shangde Experimental School
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Shangde Experimental School filed Critical Shanghai Shangde Experimental School
Priority to CN201811233333.3A priority Critical patent/CN109461947A/en
Publication of CN109461947A publication Critical patent/CN109461947A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/005—Devices for making primary cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/04—Cells with aqueous electrolyte
    • H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/22—Immobilising of electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop

Abstract

The invention discloses a preparation method of a flexible zinc-manganese battery based on a kelp electrolyte, which comprises the following steps: uniformly coating manganese dioxide on the carbon film to serve as a positive electrode, and taking a zinc sheet as a negative electrode; kelp treated by potassium hydroxide solution with certain concentration is used as a diaphragm and electrolyte; and (3) combining the manganese dioxide positive electrode, the kelp electrolyte and the zinc sheet negative electrode in a laminated manner, and packaging by using a plastic packaging film to obtain the flexible zinc-manganese battery. The flexible zinc-manganese battery prepared by the invention with the kelp as the electrolyte meets the flexible requirements of flexibility, foldability and the like, is not easy to leak liquid, and has a simple preparation method. Sufficient material source, low cost, degradable electrolyte and little environmental pollution.

Description

Preparation method of flexible zinc-manganese battery based on kelp electrolyte
Technical Field
The invention belongs to the technical field of energy devices, and particularly relates to a preparation method of a flexible zinc-manganese battery based on a kelp electrolyte.
Background
Future electronic devices are moving towards flexible wearability. Various novel flexible electronic devices have been produced to attract the eye of the public as well as numerous companies. At present, some companies have introduced a series of flexible electronic products such as flexible screens, flexible keyboards, wearable physical examination devices, etc. In order to really realize the concept of a flexible device, it is crucial that the energy storing and supplying unit (battery) of the flexible device also has to be flexible. In addition, most of the conventional batteries have elements harmful to human bodies or the environment, and considering that the life of the batteries used in consumer electronics is relatively short and the products are dispersed, the recovery is relatively difficult, and the random discarding causes serious burden to the environment. Meanwhile, as the batteries are used in wearable devices, the problem of whether the batteries can cause harm to human bodies or not in case of failure or damage of the batteries is also considered. The existing flexible zinc-manganese battery has poor leakage safety. In conclusion, a preparation method of the flexible zinc-manganese battery based on the kelp electrolyte is provided.
Disclosure of Invention
In order to solve the existing problems, the invention provides a preparation method of a flexible zinc-manganese battery based on a kelp electrolyte, which can solve the problems mentioned in the background technology.
The invention is realized by the following technical scheme:
a preparation method of a flexible zinc-manganese battery based on a kelp electrolyte is characterized by comprising the following steps:
manganese dioxide is evenly coated on the carbon film to be used as a positive electrode, and a zinc sheet is used as a negative electrode.
The kelp treated by potassium hydroxide solution with certain concentration is used as a diaphragm and electrolyte.
And (3) combining the manganese dioxide positive electrode, the kelp electrolyte and the zinc sheet negative electrode in a laminated manner, and packaging by using a plastic packaging film to obtain the flexible zinc-manganese battery.
Further, the preparation method of the manganese dioxide coating specifically adopts the following steps: manganese dioxide, PDVF and acetylene black in a certain mass ratio are mixed and ground uniformly, and a certain amount of N-methyl pyrrolidone is added and stirred into slurry.
Further, the mixing mass ratio of the manganese dioxide, the PDVF and the acetylene black is 8:1:1.
further, the preparation method of the kelp treated by the potassium hydroxide solution with certain concentration as a diaphragm and an electrolyte specifically adopts the following method: putting dry kelp with a certain size into a potassium hydroxide solution with a certain concentration, and foaming for a certain time.
Further, the size of the dry kelp is 1-100 cm 2 。
Further, the concentration of the potassium hydroxide solution is 1-10 mol/L.
Furthermore, the foaming time is 0.5-4 h.
Furthermore, the thickness of the zinc sheet is 0.2-0.5 mm.
Compared with the prior art, the invention has the beneficial effects that: the flexible zinc-manganese battery prepared by the invention with the kelp as the electrolyte meets the flexible requirements of flexibility, foldability and the like, is not easy to leak liquid, and has a simple preparation method. Sufficient material source, low cost, degradable electrolyte and little environmental pollution.
Drawings
Fig. 1 is a flowchart of a method for manufacturing a flexible zinc-manganese dioxide battery based on a kelp electrolyte according to an embodiment of the present application.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1, a preparation method of a flexible zinc-manganese dioxide battery based on kelp electrolyte comprises the following steps:
s1, uniformly coating manganese dioxide on a carbon film to serve as a positive electrode, and using a zinc sheet as a negative electrode.
The preparation method of the manganese dioxide coating comprises the following steps: cutting the carbon film into 2 x 5cm 2 Cleaning and wiping the carbon membrane, and mixing manganese dioxide, PDVF and acetylene black according to a mass ratio of 8:1:1 mixing and grinding uniformly, adding a certain amount of N-methyl pyrrolidone, and stirring to form slurry to obtain a viscous manganese dioxide coating. Uniformly coating manganese dioxide coating on the carbon film with the coating area of 2 x 2cm 2 The carbon membrane of (3). And (3) putting the coated carbon membrane into a vacuum drying furnace for low-temperature drying for 30min to obtain the manganese dioxide anode. The thickness of the zinc sheet is 0.2-0.5 mm.
S2, taking the kelp treated by the potassium hydroxide solution with certain concentration as a diaphragm and an electrolyte.
The preparation method of the kelp treated by the potassium hydroxide solution with certain concentration as the diaphragm and the electrolyte specifically adopts the following method: and (3) putting the dried kelp with a certain size into a potassium hydroxide solution with a certain concentration, and foaming for a certain time to obtain the kelp electrolyte containing potassium hydroxide. Wherein the size of the dried kelp is 1-100 cm 2 The concentration of the potassium hydroxide solution is 1-10 mol/L, and the foaming time is 0.5-4 h.
And S3, laminating and combining the manganese dioxide positive electrode, the kelp electrolyte and the zinc sheet negative electrode, and packaging with a plastic packaging film to obtain the flexible battery.
The flexible zinc-manganese dioxide battery prepared by the invention with kelp as electrolyte meets the flexible requirements of flexibility, foldability and the like, is not easy to leak liquid, and has simple preparation method. Sufficient material source, low cost, degradable electrolyte and little environmental pollution.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. A preparation method of a flexible zinc-manganese battery based on a kelp electrolyte is characterized by comprising the following steps:
uniformly coating manganese dioxide on the carbon film to serve as a positive electrode, and taking a zinc sheet as a negative electrode;
kelp treated by potassium hydroxide solution with certain concentration is used as a diaphragm and electrolyte;
and (3) combining the manganese dioxide positive electrode, the kelp electrolyte and the zinc sheet negative electrode in a laminated manner, and packaging by using a plastic packaging film to obtain the flexible zinc-manganese battery.
2. The preparation method of the flexible zinc-manganese dioxide battery based on the kelp electrolyte as claimed in claim 1, wherein the preparation method of the manganese dioxide coating specifically adopts the following method: manganese dioxide, PDVF and acetylene black in a certain mass ratio are mixed and ground uniformly, and a certain amount of N-methyl pyrrolidone is added and stirred into slurry.
3. The preparation method of the flexible zinc-manganese dioxide battery based on the kelp electrolyte as claimed in claim 2, wherein the mixing mass ratio of manganese dioxide, PDVF and acetylene black is 8:1:1.
4. the method for preparing the flexible zinc-manganese dioxide battery based on the kelp electrolyte as claimed in claim 1, wherein the kelp treated by the potassium hydroxide solution with a certain concentration is used as a diaphragm and the electrolyte is prepared by the following method: putting dry kelp with a certain size into a potassium hydroxide solution with a certain concentration, and foaming for a certain time.
5. The method for preparing a flexible zinc-manganese dioxide battery based on a kelp electrolyte according to claim 4, wherein the size of the dried kelp is 1-100 cm 2 。
6. The method for preparing the flexible zinc-manganese dioxide battery based on the kelp electrolyte as claimed in claim 4, wherein the concentration of the potassium hydroxide solution is 1-10 mol/L.
7. The preparation method of the flexible zinc-manganese dioxide battery based on the kelp electrolyte as claimed in claim 4, wherein the foaming time is 0.5-4 h.
8. The method for preparing the flexible zinc-manganese dioxide battery based on the kelp electrolyte as claimed in claim 1, wherein the thickness of the zinc sheet is 0.2-0.5 mm.
CN201811233333.3A 2018-10-23 2018-10-23 Preparation method of flexible zinc-manganese battery based on kelp electrolyte Pending CN109461947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811233333.3A CN109461947A (en) 2018-10-23 2018-10-23 Preparation method of flexible zinc-manganese battery based on kelp electrolyte

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811233333.3A CN109461947A (en) 2018-10-23 2018-10-23 Preparation method of flexible zinc-manganese battery based on kelp electrolyte

Publications (1)

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CN109461947A true CN109461947A (en) 2019-03-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110707371A (en) * 2019-10-14 2020-01-17 吉凯阳科技(杭州)有限公司 Alkaline zinc-manganese rechargeable battery

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201072785Y (en) * 2007-06-21 2008-06-11 梅静 High power alkaline zinc-manganese battery
CN102097642A (en) * 2010-12-24 2011-06-15 陈滇宝 Kelp biomass cell
CN107221648A (en) * 2017-04-26 2017-09-29 苏州浏宸新材料科技有限公司 A kind of preparation method of flexible battery
CN108172854A (en) * 2016-12-07 2018-06-15 广东力王新能源股份有限公司 Alkaline zinc-manganese battery containing zinc oxide and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201072785Y (en) * 2007-06-21 2008-06-11 梅静 High power alkaline zinc-manganese battery
CN102097642A (en) * 2010-12-24 2011-06-15 陈滇宝 Kelp biomass cell
CN108172854A (en) * 2016-12-07 2018-06-15 广东力王新能源股份有限公司 Alkaline zinc-manganese battery containing zinc oxide and preparation method thereof
CN107221648A (en) * 2017-04-26 2017-09-29 苏州浏宸新材料科技有限公司 A kind of preparation method of flexible battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110707371A (en) * 2019-10-14 2020-01-17 吉凯阳科技(杭州)有限公司 Alkaline zinc-manganese rechargeable battery
CN110707371B (en) * 2019-10-14 2020-10-16 吉凯阳科技(杭州)有限公司 Alkaline zinc-manganese rechargeable battery

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