阅读说明：本技术 一种环保材料的电池制作方法 (Manufacturing method of battery made of environment-friendly material ) 是由 邱雅凤 于 2021-08-03 设计创作，主要内容包括：本发明公开了一种环保材料的电池制作方法,步骤一、采用高温对磷酸铁锂进行烘烤热处理,步骤二、将经步骤一处理后的磷酸锂铁用球磨机进行球磨化处理,步骤三、进行球磨化处理过程中添加超导电炭黑、聚偏氟乙烯、KS-6,步骤四、将球磨处理之后的混合料在NMP溶液中混合均匀,得到正极浆料,步骤五、将正极浆料均匀涂抹到电池正极,得到电池正极片,步骤六、将层状炭材、导电炭材、粘合剂和N-甲基吡咯烷酮混合制成浆料,得到负极浆料,负极浆料均匀涂抹到电池负极,得到电池负极片,步骤七、将上述的正极片、负极片与隔离片卷绕或层叠成电芯。本发明所述的一种环保材料的电池制作方法,属于电池制作领域,能够降低电池生产所产生的的污染。(The invention discloses a method for manufacturing a battery made of an environment-friendly material, which comprises the following steps of firstly, baking lithium iron phosphate at high temperature, secondly, carrying out ball milling treatment on the lithium iron phosphate treated in the first step by using a ball mill, thirdly, adding superconducting carbon black, polyvinylidene fluoride and KS-6 in the ball milling treatment process, fourthly, uniformly mixing the mixture subjected to the ball milling treatment in an NMP solution to obtain anode slurry, fifthly, uniformly coating the positive electrode slurry on the positive electrode of the battery to obtain a positive electrode plate of the battery, mixing the layered carbon material, the conductive carbon material, the adhesive and the N-methyl pyrrolidone to prepare slurry to obtain a negative electrode slurry, uniformly coating the negative electrode slurry on the negative electrode of the battery to obtain a negative electrode plate of the battery, and winding or laminating the positive electrode plate, the negative electrode plate and the spacer into the battery core. The invention discloses a battery manufacturing method of an environment-friendly material, belongs to the field of battery manufacturing, and can reduce pollution generated by battery production.)

1. The manufacturing method of the battery made of the environment-friendly material is characterized by comprising the following steps of:

the method comprises the following steps: and (3) carrying out baking heat treatment on the lithium iron phosphate at high temperature.

Step two: and D, performing ball milling treatment on the lithium iron phosphate treated in the step one by using a ball mill.

Step three: adding superconducting carbon black, polyvinylidene fluoride and KS-6 in the ball milling process.

Step four: uniformly mixing the mixture subjected to the ball milling treatment in an NMP solution to obtain anode slurry;

step five: and uniformly coating the positive electrode slurry on the positive electrode of the battery to obtain the positive electrode plate of the battery.

Step six: and mixing the layered carbon material, the conductive carbon material, the adhesive and the N-methyl pyrrolidone to prepare slurry to obtain negative electrode slurry, and uniformly coating the negative electrode slurry on the negative electrode of the battery to obtain the negative electrode plate of the battery.

Step seven: and winding or laminating the positive plate, the negative plate and the isolating sheet into a battery cell, and assembling a plurality of battery cells together after parallel and serial connection.

Step eight: and (3) putting the acidic waste generated by the preparation into a neutralization tank, putting a neutralizing agent into the neutralization tank, and discharging after the waste is neutralized.

2. The method for manufacturing a battery made of an environment-friendly material according to claim 1, wherein the method comprises the following steps: the temperature of the baking heat treatment in the step one is controlled to be about 350 ℃, the temperature difference is controlled to be +/-5 ℃, and the baking time is 8 hours.

3. The method for manufacturing a battery made of an environment-friendly material according to claim 1, wherein the method comprises the following steps: the ball milling treatment time in the second step is not less than 3 hours, and the longest time is not more than 5 hours.

4. The method for manufacturing a battery made of an environment-friendly material according to claim 1, wherein the method comprises the following steps: the ratio of the superconducting carbon black, the polyvinylidene fluoride and the KS-6 in the third step is 5: 10: 4.

5. The method for manufacturing a battery made of an environment-friendly material according to claim 1, wherein the method comprises the following steps: and the mixture in the fourth step is uniformly mixed in the NMP solution and stirred for 1-2 hours.

6. The method for manufacturing a battery made of an environment-friendly material according to claim 1, wherein the method comprises the following steps: the ratio of the layered carbon material, the conductive carbon material, the adhesive and the N-methyl pyrrolidone in the sixth step is 95: 2: 1.

7. The method for manufacturing a battery made of an environment-friendly material according to claim 1, wherein the method comprises the following steps: and the neutralizing agent used in the step eight is calcium oxide, the neutralizing time is 24 hours, and the pH value in the neutralizing tank after neutralization is 6.5-7.5.

Technical Field

The invention relates to the field of battery manufacturing, in particular to a battery manufacturing method of an environment-friendly material.

Background

The device for converting chemical energy into electric energy is called a chemical battery, generally called a battery for short. After discharging, the internal active material can be regenerated by charging to store the electric energy as chemical energy; chemical energy is converted into electrical energy again when electrical discharge is required. Such batteries are called storage batteries (battery batteries), also called secondary batteries. A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Lithium batteries can be broadly classified into two types of lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. Lithium ion batteries have been commonly used in portable electrical appliances such as portable computers, video cameras, and mobile communications due to their unique performance advantages. The lithium battery is widely applied to energy storage power systems such as hydraulic power, firepower, wind power and solar power stations, uninterrupted power supplies for post and telecommunications communication, and a plurality of fields such as electric tools, electric bicycles, electric motorcycles, electric automobiles, military equipment and aerospace, however, the lithium battery can generate a large amount of acidic wastes in the production process, and the acidic wastes can pollute the environment after being discharged.

Disclosure of Invention

The invention mainly aims to provide a method for manufacturing a battery by using an environment-friendly material, which can effectively solve the problems in the background art.

In order to achieve the purpose, the invention adopts the technical scheme that:

a method for manufacturing a battery made of an environment-friendly material comprises the following steps:

the method comprises the following steps: and (3) carrying out baking heat treatment on the lithium iron phosphate at high temperature.

Step two: and D, performing ball milling treatment on the lithium iron phosphate treated in the step one by using a ball mill.

Step three: adding superconducting carbon black, polyvinylidene fluoride and KS-6 in the ball milling process.

Step four: uniformly mixing the mixture subjected to the ball milling treatment in an NMP solution to obtain anode slurry;

step five: and uniformly coating the positive electrode slurry on the positive electrode of the battery to obtain the positive electrode plate of the battery.

Step six: and mixing the layered carbon material, the conductive carbon material, the adhesive and the N-methyl pyrrolidone to prepare slurry to obtain negative electrode slurry, and uniformly coating the negative electrode slurry on the negative electrode of the battery to obtain the negative electrode plate of the battery.

Step seven: and winding or laminating the positive plate, the negative plate and the isolating sheet into a battery cell, and assembling a plurality of battery cells together after parallel and serial connection.

Preferably, the temperature of the baking heat treatment in the step one is controlled to be about 350 ℃, the temperature difference is controlled to be +/-5 ℃, and the baking time is 8 hours.

Preferably, the time of the ball milling treatment in the second step is not less than 3 hours, and not more than 5 hours at most.

Preferably, the ratio of the superconducting carbon black, the polyvinylidene fluoride and the KS-6 in the third step is 5: 10: 4.

Preferably, the mixture obtained in the fourth step is uniformly mixed in the NMP solution and stirred for 1-2 hours.

Preferably, the ratio of the layered carbon material, the conductive carbon material, the adhesive and the N-methylpyrrolidone in the sixth step is 95: 2: 1.

Preferably, the neutralizing agent used in the eighth step is calcium oxide, the neutralizing time is 24 hours, and the pH value in the neutralizing tank after the neutralization is 6.5-7.5.

Compared with the prior art, the invention has the following beneficial effects:

the lithium battery prepared by the method has high safety performance, small volume and large capacity, and can neutralize the generated acidic waste in the production process, so that the environment is prevented from being polluted after the acidic waste is discharged.

Drawings

FIG. 1 is a flow chart of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1, a method for manufacturing a battery made of an environment-friendly material includes the following steps:

the method comprises the following steps: and (3) carrying out baking heat treatment on the lithium iron phosphate at high temperature.

Step two: and D, performing ball milling treatment on the lithium iron phosphate treated in the step one by using a ball mill.

Step three: adding superconducting carbon black, polyvinylidene fluoride and KS-6 in the ball milling process.

Step four: uniformly mixing the mixture subjected to the ball milling treatment in an NMP solution to obtain anode slurry;

step five: and uniformly coating the positive electrode slurry on the positive electrode of the battery to obtain the positive electrode plate of the battery.

Step six: and mixing the layered carbon material, the conductive carbon material, the adhesive and the N-methyl pyrrolidone to prepare slurry to obtain negative electrode slurry, and uniformly coating the negative electrode slurry on the negative electrode of the battery to obtain the negative electrode plate of the battery.

Step seven: and winding or laminating the positive plate, the negative plate and the isolating sheet into a battery cell, and assembling a plurality of battery cells together after parallel and serial connection.

Step eight: and (3) putting the acidic waste generated by the preparation into a neutralization tank, putting a neutralizing agent into the neutralization tank, and discharging after the waste is neutralized.

The temperature of the baking heat treatment in the first step is controlled to be about 350 ℃, the temperature difference is controlled to be +/-5 ℃, the baking time is 8 hours, the ball milling treatment time in the second step is not less than 3 hours, the longest time is not more than 5 hours, the ratio of the superconducting carbon black, the polyvinylidene fluoride and the KS-6 in the third step is 5: 10: 4, the mixture in the fourth step is uniformly mixed in an NMP solution and is stirred for 1-2 hours, the ratio of the layered carbon material, the conductive carbon material, the adhesive and the N-methyl pyrrolidone in the sixth step is 95: 2: 1, the neutralizing agent used in the eighth step is calcium oxide, the neutralizing time is 24 hours, and the pH value in the neutralizing tank after neutralization is 6.5-7.5.

The invention is a method for manufacturing a battery made of an environment-friendly material, which comprises the steps of 1-7, wherein during actual use, the battery is manufactured according to the steps of 1-7, acidic waste generated in the manufacturing process is put into a neutralization tank, calcium oxide can be added into the neutralization tank after the acidic waste is put into the neutralization tank, the calcium oxide can be hydrolyzed to generate calcium hydroxide after being added into the neutralization tank, the calcium hydroxide is alkaline and can neutralize the acidic waste, the pH value in the neutralization tank can be detected after the calcium hydroxide is kept stand for 24 hours, the calcium hydroxide can be discharged normally if the pH value reaches the standard, and the calcium oxide can be added for neutralization until the standard is reached if the pH value does not reach the standard.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.