阅读说明：本技术 一种防漏型无汞、无铅、无镉环保碳性锌锰干电池及其制作方法 (Leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery and manufacturing method thereof ) 是由 王嘉军 王文周 于金华 马忠红 于 2020-06-15 设计创作，主要内容包括：本发明属于碳性电池领域,公开了一种防漏型无汞、无铅、无镉环保碳性锌锰干电池,包括负极锌筒、碳棒、电解液、隔膜、封口胶、盖帽、防漏膜和保护壳,所述碳棒位于负极锌筒内,所述电解液包覆于碳棒外围,所述隔膜位于电解液外围且位于负极锌筒内侧,所述盖帽与负极锌筒组合。本发明制得的防漏型无汞、无铅、无镉环保碳性锌锰干电池,通过封口胶对电解液进行密封,有效防止电解液从电池顶部泄漏,保证了密封效果,同时通过防漏膜和防护壳进行辅助防漏,进一步提高防漏效果,有效确保电池的正常使用寿命和使用性能,解决了市售无汞、无铅、无镉碳性锌锰干电池在使用过程中存在电池内溶液易泄漏的问题。(The invention belongs to the field of carbon batteries, and discloses a leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery which comprises a negative electrode zinc cylinder, a carbon rod, electrolyte, a diaphragm, sealing glue, a cap, a leakage-proof film and a protective shell, wherein the carbon rod is positioned in the negative electrode zinc cylinder, the electrolyte is coated on the periphery of the carbon rod, the diaphragm is positioned on the periphery of the electrolyte and positioned on the inner side of the negative electrode zinc cylinder, and the cap is combined with the negative electrode zinc cylinder. The anti-leakage type mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery prepared by the invention seals the electrolyte through the sealing glue, effectively prevents the electrolyte from leaking from the top of the battery, ensures the sealing effect, simultaneously performs auxiliary leakage prevention through the leakage prevention film and the protective shell, further improves the leakage prevention effect, effectively ensures the normal service life and the service performance of the battery, and solves the problem that the solution in the battery is easy to leak in the use process of the commercially available mercury-free, lead-free and cadmium-free carbon zinc-manganese dry battery.)

1. A leak-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery is characterized in that: the carbon rod is positioned in the negative zinc cylinder, the electrolyte is coated on the periphery of the carbon rod, the diaphragm is positioned on the periphery of the electrolyte and positioned on the inner side of the negative zinc cylinder, the cap is combined with the negative zinc cylinder and coated on the outer sides of the cap and the negative zinc cylinder, the protective shell is positioned on the outer side of the leakage-proof film, and the leakage-proof film is insoluble in water and resistant to acid electrolyte corrosion;

the sealing adhesive comprises the following components in parts by weight: 30-40 parts of epoxy resin, 4-8 parts of acidity regulator, 1-3 parts of blocking filler, 10-20 parts of epoxy diluent and 2-4 parts of auxiliary agent.

2. The leak-proof mercury-free, lead-free, cadmium-free environment-friendly carbon zinc-manganese dioxide dry battery and the manufacturing method thereof as claimed in claim 1, wherein: the preparation method of the sealing adhesive comprises the following steps:

s1, adding epoxy resin and epoxy diluent into a stirrer, then softening in a water bath at 70-90 ℃ for 20-30min, and stirring for 10-20min by using a stirrer after softening is finished;

s2, adding a blocking filler into the stirred epoxy resin, and stirring for 6-10 min;

s3, adding an acid regulator and an auxiliary agent into the epoxy resin mixed with the blocking filler, and continuously stirring for 10-20min to form the sealing glue.

3. The leak-proof mercury-free, lead-free, cadmium-free, environmentally friendly zinc-manganese carbon dry cell as claimed in claim 1, wherein: the leak protection membrane is a nano silicon dioxide membrane, and the protective shell and the leak protection membrane, the cover cap and the negative electrode zinc cylinder are bonded through polyurethane.

4. The leak-proof mercury-free, lead-free, cadmium-free, environmentally friendly zinc-manganese carbon dry cell as claimed in claim 1, wherein: the epoxy resin is a mixture of bisphenol A epoxy resin and phenolic epoxy resin.

5. The leak-proof mercury-free, lead-free, cadmium-free, environmentally friendly zinc-manganese carbon dry cell as claimed in claim 1, wherein: the blocking filler is titanium dioxide, the diameter of the titanium dioxide is 3-5 micrometers, and the acidity regulator is boric acid.

6. The leak-proof mercury-free, lead-free, cadmium-free, environmentally friendly zinc-manganese carbon dry cell as claimed in claim 1, wherein: the auxiliary agent is a mixture consisting of an equal amount of defoaming agent and anti-shrinkage agent.

7. A manufacturing method of a leak-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery is characterized by comprising the following steps:

1) a diaphragm is sleeved in the negative electrode zinc cylinder, and then electrolyte is injected;

2) inserting a carbon rod, sealing with sealing glue, covering with a cap, and crimping and sealing on a machine;

3) coating polyurethane adhesive on the outer sides of the negative electrode zinc cylinder and the cap, and then coating a leakage-proof film;

4) and coating a polyurethane adhesive on the outer side of the leakage-proof film, and finally sleeving a protective shell to obtain the leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dioxide dry battery.

Technical Field

The invention relates to the technical field of carbon batteries, in particular to a leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery and a manufacturing method thereof.

Background

Carbon batteries are all called: the neutral zinc-manganese dioxide dry cell is a disposable one, and its electrolyte is a paste which can not flow, so that it is also called dry cell, and is a mercury-free, lead-free and cadmium-free carbon zinc-manganese dioxide dry cell.

However, the current commercial mercury-free, lead-free and cadmium-free carbon zinc-manganese dry batteries also have the problem that the solution in the batteries is easy to leak in the using process, and the electric appliances are easy to be damaged, so the leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery and the manufacturing method thereof are provided, so that the mercury-free, lead-free and cadmium-free carbon zinc-manganese dry battery is safe and environment-friendly.

Disclosure of Invention

Technical problem to be solved

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery and a manufacturing method thereof, which have the advantage of leakage prevention and solve the problem that the solution in the battery is easy to leak in the using process of the mercury-free, lead-free and cadmium-free carbon zinc-manganese dry battery sold in the market at present.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme:

a leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery comprises a negative electrode zinc cylinder, a carbon rod, electrolyte, a diaphragm, sealing glue, a cap, a leakage-proof film and a protective shell, wherein the carbon rod is positioned in the negative electrode zinc cylinder, the electrolyte is coated on the periphery of the carbon rod, the diaphragm is positioned on the periphery of the electrolyte and positioned on the inner side of the negative electrode zinc cylinder, the cap is combined with the negative electrode zinc cylinder and coated on the outer sides of the cap and the negative electrode zinc cylinder, the protective shell is positioned on the outer side of the leakage-proof film, and the leakage-proof film is insoluble in water and resistant to acid electrolyte corrosion;

the sealing adhesive comprises the following components in parts by weight: 30-40 parts of epoxy resin, 4-8 parts of acidity regulator, 1-3 parts of blocking filler, 10-20 parts of epoxy diluent and 2-4 parts of auxiliary agent.

Preferably, the preparation method of the sealing compound comprises the following steps:

s1, adding epoxy resin and epoxy diluent into a stirrer, then softening in a water bath at 70-90 ℃ for 20-30min, and stirring for 10-20min by using a stirrer after softening is finished;

s2, adding a blocking filler into the stirred epoxy resin, and stirring for 6-10 min;

s3, adding an acid regulator and an auxiliary agent into the epoxy resin mixed with the blocking filler, and continuously stirring for 10-20min to form the sealing glue.

Preferably, the leakage-proof membrane is a nano silicon dioxide membrane, and the protective shell and the leakage-proof membrane, the cap and the negative electrode zinc cylinder are bonded through polyurethane.

Preferably, the epoxy resin is a mixture of bisphenol a type epoxy resin and novolac type epoxy resin.

Preferably, the blocking filler is titanium dioxide, the diameter of the titanium dioxide is 3-5 microns, and the acidity regulator is boric acid.

Preferably, the auxiliary agent is a mixture consisting of equal amounts of the defoaming agent and the anti-shrinkage agent.

The invention aims to solve another technical problem of providing a manufacturing method of a leak-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery, which comprises the following steps:

1) a diaphragm is sleeved in the negative electrode zinc cylinder, and then electrolyte is injected;

2) inserting a carbon rod, sealing with sealing glue, covering with a cap, and crimping and sealing on a machine;

3) coating polyurethane adhesive on the outer sides of the negative electrode zinc cylinder and the cap, and then coating a leakage-proof film;

4) and coating a polyurethane adhesive on the outer side of the leakage-proof film, and finally sleeving a protective shell to obtain the leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dioxide dry battery.

(III) advantageous effects

Compared with the prior art, the invention provides a leak-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery and a manufacturing method thereof, and the leak-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery has the following beneficial effects:

(1) the anti-leakage type mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery prepared by the invention seals the electrolyte through the sealing glue, effectively prevents the electrolyte from leaking from the top of the battery, ensures the sealing effect, simultaneously performs auxiliary leakage prevention through the leakage prevention film and the protective shell, further improves the leakage prevention effect, effectively ensures the normal service life and the service performance of the battery, and solves the problem that the solution in the battery is easy to leak in the use process of the commercially available mercury-free, lead-free and cadmium-free carbon zinc-manganese dry battery.

(2) The sealing compound prepared by the formula has strong stability and a cavity with sealing performance, can effectively prevent electrolyte from leaking from the top of a battery, and can effectively reduce the overall fluidity of the sealing compound by blocking fillers, so that the sealing performance of the sealing compound is improved, the resistance of the sealing compound to the electrolyte can be increased by the aid of the acid regulator, the durability of the sealing compound is improved, the density and the bonding force of the sealing compound after solidification can be increased by the aid of the defoaming agent and the anti-shrinkage agent, and the leakage-proof effect is improved.

(3) The nano silicon dioxide film layer is arranged between the protective shell and the battery body, when liquid leaks, the nano silicon dioxide film layer has an adsorption effect on liquid, the liquid and the polyurethane are subjected to a curing reaction through polyurethane bonding, the sealing performance of the polyurethane is further improved, and therefore the liquid leakage prevention performance is effectively improved.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

a leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery comprises a negative electrode zinc cylinder, a carbon rod, electrolyte, a diaphragm, sealing glue, a cap, a leakage-proof film and a protective shell, wherein the carbon rod is positioned in the negative electrode zinc cylinder, the electrolyte is coated on the periphery of the carbon rod, the diaphragm is positioned on the periphery of the electrolyte and positioned on the inner side of the negative electrode zinc cylinder, the cap is combined with the negative electrode zinc cylinder and coated on the outer sides of the cap and the negative electrode zinc cylinder together with the leakage-proof film, the protective shell is positioned on the outer side of the leakage-proof film, and the leakage-proof film is insoluble in water and resistant to acid electrolyte corrosion;

the sealing glue comprises the following components in parts by weight: 30 parts of epoxy resin, 4 parts of acidity regulator, 1 part of blocking filler, 10 parts of epoxy diluent and 2 parts of auxiliary agent.

Further, the preparation method of the sealing adhesive comprises the following steps:

s1, adding epoxy resin and an epoxy diluent into a stirrer, then softening in a 70 ℃ water bath for 20min, and stirring for 10min by using a stirrer after softening;

s2, adding a blocking filler into the stirred epoxy resin, and stirring for 6 min;

and S3, adding an acid regulator and an auxiliary agent into the epoxy resin mixed with the blocking filler, and continuously stirring for 10min to form the sealing glue.

Further, the leak protection membrane is the nanometer silica membrane, all bonds through the polyurethane between protective housing and the leak protection membrane, between leak protection membrane and the block, the negative pole zinc section of thick bamboo, is provided with the nanometer silica rete between protective housing and the battery body, to when the weeping, has the adsorption to liquid, rethread polyurethane bonds, and liquid and polyurethane take place the solidification reaction, further improve polyurethane's leakproofness to effectively improve the weeping nature.

Furthermore, the epoxy resin is a mixture of bisphenol A type epoxy resin and phenolic aldehyde type epoxy resin, and the epoxy resin has good surface activity, so that the sealing glue can not deform and flow from the sealing position at high temperature.

Furthermore, the blocking filler is titanium dioxide, the main component of the titanium dioxide is a color pigment of the titanium dioxide, the titanium dioxide is chemically stable, the titanium dioxide is a meta-acidic amphoteric oxide, hardly reacts with other elements and compounds at normal temperature, the heat resistance is good, the diameter of the titanium dioxide is 3 micrometers, the finally formed sealant is fine and smooth, the adhesive capacity is strong, the acid regulator is boric acid, and the boric acid is white powdery crystals or triclinic scaly glossy crystals and has a greasy hand feeling.

Furthermore, the auxiliary agent is a mixture consisting of an equal amount of defoaming agent and anti-shrinkage agent.

A manufacturing method of a leak-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery comprises the following steps:

1) a diaphragm is sleeved in the negative electrode zinc cylinder, and then electrolyte is injected;

2) inserting a carbon rod, sealing with sealing glue, covering with a cap, and crimping and sealing on a machine;

3) coating polyurethane adhesive on the outer sides of the negative electrode zinc cylinder and the cap, and then coating a leakage-proof film;

4) and coating a polyurethane adhesive on the outer side of the leakage-proof film, and finally sleeving a protective shell to obtain the leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dioxide dry battery.

Example two:

a leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery comprises a negative electrode zinc cylinder, a carbon rod, electrolyte, a diaphragm, sealing glue, a cap, a leakage-proof film and a protective shell, wherein the carbon rod is positioned in the negative electrode zinc cylinder, the electrolyte is coated on the periphery of the carbon rod, the diaphragm is positioned on the periphery of the electrolyte and positioned on the inner side of the negative electrode zinc cylinder, the cap is combined with the negative electrode zinc cylinder and coated on the outer sides of the cap and the negative electrode zinc cylinder together with the leakage-proof film, the protective shell is positioned on the outer side of the leakage-proof film, and the leakage-proof film is insoluble in water and resistant to acid electrolyte corrosion;

the sealing glue comprises the following components in parts by weight: 35 parts of epoxy resin, 6 parts of an acidity regulator, 2 parts of a blocking filler, 15 parts of an epoxy diluent and 3 parts of an auxiliary agent.

Further, the preparation method of the sealing adhesive comprises the following steps:

s1, adding epoxy resin and an epoxy diluent into a stirrer, then softening in a water bath at 80 ℃ for 25min, and stirring for 15min by using a stirrer after softening;

s2, adding a blocking filler into the stirred epoxy resin, and stirring for 8 min;

and S3, adding an acid regulator and an auxiliary agent into the epoxy resin mixed with the blocking filler, and continuously stirring for 15min to form the sealing glue.

Further, the leak protection membrane is the nanometer silica membrane, all bonds through the polyurethane between protective housing and the leak protection membrane, between leak protection membrane and the block, the negative pole zinc section of thick bamboo, is provided with the nanometer silica rete between protective housing and the battery body, to when the weeping, has the adsorption to liquid, rethread polyurethane bonds, and liquid and polyurethane take place the solidification reaction, further improve polyurethane's leakproofness to effectively improve the weeping nature.

Furthermore, the epoxy resin is a mixture of bisphenol A type epoxy resin and phenolic aldehyde type epoxy resin, and the epoxy resin has good surface activity, so that the sealing glue can not deform and flow from the sealing position at high temperature.

Furthermore, the main component of the titanium dioxide is a color pigment of the titanium dioxide, the titanium dioxide is chemically stable, is a slightly acidic amphoteric oxide, hardly reacts with other elements and compounds at normal temperature, has good heat resistance, has the diameter of 4 microns, can ensure that the finally formed sealant is fine and smooth and has strong adhesive capacity, the acid regulator is boric acid, and the boric acid is white powdery crystal or triclinic axial surface scaly gloss crystal and has a greasy hand feeling.

Furthermore, the auxiliary agent is a mixture consisting of an equal amount of defoaming agent and anti-shrinkage agent.

A manufacturing method of a leak-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery comprises the following steps:

1) a diaphragm is sleeved in the negative electrode zinc cylinder, and then electrolyte is injected;

2) inserting a carbon rod, sealing with sealing glue, covering with a cap, and crimping and sealing on a machine;

3) coating polyurethane adhesive on the outer sides of the negative electrode zinc cylinder and the cap, and then coating a leakage-proof film;

4) and coating a polyurethane adhesive on the outer side of the leakage-proof film, and finally sleeving a protective shell to obtain the leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dioxide dry battery.

Example three:

a leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery comprises a negative electrode zinc cylinder, a carbon rod, electrolyte, a diaphragm, sealing glue, a cap, a leakage-proof film and a protective shell, wherein the carbon rod is positioned in the negative electrode zinc cylinder, the electrolyte is coated on the periphery of the carbon rod, the diaphragm is positioned on the periphery of the electrolyte and positioned on the inner side of the negative electrode zinc cylinder, the cap is combined with the negative electrode zinc cylinder and coated on the outer sides of the cap and the negative electrode zinc cylinder together with the leakage-proof film, the protective shell is positioned on the outer side of the leakage-proof film, and the leakage-proof film is insoluble in water and resistant to acid electrolyte corrosion;

the sealing glue comprises the following components in parts by weight: 40 parts of epoxy resin, 8 parts of an acidity regulator, 3 parts of a blocking filler, 20 parts of an epoxy diluent and 4 parts of an auxiliary agent.

Further, the preparation method of the sealing adhesive comprises the following steps:

s1, adding epoxy resin and an epoxy diluent into a stirrer, then softening in a water bath at 90 ℃ for 30min, and stirring for 20min by using a stirrer after softening;

s2, adding a blocking filler into the stirred epoxy resin, and stirring for 10 min;

and S3, adding an acid regulator and an auxiliary agent into the epoxy resin mixed with the blocking filler, and continuously stirring for 20min to form the sealing glue.

Further, the leak protection membrane is the nanometer silica membrane, all bonds through the polyurethane between protective housing and the leak protection membrane, between leak protection membrane and the block, the negative pole zinc section of thick bamboo, is provided with the nanometer silica rete between protective housing and the battery body, to when the weeping, has the adsorption to liquid, rethread polyurethane bonds, and liquid and polyurethane take place the solidification reaction, further improve polyurethane's leakproofness to effectively improve the weeping nature.

Furthermore, the epoxy resin is a mixture of bisphenol A type epoxy resin and phenolic aldehyde type epoxy resin, and the epoxy resin has good surface activity, so that the sealing glue can not deform and flow from the sealing position at high temperature.

Furthermore, the main component of the titanium dioxide is a color pigment of the titanium dioxide, the titanium dioxide is chemically stable, is a slightly acidic amphoteric oxide, hardly reacts with other elements and compounds at normal temperature, has good heat resistance, has the diameter of 5 microns, can ensure that the finally formed sealant is fine and smooth and has strong adhesive capacity, the acid regulator is boric acid, and the boric acid is white powdery crystal or triclinic axial surface scaly gloss crystal and has a greasy hand feeling.

Furthermore, the auxiliary agent is a mixture consisting of an equal amount of defoaming agent and anti-shrinkage agent.

A manufacturing method of a leak-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dry battery comprises the following steps:

1) a diaphragm is sleeved in the negative electrode zinc cylinder, and then electrolyte is injected;

2) inserting a carbon rod, sealing with sealing glue, covering with a cap, and crimping and sealing on a machine;

3) coating polyurethane adhesive on the outer sides of the negative electrode zinc cylinder and the cap, and then coating a leakage-proof film;

4) and coating a polyurethane adhesive on the outer side of the leakage-proof film, and finally sleeving a protective shell to obtain the leakage-proof mercury-free, lead-free and cadmium-free environment-friendly carbon zinc-manganese dioxide dry battery.

The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.