3D lead-acid battery and production method thereof

A technology of lead-acid battery and manufacturing method, which is applied in the direction of lead-acid battery, lead-acid battery construction, and final product manufacturing, and can solve the problems of low conversion of chemical energy into effective electric energy, high calorific value of grids and active materials, and chemical formation and low charge and discharge efficiency, to achieve the effect of high utilization of active materials, small internal resistance, high formation and charge and discharge efficiency

Inactive Publication Date: 2015-08-26
重庆雷驰新能源科技有限公司
View PDF10 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] 2) If the internal resistance of current transmission is large, the heat generated by the grid and active materials will be high, the energy loss will be large, the amount of chemical energy converted into effective electric energy will be small, and the utilization rate of active materials will be low
[0015] 3) The internal resistance of current transmission is large, and the conversion efficiency between chemical energy and electrical energy is low, so the efficiency of formation and charge and discharge is low
[0016] 4) The heat of the grid is high, the efficiency of formation and charging and discharging is low, and the time is long, so that the grid is corroded for a long time and the cycle life of the grid is short
[0017] In summary, due to the small specific surface area of ​​the grid, the existing lead-acid batteries have large internal resistance, low utilization of active materials, low formation and charge-discharge efficiency, and short cycle life.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • 3D lead-acid battery and production method thereof
  • 3D lead-acid battery and production method thereof
  • 3D lead-acid battery and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The 3D lead-acid battery of the present invention includes an electrolytic cell, and the electrolytic cell contains H with a mass fraction of 35.6%. 2 SO 4 solution, the two ends of the electrolytic cell have an anode plate and a cathode plate, the anode plate is connected with the anode of the power supply, the cathode plate is connected with the cathode of the power supply, both the anode plate and the cathode plate include a grid, the grid is lead foil, and the lead foil is cold Rolled lead foil, the lead foil is corrugated, and there are many evenly distributed through holes on the lead foil. The cross-sectional area of ​​the through holes is square. Of course, rectangles, rhombuses, etc. are also within the protection scope of the present invention. The side length of the square is 1mm, the distance between two adjacent through holes is 0.4mm, and there is a layer of lead-tin alloy mesocrystalline layer on the surface of the lead foil. The upper and lower surfaces...

Embodiment 3

[0083] The difference between the structure of the 3D lead-acid battery of this embodiment and the first embodiment is that the side length of the square is 4 mm, the distance between adjacent through holes is 1.2 mm, and the rest is the same as the first embodiment.

[0084] The difference between the manufacturing method of the lead-acid battery of the present embodiment and the first embodiment is that the side length of the square pattern in step (3) is 4mm, and the distance between adjacent squares is 1.2mm; The composition and proportion of the solution are as follows: 1L of lead methanesulfonate electrolytic solution with a mass fraction of 50%, 50mL of glutaraldehyde, 100mL of benzaldehyde, 100mL of cocoa diethanolamine, 5mL of oxyethylated fatty acid; the electroplating time is 50 minutes; the steps The time of drying and solidifying in (8) is 12h, and all the other are identical with embodiment one.

[0085] After measurement, the specific surface area of ​​the 3D le...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
areaaaaaaaaaaa
thicknessaaaaaaaaaa
Login to view more

Abstract

The invention discloses a 3D lead-acid battery which comprises polar plates, wherein each polar plate comprises a grid coated with active materials, the grid adopts lead foil, and a plurality of through holes are formed in the lead foil. The 3D lead-acid battery is characterized in that the lead foil is corrugated cold-rolled lead foil, the cross section area of each through hole ranges from 1 mm<2> to 16 mm<2>, and the interval between adjacent through holes ranges from 0.4 mm to 1.2 mm. The grids of the 3D lead-acid battery have large specific surface areas, the surface area / volume of each grid can reach 2.5 m<2> / 120 cm<3>, and each grid is increased by 108.33% compared with the grid in the prior art; the 3D lead-acid battery has the characteristics of small internal resistance, high formation efficiency, high charging efficiency, low cost and high utilization rate of the active materials.

Description

technical field [0001] The invention belongs to the field of chemical batteries, and in particular relates to a 3D lead-acid battery and a manufacturing method thereof. Background technique [0002] Lead-acid battery is a kind of storage battery. It has a development history of 150 years so far, and so far, lead-acid battery has become the battery product with the largest output in the world. 70% of. The main principle of lead-acid batteries is to convert chemical energy into electrical energy, which is mainly used for electric bicycles, golf carts, electric scooters, and car starting. [0003] A lead-acid battery mainly includes an electrolytic cell, an electrolyte, an anode plate and a cathode plate, wherein the electrolyte is H 2 SO 4 The solution, the anode plate and the cathode plate of the lead-acid battery are the core components of the whole battery, which determine the main performance of the lead-acid battery. The plate is composed of a grid and the active mate...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/12H01M4/73H01M4/84
CPCH01M4/73H01M4/84H01M10/12Y02E60/10Y02P70/50
Inventor 李毛丁
Owner 重庆雷驰新能源科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap