Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Framework of iron negative electrode venting separator in alkaline iron-nickel battery

A technology of iron-nickel storage battery and exhaust separator, which is applied in the direction of alkaline storage battery, alkaline storage battery manufacturing, nickel storage battery, etc. It can solve the problems affecting the cycle life of the battery, achieve fast charging and discharging, excellent electrical performance, long cycle life, The effect of making the process is simple

Pending Publication Date: 2019-04-23
镇江臻晟能源科技有限公司
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the iron-nickel battery with large capacity and low maintenance under the condition of rich liquid still has the problem that when the iron-nickel battery is charged, because hydrogen and oxygen do not reach a relative balance, and the hydrogen generated by the iron negative electrode charging further affects the battery 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
  • Framework of iron negative electrode venting separator in alkaline iron-nickel battery
  • Framework of iron negative electrode venting separator in alkaline iron-nickel battery

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0021] A structure of an iron negative exhaust separator in an alkaline iron-nickel storage battery, characterized in that it comprises the following steps:

[0022] (1) Prepare the sulfonated polypropylene diaphragm that needs to be assembled;

[0023] (2) Prepare the vented partitions that need to be assembled;

[0024] (3) Prepare the required iron negative plate.

[0025] The thickness of the sulfonated polypropylene diaphragm is 0.1-0.5 mm.

[0026] The material of the vented partition is polyethylene, polyvinyl chloride, polypropylene, polytetrafluoroethylene, ABS, nylon plastic, and the thickness of the vented partition is 0.1-0.3 mm. T...

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
thicknessaaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention discloses a framework of an iron negative electrode venting separator in an alkaline iron-nickel battery. A mode of combination of sulfonated polypropylene diaphragm and a venting separator is employed to establish a hydrogen in-line channel so as to eliminate a positive and negative isolator with a single structure such as a diaphragm or a venting separator between the positive andnegative electrodes of a traditional iron-nickel battery and reject the mode of breaking bubbles at the surface of the diaphragm and a circular hole or a diamond-shaped separator. The combination framework mode of the sulfonated polypropylene diaphragm and the venting separator is employed to protect the iron negative electrode, and the novel iron-nickel battery is long in cycle life and free of maintenance or little in maintenance, excellent in fast charge and discharge electrical performance and simple in manufacturing process.

Description

technical field [0001] The invention belongs to the technical field of new energy, and in particular relates to a structure of an iron negative exhaust separator in an alkaline iron-nickel storage battery. Background technique [0002] The main core problems of nickel-iron batteries are concentrated at the negative end of the iron. Among them, the gas evolution problem, self-discharge problem and low charging efficiency are mainly due to the low hydrogen evolution overpotential of iron, which is easy to react with water in the electrolyte. Therefore, for more than 100 years, iron-nickel batteries have been producing open-ended pouch-type iron-nickel batteries. [0003] The potential of the iron negative electrode in the alkaline solution is negative 0.827V, and under alkaline conditions, the decomposition potential of water, that is, the potential of hydrogen generated by electrolysis of water, is negative 0.803V. The potential is more negative than the water decomposition ...

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): H01M10/28H01M10/30H01M2/16H01M50/449
CPCH01M10/28H01M10/30H01M50/449Y02E60/10Y02P70/50
Inventor 范同祥
Owner 镇江臻晟能源科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com