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Lead-acid storage battery for start-stop system of micromixing automobile

A lead-acid battery, start-stop system technology, applied in lead-acid batteries, lead-acid battery construction, battery electrodes, etc., can solve the problem of deep cycle service life that cannot meet customer requirements, and achieve the effect of improving cycle service life

Active Publication Date: 2015-03-11
SHUANGDENG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The car factory uses the previous batteries. Due to the limitations of the existing batteries in terms of grid alloys, active materials, and shell materials, the service life of the deep cycle is far from meeting customer requirements.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] Below by embodiment the present invention will be further described.

[0026] This embodiment is a 12V-60Ah valve-controlled sealed lead-acid battery for a start-stop system of a micro-mixed vehicle. The shell is made of modified PP material containing carbon fiber and calcium carbonate. The grid is made of lead-calcium-rare earth alloy containing 0.05% calcium, 0.05% rare earth (Re), and the rest is lead. In the positive electrode active material, red lead is 20%, antimony trioxide is 0.02%, and the rest is lead. The negative electrode active material contains 2% conductive graphite (the above percentages are all percentages by weight). The grid structure is a radial rib grid structure, and the ribs are radial from the root of the tab. Other unrelated technical content adopts existing technology.

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Abstract

The invention discloses a lead-acid storage battery for a start-stop system of a micromixing automobile, and relates to the technical field of lead-acid storage batteries. The lead-acid storage battery is improved as follows: a battery shell is made of modified PP (polypropylene) material; grid alloy is lead-calcium-rare earth alloy, and comprises 0.03-0.08% of calcium, 0.01-0.1% of rare earth and the balance of lead in percentage by weight; a grid is of a radial steel grid structure; antimonous oxide is added into a positive active material; a negative active material contains conductive graphite. The battery shell is not deformed for a long time, conductivity of electrode plates is good, failures caused by water loss and change of the internal resistance can be effectively controlled, and the deep circulating service life can be significantly improved; therefore, the lead-acid storage battery is especially suitable for the start-stop system of the micromixing automobile.

Description

technical field [0001] The invention relates to a novel "valve-controlled sealed lead-acid battery dedicated to the start / stop system (Start / Stop system) of a micro-mixed vehicle", which belongs to the field of lead-acid batteries. Background technique [0002] On June 28, 2012, the State Council's "Energy Saving and New Energy Automobile Industry Development Plan (2012-2020)" required that by 2015, the average fuel consumption of passenger The fuel consumption of the vehicle is reduced to below 5.9 liters / 100 kilometers. [0003] Micro-hybrid energy-saving vehicles with start-stop systems have become very popular in the popularization of passenger vehicles because of low input costs, quick energy-saving results, and mature technologies. [0004] The battery used for the start-stop system, in addition to continuing to undertake the high-current discharge function under high and low temperature harsh environments, also undertakes the power supply function of the air conditio...

Claims

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Application Information

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IPC IPC(8): H01M10/12H01M4/66C22C11/06
CPCH01M4/625H01M4/661H01M4/73H01M50/116Y02E60/10Y02P70/50
Inventor 丰少利
Owner SHUANGDENG GRP
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