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Method for detecting distribution uniformity of colloid in colloid battery

A technology of uniform distribution and colloidal batteries, which is applied in the detection field of colloidal distribution uniformity in colloidal batteries, can solve the problems of many influencing factors, cannot be used as a means of quality monitoring in the production process, and long cycle to achieve high sensitivity and fast detection speed , good reproducibility

Active Publication Date: 2012-02-15
CHAOWEI POWER CO LTD
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  • Claims
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AI Technical Summary

Problems solved by technology

The former has many human-influenced factors, while the latter has a long cycle and cannot be used as a means of quality monitoring in the production process.

Method used

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  • Method for detecting distribution uniformity of colloid in colloid battery
  • Method for detecting distribution uniformity of colloid in colloid battery
  • Method for detecting distribution uniformity of colloid in colloid battery

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Embodiment Construction

[0021] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0022] figure 1 Shown is the detection method of colloidal distribution uniformity in the colloidal battery of the present invention, comprises the following steps:

[0023] A. Prepare standard electrolyte. Prepare a solution with the same liquid composition as the system to be tested, divide it into 20 parts, add fumed silica to it, and prepare the solution with a mass percentage concentration of 0.05%, 0.10%, ..., 1% and a concentration gradient of 0.05%. Standard gel electrolyte.

[0024] B. Measure the standard electrolyte turbidity. Use a turbidimeter to measure the turbidity values ​​of 20 standard electrolytes.

[0025] C. Draw a standard curve. According to the relationship between the turbidity value of the standard electrolyte and its fumed silica concentration, the standard curve of the turbidity changing with the concentrati...

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Abstract

The invention discloses a method for detecting the distribution uniformity of colloid in a colloid battery, comprising the following steps of: measuring turbidity values of standard liquids of different concentrations by nephelometry, drawing a standard curve corresponding to the relationship between concentration and turbidity; dividing a sample to be measured into samples at different positionsand detecting their electrolytes' gas phase silica concentration, uniformly dispersing the electrolytes fixed in separator plates into added distilled water by the use of an ultrasonic machine, filtering out a filtrate, measuring the turbidity value of the filtrate, finding a corresponding concentration of gas phase silica in the diluted electrolytes from the standard curve, measuring the dry weight of each sample separator plate as filter residue, calculating the concentration of gas phase silica in the undiluted colloidal electrolytes in the separator plates, comparing the concentration difference between the samples at different positions, and representing the distribution uniformity of colloid after colloid pouring of the colloid battery.

Description

technical field [0001] The invention relates to a method for detecting the distribution uniformity of colloid in a colloidal battery, in particular to a method for detecting the uniformity of colloidal electrolyte distribution in a power type colloidal battery using ultra-fine glass fiber separators. Background technique [0002] The benefits of using colloidal electrolytes in lead-acid batteries are longer life and stronger cycle capability at low states of charge. However, traditional colloidal batteries use corrugated separators. The obvious disadvantage of this kind of separators is that they have higher resistance. Gel-like batteries are not suitable as power batteries. For power gel batteries, AGM separators or glass fiber composite separators with lower resistance should be used as the carrier of the colloidal electrolyte. Such separators have no corrugated channels that are conducive to electrolyte flow, and will hinder the silica aggregates in the colloidal electrol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/04
Inventor 沈浩宇郑欧刘孝伟蔡晓祥陈体衔
Owner CHAOWEI POWER CO LTD
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