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AGM acid absorption saturability testing method

A test method and saturation technology, applied in the field of AGM acid absorption saturation test, can solve the problems of inconvenient operation and low test accuracy, and achieve the effect of flexible and convenient use, convenient drilling operation, and convenient test operation.

Active Publication Date: 2018-12-28
CHAOWEI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention overcomes the disadvantages of inconvenient operation and low test accuracy of the AGM acid absorption saturation test, and provides a test method for the AGM acid absorption saturation test, which is easy to operate and has high test accuracy

Method used

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  • AGM acid absorption saturability testing method
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  • AGM acid absorption saturability testing method

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Embodiment

[0020] Embodiment: a kind of AGM acid absorption saturation test method (see attached figure 1 to attach Figure 4 ), including the following steps: a. Fully charge the battery and place it in an environment with a temperature of 25±3°C for more than 24 hours. During the process, test and record the open circuit voltage and internal resistance of the battery; b. Cut off the upper cover of the battery, Test and record the open circuit voltage and internal resistance of each single power supply; c. Drill a hole at the corresponding position of each single power supply at the bottom of the battery to form a collection hole at the bottom; d. Place the battery on the bracket 27 and weigh the acid collection The weight of the bottle is S2, and the acid collection bottle is placed under the bottom collection hole; e. Weigh the weight of the acid-containing dropping bottle and record M2; f. Add 5-10ml of acid to the AGM corresponding to each single power supply, and wait for 1-2 Minu...

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Abstract

The invention discloses an AGM acid absorption saturability testing method and aims to overcome the defects of testing operation inconvenience and low testing accuracy for AGM acid absorption saturability. The AGM acid absorption saturability testing method disclosed by the invention comprises the steps as follows: a, completely full charging a storage battery, and placing the storage battery in an environment with a temperature of 25 plus and minus 3 DEG C for 24 hours; b, cutting an upper cover of the storage battery open; c, carrying out drilling on a position corresponding to each single lattice power supply at the bottom of the storage battery so as to form bottom collection holes; d, placing the storage battery on a bracket, weighing a weight S2 of an acid collection bottle, and correspondingly placing the acid collection bottle below the bottom collection holes; e, weighing a weight of an acid-containing dropping bottle and recording the weight as M2; f, titrating acid on AGM corresponding to each single lattice power supply, and until observing that acid flows out of the bottom collection holes, weighing a weight M3 of the acid-containing dropping bottle; g, after completing acid collection, weighing a weight S3 of the acid collection bottle; and h, disassembling the storage battery, taking out the AGM corresponding to the single lattice power supplies, weighing a weight D1, and acquiring a weight D2 of the dry AGM.

Description

technical field [0001] The present invention relates to storage battery technology, more specifically, it relates to a kind of AGM acid absorption saturation test method. Background technique [0002] AGM is a kind of ultra-fine glass fiber separator, which is an important part in the production of batteries. Its quality directly affects the discharge capacity and cycle life of charge and discharge of batteries. AGM is an important component of the battery, not an active substance, and even plays a decisive role in some cases. The material itself is an electronic insulator, and its porosity makes it ionically conductive. The main function of AGM is to prevent positive and negative short circuit, but it cannot significantly increase the internal resistance of the battery. Therefore, the separator should be porous, allowing free diffusion of electrolyte and ion migration, and having relatively low electrical resistance. When the active material falls off, it must not reach ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/02
CPCG01N5/02
Inventor 吴鑫朱军平
Owner CHAOWEI POWER CO LTD
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