1E-grade storage battery catalytic valve structure

By designing a catalytic valve structure in the nuclear power plant's storage battery, the water generated from hydrogen and oxygen is catalyzed, solving the problem of water consumption caused by hydrogen and oxygen evolution, extending battery life, and reducing maintenance frequency and cost.

CN224153426UActive Publication Date: 2026-04-21HAINAN NUCLEAR POWER CO LTD +3
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HAINAN NUCLEAR POWER CO LTD
Filing Date
2025-03-06
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

In nuclear power plants, the release of hydrogen and oxygen causes a decrease in the internal water content of batteries, leading to performance degradation and high maintenance costs.

Method used

Design a catalytic valve structure for a 1E-class battery. The catalytic reaction of hydrogen and oxygen to produce water reduces gas consumption. A filter made of high-molecular-weight polypropylene material is used to achieve bidirectional gas-liquid flow. The filter is limited by a bottom cover. The outer casing is mounted on the existing pressure relief valve without the need to modify the battery casing.

Benefits of technology

It extends the battery's lifespan, reduces the frequency of maintenance, and lowers maintenance costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224153426U_ABST
Patent Text Reader

Abstract

The utility model discloses a catalytic valve structure of a 1E-grade storage battery, and aims to overcome the defect that the maintenance cost is relatively high due to performance degradation caused by reduction of internal water content due to precipitation of hydrogen and oxygen in the conventional storage battery. The gas-liquid separator comprises a shell, a filter disc and a bottom cover, the shell is hollow and forms a containing cavity used for containing a catalyst, the catalyst can catalyze the reaction of hydrogen and oxygen, the surface of the shell is provided with a gas-liquid exchange port communicated with the containing cavity, the filter disc covers the gas-liquid exchange port, gas or liquid can pass through the filter disc in two directions, and the bottom cover covers the gas-liquid exchange port. The bottom cover is fixedly connected to the opening edge of the gas-liquid exchange opening and is used for sealing and limiting the filter disc. According to the structure, the catalyst is adopted to catalyze the reaction of water obtained by combining hydrogen and oxygen, so that gaseous hydrogen and oxygen are converted into liquid water, the liquid water returns to the storage battery again, and the loss of water in the storage battery is reduced.
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Claims

1. A 1E-class battery catalytic valve structure, characterized by, The device includes a shell, a filter, and a bottom cover. The shell is hollow and has a cavity for containing a catalyst that can catalyze the reaction of hydrogen and oxygen. The surface of the shell is provided with a gas-liquid exchange port that communicates with the cavity. The filter cover is installed at the gas-liquid exchange port, and the filter can pass through gas or liquid in both directions. The bottom cover is fixedly connected to the edge of the gas-liquid exchange port and seals and limits the filter.

2. A 1E rated battery catalytic valve structure according to claim 1, wherein, The end of the outer shell away from the gas-liquid exchange port is equipped with a locking structure. The catalytic valve is installed on the pressure relief valve. The bottom of the pressure relief valve is equipped with a positioning structure. The locking structure and the positioning structure are snap-fitted together.

3. A 1E rated battery catalytic valve structure according to claim 2, wherein, The pressure relief valve has an annular plate with symmetrical locking holes. The locking structure includes oppositely arranged locking feet with buckles at the ends. The buckles are adapted to the locking holes, and the locking feet can be inserted into the annular plate and the buckles can be engaged in the locking holes.

4. A 1E rated battery catalytic valve structure according to claim 2, wherein The outer shell is cylindrical, with the gas-liquid exchange port and locking structure located at both ends of the outer shell.

5. A 1E rated battery catalytic valve structure according to claim 1 wherein, The bottom cover is a loop with a U-shaped cross-section.

6. A 1E rated battery catalytic valve structure according to claim 1 wherein, The inner wall of the outer shell is provided with steps, and the steps form a stepped wall. The end face of the filter abuts against the stepped wall.