Lead-acid battery regeneration method, lead-acid battery regeneration device, and lead-acid battery

By irradiating lead-acid batteries with frequency-specific electromagnetic waves, the method regenerates batteries in operation, addressing interference issues with existing circuits and enhancing battery life through effective dissociation of lead sulfate crystals.

JP2025170735AActive Publication Date: 2025-11-19NHK TECH INC +1
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Patent Information

Application Number
JP2024156927
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-07
Filing Date
2024-09-10
Publication Date
2025-11-19
Estimated Expiration
2044-09-10

AI Technical Summary

Technical Problem

Existing methods for regenerating lead-acid batteries by applying high-frequency voltage between electrodes interfere with electrical circuits, requiring disconnection and limiting frequency application, making in-situ regeneration impossible.

Method used

Irradiate electromagnetic waves at specific frequencies to dissociate lead sulfate molecules into lead cations and sulfate anions outside the battery, using a lead-acid battery recycling device with an irradiation unit and power supply circuit, allowing regeneration while the battery is in operation.

Benefits of technology

The method promotes lead sulfate dissociation without affecting existing circuits, enabling efficient regeneration and extending battery lifespan by preventing crystal attachment.

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Abstract

To provide a technology for regenerating a lead-acid battery while being still in operation.SOLUTION: Electromagnetic waves having a frequency set to provide energy that dissociates lead sulfate molecules into lead cations and sulfate anions are emitted from outside the lead-acid battery so as to reach the electrodes of the lead-acid battery.SELECTED DRAWING: Figure 1
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