Realization of "cost reduction" and "extended lifespan" through the utilization of battery regeneration technology.
Battery Reuse System
We will achieve "long lifespan," "cost optimization," and "reduction of environmental impact" for emergency batteries and industrial vehicle batteries.
Conventional battery management has been unable to accurately grasp the progression of degradation, leading to uniform replacements based on expected lifespan. Updating tasks such as new purchases or disposal involve both costs and effort, and failing to perform appropriate updates can lead to troubles. Rent's "BRS (Battery Reuse System)" allows for accurate measurement and understanding of the battery's degradation state in numerical terms. By performing regeneration or replacement work according to the degradation status, it enables the extension of battery lifespan and optimization of costs. Especially for emergency batteries, it is preferable to conduct regular degradation assessments and continue using them under proper management rather than replacing batteries that have hardly been used simply because their expected lifespan has been reached, which also contributes to reducing environmental impact.
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basic information
■ Patent Technology "BRS (Battery Reuse System)" ■ This technology involves understanding the chemical reactions occurring during the degradation process of lead batteries and fundamentally reversing them to restore battery capacity. Through evaluation tests compliant with Japanese Industrial Standards (JIS), battery capacity can be accurately quantified. At Rent, we propose the BRS technology as "total support for emergency batteries, including uninterruptible power supplies" and "application to forklift and AVG batteries" to our customers. 【Acquired Patents】 Patent Number: 3706376 Evaluation testing device for degraded storage batteries Patent Number: 3723795 Regeneration treatment method for lead storage batteries Patent Number: 4673657 Evaluation testing method for degraded storage batteries Patent Number: 4673658 Evaluation testing device for degraded storage batteries Patent Number: 4749095 Regeneration treatment method for storage batteries
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Applications/Examples of results
<Recyclable Batteries> Stationary Lead-Acid Batteries (MSE, HS, CS, Small Control Valve Type, etc.) <Main Achievements in Manufacturing> Toyama - Metal Processing Industry - Emergency Power Supply for Control - Battery Type AM Mie - Major Home Appliance Manufacturer - Emergency Power Supply for Communication Equipment - Battery Type MSE Iwate - Automobile Manufacturing Plant - Emergency Lighting - Battery Type STL Shizuoka - Plastic Manufacturing Plant - For CVCF - Battery Type MSE Yokohama - Sugar Refinery - For Circuit Breakers - Battery Type MSE Kyoto - Pharmaceutical Manufacturing - For Emergency Generator Start - Battery Type MSE Ishikawa - LCD Manufacturing Plant - For CVCF, High Voltage Receiving Equipment - Battery Type MSE Fukushima - Semiconductor Manufacturing Plant - Emergency Power Supply - Battery Type MSE
Detailed information
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By utilizing BRS technology, it is possible to use products for a longer time than their expected lifespan. For example, a battery that was replaced every 8 years can be used for 14 years if regenerated. Additionally, degraded parts can be regenerated or replaced at the cell level, making it more cost-effective than updating the entire battery.
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■Contribution to Carbon Neutrality■ By utilizing battery regeneration, we achieve operations that do not rely on new replacements. This leads to a reduction in environmental impact through waste reduction. By regenerating batteries, we can cut the total CO2 emissions associated with the battery manufacturing process and material production during replacement by 50%. This contributes to the formation of a circular society, the promotion of zero emissions, the acquisition of ISO 140001, and the evaluation of CSR, thereby enhancing corporate value. 【Calculation Basis】 Regeneration involves flowing a current of about 5% of the capacity for 24 hours. 500Ah × 5% × 2V × 24h = 1.2kWh Using the CO2 emission factor of 421.83g-CO2/kWh, the CO2 emissions amount to 1.2kWh × 54 cells × 421.83g-CO2/kWh = 27.3kg. * It is assumed that both battery replacement and regeneration are performed in the 8th year. * The lifespan of the storage battery after replacement and regeneration is considered to be the same.
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■50% OFF on Introduction Costs■ By utilizing recycled batteries, we can optimize the introduction costs, including aspects such as lifecycle costs. For example, if the disposal and replacement costs for industrial MSE types amount to approximately 6.3 million yen, with BRS, the recycling cost is only 3.3 million yen. This results in a cost reduction of about 3 million yen, or 50%.
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■Flow of Regeneration■ 1) First, a thorough inspection of the battery will be conducted. 2) Based on the results, we will provide detailed advice on whether to continue using it as is, regenerate it, or replace it, tailored to each individual unit and cell. 3) If you request regeneration measures, we will report with a detailed recovery status report.
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■Up to 7 Years of Operation Guarantee for Peace of Mind■ With a rental-type regenerated battery that has an expected lifespan of 7 to 9 years, you can enjoy a maximum operation guarantee of 7 years. *3-year product warranty, followed by a paid operation guarantee for an additional 4 years. During the 3-year battery warranty and the 4-year maintenance period, cells that fall below the specified standards will be replaced free of charge.
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■Easy on-site! Portable Battery Regeneration Device BT Refre■ Utilizing BRS technology, this device automatically measures the pre-regeneration charging capacity, performs battery regeneration, and measures the values after recovery. Lead batteries, such as those used in forklifts, can be regenerated on-site. It operates fully automatically with simple controls. The total time required for the entire process is short, taking only 35 to 45 hours. We offer it for rent, allowing anyone at your site to easily assess the battery's condition and perform regeneration work.
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■Mechanism of Regeneration■ When the battery discharges and the circuit is connected, lead and sulfuric acid change into ionic bond states. As time passes, electrical neutralization progresses, leading to the crystallization of lead sulfate, which adheres to the plates. Since lead sulfate does not conduct electricity, the electrolyte inside the battery decreases, resulting in a phenomenon known as battery capacity reduction. With BRS technology, by applying a certain base current and pulse current, the crystals can be returned to an ionic bond state, thereby restoring the storage capacity.
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Company information
Since our establishment, we have been contributing to the rationalization and management efficiency of our customers through the rental business of construction machinery and industrial vehicles. Currently, we are not limited to construction machinery; we also respond to a wide range of needs in general industrial machinery, logistics machinery, environmental maintenance machinery, maintenance machinery, and more, while actively making proposals to ensure customer satisfaction. Through "rental," we aim to alleviate your burdens as much as possible, and we will continue to pursue and provide what our customers truly need and what systems are genuinely necessary.