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Dergiler / Balkan Journal of Electrical and Computer Engineering / 2026 / Cilt: 13 Sayı: 2

Intelligent Modular Energy Hub: Advanced Optimization of Second-Life Lithium-Based Batteries for Sustainable Power Utilization

Abdulkadir Gozuoglu(TOKAT GAZIOSMANPASA UNIVERSITY, ELECTRICAL AND ELECTRONIC ENGINEERING PR.)0000-0002-6968-379X
Sayfa
219–229
Yayın Tarihi
2025-06-30
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

This research contributes to affordable energy solutions, supports the circular economy, and enhances sustainable power utilization by integrating modular and intelligent energy management strategies into next-generation smart grids.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:The Intelligent Modular Energy Hub (IMEH) introduces a cost-effective and scalable energy storage solution by repurposing second-life lithium-based batteries, including Li-ion, LiPo, and LiFePO₄ cells, sourced from discarded consumer electronics, power tools, and electric vehicles.
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Temel Bulgular & Veri:This study develops an STM32- and ESP32-based battery testing system, integrating an electronic dummy load and a custom battery management system (BMS) to accurately assess the state-of-charge and state-of-health (SoH) of various battery chemistries.
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Sonuç & Katkı:This research contributes to affordable energy solutions, supports the circular economy, and enhances sustainable power utilization by integrating modular and intelligent energy management strategies into next-generation smart grids.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Intelligent energy hub · modular energy storage · second-life lithium-based batteries

Abstract

The Intelligent Modular Energy Hub (IMEH) introduces a cost-effective and scalable energy storage solution by repurposing second-life lithium-based batteries, including Li-ion, LiPo, and LiFePO₄ cells, sourced from discarded consumer electronics, power tools, and electric vehicles. This study develops an STM32- and ESP32-based battery testing system, integrating an electronic dummy load and a custom battery management system (BMS) to accurately assess the state-of-charge and state-of-health (SoH) of various battery chemistries. A 7S and variable parallel battery pack configuration ensures adaptability to diverse residential and off-grid applications. The proposed system features real-time IoT monitoring, extending battery lifespan while optimizing charging cycles through grid, solar, or wind energy sources. Experimental results demonstrate that the Samsung 25R battery exhibited the highest SoH (92%) and energy efficiency (95%), making it the most viable for second-life applications. The Turnigy Graphene LiPo battery, while displaying the highest efficiency (97%), showed a slightly lower capacity retention (89%), indicating potential limitations for long-term storage. Voltage drop analysis confirmed that lower internal resistance leads to better performance, with the Turnigy Graphene battery maintaining the lowest voltage drop (160mV) under discharge conditions. Additionally, the IMEH system achieved an average energy efficiency of 94.75%, outperforming commercial BMS solutions, which averaged 92% efficiency. IoT-based predictive maintenance enhanced battery longevity, ensuring better cycle count retention and charge-discharge stability. This research contributes to affordable energy solutions, supports the circular economy, and enhances sustainable power utilization by integrating modular and intelligent energy management strategies into next-generation smart grids.

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Bu Makaleye Atıf Yap

Gozuoglu, A. (2025). Intelligent Modular Energy Hub: Advanced Optimization of Second-Life Lithium-Based Batteries for Sustainable Power Utilization. Balkan Journal of Electrical and Computer Engineering, Cilt: 13 Sayı: 2, 219–229. https://doi.org/10.17694/bajece.1641971

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