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This study presents an innovative dual energy storage system (DESS) tailored for electric bicycles (e-bicycles), merging the capabilities of supercapacitors (SCs) and lithium-ion batteries (LIBs) to boost energy density, power output, and overall efficiency. By addressing the inherent constraints of each technology, the DESS harnesses the high energy density of LIBs for extended travel distances and leverages the high-power density of SCs for rapid acceleration, regenerative braking, and peak power demands. A sophisticated control algorithm orchestrates the power distribution between these two storage mediums, ensuring optimal energy utilization while prolonging the system’s operational lifespan. Notably, the power management algorithm is designed to maintain a consistent battery current during acceleration phases. The system design and mathematical analyses presented in this paper are grounded in theoretical frameworks specific to electric bicycles. Consequently, the battery primarily delivers average current, whereas the supercapacitor serves to supply instantaneous current during acceleration.

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Design and Development of an Energy and Power Management Strategy for Dual Energy Storage System for E-Bicycle

  • 会议论文

  • 发表日期：

    2025年

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  • Sudeep Karajanagi,
  • Pratik Bora,
  • Ronit Birla,
  • Om Salgar,
  • Vaishali Katkar,
  • M. A. Aswathy

摘要

This study presents an innovative dual energy storage system (DESS) tailored for electric bicycles (e-bicycles), merging the capabilities of supercapacitors (SCs) and lithium-ion batteries (LIBs) to boost energy density, power output, and overall efficiency. By addressing the inherent constraints of each technology, the DESS harnesses the high energy density of LIBs for extended travel distances and leverages the high-power density of SCs for rapid acceleration, regenerative braking, and peak power demands. A sophisticated control algorithm orchestrates the power distribution between these two storage mediums, ensuring optimal energy utilization while prolonging the system’s operational lifespan. Notably, the power management algorithm is designed to maintain a consistent battery current during acceleration phases. The system design and mathematical analyses presented in this paper are grounded in theoretical frameworks specific to electric bicycles. Consequently, the battery primarily delivers average current, whereas the supercapacitor serves to supply instantaneous current during acceleration.