Energy-efficient Green Energy Storage System

Overview

A reliable, safe, and eco-friendly power conversion system and battery pack for Energy Storage applications with three new technologies 1) Rack-mounted natural (RMN) cool design power conversion system based on heat pipe and multilevel modular power stage topology 2) Two-dimensional power (2DP) control to increase light-load efficiency and 3) Deep integration of 3S (PCS, BMS & EMS) to unify the data platform and multiple operating modes

  • Energy-efficient Green Energy Storage System 0
Technical name of innovation
Energy-efficient Green Energy Storage System-increase reliability, safety and battery utilization
Research completion
31/07/2025
Commercialisation opportunities
IP licensing, Technology co-development
Problem addressed

Problems of nowadays energy storage systems and the battery including 1) system fail due to malfunction of cooling fan or air filter, 2) light load inefficient power conversion

Innovation
  • Deep integration of 3S (PCS, BMS & EMS) to unify the data platform and multiple operating modes with system efficiency over 90%.
  • Rack-mounted natural (RMN) cool design power conversion system based on heat pipe and multilevel modular power stage topology
  • Two-dimensional power (2DP) control to increase light-load efficiency which is the most common loading condition
Key impact
  • Total project amount HK$14.4M with contribution of HK$7.8M
  • 6 sets of 125kW Energy Storage systems are installed in the Industrial park (750kW/1,392kWh). Annual electricity consumption of the Industrial park is about 8.4M kWh in which the peak-to-valley differences is RMB$1.16/kWh in Zhongshan
  • Obtain economic benefits through the electricity price difference and reduce the electricity cost of enterprises. The Industrial park is expected to save RMB$1.06M annually by installing the Energy Storage system
Application
  • DC grid system
  • Energy storage system
  • e-mobility
  • UPS
Hong Kong Applied Science and Technology Research Institute (ASTRI)

Hong Kong Applied Science and Technology Research Institute (ASTRI) is founded in 2000 by the Government of the Hong Kong Special Administrative Region. As Hong Kong’s largest government-funded research and development centre, ASTRI is a key force and super connector driving innovation and technology advancement in Hong Kong, the Greater Bay Area, and the global innovation ecosystem. This role is strengthened through its merger with Nano and Advanced Materials Institute (NAMI).

Committed to bringing high impact research from lab to market, ASTRI advances interdisciplinary, market driven R&D that delivers practical innovations for industry and meaningful benefits for society.

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