Evaluation of different energy storage systems for electric bus operation

Hays H.T. Hui, William H.K. Lam, Mei Lam Tam

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

Operational trials of battery electric buses (BEBs) have begun on different scales around the world, and lithium-ion (Li-ion) batteries are usually selected as their power source. In this study, different Li-ion-based energy storage systems were evaluated for electric bus operation. Technical visits were conducted to study the features and performance of BEBs in different cities. Lithium iron phosphate (LFP), lithium nickel manganese cobalt oxide (NMC), and lithium titanate (LTO) were found to be the most common types of Li-ion batteries adopted for BEBs. The characteristics of these three types of Li-ion batteries are reviewed together with their charging and operation modes. LFP was found to have the highest energy consumption, and LTO had the lowest. The evaluation results show that LTO with the opportunity charging mode is the best choice of energy storage systems for BEBs, particularly in densely populated Asian cities.

Original languageEnglish
Title of host publicationTransport and Society - Proceeding of the 22nd International Conference of Hong Kong Society for Transportation Studies, HKSTS 2017
EditorsAnthony Chen, Tony N.N. Sze
PublisherHong Kong Society for Transportation Studies Limited
Pages109-116
Number of pages8
ISBN (Electronic)9789881581464
Publication statusPublished - 1 Jan 2017
Event22nd International Conference of Hong Kong Society for Transportation Studies: Transport and Society, HKSTS 2017 - Hong Kong, Hong Kong
Duration: 9 Dec 201711 Dec 2017

Publication series

NameTransport and Society - Proceeding of the 22nd International Conference of Hong Kong Society for Transportation Studies, HKSTS 2017

Conference

Conference22nd International Conference of Hong Kong Society for Transportation Studies: Transport and Society, HKSTS 2017
Country/TerritoryHong Kong
CityHong Kong
Period9/12/1711/12/17

Keywords

  • Electric bus
  • Energy storage system
  • Lithium-ion battery

ASJC Scopus subject areas

  • Transportation

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