Development of next generation hybrid batteries for zero-emission battery-electric locomotives

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TypeTechnical Report
Physical description69 p.
Subjectabsorbed glass mat lead-acid battery; asymmetric supercapacitor (ASC); battery-electric locomotives; capacity; cycle life; high-rate partial-state-of-charge; hybrid battery; negative split electrode; positive electrode; valve regulated lead-acid battery
AbstractBy 2020, transportation is expected to be the second largest source of greenhouse gas emissions; a trend that has been on the rise since 2005. To reduce or eliminate emissions, replacing diesel locomotives with zero-emission battery- electric switcher locomotives for railroad applications must be considered a necessary option. The potential use of a proposed hybrid battery, combining an asymmetric supercapacitor and lead-acid battery in battery-electric switcher locomotives, will allow the energy wasted during braking to be recovered and reused for locomotive acceleration. The development of advanced electrodes of asymmetric supercapacitor and negative electrode lead-acid batteries and their optimal integration in a hybrid battery cell allows us to obtain its advanced performance. The developed and fabricated hybrid battery (2V) cell prototype with a graded negative electrode demonstrates more than twice the capacity and a longer cycle life compared to conventional lead-acid batteries at high charge/discharge rates.
Publication date
PublisherNational Research Council Canada. Energy, Mining and Environment
AffiliationNational Research Council Canada; Energy, Mining and Environment
NotePrepared for: Transportation Development Centre of Transport Canada
Peer reviewedNo
NRC numberNRC-EME-55820
NPARC number23001864
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Record identifierfbddd4ff-62d9-46a4-a4ef-f7977b6324aa
Record created2017-04-28
Record modified2017-05-10
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