Hydrogen Fuel Cell Bus Technology State of the ... - NEXTHYLIGHTS

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Hydrogen Fuel Cell Bus Technology State of the Art Review A detailed assessment of the state-of-the-art, The execution of feasibility studies and The delivery of a coherent set of recommendations in a single plan for a practical rollout of large scale demonstration projects and subsequent precommercialisation support. The provision of up-to-date information from industries within the hydrogen transport sector is crucial to NextHyLights‟ success. Consultation Questions The following questions are intended as a script for bilateral interviews with a set of key stakeholders. We would be happy to receive a formal written response, but the main purpose of the document is simply to act as a guide for a bilateral discussion with the NextHyLights Bus Work Package leader (Element Energy). The Element Energy team will prepare notes and return these for comment. The questions are in two sections: A) Technology Development and Cost Structure B) Strategy for Effective Cost Reduction The information provided will be anonymized and (where possible) aggregated, with the purpose of identifying those industry trends relevant to shape a realistic strategy to match end-user needs with manufacturer capabilities. Accurate and comprehensive answers would allow an effective output for all stakeholders, from the political sector to the potential customers, resulting in a shared benefit. In particular, the more detailed the input from industry, the better the evidence base will be to justify supportive policies for hydrogen buses in future. We recognise the potential commercial difficulty associated with some of the questions and welcome feedback to improve their content. 116
Hydrogen Fuel Cell Bus Technology State of the Art Review A) Technology Development and Cost Structure Table 1, below, summarise our understanding of the most recent performance of hybrid fuel cell buses currently available (2010-2011 orders). Table 19 Performance of currently available hybrid fuel cell buses (12m, Low Floor) Items Typical Values Comments Fuel Economy 8 – 15 kg/100km Including ACHV and Electrical Load Range 250 – 450 km Including ACHV and Electrical Load Availability 55% - 90% > 90% achieved in HyFLEET:CUTE Q1a Would you agree with the value showed in Table 1? Please provide estimates of how performance might evolve in the next 5 and 10 years. In general hybrid fuel cell buses have not consistently met industry expectations for availability. Q1b Would you agree with this statement? What are the main causes of these availability problems (battery, power electronics, stack?) and what is the likelihood of them being improved in future generations of FC buses? When are they likely to be resolved? So far fuel cell bus demonstrations have been based on 12 and 6 meters bus platforms and on a limited number of vehicles (the largest international demonstration to date, HYFLEET:CUTE, employed just 33 fuel cell buses). Ideally forthcoming demonstrations would be based on a larger variety of platforms and on a larger number of vehicles. 117
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Hydrogen Fuel Cell Bus Technology State of the ... - NEXTHYLIGHTS

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