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General information
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General criteria
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Status of development: concept |
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Time horizon for broad application: (no data) |
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Expected technological development: highly dynamic |
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Benefits (other than environmental): not applicable |
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Barriers: high |
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Applicability for railway segments: medium |
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Type of traction: electric - DC, electric - AC, diesel
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Type of transportation: passenger - regional lines, passenger - suburban lines
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Grade of diffusion into railway markets:
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Diffusion into relevant segment of fleet: 0 % |
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Share of newly purchased stock: 0 % |
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Market potential (railways): (no data) |
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Environmental criteria
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Impacts on energy efficiency:
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Energy efficiency potential for single vehicle: > 10% |
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Energy efficiency potential throughout fleet: 1 - 2% |
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Other environmental impacts: ambivalent |
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Economic criteria
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Vehicle - fix costs: not applicable |
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Vehicle - running costs: significant reduction |
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Infrastructure - fix costs: low |
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Infrastructure - running costs: unchanged |
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Scale effects: medium |
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Amortisation: (no data) |
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Application outside railway sector
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Status of development outside railway sector: in use |
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Nickel metal hydride batteries are already used for braking energy storage in hybrid-electric cars. |
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Time horizon for broad application outside railway sector: in 5 - 10 years |
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The first hybrid-electric cars are on the road but even if the concept proves attractive for customers, wide-spread diffusion will take some time. |
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Expected technological development outside railway sector: highly dynamic |
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Cf. technological potential in railways |
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Market potential outside railway sector: high |
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(no details available) |
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Overall rating
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Overall potential: interesting |
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Time horizon: long-term |
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Batteries will only become an option for brake energy storage on rail vehicles if clear performance advances are achieved. Presently flywheels and double-layer capacitors are the more promising options. |
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date created: 2002-10-09
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