Skeleton Technologies – Transportation Applications

Skeleton Technologies – Transportation Applications
Address: Schücostraße 8
01900 Großröhrsdorf
Phone: +49 (3595) 241-6040 Connect: Website: View website Contact: Contact supplier View: View supplier Download: Download

Skeleton Technologies

Transportation Applications

Global Leader In Ultracapacitor-Based Energy Storage

Target Industries: Automotive – Grid – Industrial Transportation

Rail & Tram Industry: Applications Overview

  • Catenary-Free Operation – Option: Fast Charging
  • Hybrid/KERS* – DMU
  • Engine Cranking – DEMU
  • Wayside – Energy Storage – Option: Fast Charging

Transportation| Rail & Tram | KERS for DMU Trains

Challenge: Improving Diesel Train Efficiency


  • Still no energy storage systems in many DEMU trains nowadays
  • Drastic regulation changes target resulting noise and CO2 emissions

Key Challenges

  • Catenary line is not available in all regions
  • Service cost reduction (CAPEX and OPEX) 
  • Emission reduction
  • Constant energy supply from diesel engine
  • Sized diesel engine to cater for power peaks

Known Consequences 

  • Penalties related to high CO2 emissions
  • High running and maintenance costs
  • Heavy wear on brakes and transmission components
  • Negative influence on railway company’s image

Solution: Onboard KERS –Improved Fuel Efficiency & Reduced CO2 Emissions

What We Offer

  • KERS* onboard energy storage system, enabling energy regeneration when braking
  • Energy savings for the DEMU trains of tomorrow
  • Electric range availability in restricted areas
  • Increased dynamics

Advantages of Our Product 

  • 100% reliable energy storage with zero maintenance
  • Over 1 million cycles & longer calendar life: 15 to 20 years
  • -40°C to +65°C operating temperature range
  • Ultracapacitors do not leak or contain acid or lead

Benefits: Improved Fuel Efficiency & Reduced CO2 Emissions

  • Freedom for line planning
  • Increased utilisation of the train even in congested & polluted areas
  • Faster acceleration &less noise
  • Service cost reduction (CAPEX and OPEX)
  • Improved fuel efficiency and reduced CO2 emissions
  • Reduced peak load demand from diesel engine when accelerating

Transportation| Rail & Tram | DEMU Cranking Trains 

Challenge: Improving Diesel-Electric Train Efficiency


  • Diesel engine fails to start in cold climate conditions 
  • Many batteries must be used to reach the power level to start the engine
  • Lead-acid batteries suffer from sulfation and are not reliable 
  • Frequent checks and replacements to ensure the batteries won’t fail

Key Challenges

  • Reliable diesel engine start under all weather conditions
  • 100% reliability of the starter function
  • Frequent fails due to the use of lead-acid batteries

Download the full PDF here.

Other Skeleton Technologies Documents

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