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Current Status of Establishment of Safety Regulation for Fuel Cell Vehicle

Explore Japan's establishment of safety regulations for fuel cell vehicles, covering hydrogen safety, high voltage safety, and environmental protection. Learn about the history, guidelines, approval process, and criteria ensuring safety compliance.

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Current Status of Establishment of Safety Regulation for Fuel Cell Vehicle

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  1. Current Status of Establishmentof Safety Regulationfor Fuel Cell Vehicle National Traffic Safety and Environment Laboratory (Independent administrative institution, Japan) Jan. 2004

  2. History Apr. 2002 The prime minister and the Minister of Land, Infrastructure and Transportation announced during cabinet discussions the government’s introduction of FCV initiatives and aim of achieving early commercialization of FCVs Oct. 2002 Technical guidelines established for ministerial approval for individual prototype FCVs Dec. 2002 Initiative introduced for leasing of prototype FCVs as government use cars Apr. 2003 Project for establishment of safety type approvals regulation for FCV initiated (Technical guidelines are base for type approval regulation)

  3. Scheme of ministerial approval system Examination (documents and vehicles) Application Approval under limited conditions about on road use Fleet tests on roads Report to MLIT Reflecting to Consideration of regulations

  4. General Concepts for Safety Regulation Criteria for safety system Hydrogen safety: ・Hydrogen leak warning system ・Hydrogen gas discharge amount, etc. High voltage safety: ・Warning system for insulation damage, etc. Filter Tank ＦＣ Regulator valve Hydrogen leak detection system Criteria for individual components ・Fuel Tank and its attachments （ if necessary, following items) ・ Hydrogen components in gas pipes, etc. ・ High voltage and other components in fuel cell stack, etc. (Items should be minimized as far as possible Criteria for entire vehicle ・ Conformation to prevent hydrogen gas accumulation ・Hydrogen cutoff system in collisions ・High voltage shutoff system in collisions ・Attachment criteria for gas tank, etc.

  5. Plan FY 2005 FY 2003 FY 2004 Project for Establishment of Safety Regulation for FCV Establishment of Safety Regulation Draft plan for collecting data on each item requiring standardization Type Approval Data collection (Verification tests) Draft final version ★

  6. Examination Matters for Establishment of Safety Regulation • High pressure hydrogen gas safety Preventing hazardous hydrogen leaks and gas accumulation, Keeping safety of passenger and/or surroundings from the hydrogen purge and discharge, etc. • Crashworthiness Keeping safety of passenger and/or surroundings from fuel leakage, Ensure no disaster, more than those existing vehicles, are caused in vicinity of FCV. Gas container location which is hard to susceptible to any shock and heat, etc. • High voltage safety Preventing of direct contact hazard, etc. • Environmental protection Fuel economy, etc. • Others

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