1 September 13, 2007 Engineering Advancement Association (ENAA) of Japan Sam Miyashita Hydrogen Safety R&D and RCS process in Japan

2 NEDO Project Promotion Scheme Collect safety data about review of regulation Development of test method ISO TC22/SC21 Electrically propelled road vehicles ISO TC22/SC21 Electrically propelled road vehicles ISO TC197 Hydrogen technologies ISO TC197 Hydrogen technologies IEC TC105 Fuel cell technologies IEC TC105 Fuel cell technologies JHFC Project (FCV & Hydrogen Station) / METI Projects JHFC Project (FCV & Hydrogen Station) / METI Projects Demonstration of Residential PEFC System for Market Creation Demonstration of Residential PEFC System for Market Creation Demonstration of SOFC Systems Demonstration of SOFC Systems Hydrogen & Fuel cell Community DemonstrationR C & S R & D NEDO promotes 1) development, 2)demonstration and 3) updating of codes and standards. NEDO promotes 1) development, 2)demonstration and 3) updating of codes and standards.

Deregulation for Technical Barrier Conformity of Regulation 【 Japan 】 Road & Transportation Law High Pressure Gas Control Law Electricity Safety Law Construction Standard Law 【 International 】 UNECE WP29 Orange BookICAO Dangerous Cargo Transportation Rule UNECE WP29 ： UN/EC Economic Committee Vehicle Standard Orange Book ： UN Recommendations on the TRANSPORT OF DANGEROUS GOODS - Model Regulations ICAO ： International Civil Aviation Organization 【 JAPAN 】 IDT or MOD Country Standard ＪＩＳ L A W （ Compulsory ） ISO / IEC 【 Other Countries 】 7 IDT: Identical, MOD:Modified

4

5

6 Hydrogen and Fuel Cell Vehicle Safety Evaluation Facility Hy-SEF Located in Ibaraki Prefecture 100km Northeast of Tokyo, Established in 2004 High Pressure Hydrogen Gas Test Area Liquid Hydrogen Test Area Exhaust After Treatment Explosion Resistant Fire Test Cell Hydraulic Pressure Test Area

7 Silencer Explosion resistant fire test cell Air Exhaust Structure to stand the explosion of 260L volume and 70MPa(10,000psi) hydrogen cylinder Inner size: 18m diameter, 16m height Wall: Reinforced concrete, 1.2m thickness Iron surface 750m 3 /min. -80dB Facility

8 1. Flame exposure test of high density hydrogen storage High pressure cylinder, Liquefied hydrogen, Metal hydride, Carbon nano-tube, Chemical hydride 2. Vehicle fire test Property of released hydrogen flame Safety release method of hydrogen 3. Study of hydrogen diffusion Diffusion, Ignition, Flame propagation Measures to prevent accidents. 4. Manuals for vehicle fire accident Fire fighting, Rescue, Safety distance Utilization of fire test cell Facility

9 Exhaust after treatment Silencer(-80dB) Exhaust After Treatment Ceramic Filter Chemical Adsorbent Exhaust Blower(750m 3 /min.) Explosion Resistant Fire Test Cell Intake Blower(750m 3 /min.) Facility

10 High pressure hydrogen compressor 110MPa, 200Nm 3 /h High pressure hydrogen storage tank bank 110MPa, 72.5 litters x 9 Gas-tight temperature control chamber -40 o C to 85 o C Gas-tight temperature control chamber in a gas pit High pressure hydrogen filling test equipments Facility

11 Conclusion (What to do for Hydrogen Safety R&D and RCS) AA) To promote the development of R&D for Hydrogen Safety. BB) To promote the demonstration of Hydrogen Safety CC) To update the regulation, code & standard stemming from the results of R&D and demonstration of Hydrogen Safety Thank you for your attention.