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Vehicular hydrogen storage using lightweight tanks (regenerative fuel cell systems)
| 题名： | Vehicular hydrogen storage using lightweight tanks (regenerative fuel cell systems) |
| 作者： | Weisberg, A H;Myers, B;Mitlitsky, F; |
| 关键词： | 08 HYDROGEN; 30 DIRECT ENERGY CONVERSION; ENERGY STORAGE SYSTEMS; HYDROGEN STORAGE; PRESSURE VESSELS; REGENERATIVE FUEL CELLS; ELECTRIC-POWERED VEHICLES; HYDROGEN FUEL CELLS; DESIGN |
| 摘要： | Energy storage systems with extremely high specific energy (>400 Wh/kg) have been designed that use lightweight tankage to contain the gases generated by reversible (unitized) regenerative fuel cells (URFCs). Lawrence Livermore National Laboratory (LLNL) will leverage work for aerospace applications supported by other sponsors (including BMDO, NASA, and USAF) to develop URFC systems for transportation and utility applications. Lightweight tankage is important for primary fuel cell powered vehicles that use on-board storage of hydrogen. Lightweight pressure vessels with state-of-the-art performance factors were designed, and prototypes are being fabricated to meet the DOE 2000 goals (4000 Wh/kg, 12%hydrogen by weight, 700 Wh/liter, and $20/kWh in high volume production). These pressure vessels use technologies that are easily adopted by industrial partners. Advanced liners provide permeation barriers for gas storage and are mandrels for composite overwrap. URFCs are important to the efficient use of hydrogen as a transportation fuel and enabler of renewable energy. H{sub 2}/halogen URFCs may be advantageous for stationary applications whereas H{sub 2}/O{sub 2} or H{sub 2}/air URFCs are advantageous for vehicular applications. URFC research and development is required to improve performance (efficiency), reduce catalyst loading, understand engineering operation, and integrate systems. LLNL has the experimental equipment and advanced URFC membrane electrode assemblies (some with reduced catalyst loading) for evaluating commercial hardware (not funded by DOE in FY1999). |
| 报告类型： | 科技报告 |
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