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American Recovery and Reinvestment Act: Fuel Cell Hybrid Power Packs and Hydrogen Refueling for Lift Trucks.
| 题名： | American Recovery and Reinvestment Act: Fuel Cell Hybrid Power Packs and Hydrogen Refueling for Lift Trucks. |
| 作者： | Block, G.; Butt, H. E. |
| 关键词： | Costs; Electric Batteries; Forklift Vehicles; Fuel Cells; Hybrid Systems; Hydrogen; Maintenance; Temperature Zones; Trucks |
| 摘要： | H.E.B. Grocery Company, Inc. (H-E-B) is a privately-held supermarket chain with 310 stores throughout Texas and northern Mexico. The company converted 14 of its lift reach trucks to fuel cell power to verify the value proposition and environmental benefits associated with the technology. H-E-B management has determined that fuel cell forklifts help alleviate several issues in its distribution centers, including truck operator downtime associated with battery changing, truck and battery maintenance costs, and reduction of grid electricity usage. It is also interested in other uses of hydrogen produced on site in the future, such as for APUs used in tractor trailers and refrigerated transport trucks in its fleet. The H-E-B San Antonio distribution center operates a total of approximately 300 Class II electric reach trucks and 700 Class III electric pallet jacks over 2 shifts, for a total of 20 working hours per day. There are 3 temperature zones in the facility, ranging from dry goods at ambient temperature, to refrigerated goods at 34DGF (1DGC), to freezer goods at -13DGF (-25DGC). The 14 Nuvera PowerEdg RL25 fuel cell units operated under this project repowered Class II fork lift trucks that were designed for use with 1000 Ah (18-125-17) lead acid batteries, and are capable of operation in both the ambient and refrigerated goods temperature zones of the facility. Issues associated with the increasing power requirements of the distribution center operation, along with high ambient temperature in the summer and other operating conditions (such as air quality and floor surface condition), highlighted shortcomings in the fuel cell system design in some high-throughput forklift environments. These provided key learnings to Nuvera in the redesign of its fuel cell product offering for industrial trucks. The project included on-site generation of hydrogen from a steam methane reformer, called PowerTap, manufactured by Nuvera. The hydrogen is generated, compressed and stored |
| 报告类型： | 科技报告 |
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