TABLE OF CONTENTS In this section, two illustrations of vehicle cost budgeting will be introduced: first, the case of a fuel cell hybrid vehicle since it represents the most technologically advanced case; and second, that of a mild hybrid. These two cases can be thought of as representative of book-ends in an overall technology cost assessment. A brief illustration of weight budgeting will also be introduced.
The cost breakdown of fuel cell stacks is shown in Table 4.20 for a 50 kW stack if it were in mass production (>500k units/year APV). In costing studies the various representations are: (1) APV (annual production volume), or actual vehicles produced and sold; and (2) FPV (financial planning volumes) for the more upstream accounting and budgeting to meet specific corporation goals such as CAF and brand image.
| Component | Cost | 2004 | ||
|---|---|---|---|---|
| % | $ | $/kW | $/kW | |
| Anode and cathode layers | 50 | 3625 | 75 | 5 |
| Electrolyte | 20 | 1310 | 25 | 5 |
| Gas diffusion layers | 5 | 420 | 5 | 5 |
| Bipolar plates | 15 | 1035 | 20 | N/A |
| Gaskets | 5 | 380 | 10 | 5 |
| Other | 5 | 280 | 5 | N/A |
| Total | 100 | 7050 | 140 | N/A |
Costs associated with hybridization are significantly increased by the addition of electric drive subsystems and their supporting components. To illustrate this case we assume a 42 V PowerNet enabled, integrated starter generator (ISG) system installed in a mild hybrid. Table 4.21 is presented here as a cost walk...
