Index
441
advantage, combustion engine and
battery, 328

air delivery subsystems, stack

compressor types, 333

pressure, 332–333

bipolar plates

graphite composite, 328

reactant gases, 328

for shock and vibration, 328–329

fuel delivery subsystem, stack

anode operation, 332

humidification, 332

hydrogen sources, 332

packaging
humidification, proton exchange
mechanism, 335–336
MEAs, temperature and
humidification, 336

power density, 336

thermal requirement, 335

proton, anode and
cathode, 328

sizing, stack

coolant temperature, 335

efficiency, 334

high pressure, low-cathode
stoichiometry operations, 335

humidification, 335

ICEVs, 335

temperature operation, high,
334–335

water requirement, 335

stacks

air supply, 330

commercial, automotive
applications, 330

constituents, 328

coolant, deionized water, 332

high temperature and low
humidity, 331–332

hydrogen supply, 330

key system metrics, 329

onboard fuel processors
drawback, 331

operating temperatures, 329

power density, 329

prehumidification, 329

radiator technology, 331

subfreezing temperatures, 332

subsystems, 229–330

supercharging mechanism, 331

thermal management
subsystems, 331

water management system,
330–331

system efficiency

defined, 334

stack efficiency, defined, 334

water and thermal management
subsystems, stack
automotive coolants, conductive
and corrosive nature, 333

gasfed humidification, 333

heat exchangers, 333

Optimal operation line (OOL), engine,
378–379

Oxydiesel biodegradability, 137

Ozone formation, 6

P
PAFC, see Phosphoric acid fuel cells
(PAFC)
PAHs, see Polycyclic aromatic
hydrocarbons (PAHs)

Palm oil oxidation stability, 62

Parallel hybrid system

configuration

advantage, 365

electric motor, 364–365

feature, 363

mechanism, 364

propulsion devices, 365

operation

battery charging, 368

decelerating/braking, 368

launching/accelerating, 368

during normal driving, 368

operating modes, 368–369

Partial oxidation, 89

PEFC-Li-ion battery powered hybrid
cars, 336

PEFC-Ni/MH battery powered hybrid
cars, 336

PEFCs, see Polymer electrolyte fuel cells
(PEFCs)

Petrol and LPG, 206

Petroleum-based diesel fuel, 24
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