Cars beyond Otto's internal combustion engines |
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| Authors: | A K Shukla |
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| Institution: | (1) Solid State and Structural Chemistry Unit, Indian Institute of Science, 560 012 Bangalore, India |
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| Abstract: | Road transportation as an important requirement of modern society is presently faced with restrictions in mainly two respects,
namely the ever tightening emission legislation as well as the availability of petroleum fuels, and as a consequence the fuel
cost. But in any review of power sources for future road transport vehicles, the performance of the existing internal combustion
engine is likely to be the yardstick against which other power sources will be compared. The power sources most likely to
provide favourable comparison are those, which can display comparable range and speed, long and reliable life and manufactured
at a cost comparable to petrol engine. A vehicle which fails in any of these requirements is unlikely to achieve anything
but a niche market share. This article is an appraisal of a variety of proposed electrochemical systems, viz. rechargeable
batteries, fuel cells and supercapacitors, for an electric car. It is surmised that a viable electric car could be powered
with a fuel cell to provide power for cruising and climbing coupled in parallel with a supercapacitor/battery bank to deliver
additional short-term burst-power during acceleration.
A K Shukla is a Professor at the Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore. His current
research interests are in materials electrochemistry with special emphasis on batteries, fuel cells and supercapacitors. |
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