Negative Consequences Of Lead/Acid Battery

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Register to read the introduction… The available technology points toward the use of lead/acid batteries to supply the power for ZEVs. The negative consequences associated with lead/acid batteries are numerous. For example, lead/acid batteries contain a large amount of lead. When the life of the battery is lost, the disposal of the lead within the battery must be dealt with appropriately. An analysis by researchers at Carnegie-Mellon found that the mass production of electric cars using lead/acid battery packs would exponentially increase the public’s exposure to lead pollution (Peters, 1995). According to the study, electric cars would create more than 60 times the amount of lead pollution as compared to vehicles burning leaded gasoline (Peters, 1995). In addition to problems associated with lead pollution, lead/acid batteries also have the lowest energy density (compared to the batteries listed in Tables 1-4) because they use the largest mass of materials while offering the least amount of energy output. At 50 W· h/kg, a 25kW· h battery module would weigh 500kg (Gaines and Singh, 1996). The weight and inefficiency of the lead/acid batteries make them impractical to use and market as the main energy source of ZEVs. The technology to mass-produce lighter, longer running and affordable batteries does not seem to exist yet. Therefore, many argue that the hard push for electric vehicles will only contribute towards increased environmental …show more content…
Alternative fuels are perceived as being less likely to evaporate or otherwise find their way into the air before combustion and are less ozone-forming and less toxic if they do (Gushee, 1995). Another benefit that may be reaped from the use of alternative fuels is that gases burn cleaner than gasoline (see Table 6). As a result, less harmful emissions are created as a result of burning alternative fuels.

There are of course disadvantages to the use of alternative fuel driven cars. Vehicles that run on compressed natural gas will cost $2,500-5,000 more than a conventional car (Derr, 1994). Methanol does not offer convincing benefits over standard reformulated gasoline. Research shows that methanol does not offer any environmental benefits over reformulated gasoline and it is considerably more expensive

Table

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