Abstract
Aluminum-doped lithium manganese powders were successfully produced by internal combustion-type spray pyrolysis using metal nitrate solution. As-prepared particles with an average diameter of about 4 μm had a porous microstructure and were nonagglomerated. Chemical analysis showed that the molar ratio of Li/Mn and the content of Aluminum were kept contact with the starting solution concentration. A lithium ion battery module for electric vehicle (EV) was also developed and its performance was examined. A 53 kWh lithium ion battery module was set on an electric microbus, and then its performance was examined.
Highlights
As a measurer for energy-saving global warming measure, the use of new energy systems, such secondary batteries, fuel cells, and super-capacitors, has been expected to reduce carbon dioxide discharge
140,000 microbuses are present in the whole country. Since most of these microbuses are run by a diesel engine, a much toxic substance, such as NOx, CO2 or Sox, is emitted by these microbuses. This problem will be solved by using an electric microbus (Figure 1) in which a lithium ion battery is used as a power source
Lithium manganese powders were mixed with acetylene black and fluorine resin to obtain slurry, and coated on an aluminum sheet using a doctor blade
Summary
As a measurer for energy-saving global warming measure, the use of new energy systems, such secondary batteries, fuel cells, and super-capacitors, has been expected to reduce carbon dioxide discharge. LiMn2O4 is expected to be a cathode material of a large lithium ion battery for EV, such as cars, buses and railways. A lithium ion battery in which aluminum-doped LiMn2O4 was used as a cathode was employed as a power source in a microbus. Since most of these microbuses are run by a diesel engine, a much toxic substance, such as NOx, CO2 or Sox, is emitted by these microbuses This problem will be solved by using an electric microbus (Figure 1) in which a lithium ion battery is used as a power source. Battery characteristics, such as a long life cycle, heat- resistance and high power energy densities for electric microbuses. The performance of a pure electric bus by a large lithium ion battery was described
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