Technological Trends in Lead-Acid Batteries for Automotive Applications

In recent years performance requirements with respect to lead-acid batteries for automotive applications are beginning to undergo major changes as the vehicles themselves change. In addition to the traditional “SLI functions ” (starting, lighting and ignition), there is also a need to provide advances in technologies for environmental improvement, batter-ies for accessory applications (power steering, stabilizers, etc.), new functions such as alternator control for charging controls aimed at suppressing gaseous emissions and improving fuel econ-omy, stopping of idling, and regenerative braking. Furukawa Battery is engaged not only in basic technology and product development for lead-acid batteries to meet these requirements but also in developing the “Ultrabattery”--a new type of lead-acid battery that will meet the sophisti-cated requirements of next-generation vehicles.