Many markets around the world are experiencing rapid changes in energy-storage technology as regulations tighten around the efficient use of energy resources. Whether it is European directives for carbon emissions, fuel-efficiency standards for vehicles in the USA, vehicle emission standards in various other countries, or even the new rules that are being implemented in California with respect to the efficiency of battery chargers, it is clear that batteries will be forced to handle higher loads for longer periods with less opportunity for charging. Batteries will need to be designed with these deep-cycling requirements in mind, even for automotive applications, such as idle-stop–start, which have not been traditionally considered as deep-cycle. The separator will also have to play a more prominent role in assisting the other components of the battery to withstand these increasingly stringent demands. New considerations and innovations in separator design and composition will be presented.


John Timmons
Microporous, LLC
Vice President, Technology

Biography: John Timmons is the Vice President of Technology for Microporous, LLC. He holds a bachelor’s degree in chemistry from the Virginia Military Institute and a master’s degree in chemical engineering from the University of Virginia. For the past 19 years, John has worked in various roles in the engineering and research and development of lead–acid batteries and their separators.


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