Electrochemical Energy Storage Technologies and the Automotive Industry

Nov. 9, 2009 Berkeley Lab Environmental Energy Technologies Division lecture: Mark Verbrugge, Director, Chemical Sciences and Materials Systems Lab General Motors Research & Development Center.

The first portion of the lecture will relate global energy challenges to trends in personal transportation. Following this introduction, a short overview of technology associated with lithium ion batteries for traction applications will be provided. Last, I shall present new research results that enable adaptive characterization of lithium ion cells. Experimental and modeling results help to clarify the underlying electrochemistry and system performance. Specifically, through chemical modification of the electrodes, it is possible to place markers within the electrodes that signal the state of charge of a battery through abrupt voltage changes during cell operation, thereby allowing full utilization of the battery in applications. In closing, I shall highlight some promising materials research efforts that are expected to lead to substantially improved battery technology.

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[Melehete]

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[bundawartini]

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[mphello]

@mphello .. it forces me to think that certain human activities, such as playing virtuoso violin, while titillating and exciting, are not as hard as, for example, proving a mathematical conjecture which takes hundreds of years to figure out.

[mphello]

I have worked on this problem of energy storage off and on since I worked on an electric car project in senior year in high school in 1981-1982. I am STILL stumped by it 30 years later. After seeing Watson on Jeopardy! this week, I wonder: why do SOME problems take so long to solve, yet, others - such as practicing to be a virtuoso violinist - can be done in 4 or 5 years?

I use the violin example (or any other "real-time" performance event) for comparison, because...

[flowewritharoma]

thanks to awesome presentation.

According to the overview, we have a only fraction of energy problem. but real issue is irvisuable.