Lack of demand is already causing problems for some lithium-ion battery manufacturers. In recent years, two lithium-ion battery makers -- A123 Systems and Ener1 -- have filed for bankruptcy protection. And in February, a US Department of Energy investigation discovered that idle employees of LG Chem Ltd. were playing board games, watching movies, and volunteering at local non-profit organizations during work hours, after the company took more than $150 million in federal funds to help build its battery cell manufacturing plant. The battery manufacturer was subsequently asked to repay $842,000 in taxpayer funds.
Experts say the situation has been getting worse for lithium-ion, following the massive public attention of overheating incidents on Boeing’s 787 Dreamliner. “The glamour has definitely faded for lithium,” Cole told us. “The Boeing situation was the crowning blow.”
To be sure, lithium-ion will continue to play a role. Ford Motor Co. announced late last year that all its new hybrids would migrate to lithium-ion. And Pike Research declared earlier this year that the emergence of plug-in hybrids would boost lithium-ion sales over the next few years. ”Sales of lithium-ion batteries will be better than they have been,” analyst Dave Hurst of Pike Research told us. “But they still won’t be very good.”
The question now is how much of the hybrid market will still belong to lithium-ion. Most industry analysts still expect plug-in hybrids to be the province of lithium-ion batteries. However, the low end of the hybrid market -- mild hybrids and start-stop micro-hybrids -- will be a mix, with lead-acid, nickel-metal hydride, and lithium-ion grabbing chunks of the market.
”Lithium-ion is still a very solid player,” Cole said. “But now we’re entering a more realistic period with respect to batteries. The hype is over. The cost is going to have to come down now."
Lead-acid batteries have lowest energy-to-weight and energy-to-volume designs, making them very big and heavy for the total amount of power that they can put out. But they do have a very high surge-to-weight ratio, which means that they have the capacity to deliver a big jolt of electricity all at once. This feature makes lead-acid battries perfect for applications that need a big, sudden surge of power, such as car starters.
Alternatives to the internal combustion engine. A dressed up older battery technology may help break through the difficulties. Or perhaps something else. So far it looks like lithium-ion will see some challenges.
If they could do something to improve the old technology that would be fantastic. Lead-acid is forgiving and easily remanufactured, but it's also heavy and has a poor life-cycle under constant use. It's great for starting cars, though.
Interesting story, Chuck. I think it's a bit early to count out lithium ion, especially with some new research in different chemistries. But with all the negative publicity and the current limitations of the technology, there is certainly room for another battery chemistry to take its place.
For industrial control applications, or even a simple assembly line, that machine can go almost 24/7 without a break. But what happens when the task is a little more complex? That’s where the “smart” machine would come in. The smart machine is one that has some simple (or complex in some cases) processing capability to be able to adapt to changing conditions. Such machines are suited for a host of applications, including automotive, aerospace, defense, medical, computers and electronics, telecommunications, consumer goods, and so on. This discussion will examine what’s possible with smart machines, and what tradeoffs need to be made to implement such a solution.