Why Lithium Battery has not been Eliminated after Several Decades
Author: Source: Datetime: 2016-10-07 09:50:11
Since the 70s of last century, since the birth of lithium batteries successfully entered everyone's life, but in the era of technological advances so rapidly, but no new energy storage technology can replace its position, which allows people to think, has been overcoming the clutter of researchers in the end what difficulties encountered?
Earlier this year, the US Department of Energy Alternative Energy Advanced Research Projects Agency (ARPA-E) head of Williams overnight to seize the major media headlines, and let him cause such a great concern is only to accept the "Guardian "Interview in a word -" We have made a great breakthrough in the field of batteries. "
Battery technology has not yet made a breakthrough
But the breakthrough is a breakthrough, but when to use or unknown. Previously, ARPA-E supported more than 75 research projects related to energy storage, which have yielded satisfactory results, but have not yet made a breakthrough in producing small, low-cost energy storage devices .
Despite the efforts, many start-ups are close to producing an energy storage device that combines economy, security, compactness and high energy density and can reduce its cost to $ 100 per kilowatt-hour. However, if the energy storage device price control in this level, will inevitably lead to galvanic effect (galvanic effect, the so-called galvanic corrosion effect is due to different corrosion potential, resulting in dissimilar metals in the same medium at the local corrosion ).
Only renewable energy can solve this problem, they can make electric vehicles lighter, lower cost, but there is a slot it can not be overcome, that is renewable energy only in the sunny or stormy when More stable.
Unfortunately, the commercialization of such new batteries is far behind the pace of human transfer from fossil fuels to renewable sources of energy. Even bold as Maske, have to admit that the current electric car manufacturers in improving the lithium battery has not made much progress. The LiFePo4 battery pack is also a kind of lithium batteries.
Break the inherent thinking can be a breakthrough
In fact, many researchers believe that energy storage devices in order to achieve leapfrog development, we must break the existing barriers, the use of a new chemical process and physical appearance. The only way to get rid of the original structure, to break the lithium-ion battery in the past decade, consumer electronics, electric vehicles and network-level storage systems and other areas of the rule achieved.
This year in May, the US Department of Energy (DOE) organized a "beyond the lithium battery," the theme of the seminar, which is the ninth anniversary of the birth of the seminar, each year researchers gathered together to explore the development of new energy storage The technical challenges that equipment faces. The new energy storage can be divided solar powered portable generator.
SolidEnergy Systems founder Hu Qichao has created a new lithium metal battery, which significantly increased the energy density of the battery, significantly beyond the existing products.
Hu Qichao at the seminar also described the new lithium metal battery R & D mentality, he believes that up to ten years of research and development process, the main obstacles encountered is how to turn an idea into a product. This is more difficult for the battery, because once you improve a certain aspect of performance, it may affect the performance of the other. Therefore, we must make difficult trade-offs and choices.TAG: Nuon German Category Separate Telangana MW 10 Used Tax Guarantee Powertrain Automotive Experiment Research Deployment
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