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Replacing the volatile and flammable liquid or polymer electrolytes now used in lithium-ion batteries with inorganic solid-state lithium-ionic ceramic conductors could significantly improve both safety and performance of the cells. Solid-state conductors would allow for novel cathode and anode chemistry, prevent the growth of Li-metal dendrites and push miniaturization.Though researchers have investigated several structural families of promising solid-state Li-ion conductors over the past decades, the fact that there are many desired properties--including fast-ionic/superionic diffusion of Li ions, very low electronic mobility, wide electrochemical stability windows, and high mechanical stability--means that no one material has emerged as an ideal candidate for development and so the searc...
发布时间: 2020 - 01 - 22
浏览次数:229
Engineers at the University of California, San Diego have developed a process for welding ceramics that could have wide-ranging implications for the hardiness and construction of electronics.
发布时间: 2019 - 09 - 11
浏览次数:255
Researchers have found a way to use 3D printing to stretch and flatten twisted polymers so that they conduct electricity better.
发布时间: 2019 - 09 - 06
浏览次数:220
We live in a ceramic world. Ceramics are everywhere even in the world of engineering. The most important and general property of ceramics is that they are refractory. What does this mean? They are “rough-and-tumble” materials that will take large amounts of abuse in a wide range of situations. Don’t believe us?
发布时间: 2019 - 08 - 28
浏览次数:134
Ceramic aerogels have been protecting industrial equipment and space-bound scientific instruments for decades, thanks to their incredible lightness and ability to withstand intense heat. The problem is they can be pretty brittle. Now, a team led by researchers at the University of California Los Angeles (UCLA) has developed a new ceramic aerogel that's far hardier and more flexible, even after repeated exposure to wild temperature swings.
发布时间: 2019 - 08 - 21
浏览次数:427
RESEARCH TRIANGLE PARK, N.C. A U.S. Army project discovery upends previous notions about how metals deform and could help guide the creation of stronger, more durable materials for military vehicles.
发布时间: 2019 - 08 - 15
浏览次数:125
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