An interdisciplinary team of researchers from Columbia University, led by Ken Shepard, professor of electrical engineering and biomedical engineering at Columbia Engineering and including Virginia W. Cornish, Helena Rubinstein ...
Electronics & Semiconductors
Aug 22, 2013
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(Phys.org) —Metal ions play critical roles throughout biochemistry, often facilitating the cleavage of the bond between the two atoms in an oxygen molecule in metalloenzymes. They are the key to oxidizing organic molecules ...
Materials Science
Aug 12, 2013
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Atsushi Masuda of Collaborative Research Team and Kohjiro Hara of Collaborative Module-Reliability Research Team, the Research Center for Photovoltaic Technologies of the National Institute of Advanced Industrial Science ...
Energy & Green Tech
Jul 22, 2013
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(Phys.org) —Lithium ion batteries are at the energetic heart of almost all things tech, from cell phones to tablets to electric vehicles. That's because they are a proven technology, light, long-lasting and powerful. But ...
Nanophysics
Jul 8, 2013
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Lithium-ion batteries are now found everywhere in devices such as cellular phones and laptop computers, where they perform well. In automotive applications, however, engineers face the challenge of squeezing enough lithium-ion ...
Condensed Matter
Jul 4, 2013
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(Phys.org) —Researchers at Rice University have come up with a new way to boost the efficiency of the ubiquitous lithium ion (LI) battery by employing ribbons of graphene that start as carbon nanotubes.
Nanomaterials
Jun 13, 2013
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Researchers at Sandia National Laboratories have confirmed the particle-by-particle mechanism by which lithium ions move in and out of electrodes made of lithium iron phosphate (LiFePO4, or LFP), findings that could lead ...
Nanophysics
Jun 11, 2013
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Stanford University scientists have developed an advanced zinc-air battery with higher catalytic activity and durability than similar batteries made with costly platinum and iridium catalysts. The results, published in the ...
Energy & Green Tech
May 29, 2013
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(Phys.org) —A large team of researchers, most of which are based in Korea, has succeeded in extending the process of galvanic replacement reactions to ionic compounds. In their paper published in the journal Science, the ...
A research group from the National Institute for Materials Science has discovered an intriguing phenomenon in which an inorganic layered crystal expanded and contracted by 100 times its original size in a few seconds when ...
Materials Science
May 1, 2013
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