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New Scientist is reporting on printable batteries with carbon nanotube (CNT) electrodes. The batteries were created by George Gruner and colleagues at the University of California in Los Angeles, US, and use the same zinc-carbon chemistry as ordinary non-rechargeable batteries. To make the battery, a layer of nanotubes is first deposited in the form of “nanotube ink” [...] Researchers at Rensselaer Polytechnic Institute have developed thin, flexible energy storage devices consisting of more than 90 percent cellulose. The paper is infused with aligned carbon nanotubes (electrodes), and an electrolyte (e.g. an ionic liquid). The technology allows to fabricate batteries, supercapacitors, or devices which combine both functions. According to the press release, the devices can [...] Supercapacitors or ultracapacitors use electrodes with very high surface area (e.g. porous activated carbon) and are currently used in niche application such as hybrid vehicles. New electrode materials with increased surface area have the [...] According to Physorg NEC Corporation today announced that it is developing a high-power organic radical battery (”ORB”) used to protect IT equipment such as desktop PCs from losing data during power supply interruption. [...] ORB is a new class of rechargeable battery being uniquely developed by NEC, which uses the electrochemical reaction of organic radical compounds. This [...] |
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