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Archive for the ‘rechargeable battery’ Category

postheadericon Flexible batteries get the graphene treatment, could be cheaper than other bendy batts

We’ve been talking about flexible batteries for years now, but a team of Korean researchers have presented a new solution to bendable energy sources that is not only more powerful than standard lithium-ion batteries, but also potentially cheaper to produce than its malleable predecessors — and unsurprisingly, everyone’s favorite wonder material, graphene, is at the heart of the innovation. The rechargeable battery contains a vanadium-oxide cathode, grown on a sheet of graphene paper, an unidentified separator, and an anode made of lithium-coated graphene. According to the folks behind the new power source, it sports higher energy and power density, as well as a better cycle life than the literally stiff competition. Similar advances have also out-performed rigid lithium-ion batteries, but have enlisted carbon nanotubes, a material more expensive to produce than graphene. Of course, like all technological advances, we won’t be seeing these things for years, if not decades, so you might as well get used to ye olde standard bearer.

Flexible batteries get the graphene treatment, could be cheaper than other bendy batts originally appeared on Engadget on Wed, 02 Mar 2011 01:53:00 EDT. Please see our terms for use of feeds.

Permalink Graphene-Info  |  sourceEnergy and Environmental Science  | Email this | Comments

postheadericon Sanyo Eneloop Pedal Juice battery pack preview

It’s Christmas Day, which probably means that at least one toy that you received (or gave) won’t be fully functional until Monday. Why? Batteries. It’s an age-old problem, that “batteries not included” thing, and it’s one of the reasons we’ve fell so in love with Sanyo’s Eneloop line. Without question, the Eneloop rechargeable AA batteries are amongst the best and most reliable that money can buy, so whenever another Eneloop product pops out, it obviously catches our eye. Sanyo’s branching out pretty severely with its latest device, and being that at least 3.5 members of the Engadget staff have strummed a six-string once or twice, we had to take a closer look at the Pedal Juice when given the chance. For those that missed last month’s introduction, this pedal-sized block of energy is designed to provide 9V power to six or seven effects pedals, miniature amplifiers or electric drum pads (amongst other musical doodads). So, does this thing live up the the Eneloop reputation? Find out after the break.

Continue reading Sanyo Eneloop Pedal Juice battery pack preview

Sanyo Eneloop Pedal Juice battery pack preview originally appeared on Engadget on Sat, 25 Dec 2010 22:33:00 EDT. Please see our terms for use of feeds.

Permalink   |  sourceSanyo  | Email this | Comments

postheadericon Sanyo Eneloop Pedal Juice battery pack preview

It’s Christmas Day, which probably means that at least one toy that you received (or gave) won’t be fully functional until Monday. Why? Batteries. It’s an age-old problem, that “batteries not included” thing, and it’s one of the reasons we’ve fell so in love with Sanyo’s Eneloop line. Without question, the Eneloop rechargeable AA batteries are amongst the best and most reliable that money can buy, so whenever another Eneloop product pops out, it obviously catches our eye. Sanyo’s branching out pretty severely with its latest device, and being that at least 3.5 members of the Engadget staff have strummed a six-string once or twice, we had to take a closer look at the Pedal Juice when given the chance. For those that missed last month’s introduction, this pedal-sized block of energy is designed to provide 9V power to six or seven effects pedals, miniature amplifiers or electric drum pads (amongst other musical doodads). So, does this thing live up to the Eneloop reputation? Find out after the break.

Continue reading Sanyo Eneloop Pedal Juice battery pack preview

Sanyo Eneloop Pedal Juice battery pack preview originally appeared on Engadget on Sat, 25 Dec 2010 22:33:00 EDT. Please see our terms for use of feeds.

Permalink   |  sourceSanyo  | Email this | Comments