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Batteries & Electrochemistry
Lithium‑ion, solid‑state, flow batteries, and charge cycle advances.
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One Atom Apart: Crystal Wiring Trick Pushes Perovskite Solar Cells Past 27
2+ hour, 27+ min ago (698+ words) Perovskite solar cells have spent more than a decade rewriting the record books, but the most valuable real estate in these devices has always been the interface, the razor-thin boundary where the light-absorbing perovskite layer meets the contacts that siphon…...
Discarded Phone Batteries Turned Into Water-Purifying Carbon
3+ hour, 6+ min ago (607+ words) Every year, millions of lithium-ion batteries reach the end of their lives, and most of the graphite inside them is quietly thrown away....
Flower-Powered Carbon Doped With Manganese Boosts Supercapacitors and Solar
4+ hour, 25+ min ago (55+ words) Researchers in India have transformed the delicate purple-and-white flowers of Bauhinia variegata, the mountain ebony tree, into a high-performance carbon electrode material that works in two very different clean-energy devices at once. In a study published in the Springer journal…...
Microbes Turn Renewable Electricity and CO2 Into Valuable Chemicals
4+ hour, 28+ min ago (696+ words) Scientists at Pusan National University have published a comprehensive review showing that microorganisms wired directly to electrical circuits could become the backbone of a carbon-negative chemical industry. In a paper in the journal Advances in Industrial and Engineering Chemistry, Chang…...
Discarded Lithium-Ion Batteries Brought Back to Life With Thermochemical
5+ hour, 3+ min ago (641+ words) Every electric vehicle that rolls off an assembly line today carries within it a promise of cleaner transportation and, eventually, a difficult waste problem. Lithium-ion batteries degrade with use, and when they can no longer hold enough charge to propel…...
Recycled Battery Cathode Material Pulls Toxic Blue Dye from Water Without
5+ hour, 53+ min ago (94+ words) The blue dye that colors denim, candies, and medicines may soon face an unexpected adversary: the discarded remains of old cellphone batteries. In a study published in Discover Industrial Chemistry and Materials, a team of Brazilian researchers led by Eric…...
The Slow Drain: Tiny Electronic Currents Threaten Solid-State Battery
10+ hour, 27+ min ago (583+ words) Solid-state batteries have been heralded as the next great leap in energy storage, promising higher energy densities, improved safety and longer lifetimes than the lithium-ion cells that power everything from smartphones to electric vehicles....
Chloride-Rich Electrolyte Powers a High-Voltage Lithium–Sulfur Battery
11+ hour, 8+ min ago (564+ words) Rechargeable lithium–sulfur batteries have long been heralded as one of the most promising routes beyond the limits of conventional lithium-ion technology. Sulfur is abundant, inexpensive and capable in principle of storing enormous quantities of energy per unit mass....
Singapore built a pilot plant that uses discarded orange, lemon and pineapple peels to dissolve valuable metals out of shredded lithium-ion batteries — the underlying process recovered roughly 90 percent of the cobalt, lithium, nickel and manganese in lab tests
16+ hour, 22+ min ago (217+ words) Somewhere in Singapore's industrial west, a tank of shredded batteries is soaking in a solution that smells faintly of marmalade....
Get the best battery life for your Windows laptop by changing these settings
16+ hour, 38+ min ago (295+ words) If your Windows laptop drains like crazy when away from a charger, adjusting some settings will help you get more out of each charge. It's a terrible feeling to watch your laptop's battery life quickly tick down as you realize…...