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12369 results for "battery-free devices"
Scientists have unlocked a quantum effect that converts ambient wireless signals into usable electricity, potentially ending our dependence on batteries for everyday devices. The breakthrough works at room temperature and could power everything from medical sensors to smartphones.
Scientists in Australia and Singapore have discovered how to control a quantum effect that converts ambient energy into electricity, potentially eliminating the need for batteries in future electronics. The breakthrough works at room temperature and could power everything from wearable devices to wireless sensors.
Researchers at Queen's University Belfast developed a revolutionary 3D-printed flow battery that costs just £74 instead of £3,000, and they're giving the design away free to accelerate the global shift to renewable energy.
An Australian family now runs their house and electric car almost free after installing a subsidized home battery system. The government scheme has sparked a nationwide energy revolution with 300,000 households already participating.
Scientists built penny-sized metal sensors that detect motion using only sound, no batteries required. The breakthrough could eliminate millions of batteries from smart home devices.
Researchers in South Korea have developed a breakthrough material that enables devices to simultaneously generate their own power from indoor light and sense their surroundings. This innovation could eliminate the need for billions of disposable batteries in smart sensors and wearables.
Scientists in India have developed a tiny sensor that detects diabetes through a single breath, no painful blood tests needed. The device runs without batteries and could make testing accessible to millions in rural areas.
A new free program in North Queensland is making it easy to safely dispose of lithium-ion batteries after fire incidents more than doubled since 2022. The initiative covers everything from electric toothbrushes to e-scooters, protecting communities and waste workers from dangerous fires.
Scientists created a self-regulating solar device that transforms water and CO2 into usable fuel, eliminating the need for expensive batteries. The breakthrough could make clean fuel production simpler and cheaper for everyday use.
Researchers mimicked electric rays to create tiny stacked cells that generate over 100 volts without any external power source. The breakthrough could eliminate charging needs for watches, calculators, and wearable devices.
Japanese researchers created a special "enzyme ink" that prints working biosensors in one step, solving the biggest obstacle to mass-producing wearable health monitors that run on sweat alone. These paper-thin patches could soon track your workout performance without batteries.
When the power goes out, that electric bike in your garage becomes an emergency power station. A fully charged e-bike battery can recharge your smartphone dozens of times and keep essential devices running for days.
Colorado is moving toward requiring car manufacturers to recycle electric vehicle batteries at no cost to consumers, making EVs truly green from start to finish. The groundbreaking law could cut mineral mining needs by 50% while creating thousands of local jobs.
A massive electric freight ferry just launched in Denmark, crossing the Baltic Sea 100% emission-free while carrying 66 trucks at a time. The ship recharges in just 12 minutes between trips, proving clean shipping works at commercial scale.
Samsung SDI just solved a major safety problem that's kept super-powered lithium-metal batteries out of our devices for years. The breakthrough could make phones, wearables, and other gadgets smaller and last way longer on a single charge.
Researchers have discovered why tiny "thorns" inside lithium batteries turn deadly, opening the door to batteries that last longer and stay safer. The breakthrough could finally solve one of the biggest obstacles to better battery technology.
A new study reveals that sodium-ion batteries already powering Chinese electric vehicles match Tesla's lithium batteries in most performance areas while using cheaper, more abundant materials. This breakthrough could slash battery costs and reduce dependence on scarce lithium supplies.
Samsung SDI and Columbia University just solved a decades-old problem blocking super-powerful lithium-metal batteries from reaching your devices. The breakthrough could double battery life in everything from smartwatches to electric vehicles.
Britain just unlocked a way to recycle old electric vehicle batteries into materials for next-generation batteries that charge in five minutes. The breakthrough could free the UK from depending on China for 99% of its battery materials while slashing carbon emissions.
Scientists created a cheap, easy-to-apply coating that dramatically extends the life of next-generation batteries. The discovery could finally make powerful silicon batteries practical for everyday devices and electric vehicles.
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