Tag: Battery
Researchers Developed Low Cost Battery From Graphite Waste
Lithium-ion batteries are flammable and the price of the raw material is increasing. Scientists and engineers have been trying to find out a safe yet efficient alternative to the Lithium-ion technology. The researchers of Empa and ETH Zürich have discovered promising approaches as to how...
Continue ReadinguBoost Single AA to 3.3v 100mA Power Supply
µBoost is a Single AA powered, 3.3v 100mA power source and flashlight and it can run low power devices. µBoost is small, portable, 3.3v 100mA power source for low power devices like Arduino Mini. It has white power LED and can usable as flashlight. Also it has "Battery OK" indicator...
Continue ReadingRechargeable Magnesium Batteries – Safer And Cheaper Than Li-ion Batteries
Researchers at the University of Houston reported in the journal Nature Communications the discovery of a new design that significantly improves the development of a battery based on magnesium. Magnesium batteries are considered as safe resources of power supply – unlike...
Continue ReadingDIY Arduino Battery Capacity Tester
deba168 @ instructables.com writes: I have salvaged so many old lap-top batteries ( 18650 ) to reuse them in my solar projects.It is very difficult to identify the good cells in battery pack.Earlier in one of my Power Bank Instructable I have told, how to identify good cells by...
Continue ReadingIntegrated 36V buck battery charger provides seamless backup power
By Graham Prophet @ eedesignnewseurope.com: LTC4091 is a complete lithium-ion battery backup management system for 3.45V to 4.45V supply rails that must be kept active during a long duration main power failure. The LTC4091 employs a 36V monolithic buck converter with adaptive output...
Continue ReadingCarrageenan, a seaweed derivative, can stabilize lithium-sulfur batteries surprisingly
Lithium-sulfur batteries are suitable for both vehicle and grid applications as they are ultra-cheap, high-energy devices. Sulfur is a very low-cost material and the energy capacity is much higher than that of lithium-ion. So, lithium-sulfur is one chemistry that can possibly meet the...
Continue ReadingCell Phone Can Make Calls Without a Battery
Vamsi Talla at the University of Washington in Seattle build a mobile phone that can rely only on energy that it could harvest from its surroundings. Imagine if you can send SMS or make a call when you are out of battery. That's what's the team trying to achieve. Ambient light can be...
Continue Reading6V Lead Acid Battery Charger using BQ24450
6V Lead acid (SLA) battery charger project is based on BQ24450 IC from Texas instruments. This charger project takes all the guesswork out of charging and maintaining your battery, no matter what season it is. Whether you have a Bike, Robot, RC Car, Truck, Boat, RV, Emergency...
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