Tag: Li-Ion
Newly Developed Internal Temperature Sensor For Li-ion Battery Enables 5x Faster Charging
Researchers at the University of Warwick in the UK have developed sensors which measure the internal temperature and electrode potential of Lithium batteries. The technology is being developed by the Warwick Manufacturing Group (WMG) as a part of a battery’s normal operation. More...
Continue ReadingJuiceBox Zero: Easiest way to power a Pi Zero with a battery
You have a Raspberry Pi project, but it's no good stuck to a wall! JuiceBox Zero is the simplest way to properly power your Pi Zero. by Samuel Anderson @ kickstarter.com: I had an amazing project for Raspberry Pi that needed to be battery powered. I searched and found a few boards that...
Continue ReadingCould Sodium-ion Batteries be a Replacement for Li-ion Batteries?
In early 1990s lithium-ion batteries started gaining popularity as a substitute for nickel-cadmium batteries. They have higher energy density, low self- discharge, and low maintenance, but it was soon found that they have short life span, unstability which causes security concerns and...
Continue ReadingFlexipower – A portable, Controllable, Dual Channel Power Supply
Hobbyists, makers, students and pretty much everyone who works with electronics has encountered the same issue, not having a handy power supply to test their projects. Usually, controllable power supplies are big, expensive and for some people difficult to access, and most small power...
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 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 ReadingFuel gauge needs no battery characterization
by Susan Nordyk @ edn.com The MAX17055 single-cell fuel gauge from Maxim not only eliminates battery characterization, but also keeps SOC (state-of-charge) error to within 1% in most scenarios. With its ModelGauge m5 EZ algorithm, the device provides tolerance against battery...
Continue ReadingSimple circuit indicates health of lithium-ion batteries
Fritz Weld @ edn.com proposes a simple circuit to check li-ion battery health. He writes: Lithium-ion batteries are sensitive to bad treatment. Fire, explosions, and other hazardous condition may occur when you charge the cell below the margin that the manufacturer defines. Modern...
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