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Thursday, August 16, 2012

Nano tritium battery

The NanoTritium betavoltaic power source from City Labs is a thumb-sized battery that draw...The NanoTritium can travel into enemy territory, plunge to the bottom of the ocean and even settle into the human heart. And it keeps going, even through extreme temperatures and vibration, for 20 years or more. Just the size of an adult’s thumb, NanoTritium is a different kind of battery — and now it’s available commercially. Homestead-based City Labs, the small high-tech company that created NanoTritium, Tritium being a radioactive isotope of hydrogen that contains two neutrons and one proton, its atom is unstable and decays into helium. This decay is accompanied by release of energy in the form of electrons, which can then be used to power devices. The element being mildly radioactive does not affect health of the user. The electrons released during thIS procedure are capable of powering the battery but are not radioactive enough to escape the battery and harm user

When installing micro-electronic devices in locations that are expensive or hard to reach, or just downright dangerous, you don't want to have to keep returning to swap out a battery cell. Canada's City Labs has announced the commercial launch of its NanoTritium betavoltaic power source, a thumb-sized battery that draws on the energy released from its radioactive element to provide continuous nanoWatt power for over 20 years.
Contrary to the celluloid claims of Dr Octavius (in the movie Spiderman 2), there's quite a bit more than 25 pounds (11 kg) of tritium (a radioactive isotope of hydrogen) in the world today. Although occurring naturally in the upper atmosphere, it's also produced commercially in nuclear reactors and used in such self-luminescent products as aircraft dials, gauges, luminous paints, exit signs in buildings and wristwatches. It's also considered a relatively benign betavoltaic, providing a continuous flow of low-powered electrons for a good many years.
According to the Environmental Protection Agency, tritium has a half-life of 12.3 years and the Model P100a NanoTritium betavoltaic power source from Toronto's City Labs is claimed to be capable of providing juice to low-power micro-electronic and sensor applications for over 20 years. It's described as robust and hermetically sealed, and the tritium is incorporated in solid form.
Independent testing undertaken by Lockheed Martin during an industry-wide survey also found the technology to be resistant to broad temperature extremes (-50° C to 150° C/-58° F to 302° F), as well as extreme vibration and altitude.
Examples of possible applications for the technology offered by City Labs include environmental pressure/temperature sensors, intelligence sensors, medical implants, trickle charging lithium batteries, semi-passive and active RFID tags, deep space probes, silicon clocks, SRAM memory backup, deep-sea oil well electronics, and lower power processors.
The company reports that it has just been granted a Product Regulatory General License to manufacture, sell, and distribute its NanoTritium battery, making its P100a the first betavoltaic power source to be made available to customers who don't have a radiation license, haven't obtained regulatory approval or undergone special training.
The company's Denset Serralta confirmed that its betavoltaic power source is available now (with a 6 to 8 week lead time) and told us that "price ranges are in the US$1,000s, future price ranges will drop from that or will increase in power output."
City Labs (which is backed by Alienware's co-founder Alex Aguila, currently located within the NASA-sponsored Carrie Meek Business Center in Homestead, Florida and includes betavoltaic pioneer Larry Olsen as Director of Research) says that higher power batteries are currently under development, which could provide tens of microwatts over the long haul as well as short bursts of milliwatt power.

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