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They have developed it in an attempt to scale down power sources for the tiny devices that fall under the category of micro- and nano-electromechanical systems (Mems and Nems). And although the whole idea hinges on the use of radioactive materials, the devices are safe under normal operating conditions. It would be exciting to carry a Nuclear powered device in your pocket and that day may come very soon; thanks to the work of Dr Jae and his assosiates. TechChunks is a Technology Geek, Web Entrepreneur, SEO Consultant and Social Media Evangelist. Windows 10: Speech Recognition Performance And Accuracy If you're moving from Windows 7 to Windows 10, you'll notice a slight improvement to the speech recognition interface in the new version. Review: IRulu X9 9 inch Android Tablet [x1943] This is a review for the iRulu eXPro X9 9 inch Android quad core tablet. An article was published on BBC about Nuclear Batteries the size of a dime and a MILLION time the charge of a normal battery- A million – that’s 1,000,000.
But this is not a new concept, Nuclear Batteries have been used for military and aerospace applications, but historically been much bigger. Automakers have been struggling with the issue of how to charge their cars, but what if you didn’t have to.
Having a power source that could provide that kind of power, you’d never have to buy a battery for a laptop or Netbook. Nuclear batteries are an attractive proposition for many applications because the isotopes that power them can provide a useful amount of current for phenomenally long times – up to hundreds of years or more.
Always looking for better and more efficient ways to power our stuff, researchers at the University of Missouri recently created the smallest, most efficient nuclear battery ever.
Efficient cost effective energy storage is considered to be the holy grail for renewable energy implementation. Effective energy storage would allow for clean energy sources to be over-sized such that power can be stored and released when needed.
A team of Harvard scientists and engineers has demonstrated a rechargeable battery that could make storage of electricity from intermittent energy sources like solar and wind safe and cost-effective for both residential and commercial use. The mismatch between the availability of intermittent wind or sunshine and the variability of demand is a great obstacle to getting a large fraction of our electricity from renewable sources.
In the operation of the battery, electrons are picked up and released by compounds composed of inexpensive, earth-abundant elements (carbon, oxygen, nitrogen, hydrogen, iron and potassium) dissolved in water. This new battery chemistry was discovered by post-doctoral fellow Michael Marshak and graduate student Kaixiang Lin working together with co-lead author Roy Gordon, Thomas Dudley Cabot Professor of Chemistry and Professor of Materials Science at Harvard. We combined a common organic dye with an inexpensive food additive to increase our battery voltage by about 50 percent over our previous materials,” says Gordon.
Unlike solid-electrode batteries, flow batteries store energy in liquids contained in external tanks, similar to fuel cells. The active components of electrolytes in most flow battery designs have been metal ions such as vanadium dissolved in acid.

But bromine’s toxicity and volatility make it most suitable for settings where trained professionals can deal with it safely behind secure fences. Because ferrocyanide is highly soluble and stable in alkaline rather than acidic solutions, the Harvard team paired it with a quinone compound that is soluble and stable under alkaline conditions, in contrast to the acidic environment of their original battery developed last year. Marshak compares exposure to the concentrated alkaline solution to coming into contact with a damaged disposable AA battery. Now we’re seeing the possibility of engineered molecules giving us the properties and attributes that we want in one complete system.
It should be expected that this flow battery approach will have a short development and scale-up path for fast commercial introduction. Harvard’s Office of Technology Development has been working closely with the research team to navigate the shifting complexities of the energy storage market and build relationships with companies well positioned to commercialize the new chemistries.
A cloud comes over your solar installation and BAM – the production goes crashing down. In addition to Aziz, Gordon, Marshak, and Lin, coauthors of the Science paper include Qing Chen, Michael R. Human Verification: In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic. Prior to starting this blog, TechChunks has spent many productive years as a Software Engineer, Wordpress Blogger, Corporate Trainer, Frequent Conference Speaker and Workshop Leader. But for that matter, think of cell phones, microwaves, X-ray machines, and whatnots… Even though their manufacturers might not accept, they are as dangerous as any other gadget that can emit radiation!
My entrance in to streaming video and Internet content with set top boxes is really an experience that I would classify as 'testing the waters'. This version is a tour de force in handling and editing PDF documents; replacing their PDF Converter v8 Pro.
What if all you had to do was buy a new battery pack after 50k miles; or something in that range. Microsoft completely abandoned Windows Live Writer couple of years ago and there hasn't been any active development on the application for a while.
They chose to work with a radioisotope battery rather than a chemical battery because the radioisotope battery provides a drastically higher power density. Solar and wind energy are disrupted at times which means that other types of energy generation must be available to switch on instantaneously to ensure no disruption of service to customers. The new research builds on earlier work by members of the same team that could enable cheaper and more reliable electricity storage at the grid level. The compounds are non-toxic, non-flammable, and widely available, making them safer and cheaper than other battery systems. Aziz, Gene and Tracy Sykes Professor of Materials and Energy Technologies at Harvard Paulson School of Engineering and Applied Sciences (SEAS), and project Principal Investigator.
The findings “deliver the first high-performance, non-flammable, non-toxic, non-corrosive, and low-cost chemicals for flow batteries.

The tanks (which set the energy capacity), as well as the electrochemical conversion hardware through which the fluids are pumped (which sets peak power capacity), can be sized independently. The metals can be expensive, corrosive, tricky to handle, and kinetically sluggish, leading to inefficiencies. Their new battery, described in a paper published today in the journal Science, replaces bromine with a non-toxic and non-corrosive ion called ferrocyanide. Because it is non-corrosive, the flow battery system components can be constructed of simpler and much less expensive materials such as plastics.
More work is required and justified but the Harvard team is really demonstrating the promise of next-generation chemistries. In some states, as well as many parts of the world, if it can’t be instantaneously used by meeting electricity demand, solar energy incident on solar panels goes to waste unless the electricity is stored.
But the flow battery design engineered by Aziz and his Harvard colleagues offers potential advantages in cost and the length of time it can maintain peak discharge power compared to lithium batteries. While scientists are finding ways to make them smaller but even more powerful, problems can arise when these batteries are much larger and heavier than the devices themselves. They’re already being used in underwater systems, pacemakers and various space satellites. Since the amount of energy that can be stored can be arbitrarily increased by scaling up only the size of the tanks, larger amounts of energy can be stored at lower cost than traditional battery systems. Last year, Aziz and his Harvard colleagues demonstrated a flow battery that replaced metals with organic (carbon-based) molecules called quinones, which are abundant, naturally occurring chemicals that are integral to biological processes like photosynthesis and cellular respiration. However, in many states, customers have the right to sell electricity produced by rooftop solar panels at high consumer rates under a regulatory scheme called net metering. University of Missouri researchers are developing a nuclear energy source that is smaller, lighter and more efficient.
In the days of Windows Live Writer, there was never an official user manual for the application from Microsoft, just a bunch of websites with some how to's. While quinones in aqueous solution formed the negative electrolyte side of the battery, the positive side relied on a conventional bromine-bearing electrolyte that is used in several other batteries. The University of Missouri team says that the batteries hold a million times as much charge as standard batteries.
Based on their findings so far, they believe they can make the battery even more powerful and shrink it to less than the width of a human hair. The high performance and low cost of the technology, which Harvard has licensed to a company in Europe, hold the potential to provide scalable grid-level storage solutions to utilities. Interestingly, Nuclear batteries have been in use for military and aerospace applications, but are typically far larger.

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