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08/15/2011

Researchers Create Battery-less Circuit

 
Circuit-Energy

Researchers in Virginia have created a circuit that uses so little energy that batteries are not even necessary.

A team from Virginia Commonwealth University has devised perhaps the world's most miserly integrated circuit. It could run merely by tapping the ambient energy from the environment.

The researchers created this circuit by combining two electron technologies: spintronics and straintronics.

 Rather than the traditional charge-based electronic switches that encode the basic 0s and 1s of computer lingo, spintronics harnesses the natural spin of electrons to store bits of data. Spin one way and you get a 0; switch the spin the other way and you get a 1. During switching, spintronics uses considerably less energy than charge-based electronics. However, when ramped up to usable processing speeds, much of that energy savings is lost in the mechanism through which the energy from the outside world is transferred to the magnet.

The solution is to use a special class of composite structure called multiferroics. These composite structures consist of a layer of material with close contact to a nonmagnet that changes shape in response to strain. When a tiny voltage is applied across the structure, it generates strain in one layer and is transferred to another layer. This strain rotates the direction of magnetism, achieving the flip.

With the proper choice of materials, the energy output can be as low as 0.4 attojoules, or about a billionth of a billionth of a joule. This proposed design would create an extremely low-power, yet high-density, non-volatile magnetic logic and memory system.

World’s Smallest Battery Created

Battery Redesign Could Reduce Cost of Energy Storage

 


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Wood construction is both cost and energy efficient. Check out Morton Buildings and our designBUILD team online today to discover all the benefits of post-frame construction.


When choosing a metal-clad building for your next construction project, consider Morton Buildings, Inc., and their designBUILD team, we’ll make your dream a reality.

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Our mission is to help our customers manage their buildings' energy costs, improve reliability, and enhance performance while having a positive impact on the environment.
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http://news.mehvac.com/hhlaunch/


Visit our website today to learn about the design flexibility of a Morton building and the endless possibilities of partnering with our designBUILD team.


Wood construction is both cost and energy efficient. Check out Morton Buildings and our designBUILD team online today to discover all the benefits of post-frame construction.


When choosing a metal-clad building for your next construction project, consider Morton Buildings, Inc., and their designBUILD team, we’ll make your dream a reality.

We Can Help You Reduce Energy by 30%

Our mission is to help our customers manage their buildings' energy costs, improve reliability, and enhance performance while having a positive impact on the environment.
CLICK HERE to find out how.

Mitsubishi Electric Cooling & Heating’s new H2i R2-Series heat pumps provide year-round comfort, even in extreme climates. With 100% heating capacity down to 0° F outdoor ambient and simultaneous heating and cooling down to -4° F, our hyper-heating systems bring highly responsive multi-zone comfort to your projects, regardless of climate zone.

http://news.mehvac.com/hhlaunch/


 
03/03/2015

GSA announces plans for construction and repair projects.

03/02/2015

New technology could slash consumption up to 30%.

02/27/2015

Design is low-cost and green while providing more energy storage.

02/26/2015

LEED, IgCC, Standard 189.1 will work in harmony.

02/25/2015

Standard 189.1 seeks to expand renewable energy definition.

02/24/2015

Efficient construction techniques improve housing affordability.

02/23/2015

Guidance to improve energy efficiency of all aspects of data center operation.

02/20/2015

Model shows new technology could keep buildings standing after disasters.

02/19/2015

Expected to produce 550 megawatts of renewable energy.

02/18/2015

Best practices for infection prevention linked to hand irritation.

02/17/2015

State policies may not cut greenhouse gas emissions.

02/16/2015

New materials could cut initial costs for solar technology.

02/13/2015

Fannie Mae recognizes value of sustainable design.

02/12/2015

Localized technology could dramatically cut HVAC energy usage.

02/11/2015

Government energy consumption continues its decline.

02/10/2015

Study shows renewable option has economic potential.

02/09/2015

Proposed guideline would standardize collision deterrence testing.

02/06/2015

Illinois repeats as top state for green-certified buildings.

02/05/2015

New system to help FMs find the greenest products.

02/04/2015

Combination of cyber and physical measures to prevent electricity theft.

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