Current Energy efficiency News and Events

Current Energy efficiency News and Events, Energy efficiency News Articles.
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CsPbBrI2 perovskites with low energy loss for high-performance indoor and outdoor photovoltaics
Large energy loss in the device has limited a further increase in efficiency and commercialization. Recently, a research team led by Prof. Zhao-Kui Wang from Soochow University was using (NH4)2C2O4* H2O to treat CsPbBrI2 perovskite film during spin-coating. The CsPbBrI2 underwent secondary crystallization to form high quality films with micrometer-scale and low trap density. (2020-11-25)

Minimal waste production is a fundamental law for animal locomotion
Is there a unifying principle underpinning animal locomotion in its rich diversity? The thermodynamic analysis shows why and how waste minimization prevails on efficiency or power maximization when it comes to free locomotion irrespective of the available mode and gaits. (2020-11-25)

Stanford scientists invent ultrafast way to manufacture perovskite solar modules
High-speed manufacturing could advance the commercialization of perovskite modules, a green alternative to conventional solar panels made of silicon. (2020-11-25)

Guiding the way to improved solar cell performance
Small molecules could hold the key to enhancing the efficiency of organic solar cells. (2020-11-24)

Efficient and durable perovskite solar cell materials
POSTECH professor Kilwon Cho's research team fabricates highly efficient and stable perovskite solar cells through molecular designing of organic spacers. (2020-11-24)

Attosecond interferometry in time-energy domain
Analogous to the conventional spatial double-slit experiment, the time domain Young's experiment can be realized by using temporal slits for diffraction instead, and fringes in the energy domain are expected. As a time-energy domain interferometric device, the temporal Young's interferometer is anticipated to possess advantageous time resolving capability and holds the promise of tracking ultrafast processes. Scientists from China developed an all-optical attosecond few-slit interferometer and demonstrated its applications in time-energy domain high precision measurement (2020-11-24)

Unlocking cheaper chemicals
A new technique to make cheaper more efficient biological enzyme hybrids could have valuable applications in future water recycling, targeted drug manufacturing and other industries, Flinders University green chemistry researchers say in a new publication. The model enzyme system, which immobilises a catalyst enzyme hybrid for continuous flow use in the high-speed vortex fluidic device, showed a 16-fold increase in its efficiency, the researchers say in American Chemical Society journal, ASC Applied Materials & Interfaces. (2020-11-22)

Highly efficient, long-lasting electrocatalyst to boost hydrogen fuel production
The IBS research team developed a highly efficient and long-lasting electrocatalyst for water oxidation using cobalt, iron, and a minimal amount of ruthenium. (2020-11-20)

Using materials efficiently can substantially cut greenhouse gas emissions
Emissions from the production of materials like metals, minerals, woods and plastics more than doubled in 1995 - 2015, accounting for almost one-quarter of all greenhouse gas (GHG) emissions worldwide. Material efficiency needs to play a larger role in climate planning, a new report says. (2020-11-18)

Faster detection of photocatalyst-generated oxygen has big implications for clean energy
In the future, hydrogen produced from sunlight and water using photocatalysts could provide a source of clean energy. Collaboration between researchers at Japanese universities has led to the development of a method to detect the oxygen produced from this water-splitting reaction 1000 times faster. This new method can be utilized to improve our understanding of artificial photosynthesis' reaction mechanisms and could contribute towards the development and large-scale implementation of photocatalyst technology for producing hydrogen fuel. (2020-11-18)

Portable solar-powered device for sterilizing medical equipment in the field
By integrating a transparent, cloud-like aerogel with a solar heater, scientists can now efficiently trap solar energy to generate steam that is hot enough and at high enough pressure for sterilizing medical instruments even under hazy and partly cloudy weather. The solar thermal device, reported November 18 in the journal Joule, may help alleviate infection-related healthcare burden and facilitate the adoption of solar energy as a potential power source in resource-limited regions. (2020-11-18)

NREL advanced manufacturing research moves wind turbine blades toward recyclability
A new material for wind blades that can be recycled could transform the wind industry, rendering renewable energy more sustainable than ever before while lowering costs in the process. The use of a thermoplastic resin has been validated at the National Renewable Energy Laboratory (NREL). Researchers demonstrated the feasibility of thermoplastic resin by manufacturing a 9-meter-long wind turbine blade using this novel resin, which was developed by a Pennsylvania company called Arkema Inc. (2020-11-17)

No losses: Scientists stuff graphene with light
Physicists from MIPT and Vladimir State University, Russia, have achieved a nearly 90% efficiency converting light energy into surface waves on graphene. They relied on a laser-like energy conversion scheme and collective resonances. (2020-11-16)

Surrey reveals simple method to produce high performing Lithium Selenium batteries
Engineers at the University of Surrey have developed a simple and elegant method of producing high-powered lithium-selenium (Li-Se) batteries. (2020-11-16)

Success in controlling perovskite ions' composition paves the way for device applications
Hybrid organic-inorganic perovskites have received much attention as potential next generation solar cells and as materials for light-emitting devices. Kobe University's Associate Professor TACHIKAWA Takashi (of the Molecular Photoscience Research Center) and Dr. KARIMATA Izuru (previously a graduate student engaged in research at the Graduate School of Science) have succeeded in completely substituting the halide ions of perovskite nanocrystals while maintaining their morphology and light-emitting efficiency. (2020-11-13)

New green materials could power smart devices using ambient light
Researchers have developed environmentally friendly materials that could harvest enough energy from indoor light to power wireless smart devices. (2020-11-13)

C4 rice's first wobbly steps towards reality
An international long-term research collaboration aimed at creating high yielding and water use efficient rice varieties, has successfully installed part of the photosynthetic machinery from maize into rice. (2020-11-12)

Special issue: Cooling in a Warming World
In this special issue of Science, Cooling in a Warming World, three Perspectives and three Reviews highlight the wide array of new and improved technologies and solutions that aim to keep us and the materials we rely on cool, in our rapidly warming planet. (2020-11-12)

Study reveals how to improve natural gas production in shale
A new hydrocarbon study contradicts conventional wisdom about how methane is trapped in rock, revealing a new strategy to more easily access the valuable energy resource. (2020-11-12)

Researchers discover a new way to produce hydrogen using microwaves
A team of researchers from the Universitat Politècnica de València and the Spanish National Research Council has discovered a new method that makes it possible to transform electricity into hydrogen or chemical products by solely using microwaves - without cables and without any type of contact with electrodes. (2020-11-11)

Turning heat into power with efficient organic thermoelectric material
Thermoelectric materials can turn a temperature difference into electricity. Organic thermoelectric materials could be used to power wearable electronics or sensors; however, the power output is still very low. An international team led by Jan Anton Koster, Professor of Semiconductor Physics at the University of Groningen, has now produced an n-type organic semiconductor with superior properties that brings these applications a big step closer. Their results were published in the journal Nature Communications. (2020-11-11)

New strategy to 'buffer' climate change: developing cheaper, eco-friendly solar cells
Solar power is an eco-friendly alternative to conventional, non-renewable sources of energy. However, current solar panels require the use of toxic materials as buffers, which is not sustainable. To this end, a team of scientists in Korea developed a new eco-friendly alternative, called the ZTO buffer, which can overcome this limitation. This new development to make solar panels even more sustainable is indeed a cherry on top. (2020-11-11)

Invisible organic light-emitting diodes reach new world record
You can't see it with the naked eye, but a new fluorescent organic light-emitting diode (OLED) could shed light on the development of innovative applications in devices such as smartphone and television displays using near-infrared light. Created through the combined work of engineers from Polytechnique Montréal and chemists from Université de Montréal, this fluorescent OLED is 300% more efficient than existing OLEDs in its category. The research team published today details in the journal Advanced Functional Materials. (2020-11-11)

Solar perovskite production on a roll
High-performance perovskite solar cells are made using a manufacturing-friendly liquid-based process suitable for roll to roll production. (2020-11-10)

Induced liver regeneration enhances CRISPR/Cas9-mediated gene repair
Use of thyroid hormone to boost hepatocyte proliferation enhanced the efficiency of CRISPR/Cas9-mediated gene correction in the mouse liver. This dietary induction of hepatocyte regeneration may be a viable clinical strategy to enhance gene repair in the liver. (2020-11-10)

For asymbiotic growth of arbuscular mycorrhizal fungi, feed them fatty acids
Scientists around the world have been working to grow arbuscular mycorrhizal fungi without their host plants because they can be used as organic fertilizer in agriculture and forestry. AM fungi help plants receive nutrients from the soil through a network that is efficient and far more reaching than their own roots can provide. Shinshu University group successfully demonstrated that AM fungi can be grown asymbiotically when given myristate as a carbon and energy source. (2020-11-09)

Policy, not tech, spurred Danish dominance in wind energy
In a new study focused on Denmark, a global leader in wind energy - a relatively mature and low-cost renewable technology - researchers found that government policies have been the primary driver of that industry's growth and development. (2020-11-06)

Terminator salvation? New machine learning program to accelerate clean energy generation
A new type of machine learning model will predict the efficiency of materials that can be used in next-generation organic solar panels, including 'virtual' compounds that don't exist yet. The program is free and easy to use for scientists and engineers creating prototype devices. (2020-11-06)

Next-generation computer chip with two heads
EPFL engineers have developed a computer chip that combines two functions - logic operations and data storage - into a single architecture, paving the way to more efficient devices. Their technology is particularly promising for applications relying on artificial intelligence. (2020-11-05)

Corn and other crops are not adapted to benefit from elevated carbon dioxide levels
Although rising carbon dioxide levels can boost plant growth, a new review from the University of Illinois shows that some crops, including corn, are adapted to a pre-industrial environment and cannot distribute their resources effectively to take advantage of extra CO2. (2020-11-05)

Solar cells of the future
Organic solar cells are cheaper to produce and more flexible than their counterparts made of crystalline silicon, but do not offer the same level of efficiency or stability. During his doctoral thesis, Andrej Classen, who is a young researcher at FAU, demonstrated that increases in efficiency can be achieved using luminescent acceptor molecules. (2020-11-03)

Students develop tool to predict the carbon footprint of algorithms
Within the scientific community, it is estimated that artificial intelligence -- otherwise meant to serve as a means to effectively combat climate change -- will become one of the most egregious CO2 culprits should current trends continue. To raise awareness about the challenge, two University of Copenhagen students have launched a tool to calculate the carbon footprint of developing deep learning models. (2020-11-03)

Squid jet propulsion can enhance design of underwater robots, vehicles
Squids use a form of jet propulsion that is not well understood, especially when it comes to their hydrodynamics under turbulent flow conditions. Discovering their secrets can help create new designs for bioinspired underwater robots, so researchers are exploring the fundamental mechanism. They describe their numerical study in Physics of Fluids; among their discoveries, they found that thrust production and efficiency are underestimated within laminar, or nonturbulent, flows. (2020-11-03)

Building cities with wood would store half of cement industry's current carbon emissions
A new study has found that shifting to wood as a building construction material would significantly reduce the environmental impact of building construction. If 80% of new residential buildings in Europe were made of wood, and wood was used in the structures, cladding, surfaces, and furnishings of houses, the buildings would store 55 million tons of carbon dioxide a year. That is equivalent to about 47% of the annual emissions of Europe's cement industry. (2020-11-02)

Room temperature conversion of CO2 to CO: A new way to synthesize hydrocarbons
Researchers at the National Institute of Standards and Technology (NIST) and their colleagues have demonstrated a room-temperature method that could significantly reduce carbon dioxide levels in fossil-fuel power plant exhaust, one of the main sources of carbon emissions in the atmosphere. (2020-11-02)

The influence of social norms and behaviour on energy use
People tend to conform to what others do and what others regard as right. Do these two social norms influence electric energy consumption? In the prestigious journal Nature Energy, a team of Italian scientists have identified, for the first time, how these norms interact and influence the energy use of hundreds of thousands of Italian households. (2020-11-02)

Boosting the capacity of supercapacitors
Carefully designed covalent organic frameworks could make supercapacitor electrodes that have a greater ability to store electric charge. (2020-11-01)

Graphene-based memory resistors show promise for brain-based computing
As progress in traditional computing slows, new forms of computing are coming to the forefront. At Penn State, a team of engineers is attempting to pioneer a type of computing that mimics the efficiency of the brain's neural networks while exploiting the brain's analog nature. (2020-10-29)

A new method to measure optical absorption in semiconductor crystals
Tohoku University researchers have revealed more details about omnidirectional photoluminescence (ODPL) spectroscopy - a method for probing semiconducting crystals with light to detect defects and impurities. (2020-10-29)

Muscle pain and energy-rich blood: Cholesterol medicine affects the organs differently
Contrary to expectation, treatment with statins has a different effect on blood cells than on muscle cells, a new study from the University of Copenhagen reveals. Today, statins are mainly used in the treatment of elevated cholesterol, but the new results may help design drugs for a number of conditions. (2020-10-29)

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