Energy and Environment

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Researchers develop highly stable perovskite solar cells

A recent study has presented a highly stable perovskite solar cells, using edged-selectively fluorine functionalized graphene nano-platelets. This breakthrough has gotten much attention [...]
In the field of energy, nanotechnology is being used to reduce the cost of catalysts used in fuel cells to produce hydrogen ions from fuel such as methanol and to improve the efficiency of membranes used in fuel cells to separate hydrogen ions from other gases such as oxygen.
Nanoparticles are also useful in the manufacture of solar cells by reducing manufacturing costs (need lower process temperature instead the high temperature vacuum deposition) and installation costs by producing flexible rolls (instead crystalline panels).
Regarding batteries, nanotechnology could offer some advantages: to reduce the possibility of catching fire by providing less flammable electrode material, to increase the available power and decreasing the required recharge  time by coating the surface of an electrode with nanoparticles, and to increase the shelf life using nanomaterials to separate liquids in the battery from solid electrodes.
Moreover, the shortage of fossil fuels such as diesel and gasoline can be addressed by making the production of fuels from low grade raw materials cheaper, increasing the mileage of engines, and making the production of fuels from normal raw materials more efficient.
It is also possible to increase the electricity generated by windmills using epoxy containing carbon nanotubes. The resulting blades are stronger and of lower weight, and therefore the amount of electricity generated by each windmill is greater.
Nanotechnology also has the potential to revolutionize the agri-food industry with novel tools for molecular management and rapid disease detection, improving plants' ability to absorb nutrients, controlling insects with the use of bio-pesticides, and monitoring conditions environmental conditions of the plant. Researchers are working in the use, for instance, of microsensors made from silica and carbon to monitor the presence of pathogens.
Another well-known use of nanotechnology is wastewater treatment. One challenge is the removal of industrial water pollution. Nanoparticles can be used to convert the contaminating chemical in underground ponds through a chemical reaction to make it harmless. Another challenge is the removal of salt or metals from water by a deionization method using electrodes composed of nano-sized fibers, or improve the filtration of virus cells using nanostructured catalytic membranes. Therefore, due to their unique activity toward recalcitrant contaminants and application flexibility, nanomaterials offer the potential for treatment of surface water, groundwater and wastewater contaminated by toxic metal ions, organic and inorganic solutes, and microorganisms.
Nanostructured membranes are also used from industrial plant exhaust streams to improve air quality, and catalysts serve to reduce air pollution. For instance, researchers have demonstrated a catalyst, in which gold nanoparticles have been embedded, that breaks down VOCs at room temperature.

 

Application Product or article Improved properties Nanomaterials
Energy Catalyst
Scrubbers and membranes to separate CO2 form power plant exhaust
Wires
Nanostructured solar cells
Windmill
Thin-film solar electric panels
Flexible piezoelectric nanowires woven into clothing
High-power rechargeable battery systems
Semiconductors thin films
Batteries

Nuclear reactors

Higher durability
Higher resistance
Reduced weight
Higher efficiency of fuel production
Barrier properties
Higher thermal resistance
Electromagnetic interference
Higher electrical conductivity
Power conversion efficiency
Reduced fuel consumption
Higher efficiency combustion
Reduced transmission power loss
Higher efficiency of lighting systems
Lower costs
Less flammability
Carbon nanotubes
Graphene
Nanoplatinum
Quantum dots
Gold nanowires
Environment Controlled release nanocapsules
Bioactive nanoparticles
Nanosorbents
Nanocatalysts
Nanostructured catalytic membranes
Waste water treatment filters
Sensors for chemical vapours
Better release of  of pesticides, fertilizers and other agrochemicals
Genetic modification
Regulation of plant metabolism
Better crop production
Effective filtration
Sensing properties
Nanosilica
Carbon
Palladium pellets
Gold pellets
Graphene oxide
Graphene
Carbon nanotubes
Zinc oxide nanowires

That’s being said on nano & energy & environment


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  • Fortum-Rusnano fund...

    ...nanotechnology company Rusnano. It won 1,823 MW of wind power capacity in the country’s wind auctions held this and last year. These projects will benefit from a guaranteed CSA price corresponding to between RUB 7,000 (USD 105/EUR 93) per MWh and RUB 8,000/MWh for a period of 15 years. In October, the fund took the investment decision for a 200-MW wind project, having already chosen to proceed with a 50-MW scheme. Completion for the smaller wind park is scheduled for the first half of […]

  • Saudi Aramco to...

    ...energy sector and also discussed the Fourth Industrial Revolution, where smart digital technology has become an inseparable part of businesses. The strategy of Saudi Aramco’s Power Systems Department is in harmony with Vision 2030 objective of making the kingdom a global energy hub and the company’s local content strategy represented in the In-Kingdom Total Value Add (IKTVA) program, both of which require a comprehensive transformation in technical and vocational training, said […]

  • Oxford Instruments...

    ...nanotechnology. Its key market sectors include nano-fabrication and nano-materials. The company’s strategy is to expand the business into the life sciences arena, where nanotechnology and biotechnology intersect This involves the combination of core technologies in areas such as low temperature, high magnetic field and ultra high vacuum environments; Nuclear Magnetic Resonance; X-ray, electron, laser and optical based metrology; atomic force microscopy; optical imaging; advanced […]

  • SUNY Poly...

    ...nanotechnology and human stem cell-derived neural cell therapies to create an effective treatment platform for spinal cord injuries in patients, in addition to a $162,000 sub-award from the New York State Health Department—NYSTEM Innovative, Developmental, or Exploratory Activities (IDEA) program for collaborative research with the University at Albany to identify new types of injury and repair biomarkers based on cell communication to benefit prognosis or diagnosis of traumatic brain […]

  • New Technologies...

    ...batteries, and cameras, super fast mobile communications, and lidar, a remote sensing method using laser light pulses. These technologies are all getting better and cheaper every year, as computer chips have been doing for the past fifty years. The innovations are building upon each other, thrusting us into an era of exponential technological change. Benefits will spring from the dramatic speedup of capabilities such as self-driving cars. But avoiding the thirty thousand traffic deaths we […]

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