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Most single-layer silicon solar cells, because they can only use specific wavelengths of light energy in sunlight, have an efficiency limit of about 32% for absorption and conversion from radiation, which is the well-known "Shawkey-Quieser limit" theory
.
A team of researchers from the Massachusetts Institute of Technology (MIT) recently published a new solar thermophotovoltaic device (STPV) in the journal Nature Energy that can greatly improve energy conversion rates and reduce waste heat
generated by power generation processes.
Traditional solar cells can only convert specific wavelengths of light energy in sunlight into electricity, and cannot use the thermal energy at the same time, so they have to watch them dissipate in the environment
.
The MIT team's new solar cells have an additional nanophotonic crystal structure made of nanophotonic crystal, which can absorb the light energy and heat energy of sunlight at the same time and convert it into specific wavelengths of light
.
These precisely adjusted rays are then converted into electricity by photovoltaic cells, effectively improving power generation efficiency
.
Theoretically, this new technology could double the power generation of specific blocks of solar panels, but due to some difficulties in the manufacture of carbon nanotubes, it will not be able to quickly spread in a few years, but the team believes that the results of this experiment are significant: "This is the latest record of solar thermal photovoltaic technology that we know, and it has a good chance of being applied in the industry
.
" ”
Most single-layer silicon solar cells, because they can only use specific wavelengths of light energy in sunlight, have an efficiency limit of about 32% for absorption and conversion from radiation, which is the well-known "Shawkey-Quieser limit" theory
.
A team of researchers from the Massachusetts Institute of Technology (MIT) recently published a new solar thermophotovoltaic device (STPV) in the journal Nature Energy that can greatly improve energy conversion rates and reduce waste heat
generated by power generation processes.
Traditional solar cells can only convert specific wavelengths of light energy in sunlight into electricity, and cannot use the thermal energy at the same time, so they have to watch them dissipate in the environment
.
The MIT team's new solar cells have an additional nanophotonic crystal structure made of nanophotonic crystal, which can absorb the light energy and heat energy of sunlight at the same time and convert it into specific wavelengths of light
.
These precisely adjusted rays are then converted into electricity by photovoltaic cells, effectively improving power generation efficiency
.
Theoretically, this new technology could double the power generation of specific blocks of solar panels, but due to some difficulties in the manufacture of carbon nanotubes, it will not be able to quickly spread in a few years, but the team believes that the results of this experiment are significant: "This is the latest record of solar thermal photovoltaic technology that we know, and it has a good chance of being applied in the industry
.
" ”
