L R AS Published on Sunday 11 October 2020 - n° 335 - Categories:cells
New metallisation with copper
To ensure contact between solar cells, Fraunhofer ISE has developed and tested a new laser printing process using copper in test production. The process consists of two steps:
AS Published on Sunday 11 October 2020 - n° 335 - Categories:cells
To increase efficiency, will it be necessary to switch to all-perovskite tandem cells?
Scientists are now analysing all-perovskite tandem cells (where two perovskite cells
L R AS Published on Sunday 11 October 2020 - n° 335 - Categories:cells
Will cells be selected according to their impact on the environment?
Perovskite-based cells could become more environmentally friendly than silicon cells due to their increased energy efficiency.
At present, only single-junction bifacial cells are used,
AS Published on Monday 5 October 2020 - n° 334 - Categories:brochures, cells
The 210 mm wafer format (the M12) is becoming the standard.
The rapid increase in interest in 210 mm wafers is reflected in the growing cell production capacity.
Since the recommendation of this M12 wafer format (210 mm) in September 2019, a more mature supply chain has been built up.
AS Published on Saturday 26 September 2020 - n° 333 - Categories:cells
Air-bridge thermo-photovoltaic cell with 30% efficiency
An air-bridge thermo-photovoltaic cell achieves an efficiency of 30% and a reflectance of 99%.
American scientists at the University of Michigan have developed a thermo-photovoltaic (TPV) cell that could be coupled with inexpensive thermal storage to provide energy on demand. This TPV cell
L R AS Published on Friday 18 September 2020 - n° 332 - Categories:perovskite, cells
How do silicon-perovskite tandem cells react to strong insolation?
In Saudi Arabia, different cells have been placed to test their reaction to high temperatures. Although each cell was set to match the current of the other to prevent the cells from interfering with each other's performance, it was found that
L R AS Published on Friday 18 September 2020 - n° 332 - Categories:cells
Tainergy will produce SiC cells in early 2021
Taiwanese manufacturer Tainergy is currently testing SiC cells. Production will begin in the first quarter of 2021. They will be used
L R AS Published on Saturday 12 September 2020 - n° 331 - Categories:fundamentals, fundamentals PV, cells, IBC. heterojunction
Heterojunction cells are sensitive to light-induced degradation (LID).
Heterojunction cells are sensitive to light-induced degradation (LID). It can lead to an absolute loss of efficiency of up to
L R AS Published on Sunday 6 September 2020 - n° 330 - Categories:cells, panels
Large cells and panels (1st part): offering large formats
The announcement by manufacturers of panels of more than 500 Wp has generated widespread enthusiasm, but also scepticism among experts and those involved in the photovoltaic sector. They are now asking themselves many questions. What is behind all this?
L R AS Published on Sunday 6 September 2020 - n° 330 - Categories:cells, panels
Large cells and panels (part 2): history and why such a format?
The cell in 2017 had a format of 156.75 mm by 156.75 mm (M2). In the second half of 2018, Jinko Solar presented a panel with larger cells (158.75 mm by 158.75 mm). The increase in cell size
L R AS Published on Sunday 6 September 2020 - n° 330 - Categories:cells, panels
Large cells and panels (3rd): the problems they create
Problems created by larger panels and cells
During the survey on large panels and cells, many experts reported numerous disadvantages. They are mechanical and electrical
L R AS Published on Sunday 6 September 2020 - n° 330 - Categories:cells, panels
Large cells and panels (4th): divided opinions
Observers often believe that solar panels of more than 500 W are not a technological breakthrough but a marketing phenomenon. In reality, these very powerful panels make it possible to reduce costs without any major technological innovation. The disadvantages are very widespread.
L R AS Published on Sunday 30 August 2020 - n° 329 - Categories:the manufacturers, cells
Cell manufacturers in the first half of the year
Compared with the corresponding period in 2019, shipments from the top five cell suppliers grew significantly in the first half of the year. Shipments from Tongwei increased by
L R AS Published on Saturday 29 August 2020 - n° 329 - Categories:cells
Efficiency of 24.8% with an N-type cell
Jinko Solar achieved an efficiency of 24.8% with a 268 cm² N-type cell.
PV Tech of 20 July
L R AS Published on Wednesday 26 August 2020 - n° 329 - Categories:the prices, brochures, cells
Sensitive rise in the price of platelets and cells this summer
On August 10, Tongwei increases the price of the cells again, by $0.08 / W for 156.75 mm, 158.75 mm and 166 mm mono cells. By the end of July, LONGi had increased by