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Cheaper flow batteries with new membrane

US scientists claim to have discovered a membrane which could lead to cheaper large scale flow batteries. The material is an ion-selective, aqueous-compatible polymer with intrinsic microporosity known as AquaPIM and is said to have tunable thickness and high conductivity in aqueous electrolytes.

Solar will turn vicious water-energy-climate cycle into virtuous loop

The International Water Management Institute is promoting the Solar Irrigation for Agricultural Resilience (SoLAR) initiative to expand the use of solar irrigation systems throughout Bangladesh, India, Nepal, and Pakistan. Proponents of solar irrigation pumps say that they can have a strong positive impact on groundwater.

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Korean researchers announce flexible CIGS solar cell with 20.4% efficiency

The thin-film cell was manufactured through a low-temperature process and doping with alkali elements.

Italian inverter maker confirms no ABB jobs will be lost in India

Fimer’s takeover of the inverter business of the Swiss conglomerate will not affect job numbers at ABB’s Indian production facilities, according to the new owner of the combined business.

Integrating stress and temperature sensors in crystalline silicon cells

Fraunhofer ISE researchers have integrated stress and temperature sensors within a PV module. They claim that the devices cover a very minimal part of the cells, and that their interaction with the module and the cell itself is quite limited. The sensors can be manufactured as part of a regular cell manufacturing process.

Recycling lead-acid batteries for perovskite solar cell manufacturing

Researchers from China are proposing to use spent battery lead for creating a perovskite that can be used in the production of solar cells that are based on this promising material. The proposed one-step process, which was tested in the production of a 17.38% efficient perovskite heterojunction cell, is said to be cheaper and less energy-intensive than other recycling processes for waste lead from lead-acid batteries.

How do solar cells work underwater?

Although cells lose much of their power yield when submerged, they may not be useless. Researchers in India say submerged cells could be used in monitoring sensors and for other commercial and defense applications. An amorphous silicon cell from Panasonic was tested in their study.

Indian scientists develop multi-level inverter for solar water pumps

Researchers from the Vellore Institute of Technology have tested a new inverter topology with a single-phase, induction-motor water pump. The seven-level inverter, with five power semiconductor switches, is said to be particularly efficient at reducing switching losses thanks to a pulse width modulation technique.

A multi-level inverter for solar water pumps

Scientists in India have tested a new inverter topology with a single-phase, induction-motor water pump. The seven-level inverter, with five power semiconductor switches, is said to be particularly efficient at reducing switching losses thanks to a pulse width modulation technique.

Assessing the impact of micro-cracks in solar glass

A Turkish research team has analyzed how big changes in temperature can affect absorbance, light transmittance and reflectivity in two types of solar glass. The scientists demonstrated lower efficiency in solar cells and the glass itself were attributable to a large number of micro-cracks and deformations on the glass surface.

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