article thumbnail

Tesla claims Powerwall with solar is cheaper than a backup generator

Electrek

Tesla has released a new comparison report claiming Powerwall with solar is cheaper than a traditional backup generator. more… The post Tesla claims Powerwall with solar is cheaper than a backup generator appeared first on Electrek.

Solar 141
article thumbnail

Japan team evaluates battery-assisted low-cost hydrogen production from solar energy

Green Car Congress

For comparison, the US DOE’s 2020 target for the levelized cost of hydrogen (production only) is $2.30/kg. The joint research team designed an integrated system capable of adjusting the amount of battery charge/discharge and the amount of electrolysis hydrogen production in relation to the amount of solar power generated. to US$3.00/kg

Low Cost 403
article thumbnail

These are the top 10 solar manufacturers of 2021

Electrek

SolarReviews, a US-based independent comparison website for solar panel brands and installations, has released its first solar manufacturer ranking system. Here are the top 10 solar panel manufacturers in 2021. more… The post These are the top 10 solar manufacturers of 2021 appeared first on Electrek.

Solar 107
article thumbnail

NEDO, Sharp, and Toyota to begin public road trials of electrified vehicles equipped with high-efficiency solar batteries

Green Car Congress

Japan’s NEDO, Sharp Corporation, and Toyota Motor Corporation plan to begin public road trials of electrified vehicles equipped with high-efficiency solar batteries from late July 2019. times higher in comparison with the commercial model Prius PHV (equipped with a solar charging system). Background.

Solar 236
article thumbnail

NREL: Untapped potential exists for blending hydropower, floating PV

Green Car Congress

Hybrid systems of floating solar panels and hydropower plants may hold the technical potential to produce a significant portion of the electricity generated annually across the globe, according to an analysis by researchers at the US Department of Energy’s National Renewable Energy Laboratory (NREL). 2020.08.080.

Solar 418
article thumbnail

ORNL team develops carbon-nanotube-based superlubricity coating

Green Car Congress

In comparison, when dry metals slide past each other, the coefficient of friction is around 0.5. Then the Solar Energy Technologies Office and Vehicle Technologies Office in DOE’s EERE supported the follow-on research. A paper on the coating is published in the journal Materials Today Nano. Resources Chanaka Kumara, Michael J.

Carbon 417
article thumbnail

JCAP researchers propose protocol for standardized evaluation of OER catalysts for solar-fuel systems

Green Car Congress

Electro-catalytic water splitting to produce hydrogen and oxygen is a key element of solar-fuels devices; identifying efficient catalysts for the oxygen evolution reaction (OER) is critical to their realization. Click to enlarge. A paper on their work is published in the Journal of the American Chemical Society.

Solar 236