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Category: sustainability

A wind turbine sitting idle on a calm day or spinning swiftly when power demand is already met poses a problem for renewables, and is one researchers think can be tackled under the sea.

In one vision, could use seawater to essentially store until it’s needed, helping wean humanity off fossil fuels.

“We came up with a solution that we call the battery,” Frits Bliek, CEO of Dutch startup Ocean Grazer told AFP while showing off the at the CES tech fair in Las Vegas.

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All-solid-state batteries are now one step closer to becoming the powerhouse of next-generation electronics, as researchers from Tokyo Tech, National Institute of Advanced Industrial Science and Technology (AIST), and Yamagata University introduce a strategy to restore their low electrical resistance. They also explore the underlying reduction mechanism, paving the way for a more fundamental understanding of the workings of all-solid-state lithium batteries.

All-solid-state lithium batteries have become the new craze in and engineering as conventional lithium-ion batteries can no longer meet the standards for advanced technologies, such as electric vehicles, which demand high energy densities, fast charging, and long cycle lives. All-solid-state batteries, which use a instead of a liquid electrolyte found in traditional batteries, not only meet these standards but are comparatively safer and more convenient as they have the possibility to charge in a short time.

However, the solid electrolyte comes with its own challenge. It turns out that the interface between the positive electrode and solid electrolyte shows a large electrical whose origin is not well understood. Furthermore, the resistance increases when the electrode surface is exposed to air, degrading the battery capacity and performance. While several attempts have been made to lower the resistance, none have managed to bring it down to 10 Ω cm2 (ohm centimeter-squared), the reported interface resistance value when not exposed to air.

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Lithium metal batteries could store much more charge in a given space than today’s lithium-ion batteries, and the race is on to develop them for next-gen electric vehicles, electronics and other uses.

But one of the hurdles that stand in the way is a silent battle between two of the battery’s parts. The liquid between the battery electrodes, known as the electrolyte, corrodes the surface of the lithium metal anode, coating it in a thin layer of gunk called the solid-electrolyte interphase, or SEI.

Although formation of SEI is believed to be inevitable, researchers hope to stabilize and control the growth of this layer in a way that maximizes the battery’s performance. But until now they have never had a clear picture of what the SEI looks like when it’s saturated with electrolyte, as it would be in a working battery.

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Aluminium Air batteries have been a thing for a while — but now a UK inventor says he’s solved one of the biggest problems with them — the toxicity of the electrolyte they’ve traditionally used.

Does this make Aluminium Air batteries viable?

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Net-zero architecture is what will reduce emissions from the construction industry on a large scale. But make it inclusive as well as scalable and you also get a solution that can lift homeowners out of poverty while building a community! Created for that very purpose, these solar homes are aiming to help solve both the global housing and climate crises with one design. The houses produce their energy, harvest 100% of the rainwater, clean their sewage, and also have the potential to grow their own food!

It is called the PowerHYDE housing model and was created by Prasoon Kumar and Robert Verrijt of Billion Bricks from India and Singapore. The model explores sustainable solutions to empower and facilitate growth opportunities for people without homes around Southeast Asia which has a lot of rural and low-income populations. These homes not only provide shelter but are also a power module to scale sustainable communities that lift homeowners out of poverty!

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Recently, a group of Manchester Institute of Science and Technology researchers made a major breakthrough in the graphene based desalination process. They were able to remove 97% of common salts in an energy efficient way. The current reverse osmosis desalination technology is energy intensive, and desalination plants’ capital costs are high. By the year 2025, 14% of the world’s population will experience water scarcity, which makes this discovery very important. Moreover, graphene-based filtration technology could come to your kitchen very soon.

Links to their work — https://www.nature.com/articles/nnano.2017.21#:~:text=Abstract, of%20common%20salts4%2C6. 0, https://science.sciencemag.org/content/343/6172/752

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It’s the first flying car firm to be granted a safety certificate in Japan.

SkyDrive, the Tokyo-based startup developing a personal eVTOL aircraft, revealed its ultra-light compact flying car, the SD-03, on the show floor at the Consumer Electronics Show (CES) this week.

That makes it the first time the company has showcased its technology outside of Japan, a symbol of the global ambitions of the firm, which aims to kickstart a flying taxi service by 2025.

A flying car built for ‘door-to-door’ transportation

**“SkyDrive’s flying car is designed to vertically take off and land with superb stability and this emission-free electric vehicle enables fast and safe door-to-door transportation anywhere, including uses for emergency rescue,” the company said in its release.

The first flying car firm to be granted a safety certificate in Japan. SkyDrive, the Tokyo-based startup developing a personal eVTOL aircraft, r.

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Bad Neuenahr-Ahrweiler 21/12/2021. The power plant of technical service providers Faber Infrastructure and YESSS Elektro illuminates St. Pius Church and supplies two construction planning office containers with environment-friendly solar power. This is where the consulting engineers of the Ahr Valley Cooperation prepare their damage surveys for the residents affected by the flood disaster in Rhineland-Palatinate’s Ahr Valley – strictly on a cost-covering basis and not for profit.

See also: Economic losses from weather extremes amplify each other.

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Lakeview Generating Station was once a coal plant in Mississauga, a suburb of Toronto. But now, developers are reimagining it to become a mixed-use, lakefront village, where residents can walk or bike anywhere within the site in just 15 minutes.

Lakeview Village, as the new development will be named, will reclaim access and views of the lake, both of which the former coal plant had restricted for locals. As reported by Fast Company, the government shut down the plant in 2005, and initially planned to replace it with a gas-fired power plant. But the community protested this idea, instead pushing for the site to become something meaningful for the residents.

“There were a lot of grassroots community efforts that really resisted and had a more ambitious vision for what the waterfront could be here, toward a mixed-use, sustainable waterfront community,” Brian Sutherland, vice president of development at Argo Development Corporation, told Fast Company. Argo is leading the redevelopment project.

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