As far back as 1839, the English scientist William Grove had the idea that the reactants of a battery could be gases fed into it from external tanks. For most of their history, fuel cells existed only as laboratory curiosities. But fuel cells have gained much more attention in recent years, with many considering these power sources for applications in vehicles and alternative grid technology.

New research from Harvard University shows just how promising fuel cell technology could be. According to the study, the researchers were able to develop more efficient fuel cells that get more robust as they age instead of degrading.

“The elegance of this process is that it happens naturally when exposed to the electrons in fuel,” says Shriram Ramananthan, lead author of the study and past ECS member. “This technique can be applied to other electrochemical devices to make it more robust. It’s like chess—before we could only play with pawns and bishops, tools that could move in limited directions. Now, we’re playing with the queen.”

batteries-1379208_640In late 2015, a team of Cambridge University researchers led by ECS member Clare Grey, detailed research in the journal Science on the path to the “ultimate” battery. According to the study, the researchers stated they had successfully demonstrated how to overcome many of the problems preventing the theoretically promising lithium-air battery from being commercially viable.

The key component to this research relies on a highly porous, “fluffy” carbon electrode made from graphene. The researchers cautioned that although the preliminary results were very promising, much work was yet to be done to take lithium-air batteries from the lab to the marketplace.

However, the research got many scientists in energy science and technology talking. Like all groundbreaking results, there has been much discussion and some controversy over the research published by Grey and her team.

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Two ECS members from Drexel University have recently been awarded for their exemplary work in the sciences.

Yury Gogotsi 2016Yuri Gogosti, Fellow of ECS and advisor of the Drexel ECS Student Chapter, has been awarded the 2016 Nano Energy Award. The award, presented by the journal Nano Energy, recognizes outstanding research in the field of nano energy, whose work reflects the interdisciplinary nature of the field and helps solves major energy problems facing society.

Gogostsi’s work is highly regarded in the scientific community. Among his most notable accomplishments, Gogotsi was a member of a team that discovered a novel family of two-dimensional carbides and nitrides, which have helped open the door for exceptional energy storage devices. Additionally, Gogotsi’s hand in discovering and describing new forms of carbon and the development of a “green” supercapacitor built of environmentally friendly materials has advanced the field of energy technology.

ekaterinapomerantsevajpgEkaterina Pomerantseva, ECS member and advisor of the Drexel ECS Student Chapter, has been awarded a three-year $360,000 National Science Foundation Division of Materials Research grant for her project, “Advanced Electrochemistry of Na-ion Battery Cathodes Through Chemically Controlled Materials Synthesis.”

Her work looks to address some of the current barriers prevention Na-ion batteries from competing with their Li-ion cousins. Pomerantseva believes that the grant money could help develop sustainable energy storage that is cheaper, reliable, and environmentally friendly – opening the door to next generation energy storage systems and new possibilities for grid storage.

Researchers from the University of Maryland and the U.S. Army Research Laboratory have developed a lithium-ion battery that is safer, cheaper, more powerful, and extremely environmentally friendly – all by adding a pinch of salt.

The team, led by ECS members Chunsheng Wang and Kang Xu, built on previous “water-in-salt” lithium-ion battery research – concluding that by adding a second salt to the water-based batteries, efficiency levels rise while safety risks and environmental hazards decrease.

(WATCH: Wang’s presentation at the fifth international ECS Electrochemical Energy Summit, entitled “A Single Material Battery.”)

“Our invention has the potential to transform the energy industry by replacing flammable, toxic lithium ion batteries with our safe, green water-in-salt battery,” says Wang, professor in the University of Maryland’s Department of Chemical & Biomolecular Engineering. “This technology may increase the acceptance and improve the utility of battery-powered electric vehicles, and enable large-scale energy storage of intermittent energy generators like solar and wind.”

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After Toyota’s 2015 release of the first mass-market fuel cell car, the Japanese automaker is gearing up to release the second generation of its fuel cell vehicle in 2019.

The initial version of the Mirai, which was heralded by Toyota as the ultimate “green car,” could travel up to 300 miles on a single tank of hydrogen and refuel in less than five minutes. The starting price for the vehicle is currently $57,460.

Toyota’s new version of the Mirai promises to be more affordable than its predecessor, potentially making the clean energy vehicle well-received among consumers.

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An infographic that can visually tell the story of climate changes has been making its rounds on the internet.

Brainchild of climate scientists Ed Hawkins and Jan Fuglestvedt, the animation shows how global temperatures have spiraled upwards and outwards since 1850.

The magic number here is 2°C. Once the global temperature hits 2°C above the average temperature between 1850 and 1900, many scientists believe that at least some aspects of climate change will be irreversible.

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With this new development, the diagnosis of fungal infections could go from days to minutes.Image: IPC PAS, Grzegorz Krzyzewski

Image: IPC PAS, Grzegorz Krzyzewski

Fungal infections can often be life-threatening, especially for those with weak immune systems. The current standard test to detect the presence of fungi in a person takes at least a dozen hours, with the results sometimes being unreliable. Now, researchers from the Polish Academy of Science have developed a new device that could allow medical practitioners to more quickly and reliably detect fungal infections, allowing for better and faster overall treatment.

The research team, led by ECS member Wlodzimierz Kutner, devised a chemical sensor that can shorten the detection of the fungi from a few days to just a few minutes.

“The most important element of our sensor is a film of polymer selectively recognizing D-arabitol,” Kutner says. “It captures molecules of D-arabitol, a compound indicating the presence of fungi. The measurement takes only a few minutes, and the D-arabitol is detected with a high degree of certainty even in the presence of interfering substances with a similar molecular structure.”

One of the most critical aspects of the treatment of fungal infections is time. The longer these infections go undetected, the more serious they become. This new development will allow for the quick, reliable detection of fungal infections and more successful administration of appropriate fungal therapy.

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ccc-transparentAs part of our continued commitment to Open Access publishing, ECS is in the process of ensuring an increasingly robust management of article credits, APCs, and APC discounts. ECS is pleased to announce we are partnering with CCC RightsLink, which is a sophisticated self-service system that allows authors to pay the appropriate fee or select the article credit for their articles. CCC RightsLink will help ECS to future-proof its Open Access activities in a sustainable way.

As of May 12, 2016 CCC RightsLink will be fully integrated with our article submission process. Authors will be able to pay color charges, supplemental material fees, and claim Open Access article credits through RightsLink’s self-service portal. (more…)

Making the New Silicon

Shown here is the smallest laptop power adapter ever, made using GaN transistors.
Image: Cambridge Electronics

Recent discussions in the electronics industry have revolved around the future of technology in light of the perceived end of Moore’s law. But what if the iconic law doesn’t have to end? Researchers from MIT believe they have exactly what it takes to keep up with the constantly accelerating pace of Moore’s law.

More efficient materials

For the scientists, the trick is in the utilization of a material other than silicon in semiconductors for power electronics. With extremely high efficiency levels that could potentially reduce worldwide energy consumption, some believe that material could be gallium nitride (GaN).

MIT spin-out Cambridge Electronics Inc. (CEI) has recently produced a line of GaN transistors and power electronic circuits. The goal is to cut energy usage in data centers, electric cars, and consumer devices by 10 to 20 percent worldwide by 2025.

Semiconductors shaping society

Since its discovery in 1947, the transistor has helped make possible many wonders of modern life – including smartphones, solar cells, and even airplanes.

Over time, as predicted by Moore’s law, transistors became smaller and more efficient at an accelerated pace – opening doors to even more technological advancements.

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Researchers around the world have been talking about the potential of “wonder material” graphene since it first entered the field of materials science. However, for all its promising theoretical potential and applications, we’ve yet to see the material make its way to the market. Now, after an announcement by Chinese-based Guangzhous OED Technologies, graphene may make its first appearance in the marketplace within the next year.

The company just announced that they have developed what they are claiming is the “world’s first graphene electronic paper.” The e-paper, which is a display device that mimics the appearance of ordinary ink on paper, is expected to be taken to further heights with this development.

This from Phys:

The group at OED claims to have developed a graphene material that is suitable for use in making e-paper. Doing so, they also claim, allows for creating screens that are more bendable and that are also brighter because they will be able to display light with more intensity. They also suggest that because the end product will be carbon based, it should be cheaper to manufacture than current e-paper products which are based on metal indium.

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