Alternative Energy

Hydrogen Fuel News

The latest hydrogen fuel cell news from our hydrogen and fuel cell technology news sources.

Jan 20, 2021

Hydrogen Fuel Cells

An anode-free zinc battery that could someday store renewable energy

Jan 20, 2021: Renewable energy sources, such as wind and solar power, could help decrease the world's reliance on fossil fuels. But first, power companies need a safe, cost-effective way to store the energy for later use. Massive lithium-ion batteries can do the job, but they suffer from safety issues and limited lithium availability. Now, researchers have made a prototype of an anode-free, zinc-based battery that uses low-cost, naturally abundant materials.

How short circuits in lithium metal batteries can be prevented

Jan 19, 2021: There are high hopes for the next generation of high energy-density lithium metal batteries, but before they can be used in our vehicles, there are crucial problems to solve. An international research team has now developed concrete guidelines for how the batteries should be charged and operated, maximizing efficiency while minimizing the risk of short circuits.

Inexpensive battery charges rapidly for electric vehicles, reduces range anxiety

Jan 18, 2021: Range anxiety, the fear of running out of power before being able to recharge an electric vehicle, may be a thing of the past, according to a team of engineers who are looking at lithium iron phosphate batteries that have a range of 250 miles with the ability to charge in 10 minutes.

Non-Platinum Catalyst for Cheaper Fuel Cells

Jan 14, 2021: For years, hydrogen fuel has been viewed through two prisms including the ability to give us a potential solution for long-term ethical energy, and the mass challenges that we face in turning hydrogen into an affordable form of fuel in the long-term. Along these lines, there has been a push for a development of non-platinum … The post Non-Platinum Catalyst for Cheaper Fuel Cells first appeared on Hydrogen Cars Now.

Giving the hydrogen economy an acid test

Jan 14, 2021: Scientists show that the effectiveness of hydrogen-producing metal catalysts protected by graphene depends on the ability of protons to penetrate into the inner metallic surface. This work may lead to widely available hydrogen-powered cars.

How will we achieve carbon-neutral flight in future?

Jan 13, 2021: Carbon-neutral aviation is possible, but in future, aircraft are likely to continue to be powered by fossil fuels. The CO2 they emit must be systematically stored underground. This is the most economical of various approaches researchers have compared in detail.

Advanced light reveals how different biofuels behave

Jan 12, 2021: Vehicles have evolved to become more efficient and sophisticated, but their fuel hasn't necessarily evolved along with them. Researchers are determined to identify cleaner burning and renewable alternatives to gasoline, and are getting closer to that goal.

Sustainable transportation: Clearing the air on nitrogen doping

Jan 12, 2021: Researchers have identified the active nitrogen atoms in the carbon catalyst of a technology that will help optimize a proposed renewable energy storage technology.

Making hydrogen energy with the common nickel

Jan 12, 2021: To resolve the energy crisis and environmental issues, research to move away from fossil fuels and convert to eco-friendly and sustainable hydrogen energy is well underway around the world. Recently, a team of researchers has proposed a way to efficiently produce hydrogen fuel via water-electrolysis using inexpensive and readily available nickel as an electrocatalyst, greenlighting the era of hydrogen economy.

Carbon monoxide reduced to valuable liquid fuels

Jan 11, 2021: A sweet new process is making sour more practical. Engineers are turning carbon monoxide directly into acetic acid -- the widely used chemical agent that gives vinegar its tang -- with a continuous catalytic reactor that can use renewable electricity efficiently to turn out a highly purified product.

A safer, less expensive and fast charging aqueous battery

Jan 11, 2021: Researchers have developed a new battery anode that overcomes the limitations of lithium-ion batteries and offers a stable, high-performance battery using seawater as the electrolyte.

New process more efficiently recycles excess CO2 into fuel

Jan 11, 2021: For years, researchers have worked to repurpose excess atmospheric carbon dioxide into new chemicals, fuels and other products traditionally made from hydrocarbons harvested from fossil fuels. The recent push to mitigate the climactic effects of greenhouse gases in the atmosphere has chemists on their toes to find the most efficient means possible. A new study introduces an electrochemical reaction, enhanced by polymers, to improve CO2-to-ethylene conversion efficiency over previous attempts.

New nanostructured alloy for anode is a big step toward revolutionizing energy storage

Jan 11, 2021: Researchers have developed a battery anode based on a new nanostructured alloy that could revolutionize the way energy storage devices are designed and manufactured.

Key step taken toward cleaner, more sustainable production of hydrogen

Jan 8, 2021: Efficiently mass-producing hydrogen from water is closer to becoming a reality thanks to new findings.

Hydrogen, 2053 and all that

Jan 6, 2021: by guest blogger Stan Thompson If you’ve ever seen a slow-motion video of a dropped glass object shattering, then—the video reversed—reassembling to form the whole again, you have some notion of futurism. Futurists pay attention to the moving fragments all around us:  which are biggest; how they are shaped and spinning; and the direction toward … The post Hydrogen, 2053 and all that first appeared on Hydrogen Cars Now.

Better together: Scientists discover applications of nanoparticles with multiple elements

Jan 4, 2021: As catalysts for fuel cells, batteries and processes for carbon dioxide reduction, alloy nanoparticles that are made up of five or more elements are shown to be more stable and durable than single-element nanoparticles.

Innovative battery chemistry revolutionizes zinc-air battery

Jan 4, 2021: The zinc-air battery is an attractive energy storage technology of the future. Based on an innovative, non-alkaline, aqueous electrolyte, an international research team has developed a new battery chemistry for the zinc-air battery which overcomes the previous technical obstacles.

It's electrifying! This is how Earth could be entirely powered by sustainable energy

Dec 22, 2020: Can you imagine a world powered by 100% renewable electricity and fuels? It may seem fantasy, but a collaborative team of scientists has just shown this dream is theoretically possible - if we can garner global buy-in. The study explores what changes are needed in our energy mix and consumption patterns if we are to achieve 100% renewability in a way that supports everyone and the myriad of life on our planet.

New class of cobalt-free cathodes could enhance energy density of next-gen lithium-ion batteries

Dec 18, 2020: Researchers have developed a new family of cathodes with the potential to replace the costly cobalt-based cathodes typically found in today's lithium-ion batteries that power electric vehicles and consumer electronics.

How long's too long? Effects of crosslinker length on anion-exchange membrane fuel cells

Dec 17, 2020: Anion exchange membrane (AEM) fuel cells (AEMFCs), which produce electricity using hydrogen, are considered an alternative to currently used proton exchange membrane fuel cells. However, AEMs have problems with stability in alkaline conditions, which can be overcome by crosslinking -- but effects of crosslinker length on AEMFC performance are not well understood. Now, scientists have elucidated such effects for oxygen-containing crosslinkers and, using an optimally long crosslinker, produced a novel AEMFC with greater performance.

Engineers go microbial to store energy, sequester carbon dioxide

Dec 15, 2020: By borrowing nature's blueprints for photosynthesis, bioengineers have found a way to efficiently absorb and store large-scale, low-cost renewable energy from the sun -- while sequestering atmospheric carbon dioxide to use later as a biofuel.

Researchers use origami to solve space travel challenge

Dec 15, 2020: Researchers have used the ancient Japanese art of paper folding to possibly solve a key challenge for outer space travel - how to store and move fuel to rocket engines. The researchers have developed an origami-inspired, folded plastic fuel bladder that doesn't crack at super cold temperatures and could someday be used to store and pump fuel.

Single-crystal technology holds promise for next-generation lithium-ion batteries

Dec 10, 2020: Scientists have improved a promising battery technology, creating a single-crystal, nickel-rich cathode that is hardier and more efficient than before. It's one step toward improved lithium-ion batteries that are common in electric vehicles today. Increasing nickel content in the cathode is on the drawing board of lithium-ion battery makers largely because of its relatively low cost, wide availability and low toxicity compared to other key battery materials, such as cobalt.

Tiny bubbles on electrodes key to speeding up chemical processes

Dec 10, 2020: New research has shown the formation of bubbles on electrodes, usually thought to be a hindrance, can be beneficial, with deliberately added bubbles, or oil droplets, able to accelerate processes such as the removal of pollutants such as hydrocarbons from contaminated water and the production of chlorine.

Toyota & Iwatani Creating 7 New Hydrogen Fueling Stations in California

Dec 8, 2020: As one of the leading names in the fight to develop more eco-friendly vehicles, Toyota has been pushing for a more ethical approach to vehicle development with some success. Now, though, they have teamed up with Iwatani to try and help the rushed development of hydrogen fueling stations. At the moment, the target is to … The post Toyota & Iwatani Creating 7 New Hydrogen Fueling Stations in California first appeared on Hydrogen Cars Now.

Breakthrough material makes pathway to hydrogen use for fuel cells under hot, dry conditions

Dec 8, 2020: A collaborative research team has developed a proton conductor for fuel cells based on polystyrene phosphonic acids that maintain high protonic conductivity up to 200 C without water.

Batteries mimic mammal bones for stability

Dec 8, 2020: Sodium-ion batteries offer several advantages over lithium-ion batteries; however, it is difficult to develop sodium cathodes, materials through which electrons can enter a battery. Many candidate materials are unstable or cannot withstand high voltages. To find a solution, researchers turned to nature. They created a porous system of NVP structures, surrounded by a dense shell of reduced graphene oxide.

This flexible and rechargeable battery is 10 times more powerful than state of the art

Dec 7, 2020: A team of researchers has developed a flexible, rechargeable silver oxide-zinc battery with a five to 10 times greater areal energy density than state of the art. The battery also is easier to manufacture; while most flexible batteries need to be manufactured in sterile conditions, under vacuum, this one can be screen printed in normal lab conditions. The device can be used in flexible, stretchable electronics for wearables as well as soft robotics.

Safe space: Improving 'clean' methanol fuel cells using a protective carbon shell

Dec 5, 2020: Direct methanol fuel cells (DMFCs), which produce electricity using methanol, will be an alternative solution in the transition away from fossil fuels and toward a 'hydrogen' economy. However, undesired methanol oxidation on the cathode side in DMFCs degrades the essential platinum catalyst, causing performance and stability problems. Now, scientists from Korea have found a simple method to coat platinum nanoparticles with a protective carbon shell. This selectively excludes methanol from reaching the catalyst's core on the cathode, solving a long-standing problem in DMFCs.

Shuttering fossil fuel power plants may cost less than expected

Dec 3, 2020: Decarbonizing US electricity production will require both construction of renewable energy sources and retirement of power plants now operated by fossil fuels. A generator-level model suggests that most fossil fuel power plants could complete normal lifespans and still close by 2035 because so many facilities are nearing the end of their operational lives.

New butterfly-inspired hydrogen sensor is powered by light

Dec 2, 2020: A new bioinspired prototype offers a total package of features unmatched by any hydrogen sensor currently on the market. While commercial hydrogen sensors only work at 150C or higher, the new tech is powered by light instead of heat. And the sensor can detect hydrogen at concentrations from as little as 10 ppm (for medical diagnoses) to 40,000 ppm (the level where the gas becomes potentially explosive).

Hydrogen-powered heavy duty vehicles could contribute significantly to achieving climate goals

Dec 1, 2020: A partial transition of German road transport to hydrogen energy is among the possibilities being discussed to help meet national climate targets. Researcher have examined the hypothetical transition to a hydrogen-powered transport sector through several scenarios. Their conclusion: A shift towards hydrogen-powered mobility could significantly reduce greenhouse gas emissions and greatly improve air quality - in particular, heavy duty vehicles represent a low-hanging fruit for decarbonization of German road transport.

Discoveries highlight new possibilities for magnesium batteries

Nov 30, 2020: Researchers have reported a breakthrough in the development of magnesium batteries, allowing them to operate at room temperature and deliver a power density comparable to that of lithium-ion batteries.

Research creates hydrogen-producing living droplets, paving way for alternative future energy source

Nov 25, 2020: Scientists have built tiny droplet-based microbial factories that produce hydrogen, instead of oxygen, when exposed to daylight in air.

Creating higher energy density lithium-ion batteries for renewable energy applications

Nov 24, 2020: Lithium-ion batteries that function as high-performance power sources for renewable applications, such as electric vehicles and consumer electronics, require electrodes that deliver high energy density without compromising cell lifetimes. Researchers investigate the origins of degradation in high energy density LIB cathode materials and develop strategies for mitigating those degradation mechanisms and improving LIB performance.

Highly efficient, long-lasting electrocatalyst to boost hydrogen fuel production

Nov 20, 2020: Researchers have developed a highly efficient and long-lasting electrocatalyst for water oxidation using cobalt, iron, and a minimal amount of ruthenium.

Green hydrogen: Buoyancy-driven convection in the electrolyte

Nov 19, 2020: Hydrogen produced by using solar energy could contribute to a climate neutral energy system of the future. But there are hurdles on the way from laboratory scale to large-scale implementation. A team has now presented a method to visualize convection in the electrolyte and to reliably simulate it in advance with a multiphysics model.

The ultimate conditions to get the most out of high-nickel batteries

Nov 18, 2020: It is common knowledge in battery manufacturing that many cathode materials are moisture sensitive. However, as the popularity of high nickel-based battery components increases, researchers have found that the drier the conditions that these cathodes are stored and processed in, then significant improvement in performance of the battery is gained.

New semiconductor coating may pave way for future green fuels

Nov 18, 2020: Hydrogen gas and methanol for fuel cells or as raw materials for the chemicals industry, for example, could be produced more sustainably using sunlight, a new study shows. In this study, researchers have developed a new coating material for semiconductors that may create new opportunities to produce fuels in processes that combine direct sunlight with electricity.

New technique seamlessly converts ammonia to green hydrogen

Nov 18, 2020: Researchers have developed a highly effective, environmentally friendly method for converting ammonia into hydrogen. The new technique is a major step forward for enabling a zero-pollution, hydrogen-fueled economy. The idea of using ammonia as a carrier for hydrogen delivery has gained traction in recent years because ammonia is much easier to liquify than hydrogen and is therefore much easier to store and transport. This technological breakthrough overcomes several existing barriers to the production of clean hydrogen from ammonia.

Faster detection of photocatalyst-generated oxygen has big implications for clean energy

Nov 18, 2020: In the future, hydrogen produced from sunlight and water using photocatalysts could provide a source of clean energy. Researchers have developed a method to detect the oxygen produced from this water-splitting reaction 1000 times faster. This new method can be utilized to improve our understanding of artificial photosynthesis' reaction mechanisms and could contribute towards the development and large-scale implementation of photocatalyst technology for producing hydrogen fuel.

In retrospect, the burning of wood in district heating plants has resulted in climate saving

Nov 17, 2020: A new report shows that the burning of wood is significantly more climate friendly than coal and slightly more climate friendly than natural gas over the long run. For the first time, researchers quantified what the conversion of 10 Danish cogeneration plants from coal or natural gas to biomass has meant for their greenhouse gas emissions.

Zinc-ion hybrid capacitors with ideal anions in the electrolyte show extra-long performance

Nov 13, 2020: Metal-ion hybrid capacitors combine the properties of capacitors and batteries. One electrode uses the capacitive mechanism, the other the battery-type redox processes. Scientists have now scrutinized the role of anions in the electrolyte. The results reveal the importance of sulfate anions. Sulfate-based electrolytes gave zinc-ion hybrid capacitors outstanding performance and extra-long operability.

Environmentally friendly method could lower costs to recycle lithium-ion batteries

Nov 12, 2020: A new process for restoring spent cathodes to mint condition could make it more economical to recycle lithium-ion batteries. The process, developed by nanoengineers, is more environmentally friendly than today's methods; it uses greener ingredients, consumes 80 to 90% less energy, and emits about 75% less greenhouse gases.

Prototype fuel gauge for orbit

Nov 12, 2020: Liquids aren't as well behaved in space as they are on Earth. Inside a spacecraft, microgravity allows liquids to freely slosh and float about. This behavior has made fuel quantity in satellites difficult to pin down, but a new 3D-imaging fuel gauge could offer an ideal solution.

Convenient antioxidant capacity measurement of food

Nov 12, 2020: Japanese researchers have developed a system to quickly and easily measure the antioxidant capacity of food. The new electrochemical system uses Bicontinuous Microemulsion (BME), where a mixture of water and oil is gelated and integrated with a sheet-type electrode. This system can easily be used by anyone anywhere and is expected to be used for quality control in the production, manufacturing and sale of food products.

DC, AC, now HC — spacetime energy transmission

Nov 11, 2020: by guest blogger Stan Thompson updated 12/21/2020 In the late 1800s Nikola Tesla took Thomas Edison’s DC and alternated the polarity back and forth so that its voltage could be stepped up by a transformer and hauled much further by overcoming electrical resistance. Way off in the distance, at the user end, another transformer stepped … The post DC, AC, now HC — spacetime energy transmission first appeared on Hydrogen Cars Now.

Improving high-energy lithium-ion batteries with carbon filler

Nov 10, 2020: Lithium-ion batteries are the major rechargeable power source for many portable devices as well as electric vehicles, but their use is limited, because they do not provide high power output while simultaneously allowing reversible energy storage. New research aims to offer a solution by showing how the inclusion of conductive fillers improves battery performance.

Creating 3D virtual personas of all-solid-state batteries, building a better tomorrow

Nov 10, 2020: Scientists are eyeing all-solid-state-lithium batteries as a safer alternative to conventional lithium-ion batteries; but their performance needs much improvement. Now, with the 3D digital twin technology that a team from Korea has developed, a 3D digital replica of the real thing can be developed, and their solid interface microstructures can be studied in detail, potentially accelerating their advancement manifold.

Polymer Resin Gives Boost to Fuel Cell Engines

Nov 6, 2020: Fuel cell manufacturers are constantly looking for solutions that allows for maximum performance and efficiency. That is why the development of polyphthalamide for use in fuel cells is so important: the performance boost that they can provide is incredible. Fuel cell development firm Nuvera Fuel Cells are now moving into the process of using BASF’s … The post Polymer Resin Gives Boost to Fuel Cell Engines first appeared on Hydrogen Cars Now.