Electrochemically molecular-imprinted catalysts enable high-energy-density Li-S batteries

(a) Discharge and charge curves for MSs. (b) Illustration of electrochemical MI strategy. Credit: Science China Press High energy density is a crucial direction for future battery development. Lithium-sulfur (Li-S) batteries, with their high theoretical energy density, have garnered significant attention. However, the slow solid-liquid-solid conversion of sulfur, especially the oxidation of lithium sulfide (Li2S) […]

Real-time modeling of 3D temperature distributions within nuclear microreactors to improve safety systems

Basic layout of the Westinghouse eVinci microreactor design with an enlarged fuel flake. Credit: Price et al., 2024. A real-time, 3D temperature map of the inside of a nuclear microreactor for improved safety monitoring was reconstructed using a newly-established theoretical foundation to evaluate basis functions, which can be combined to describe fundamental trends in data, […]

‘Not a lab experiment’: climate tech CEO on green innovation

The power grids of the future will rely on better batteries to store excess renewable energy for when the sun isn’t shining and the wind isn’t blowing. Microsoft co-founder and billionaire philanthropist Bill Gates has been hosting executives and entrepreneurs in London this week to boost investment in cutting-edge technologies promising big breakthroughs in tackling […]

New research shows that solar-powered ‘resilience hubs’ in California could generate up to 8GW of power

Credit: Unsplash/CC0 Public Domain Power outages are on the rise nationwide as climate change brings more frequent wildfires, heat waves, and severe weather events. The Federal Emergency Management Agency (FEMA) and the state of California have both recently established funding to help communities create “resilience hubs” that rely on solar+battery systems to provide emergency power […]

Researchers suggest smart solution to harness waste heat from industry

Kim Kristiansen has just received his doctorate on a technology that can take care of some of the waste heat that today is simply wasted. Credit: Aleksander Stokke Båtnes, NTNU Norway wastes huge amounts of energy. Surplus heat produced by industry is hardly exploited at all. Researchers at NTNU have been looking at the possibilities […]

Biofuel from kudzu vines and branches boosts energy efficiency

A modern agricultural and forestry waste steam explosion torrefaction reactor in operation. Credit: Korea Institute Of Energy Research Leftover branches and kudzu vines from logging are repurposed as carbon-neutral fuel to generate electricity. Dr. Kyoungseon Min’s research team at the Gwangju Clean Energy Research Center of the Korea Institute of Energy Research (KIER) has developed […]

Small, adsorbent ‘fins’ collect humidity and release the liquid when heated

A simple, compact system first collects moisture from the air (left) and then releases the trapped liquid (right) when heated, which results in potable water. Credit: Xiangyu Li Clean, safe water is a limited resource and access to it depends on local bodies of water. But even dry regions have some water vapor in the […]

A fresh set of eyes on next-generation nuclear reactors

Credit: Pixabay/CC0 Public Domain Decarbonization requires radical transformation of the U.S. energy sector, and nuclear energy could be at the center of that transformation. It already provides a fifth of the nation’s electricity, and new designs suggest it can generate even more. Essential to achieving U.S. climate goals, nuclear energy is one of the key […]

Sustainable electrification: Managing resource demands for future electric vehicles

The study finds that the Total Material Requirement (TMR) for EV batteries, considering production, operation, and maintenance, will double by 2050. However, it finds that implementing circular economy strategies can halve resource demand. Credit: Shoki Kosai from Ritsumeikan University, Japan With goals to limit CO2 emissions, many countries have set targets to phase out internal […]

Researchers propose measures to optimize battery recycling

Analysis and characterization of three modeled overall scenarios (baseline, moderate, and optimal) for mining and recycling of electric vehicle battery raw materials: Annual primary raw material demand (primary vertical axis) and cumulated primary raw material demand (secondary vertical axis). Credit: Resources Policy (2024). DOI: 10.1016/j.resourpol.2024.105160 A team headed by Prof. Stephan von Delft from the […]

Researchers develop a commercially viable and safe gel electrolyte for lithium batteries

The manufacturing of pouch-type batteries with final gel electrolyte is accomplished by following the identical manufacturing process as conventional commercial pouch cells, including the formation and degassing steps, with the addition of an electron beam process. Credit: POSTECH Professor Soojin Park, Seoha Nam, a Ph.D. candidate, and Dr. Hye Bin Son from the Department of […]

Researchers engineer AI path to prevent power outages

Schematic of an example network with distributed energy resources (DERs) both with and without grid-forming ability, and sectionalizing/tie switches. Credit: Nature Communications (2024). DOI: 10.1038/s41467-024-49207-y University of Texas at Dallas researchers have developed an artificial intelligence (AI) model that could help electrical grids prevent power outages by automatically rerouting electricity in milliseconds. The UT Dallas […]

Atom-thin graphene membranes make carbon capture more efficient

Uptake of CO2 on pyridinic-N-substituted graphene. Schematic illustration of pyridinic N at pore edge and -NH2 near pore edge and binding of these groups with CO2. In the schematic, the graphene lattice consists of carbon atoms shown in brown, with pyridinic nitrogen (blue atoms) substituted at the pore edges, primary amine groups (light blue) near […]

Australia needs large-scale energy production—three reasons why offshore wind is a good fit

Credit: Unsplash/CC0 Public Domain On the weekend, an area 20km off the Illawarra coast south of Sydney became Australia’s fourth offshore wind energy zone. It’s the most controversial zone to date, with consultation attracting a record 14,211 submissions—of which 65% were opposed. The zone’s declaration has inflamed fierce debate over the pathway to decarbonization, particularly […]

Scientists achieve 20% efficiency in organic solar cells with new molecular design

Surface topography of binary and ternary blend films. Credit: Nature Communications (2024). DOI: 10.1038/s41467-024-46022-3 To make organic solar cells (OSC) competitive, the light-absorbing molecules should simultaneously satisfy multiple key requirements, including a weak-absorption charge transfer state, a high dielectric constant, suitable surface energy and proper crystallinity. Scientists at the Hong Kong Polytechnic University (PolyU) have […]

How would a switch to nuclear affect electricity prices for households and industry?

Credit: CC0 Public Domain Peter Dutton has announced that under a Coalition government, seven nuclear power stations would be built around the country over the next 15 years. Experts have declared nuclear power would be expensive and slow to build. But what might happen to energy prices if the Coalition were to win government and […]

New strategy improves performance of spent high-voltage lithium cobalt oxide batteries

Schematic illustration for the upcycling of S-LCO into MP-LCO@LPO/CP. Credit: Liu Zhenzhen In a study published in Advanced Materials, a research team led by Prof. Zhang Yunxia from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has developed an integrated bulk and surface commodification strategy to upgrade spent lithium cobalt oxide […]

Bacterial batteries that harvest energy from soil

Soil battery. Credit: Bactery A U.K. university spin-out has developed a bacteria-powered battery that harvests energy from microorganisms in the soil to recharge itself, with a prototype already rolled out in Brazil. Data on conditions in the field are crucial to help farmers make informed decisions and achieve the best possible yields, but powering the […]

Life cycle analysis reveals mixed CO₂ benefits from green hydrogen

Credit: Pixabay/CC0 Public Domain Green hydrogen often, but certainly not always, leads to CO2 gains. This claim is based on research published in Nature Energy by Kiane de Kleijne from Radboud University and Eindhoven University of Technology. “If you calculate the entire life cycle of green hydrogen production and transport, CO2 gains may be disappointing. […]

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