Spatio-temporal isolator in lithium niobate on insulator
Integrated photonics is making strides towards hosting an increasing range of functionalities on a chip. Examples include information processing and computation as well as optical sensing and ranging applications. This has spurred advances in integra.....»»
Towards novel promising perovskite-type ferroelectric materials: High-pressure synthesis of rubidium niobate
Capacitors are crucial components in electronic devices such as smartphones and computers. They are made of dielectric materials that polarize on the application of the voltage. Currently, barium titanate (BaTiO3) is the most widely used material for.....»»
U.S. EV battery upstart, Hyundai-Kia close in on lithium metal battery commercialization
SES AI, a U.S. maker of electric vehicle batteries, aims to bring its next-gen lithium metal batteries to market as early as 2026 and is turbocharging the drive through a new agreement to jointly build and test the technology with South Korea's Hyund.....»»
Pyrite may contain valuable lithium, a key element for green energy
There's a reason airlines won't let you put your laptop in your checked luggage; the lithium-ion battery poses a serious fire hazard. But why? Lithium is incredibly reactive. For instance, pure lithium violently interacts with seemingly innocuous wat.....»»
U.S. says SK Battery faces $77,200 in fines over employee health hazards
The U.S. Labor Department said on Monday that SK Battery America faces $77,200 in fines for five serious safety violations after workers in Georgia suffered potentially permanent respiratory damage in an October 2023 lithium battery fire......»»
US says SK Battery faces $77,200 in fines over employee health hazards
The U.S. Labor Department said on Monday that SK Battery America faces $77,200 in fines for five serious safety violations after workers in Georgia suffered potentially permanent respiratory damage in an October 2023 lithium battery fire......»»
Panasonic Energy to supply EV batteries to Mazda; Panasonic Automotive being sold to U.S. firm
Mazda and Panasonic Energy said they will later disclose details of the deal, which is for the supply of cylindrical lithium-ion batteries......»»
Physicists demonstrate parity anomaly in a topological insulator
Experimental and theoretical physicists from the Würzburg Institute for Topological Insulators have observed a re-entrant quantum Hall effect in a mercury telluride device and have identified it as a signature of parity anomaly......»»
An approach to design high-power lithium sulfur batteries
Lithium–sulfur (Li–S) batteries are a promising alternative to lithium–ion batteries (LiBs), the most common rechargeable battery technology. As sulfur is abundant on Earth, these batteries could be cheaper and more environmentally friendly tha.....»»
Crawfish could transfer ionic lithium from their environment into food chain
From cell phones to watches to electric cars, lithium-ion rechargeable batteries power a plethora of devices. The increased use of this technology means more lithium could find its way into the environment as consumers discard electronic products......»»
What heat can tell us about battery chemistry: Using the Peltier effect to study lithium-ion cells
Batteries are usually studied via electrical properties like voltage and current, but new research suggests that observing how heat flows in conjunction with electricity can give important insights into battery chemistry......»»
A physics-based predictive tool to speed up battery and superconductor research
From lithium-ion batteries to next-generation superconductors, the functionality of many modern, advanced technologies depends on the physical property known as intercalation. Unfortunately, it's difficult to identify in advance which of the many pos.....»»
Slower EV growth triggered lower lithium prices
When EV sales growth began to slow last year, a funny thing happened to the price of lithium — it fell......»»
Building temporal resilience into jobs can help employees thrive when schedules turn upside down: Study
Managers can do much to help their workers become more resilient to inevitable time disruptions in today's workplace, says new research from The University of Texas at Austin......»»
Improving lithium-sulfur batteries with metal-organic framework-based materials
Current lithium-ion battery technology does not have the energy density necessary to meet the demands for renewable energy. In theory, lithium-sulfur batteries could be a viable alternative with a higher specific capacity and energy density. However,.....»»
Scientists discover exotic quantum interference effect in a topological insulator device
In a novel experiment, physicists have observed long range quantum coherence effects due to Aharonov-Bohm interference in a topological insulator-based device. This finding opens up a new realm of possibilities for the future development of topologic.....»»
After EV price cuts, cheaper batteries could be just what automakers need
Sharp price declines for lithium, cobalt, nickel and other materials are lowering battery costs, allowing automakers who are slashing EV prices to maintain their margins......»»
Evidence that atomically thin hafnium telluride is an excitonic insulator
The condensation of excitons with non-zero momentum can give rise to so-called charge density waves (CDW). This phenomenon can prompt the transition of materials into a fascinating new quantum phase, known as an excitonic insulator......»»
Researchers realize photo-driven nitrogen fixation and ammonia synthesis mediated by lithium hydride
Ammonia is essential for food and future energy supply. In the industry, it is mainly produced by the Haber-Bosch process, which operates at high temperatures and pressures. Due to the high energy consumption and carbon emissions of ammonia industry,.....»»
After ditching its hybrids, GM says it needs to build more hybrids
After killing the Volt in 2019, now PHEV powertrains are back on the menu. Enlarge / This is the Voltec plug-in hybrid powertrain from GM. It combines an internal combustion engine with a lithium-ion battery pack. Most of the tim.....»»
Scientists propose an updated time scale scheme of the Earth"s moon
The moon's evolutionary history is divided into three distinct phases based on the temporal interplay of exogenic and endogenic processes in altering the moon. These phases are defined as Eon-level time scale units, which provide insights into the te.....»»