Keyword: Lithium

Briefs: Unmanned Systems
The battery could be used for drones, cars, or underwater applications at low temperatures.
Briefs: Aerospace
The new battery technology could improve electric vertical takeoff and landing aircraft and supercharge safe, long-range electric cars.
Briefs: Energy
Solid-State Lithium Battery
This thin film battery can be used for on-package power in mass market electric vehicles (EVs) and electronic devices.
Briefs: Electronics & Computers
The coating could make lightweight lithium metal batteries safe and long-lasting for the next generation of electric vehicles.
Briefs: Electronics & Computers

Excess heat given off by smartphones, laptops, and other electronic devices contributes to malfunctions and, in extreme cases, can even cause lithium batteries to explode. To guard...

Articles: Photonics/Optics
Semi-Liquid Metal Anode for Next-Generation Batteries

Researchers from Carnegie Mellon University have developed a semi-liquid lithium metal-based anode. Lithium batteries made using this new...

Briefs: Photonics/Optics

Microwave signals are ubiquitous in wireless communications but interact too weakly with photons. A technique was developed to fabricate high-performance optical microstructures using lithium niobate, a material...

Briefs: Electronics & Computers

Lithium-metal batteries — which can hold up to ten times more charge than lithium-ion batteries — haven't been commercialized because of a fatal flaw: as the batteries charge and...

Q&A: Nanotechnology

Researchers at Brookhaven National Laboratory have observed how lithium moves inside individual nanoparticles that make up batteries. The finding could help...

Briefs: Energy
Solid-State Lithium Sulfur Battery

Sulfur is a promising cathode for lithium batteries due to its high theoretical specific capacity (1673 mAh/g), low cost, and environmental friendliness. With a high specific energy density of 2500 Wh/kg, which is a five times greater energy density than a conventional Li-ion battery, Li-S batteries hold great...

Briefs: Energy
High-Energy-Density Solid-State Li-Ion Battery with Enhanced Safety

High-energy-density and safe rechargeable batteries are required for NASA’s future exploration missions. Lithium-ion (Li-ion) batteries are attractive energy storage systems due to their relatively high energy and power densities. However, the unfavorable side reactions...

INSIDER: Electronics & Computers

While lithium-ion batteries have transformed our everyday lives, researchers are currently trying to find new chemistries that could offer even better energy possibilities. One...

Briefs: Photonics/Optics
Domain-Engineered Magnesium-Oxide-Doped Lithium Niobate for Lidar-Based Remote Sensing

There are several frequency conversion applications associated with lidar-based remote sensing that would benefit from the use of high-quality, complex (i.e., chirped, multi-section, or otherwise modulated) domain-engineered magnesiumoxide- doped lithium...

Briefs: Materials
Lithium Fluoride as a Polysulfide Shuttle Inhibitor for Lithium Sulfur Chemistry

In a lithium sulfur cell, the reduction of sulfur to lithium sulfide is a critical series of reactions that provides a large theoretical capacity of 1,672 mAh/g sulfur. One of many challenges in this system is the solubility of generated lithium polysulfides during...

Articles: Aerospace

Wireless technology is growing rapidly, now encompassing consumer-grade devices as well as industrial-grade products used in utility meter reading (AMR/AMI), wireless mesh networks, system...

Briefs: Physical Sciences

There is a need to advance the development of high energy density batteries, along with other efficient alternative energy sources. The need for batteries having a higher energy...

Briefs: Physical Sciences
High-Energy Lithium Flow Cells With Sulfur Cathodes for Transportation Applications

Since the entry of lithium-ion rechargeable batteries into the market, considerable improvements have been made in their gravimetric and volumetric energy densities, especially compared to aqueous systems such as Pb-acid, Ni-Cd, and Ni-MH. Sulfur cathodes have...

Briefs: Electronics & Computers
Li-Ion Battery and Supercapacitor Hybrid Design for Long Extravehicular Activities

With the need for long periods of extravehicular activities (EVAs) on the Moon or Mars or a near-asteroid, the need for long-performance batteries has increased significantly. The energy requirements for the EVA suit, as well as surface systems such as rovers,...

Briefs: Physical Sciences
High-Power, High-Speed Electro-Optic Pockels Cell Modulator

Electro-optic modulators rely on a change in the index of refraction for the optical wave as a function of an applied voltage. The corresponding change in index acts to delay the wavefront in the waveguide. The goal of this work was to develop a high-speed, high-power waveguide-based...

Briefs: Physical Sciences

Future sustainable energy generation technologies such as photovoltaic and wind farms require advanced energy storage systems on a massive scale to make...

Briefs: Materials
A Nanostructured Composites Thermal Switch Controls Internal and External Short Circuit in Lithium Ion Batteries

A document discusses a thin layer of composite material, made from nano scale particles of nickel and Teflon, placed within a battery cell as a layer within the anode and/or the cathode. There it conducts electrons at room...

Briefs: Electronics & Computers
Composite Thermal Switch

Lithium primary and lithium ion secondary batteries provide high specific energy and energy density. The use of these batteries also helps to reduce launch weight. Both primary and secondary cells can be packaged as highrate cells, which can present a threat to crew and equipment in the event of external or internal...

Briefs: Materials
Use of Additives to Improve Performance of Methyl Butyrate-Based Lithium-Ion Electrolytes

This work addresses the need for robust rechargeable batteries that can operate well over a wide temperature range. To this end, a number of electrolyte formulations have been developed that incorporate the use of electrolyte additives to improve the...

Briefs: Energy

Phosphors are useful in numerous applications including lighting. Tantalates are very promising materials because they are especially robust and resistant to chemical degradation. Studies have...

Briefs: Lighting

Phosphors are useful in numerous applications including imaging, detection, and lighting. They come in forms of thin films, monoliths, or powders for miscellaneous devices, or dispersible nano...

Briefs: Manufacturing & Prototyping
Ridge Waveguide Structures in Magnesium-Doped Lithium Niobate

This work proposes to establish the feasibility of fabricating isolated ridge waveguides in 5% MgO:LN. Ridge waveguides in MgO:LN will significantly improve power handling and conversion efficiency, increase photonic component integration, and be well suited to space-based...

Briefs: Photonics/Optics
Multi-Wavelength, Multi-Beam, and Polarization-Sensitive Laser Transmitter for Surface Mapping

A multi-beam, multi-color, polarized laser transmitter has been developed for mapping applications. It uses commercial off-the-shelf components for a low-cost approach for a ruggedized laser suitable for field deployment.

Articles: Photonics/Optics

Titanium:Sapphire (Ti:S)-based laser systems have revolutionized ultrafast research from biological imaging to high energy physics. Ti:S has a very broad gain bandwidth (680-1080 nm) but many...

Briefs: Electronics & Computers

Mechanical squeezing has been found to alter the frequency tuning of a whispering-gallery-mode (WGM) optical resonator that has an elliptical shape and is made of lithium niobate. It...

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