Latest Stories
Original Equipment Manned Systems
Truckin’ on Hydrogen
The hydrogen-fueled electrified Class 8 road tractor doesn’t move or sound like a diesel-fueled behemoth. “This advanced prototype is production-intent for shape, power, virtually everything, and its performance...
News Unmanned Systems
Electric-Vehicle Legislation in California – Third Time the Charm?
The official name is the “Advanced Clean Cars II” ruling and it effectively marks California’s third attempt to mandate the sale of electric vehicles in the state....
Articles Power
3M, Matrix Engineering Consultants Collaborate to Enhance Performance of Chassis Bolted Joints
The vehicle electrification trend means chassis designs are evolving.
News Manned Systems
New Chemistry Aims to Slash Fuel-Cell PGM Costs by 50%
Hydrogen fuel cells are steadily proving to be a competitive zero-emissions solution for powering heavy trucks, railway locomotives and ships, as well as for various stationary-energy...
Articles Data Acquisition
Optimizing EV Performance Through the Power of Data
We are constantly blindsided by unfortunate battery-related events because as any engineer knows, the devil is in the details – the implementation details.
Briefs Energy
Designing Sodium-Ion Batteries with Extended Longevity
In batteries, electrolyte is the circulating “blood” that keeps the energy flowing. The electrolyte forms by dissolving salts in solvents, resulting in charged ions that flow between the positive and negative electrodes.
Briefs Design
Extending the Lifetime of Organic Aqueous Flow Batteries
Over the course of their research, the team discovered that these anthraquinones decompose slowly over time, regardless of how many times the battery has been used.
Briefs Design
Glassy Electrolyte Holds Promise for an All-Solid-State Sodium Battery
Lithium-ion batteries are currently the preferred technology for powering electric vehicles, but they’re too expensive for long-duration grid-scale energy storage systems.
Briefs Energy
Building Temperature-Resilient Batteries
In tests, the proof-of-concept batteries retained 87.5 percent and 115.9 percent of their energy capacity at -40 °C and 50 °C (-40 °F and 122 °F), respectively.
Briefs Energy
Triggering Li-ion Battery Cells with Laser Radiation
Inducing TR in a battery cell allows engineers to test and improve the safety performance of overheated batteries that can potentially catch fire or explode.
Briefs Power
Electrolyte Additive Improves Battery Performance
The work could lead to improvements in the energy density of lithium batteries that power electric vehicles.
Briefs Power
Water-Activated Paper Battery
A team of researchers at EMPA have developed a water-activated disposable paper battery.
Briefs Energy
A Supercapacitor Device for Carbon Capture
When it discharges, the carbon dioxide can be released in a controlled way and collected to be reused or disposed of responsibly.
Articles Energy
Niobium: Magic Metal for Battery Anodes?
The element niobium (Nb), a transition metal, stands ready to improve the performance of one of the lithium-ion (Li-ion) battery’s confusing array of possible electrode chemistries — the LTO...
Articles Energy
Ultrasound Tech Offers Sophisticated Battery-Testing Intelligence
The production and supply of lithium-ion batteries for the global EV and stationary energy storage systems (ESS) markets is growing at an exponential rate. At the same time,...
Articles Power
Fundamental EV Battery Models Explain New Tab Design
Cylindrical cells are one of the most common battery types used in electric vehicles. Tesla recently improved on the typical cylindrical cell design, developing a new tab design that allows for a much larger cell.
Articles Propulsion
The Sky is No Longer the Limit Celebrating 75 Years of Air Force Technology
Since its inception, the mission of the United States Air Force has been to fly, fight, and win — delivering airpower anytime, anywhere in defense of our nation.
Application Briefs Imaging
Nano-UAV Systems
Extremely light and well-suited for operations in contested environments, nearly silent, and with a flight time up to 25 minutes, the combat-proven, pocket-sized Black Hornet PRS transmits live video and HD still images back to the operator.
Application Briefs Weapons Systems
Tactical Combat Missiles
With AKERON, MBDA is now offering a family of missiles that can adapt to the needs of collaborative tactical combat.
Briefs Design
Coherent, Efficient and Practical Polariton Lasers Using a Designable Cavity
This research demonstrates for the first time a polariton laser with coherence reaching the intrinsic limit of single-mode matter-wave lasers.
Briefs Photonics/Optics
Navy Lasers, Railgun, and Hypervelocity Projectile: Background and Issues for Congress
Two key limitations that Navy surface ships currently have in defending themselves against ASCMs and ASBMs are limited depth of magazine and unfavorable cost exchange ratios.
Briefs Photonics/Optics
Modeling Optical Time and Frequency Generation and Transfer Systems
The research was closely tied to work that was led by Nathan Newbury at NIST, and the principal goal was to support the development of advanced laser sources.
Briefs Aerospace
On the Pulsed Laser Ablation of Metals and Semiconductors
The fundamental goal of this research is to build from a broad set of experimental and theoretical data to a narrower set of scaling relations, heuristics, and trends that provide a roadmap for understanding laser ablation across relevant regimes.
Briefs Data Acquisition
Investigation of Requirements and Capabilities of Next-Generation Mine Warfare Unmanned Underwater Vehicles
The current fleet of United States Navy Mine Countermeasures ships, the Avenger class, is reaching the end of its planned service life.
Articles RF & Microwave Electronics
How to Specify and Select RF Filters
Selecting a filter for an A&D application requires an understanding of available RF filter responses, physical formats, and technologies, with a good idea of necessary functional goals, such as separating channels or rejecting interference.
Articles Software
Three Challenges to 5G’s Military Success
Evolving 5G non-terrestrial networks promise to make new applications a reality.
Articles Manned Systems
MOSA Enclosure Design for Military Systems
Modular Open Standard Architectures are popular for their inherent advantages of an open, multi-vendor system. They are the framework for Sensor Open Standard Architecture, which is widely mandated for projects in the tri-service community.
Top Stories
INSIDERLighting Technology
Using Ultrabright X-Rays to Test Materials for Ultrafast Aircraft
INSIDERManufacturing & Prototyping
New 3D-Printable Nanocomposite Prevents Overheating in Military Electronics
INSIDERDefense
F-22 Pilot Controls Drone With Tablet
Technology ReportAR/AI
Talking SDVs and Zonal Architecture with TE Connectivity
INSIDERManufacturing & Prototyping
New Defense Department Program Seeks 300,000 Drones From Industry by 2027
INSIDERAerospace
Anduril Completes First Semi-Autonomous Flight of CCA Prototype
Webcasts
Test & Measurement
SAE Automotive Engineering Podcast: Additive Manufacturing
Information Technology
A New Approach to Manufacturing Machine Connectivity for the Air Force
Automotive
Optimizing Production Processes with the Virtual Twin
Power
EV and Battery Thermal Management Strategies
Manufacturing & Prototyping
How Packet Digital Is Scaling Domestic Drone Battery Manufacturing
Automotive
Advancements in Zinc Die Casting Technology & Alloys for Next-Generation...