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Energy

A Solvent-Free Process to Make Better, Cheaper Li-ion Battery Electrodes

A team Led by Worcester Polytechnic Institute (WPI) researcher Yan Wang has developed a solvent-free process to manufacture Li-ion battery electrodes that are greener, cheaper, and charge faster than electrodes currently on the market.

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Briefs
Energy

A Calcium Rechargeable Battery with Long Cycle Life

A research group has developed a prototype calcium (Ca) metal rechargeable battery capable of 500 cycles of repeated charge-discharge – the benchmark for practical use.

Briefs
Manufacturing & Prototyping

Fully Stretchable Fabric-Based Lithium-Ion Battery

The future of wearable technology just got a big boost thanks to a team of University of Houston researchers who designed, developed, and delivered a successful prototype of a fully stretchable fabric-based lithium-ion (Li-ion) battery.

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Briefs
Energy

New Priming Method for Improving Battery Lifecycle

Scientists at Rice University’s George R. Brown School of Engineering have developed a readily scalable method to optimize prelithiation, a process that helps mitigate lithium loss and improves battery life cycles by coating silicon anodes with stabilized lithium metal particles.

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Briefs
Energy

Developing High-Energy-Density Batteries Using Aluminum Foil

A team of researchers is using aluminum foil to create batteries with higher energy density and greater stability. The team’s new battery system could enable EVs to run longer on a single charge and would be cheaper to manufacture – all while having a positive impact on the environment.

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News
Energy

Automaker Coalition Plans High-Power Charging Network to Rival Tesla's

In an announcement that could change the balance of power in the still-formative EV charging- station race, seven global automakers said they will work together to...

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Technology Report
Manned Systems

Tenneco Opens Engineering, Simulation Center in Poland

Suspension- and powertrain-components specialist Tenneco recently opened a new 9,600 sq.m (103,334-sq.ft.) European engineering center at Gliwice in Poland to serve its European...

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News
Electronics & Computers

Fully Charged in Six Minutes?

Battery technology company Nyobolt and UK-based design and engineering consultancy Callum are collaborating on a demonstration of new lithium-ion battery tech that would permit the full charge of a vehicle in...

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Briefs
Test & Measurement

Bullet Impact Testing of Ammunition and Explosives at Picatinny Arsenal

Bullet impact (BI) is a standard test used to assess ordnance during insensitive munitions (IM) testing, for hazard classification, and for safety evaluations.

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Briefs
Unmanned Systems

Update on Machine-Learned Correctness Properties

Despite the potential advantages to be derived from employing autonomous systems, evidence-based assurance of dependability is a key to obtaining users’ trust in these systems.

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Briefs
Test & Measurement

Test Methods for Measuring High Temperature Tensile Properties of Subscale Specimen Geometries for Additively Manufactured Metallic Materials

With the rise of additive manufacturing for metallic materials, concerted efforts are underway to integrate the technology into present and future aerospace systems to enhance performance capability, reduce cost, and minimize production lead-times.

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News
Manned Systems

Magna Shows off Electric Offroad Powertrain, In-Cabin Tech

If a mid-20th century engineer could time travel and see Magna’s electric off-road powertrains, they might ask “why is the rear differential so gigantic?” But that’s no...

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Briefs
Manufacturing & Prototyping

Methodologies and Equipment for Measuring High Temperature Tensile Properties of Subscale Specimen Geometries for Additively Manufactured Metallic Materials (Continued)

Despite the existence of standards, the issue persists where, in general, equipment is unavailable to measure maximum bending strains at elevated test temperatures.

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Briefs
Aerospace

Repeatability and Reproducibility of a Standard Test Method for Measuring Head-Supported Mass Properties

During development of military helmets and HMDs, materiel developers need a valid and repeatable test methodology for measuring their mass properties.

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News
Test & Measurement

Mazda’s Revived Rotary Engine Starts Production

Mazda, the automaker with the longest and richest history of using the Wankel rotary engine announced on June 22, 2023 that it resumed mass production of rotary engines for a new variant of...

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Technology Report
Energy

Toyota to Add Battery Lab at Michigan R&D Campus

Toyota will invest nearly $50 million for a new automotive battery lab at its R&D headquarters in York Township, Michigan. The lab is expected to be operational in 2025, the same year...

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Technical Innovation
Mechanical & Fluid Systems

SAE to Standardize Tesla NACS Charging Connector

SAE International confirmed today that it will standardize the Tesla-developed North American Charging Standard (NACS) charging connector for EVs. The global engineering organization that...

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News
Automotive

Study: Information Desert Leaves Many Suppliers in EV Dust Bowl

Inadequate information about domestic and Japanese automakers’ product timelines and strategic plans relating to the transition from ICE-powered vehicles to EVs has emerged...

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Briefs
Materials

Physics-Guided Neural Network for Regularization and Learning Unbalanced Data Sets

Directed energy deposition (DED) is a method of metal additive manufacturing (AM) by which parts are built layer by layer from 3-D computer-aided design models.

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Briefs
Imaging

Context-Aware Visual Search Using a Pan-Tilt-Zoom Camera

Introduced here is the formal PTZ Search Problem. In the PTZSP, a fixed PTZ camera starts at a given PTZ position and must move through the continuous 3D space of PTZ coordinates to detect as many objects of interest as possible as quickly as possible.

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Briefs
Aerospace

Automated Atmospheric Correction of Nanosatellites Using Coincident Ocean Color Radiometer Data

Researchers present a machine-learning-based method for utilizing traditional ocean-viewing satellites to perform automated atmospheric correction of nanosatellite data.

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Briefs
Unmanned Systems

Characterizing Motion Prediction in Small Autonomous Swarms

Prior investigations of swarm robot control focus on optimizing communication and coordination between agents, with at most one human control scheme, or with discrete (rather than continuous) human control schemes.

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Briefs
Electronics & Computers

ADS-B Classification Using Multivariate Long Short-Term Memory

The increase in available data has resulted in the study of identifying trends becoming more and more prevalent in multiple facets of society to include commerce and government.

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Briefs
Energy

New Polymer Coating Could Boost EV Batteries

Researchers at Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a conductive polymer coating – called HOS-PFM – that could enable longer lasting, more powerful lithium-ion batteries for electric vehicles.

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Briefs
Energy

Oxygen-Ion Battery: A Solution for Large Energy Storage Systems

TU Wien has developed an oxygen-ion battery that has some important advantages. Although it does not allow for quite as high energy densities as the Li-ion battery, its storage capacity does not decrease irrevocably over time.

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Briefs
Energy

Increased Storage Capacity in Water-Based Batteries

Researchers at Texas A&M University have discovered a 1,000 percent difference in the storage capacity of metal-free, water-based battery electrodes.

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Briefs
Materials

Controlling Electric Double Layer Dynamics for All-Solid-State Batteries

Researchers have employed a novel technique to investigate and modulate electric double layer dynamics at the solid/solid electrolyte interface.

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Briefs
Green Design & Manufacturing

Analysis of Pathways to Reach Net Zero Naval Operations by 2050

This report is based on a broad study of strategies for the Department of the Navy to achieve net zero global emissions by 2050 to comply with recent Executive Orders and goals.

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Briefs
Aerospace

Leveraging COTS Products for Maneuverable Aerial Identification

Ground troops are equipped with identification-friend-or-foe devices. When they are engaged in a firefight, they seek cover and concealment, and consequently, their attached IFF are also covered and concealed.

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