Keyword: Energy storage systems

Articles: Manufacturing & Prototyping

The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial aircraft...

Briefs: Electronics & Computers

A monitoring network has been created that can be added to a battery consisting of many parallel cells. This network allows the health of individual cells, as measured by the current that...

Briefs: Electronics & Computers
Improved Battery Health Monitoring

Battery health monitoring is an emerging technology field that seeks to predict the remaining useful life (RUL) of battery systems before they run out of charge. Such predictive measures require interpretation of large amounts of battery status data within a Bayesian prognostic framework.

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: Semiconductors & ICs
CoolSPICE: SPICE Simulator for Cryogenic Electronics

Accurate assessment of circuits at cold temperatures is extremely difficult due to lack of models and tools that can simulate circuit behavior at cryogenic temperatures. A library of cryogenic temperature models was built, as well as a circuit simulator that can use those models and simulate...

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
Current-Controlled Output Driver for Directly Coupled Loads

Driving loads such as electric motors, relay coils, and solenoids requires a relatively large initial pull-in or start-up current from a driver in order to initiate operation of the load. To maintain continuous operation, the hold or running operating current required for a load may be...

Application Briefs: Manufacturing & Prototyping

New hardware built by research engineers at the U.S. Army Research Laboratory (ARL) is helping NASA retrieve experimental images otherwise lost at sea. The hardware weighs less than two pounds, and...

Briefs: Electronics & Computers
Submerged AUV Charging Station

Autonomous Underwater Vehicles (AUVs) are becoming increasingly important for military surveillance and mine detection. Most AUVs are battery powered and have limited lifetimes of a few days to a few weeks. This greatly limits the distance that AUVs can travel underwater. Using a series of submerged AUV charging...

Articles: Energy
NASA Technology

Over the years, NASA has advanced photovoltaic (PV) technology in order to advance many of its missions. This renewable source of energy is produced when certain...

Briefs: Electronics & Computers

Heterodyne receivers at submillimeter wavelengths have played a major role in astrophysics as well as Earth and planetary remote sensing....

Articles: Robotics, Automation & Control
Fuel Flexible, Ultra-Portable Microturbine Generator Erik Herold, Jason Ethier, and Ivan Wang
Dynamo Micropower,
Boston, MA

A large unmet need in the oil...

Articles: Lighting

The key circuit elements in an LED lamp are the LEDs, the optics, the casing (including heat-sinking) and the driver. The driver now represents anywhere from 10% to 40% of total bulb cost, so selecting the...

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: Electronics & Computers

The Mixed Signal Radio Frequency Interface Front (MSRFIF) end is an energy harvesting product that can work from low frequencies (60 Hz or less) up to 250 MHz. Since analog signal processing may be needed for...

Briefs: Physical Sciences
Autonomous Cryogenic Leak Detector for Improving Launch Site Operations

NASA, military, and commercial satellite users need launch services that are highly reliable, less complex, easier to test, and cost effective. This project has developed a tapered optical fiber sensor for detecting hydrogen. The invention involves incorporating chemical...

Briefs: Electronics & Computers
Battery Charge Equalizer with Transformer Array

High-power batteries generally consist of a series connection of many cells or cell banks. In order to maintain high performance over battery life, it is desirable to keep the state of charge of all the cell banks equal. A method provides individual charging for battery cells in a large,...

Briefs: Manufacturing & Prototyping
Phase Change Material Thermal Power Generator

An innovative modification has been made to a previously patented design for the Phase Change Material (PCM) Thermal Generator, which works in water where ocean temperature alternatively melts wax in canisters, or allows the wax to re-solidify, causing high-pressure oil to flow through a hydraulic...

Application Briefs: Energy

Quallion, a developer and manufacturer of lithium-ion storage systems, assisted in the launch of Orbital Sciences Corporation’s Pegasus® rocket, which carried NASA’s Nuclear Spectroscopic Array...

Articles: Lighting

One of the most pervasive challenges in the world today is increasing energy efficiency. The consumer electronics industry is evolving towards higher efficiency due to newer and stricter energy...

Briefs: Information Technology
Cursor Control Device Test Battery

The test battery was developed to provide a standard procedure for cursor control device evaluation. The software was built in Visual Basic and consists of nine tasks and a main menu that integrates the set-up of the tasks. The tasks can be used individually, or in a series defined in the main menu.

Briefs: Mechanical & Fluid Systems

Future missions to Mars that would need a sophisticated lander, hopper, or rover could benefit from the REARM Arch i tecture. The mission concept REARM...

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: Mechanical & Fluid Systems
Integrated Electrical Wire Insulation Repair System

An integrated system tool will allow a technician to easily and quickly repair damaged high-performance electrical wire insulation in the field. Low-melt polyimides have been developed that can be processed into thin films that work well in the repair of damaged polyimide or fluoropolymer...

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
An Automated Safeto- Mate (ASTM) Tester

Safe-to-mate testing is a common hardware safety practice where impedance measurements are made on unpowered hardware to verify isolation, continuity, or impedance between pins of an interface connector. Performing this on critical flight hardware under test and its associated GSE ensures minimal risk when...

Briefs: Materials
Li-Ion Electrolytes With Improved Safety and Tolerance to High-Voltage Systems

Given that lithium-ion (Li-ion) technology is the most viable rechargeable energy storage device for near-term applications, effort has been devoted to improving the safety characteristics of this system. Therefore, extensive effort has been devoted to developing...

Briefs: Materials
Improved Wide Operating Temperature Range of Li-Ion Cells

Future NASA missions aimed at exploring the Moon, Mars, and the outer planets require rechargeable batteries that can operate over a wide temperature range (–60 to +60 ºC) to satisfy the requirements of various applications including landers, rovers, penetrators, CEV, CLV, etc. This...

Briefs: Manufacturing & Prototyping

Technology has been developed for a class of self-contained, long-duration power sources called beta batteries, which harvest the energy contained in the...

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Briefs: Physical Sciences

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