NASA Fuel Cell and Hydrogen Research Activities
Annual presentation to the Department of Energy Annual Merit review describing NASA’s Hydrogen activities in FY22 and FY23.
Hydrogen↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Directed Electric Charging of Transportation using eXtreme Fast Charging (DirectXFC) - VTO AMR 2020
Slide deck for Annual Merit Review event. Describes and presents the entire DirectXFC project, Overview, Relevance, Milestones, Approach, Technical Accomplishments, Future Research, Summary, and Collaborators.
25 ENERGY STORAGE↗
Charging Infrastructure Design Trade-offs for a Fleet of Human-Driven and Fully Automated Electric Vehicles in San Francisco
This presentation summarizes the objectives, approach, and findings of a 3-year project led by INL as part of DOE's SMART Mobility Laboratory Consortium. The presentation will be given to the general public via Zoom during the FY20 Vehicle Technologies Office Annual Merit Review on June 3, 2020.
33 ADVANCED PROPULSION SYSTEMS↗
Charging and Repositioning Decision Making for Fully Automated Ride-Hailing Fleet
This is the presentation profile for 2020 DOE Vechicle Technologies Office Annual Merit Review. It introduces the research results in the project "Charging and Repositioning Decision Making for Fully Automated Ride-Hailing Fleet". These results come from the work of developing a framework for integrated dispatching and charging management of an autonomous electric vehicle ride-hailing fleet, and a case study in New York City was conducted to investigate the benefits of systematic optimization approach comparing to a heuristic approach.
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATI↗
Charging Infrastructure Technologies: Development of a Multiport, >1 MW Charging System for Medium- and Heavy-Duty Electric Vehicles
This presentation, part of the 2020 Vehicle Technologies Office Annual Merit Review and Peer Evaluation Meeting, discusses the development of a multiport, >1 MW charging system for medium- and heavy-duty electric vehicles.
1+MW charging↗
Charging Infrastructure Technologies: Smart Electric Vehicle Charging for a Reliable and Resilient Grid (RECHARGE)
Annual Merit review of the Smart Electric Vehicle Charging for a Reliable and Resilient Grid (RECHARGE) project. This project will demonstrate the value of smart charge management to reduce the impact of Electric Vehicles at Scale. Assess management of Plug-in Electric Vehicle (PEV) charging at scale to avoid negative grid impacts, identify critical strategies and technologies, and enhance value for PEV / EVSE / grid stakeholders.
47 OTHER INSTRUMENTATION↗
Electric Motor Thermal Management
Thermal management enables more efficient and cost-effective motors. This Annual Merit Review presentation describes the technical accomplishments and progress in electric motor thermal management R&D over the last year. This project supports a broad industry demand for data, analysis methods, and experimental techniques to improve and better understand motor thermal management.
47 OTHER INSTRUMENTATION↗
Integrated Traction Drive Thermal Management: Keystone Project 3
The presentation was developed for the U.S. Department of Energy (DOE) Vehicle Technologies Program 2020 Annual Merit Review and Peer Evaluation Meeting. It reports on progress and accomplishments of DOE funded Integrated Traction Drive Thermal Management project. Highlighted are NREL's research accomplishments during FY 2020. Challenges associated with thermal management of integrated traction drives for electric vehicles arise due to the limited packaging space, coolant distribution, electrical connections, and ambient temperatures. For this project at NREL, research focuses on enabling thermal management technologies to support a modular, compact, self-contained integrated electric drive unit with motor and power electronics. Integration approaches, based on packaging location and coolant options for power electronics integrated with candidate motor technologies to reduce cables and connectors, are reviewed and compared using finite element analysis (FEA) tools. Automatic transmission fluid (ATF) jet impingement cooling characterization is carried out experimentally (measuring heat transfer coefficients) and using computational fluid dynamics (CFD) modeling.
47 OTHER INSTRUMENTATION↗
Advanced Transportation Hub Efficiency Using Novel Analysis (ATHENA)
This is a presentation summarizing our work on ATHENA for the Annual Merit Review (AMR) with the Vehicles Technology Office (VTO).
70 PLASMA PHYSICS AND FUSION TECHNOLOGY↗
Electrochemical Model Assessment of Strategies for Fast Charge
The United States Department of Energy (DOE) has identified extreme fast charging (XFC) as a critical challenge that must be overcome in order to achieve widespread adoption of electric vehicles. DOE’s eXtreme Fast Charge and Cell Evaluation (XCEL) program seeks to reduce charge time to 10-15 minutes for a 200+ Wh/kg Li-ion battery. This presentation for DOE’s Vehicle Technologies Program Annual Merit Review summarizes the XCEL team’s work developing electrochemical models to interpret data and applying them to identify best strategies to achieve fast charge. Strategies include advanced electrode architectures, elevated temperature charging, novel charge protocols, advanced electrolytes, thermal management and suppression of heterogeneities that cause early onset of the damaging Li plating side reaction.
47 OTHER INSTRUMENTATION↗
ReCell Center for Advanced Battery Recycling: Crosscutting Efforts
This poster summarizes work performed under crosscutting efforts during FY19 under the DOE’s Battery ReCell Center for the Annual Merit Review conducted by the Vehicle Technologies Office.
47 OTHER INSTRUMENTATION↗
H2NEW: Hydrogen (H2) from Next-Generation Electrolyzers of Water LTE Task 3c: System and Technoeconomic Analysis
This presentation summarizes the initial work on low-temperature electolyzer system modeling and technoeconomic analysis for the annual merit review.
39 EE - Hydrogen and Fuel Cell Technologies (EE-3F↗
Electric Motor Thermal Management
Thermal management enables more efficient and cost-effective motors. This Annual Merit Review presentation describes the technical accomplishments and progress in electric motor thermal management R&D over the last year. This project supports a broad industry demand for data, analysis methods, and experimental techniques to improve and better understand motor thermal management.
ADVANCED PROPULSION SYSTEMS↗
Integrated Traction Drive Thermal Management: Keystone Project 3
Current poster provides update on research progress on Integrated Traction Drive Thermal Management project for Department of Energy's 2021 Annual Merit Review. NREL's support in thermal management system design for integrated traction drives of two Electric Drive Technologies Consortium teams (led by Oak Ridge National Lab and University of Wisconsin) is highlighted.
ADVANCED PROPULSION SYSTEMS↗
Next Generation Hydrogen Station Analysis
This presentation, part of the U.S. Department of Energy (DOE) Hydrogen Program 2022 Annual Merit Review and Peer Evaluation Meeting (AMR) in June 2022, discusses the project TA042, Next Generation Hydrogen Station Analysis.
DIRECT ENERGY CONVERSION,HYDROGEN↗
H2NEW: Hydrogen (H2) from Next-Generation Electrolyzers of Water LTE Task 3c: System and Techno-Economic Analysis
This presentation, part of the DOE Hydrogen Program 2022 Annual Merit Review and Peer Evaluation Meeting in June 2022, discusses Hydrogen (H2) from Next-generation Electrolyzers of Water and system and techno-economic analysis.
electrolysis↗
Integrated Traction Drive Thermal Management: Keystone Project 3
The presentation represents a report of accomplishments during FY 2022 and is prepared for 2022 DOE VTO Annual Merit Review. The project goal is facilitation of achieving DOE 2025 target of 33 kW/L system power density for an electric traction drive through support of other EDT consortium members in design and development of thermal management systems for their respective integrated drive concepts. Namely, identifying pathways enabling high-performance, compact, and reliable integrated electric drives. Specific objectives are: 1) Research and evaluation of motor-integrated power electronics packaging technologies and thermal management approaches. 2) Development of thermal management system and its sub-components to enable integrated electric drive DOE power density targets in collaboration with project partners. 3) Supporting activities of DOE's Electric Drive Technologies (EDT) consortium members, Oak Ridge National Laboratory (ORNL) and University of Wisconsin research teams in thermal management component design and thermal modeling of their integrated traction drives. 4) Identifying candidate driveline fluids suitable for direct cooling of traction-drive components and high-voltage power electronics and evaluate their convective cooling performance.
ADVANCED PROPULSION SYSTEMS↗
Electric Motor Thermal Management
Thermal management enables more efficient and cost-effective motors. This Annual Merit Review presentation describes the technical accomplishments and progress in electric motor thermal management R&D over the last year. This project supports a broad industry demand for data, analysis methods, and experimental techniques to improve and better understand motor thermal management.
ADVANCED PROPULSION SYSTEMS↗