A5011466034- Advanced Battery Technologies Research
- Electric Vehicles and Infrastructure
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Reliability and Maintenance Optimization
- Radiation Effects in Electronics
- Extraction and Separation Processes
- Electric and Hybrid Vehicle Technologies
- Machine Learning in Materials Science
- Transportation and Mobility Innovations
- Vehicle emissions and performance
- Advanced Aircraft Design and Technologies
- Autonomous Vehicle Technology and Safety
- Smart Grid Security and Resilience
- Vehicular Ad Hoc Networks (VANETs)
- Age of Information Optimization
- Traffic control and management
- Advanced Sensor and Energy Harvesting Materials
- Supercapacitor Materials and Fabrication
- Innovative Energy Harvesting Technologies
- Semiconductor materials and devices
- Membrane-based Ion Separation Techniques
- Energy, Environment, and Transportation Policies
- Software System Performance and Reliability
- Advanced DC-DC Converters
Battery Park
2024
Carnegie Mellon University
2017-2023
Colorado School of Mines
2020
Lithium-ion batteries can last many years but sometimes exhibit rapid, nonlinear degradation that severely limits battery lifetime. In this work, we review prior work on “knees” in lithium-ion aging trajectories. We first definitions for knees and three classes of “internal state trajectories” (termed snowball, hidden, threshold trajectories) cause a knee. then discuss six knee “pathways”, including lithium plating, electrode saturation, resistance growth, electrolyte additive depletion,...
ADVERTISEMENT RETURN TO ISSUEPREVViewpointNEXTPerformance Metrics Required of Next-Generation Batteries to Make a Practical Electric Semi TruckShashank Sripad and Venkatasubramanian Viswanathan*View Author Information Department Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States*E-mail: [email protected]Cite this: ACS Energy Lett. 2017, 2, 7, 1669–1673Publication Date (Web):June 27, 2017Publication History Received20 May 2017Accepted31...
ADVERTISEMENT RETURN TO ISSUEPREVViewpointNEXTPerformance Metrics Required of Next-Generation Batteries to Electrify Vertical Takeoff and Landing (VTOL) AircraftWilliam L. FredericksWilliam FredericksDepartment Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United StatesMore by William Frederickshttp://orcid.org/0000-0002-5069-4915, Shashank SripadShashank SripadDepartment Sripadhttp://orcid.org/0000-0003-1785-2042, Geoffrey C. BowerGeoffrey BowerA^3...
ADVERTISEMENT RETURN TO ISSUEPREVViewpointNEXTPerformance Metrics Required of Next-Generation Batteries to Electrify Commercial AircraftAlexander BillsAlexander BillsDepartment Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United StatesMore by Alexander Billshttp://orcid.org/0000-0001-7992-8837, Shashank SripadShashank SripadDepartment Sripadhttp://orcid.org/0000-0003-1785-2042, William Leif FredericksWilliam FredericksDepartment...
Improvements in rechargeable batteries are enabling several electric urban air mobility (UAM) aircraft designs with up to 300 miles of range payload equivalents 7 passengers. We find that novel UAM consume between 130 Wh/passenger-mile ~1,200 depending on the design and utilization, relative an expected consumption over 220 Wh/passenger-mi for terrestrial vehicles 1,000 combustion engine vehicles. also approaching technological viability current Li-ion batteries, based specific...
Abstract Electric vertical takeoff and landing aircraft have a unique duty cycle characterized by high discharge currents at the beginning end of mission (corresponding to aircraft) moderate power requirement between them with no rest periods during mission. Here, we generated dataset battery profiles for an electric using cell typical that application. The features 22 cells, comprising total 21,392 charge cycles. 3 cells use baseline while each other vary either current, power, duration,...
Lithium-ion batteries are the ubiquitous energy storage device of choice in portable electronics and more recently, electric vehicles. However, there numerous lithium-ion battery chemistries particular, several cathode materials that have been commercialized over last two decades, each with their own unique features characteristics. In 2021, Tesla Inc. announced it would change cell chemistry used its mass-market vehicles (EVs) from Lithium-Nickel-Cobalt-Aluminum-Oxide (NCA) to cells...
While the electrification of transportation sector is underway with a consistently increasing market share, segments like light commercial vehicles (LCVs) have not seen any significant penetration. The major barriers are primarily in shortcomings specific energy, power, and cost associated Li-ion batteries. With an initiative from several automakers to electrify other segments, there need critically examine performance requirements understand factors governing such transition near-term...
In this work, we generate a battery performance and thermal dataset specific to eVTOL use-cases develop fast accurate degradation model around that dataset. We use machine-learning based physics-informed break the typically observed accuracy-computing cost trade-off. fit aging parameters for each cycle in given cell's lifetime, then evolution of those using new approach combines traditional physics-based models, consisting SEI film growth, charge loss, Li Plating, along with neural network...
There has been considerable interest in the electrification of freight transport; however, there is uncertainty technological and economic competitiveness due to size substantial costs associated with large battery packs. Here we analyze trade-off between initial investment operating compare a Class 8 diesel semi-truck an electric truck range 500 miles. We define payback period be time span required for operational cost savings break even price differential. For differential ∼US$100 000,...
ADVERTISEMENT RETURN TO ISSUEPREVEnergy FocusNEXTA Minimal Information Set To Enable Verifiable Theoretical Battery ResearchAashutosh MistryAashutosh MistryChemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United StatesMore by Aashutosh Mistryhttps://orcid.org/0000-0002-4359-4975, Ankit VermaAnkit VermaEnergy Conversion Storage Systems Center, Renewable Energy Golden, Colorado 80401, Vermahttps://orcid.org/0000-0002-7610-8574, Shashank...
ADVERTISEMENT RETURN TO ISSUEPREVViewpointNEXTEvaluating the Potential of Platooning in Lowering Required Performance Metrics Li-Ion Batteries to Enable Practical Electric Semi-TrucksMatthew Guttenberg, Shashank Sripad, and Venkatasubramanian Viswanathan*View Author Information Department Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States*E-mail: [email protected]Cite this: ACS Energy Lett. 2017, 2, 11, 2642–2646Publication Date (Web):October...
Electrodeposition and stripping are fundamental electrochemical processes for metals have gained importance in rechargeable Li-ion batteries due to lithium metal electrodes. The electrode kinetics associated with electrodeposition is crucial determining performance at fast discharge charge which important electric vertical take-off landing (eVTOL) aircraft vehicles (EV). In this work, we show the use of Marcus-Hush-Chidsey (MHC) accurately predict Tafel curve data from work Boyle et al. We...
ADVERTISEMENT RETURN TO ISSUEPREVEnergy FocusNEXTFostering a Sustainable Community in BatteriesJenny A. BakerJenny BakerMore by Jenny Baker, Martin BeuseMartin BeuseMore Beusehttp://orcid.org/0000-0002-1475-5696, Steven C. DeCaluweSteven DeCaluweMore DeCaluwehttp://orcid.org/0000-0002-3356-8247, Linda W. JingLinda JingMore Jinghttp://orcid.org/0000-0003-3835-0295, Edwin KhooEdwin KhooMore Khoohttp://orcid.org/0000-0002-3171-7982, Shashank SripadShashank SripadMore...
Electric Vehicles (EVs), like all modern vehicles, are entirely controlled by electronic devices embedded within networks that exposed to the threat of cyberattacks. Cyber vulnerabilities magnified with EVs due unique risks associated EV battery packs. Current batteries have well-known issues specific energy, cost and fire-related safety risks. In this study, we develop a systematic framework assess impact cyberattacks on EVs. While current focus automotive is short-term physical safety, it...
ADVERTISEMENT RETURN TO ISSUEPREVViewpointNEXTThe Future of Vehicle Electrification in India May Ride on Two WheelsShashank SripadShashank SripadDepartment Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United StatesMore by Shashank Sripadhttp://orcid.org/0000-0003-1785-2042, Tarun MehtaTarun MehtaAther Energy Pvt. Ltd., Bengaluru, Karnataka 560066, IndiaMore Mehta, Anil SrivastavaAnil SrivastavaNITIAayog (National Institution for Transforming India), New...
As the electrification of transportation industry and growing adoption these electric vehicles continues, demand for charging infrastructure is increasing concurrently. Properly deploying this requires that there exist models which can adequately estimate performance under real scenarios. While has been significant work on estimating energy-consumption realistic drive profiles, a need to systematically incorporate conditions (e.g. wind, elevation) along route enabling efficient charger...
This manuscript presents an algorithm for individual Lithium-ion (Li-ion) battery cell state of charge (SOC) estimation in a large-scale pack under minimal sensing, where only pack-level voltage and current are measured. For packs consisting up to thousands cells electric vehicle or stationary energy storage applications, it is desirable estimate SOCs without local measurements order reduce sensing costs. Mathematically, pure series connected yield dynamics given by ordinary differential...
In this article, we explore the techno-economic promises and challenges related to iron electrode systems, specifically in iron-air system. We study discharge-charge products of an system aqueous electrolyte using iron-water Pourbaix diagram. Using from analysis, construct a proposed baseline cell estimate basic voltage capacity cell. This is then assembled into battery pack analyze unit cost 150-hour process-based model developed BatPaC model. With appropriate choice materials for system,...