Please send us your comments. The degradation process is accelerated during storage at elevated temperatures. saxenas@calce.umd.edu Ph.D Student Lingxi Kong . at Maryland this past spring with a research focus on the “Risk Based Multiobjective Path Planning and Design Optimization for Unmanned Aerial Vehicles.” Saurabh Saxena is a Ph.D. student working under Professor Michael Pecht. Find Saurabh Saxena in the United States. June 2017. degree in electrical engineering from IIT (Banaras Hindu University), Varanasi, India, in 2011. Saurabh Saxena . 10, pp. ... Bahiraei et al. However, customers’ expectations are often not realized in terms of the actual delivered capacity of the power bank; it is often far less than the value specified on the product. This article documents the results from two surveys of 1,200 respondents from the United States intended to understand users' satisfaction, concerns, charging habits, and expectations w... Lithium-ion batteries are used for energy storage in a wide array of applications, and do not always undergo full charge and discharge cycling. The Graduate School University of Maryland. All of DRUM Communities & Collections By Issue Date Authors Titles Subjects This Community By … They can provide intuitive user interfaces and have been greatly improved over the last decade: they are now more powerful, have a battery with greater autonomy, and have more storage, allowing for virtual interfaces and higher quality simulations, International Journal of Electrical Power & Energy Systems (1). S Saxena in Maryland. Director of the CALCE Electronic Products and Systems Consortium Saurabh Saxena. The data collected from these accelerated tests are then used to determine battery performance and reliability over specified nominal operating temperatures. Yung 4, and Michael Pecht 2, 1 College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China He is currently pursuing the Ph.D. degree with the CALCE Center, University of Maryland at College Park. degree in electrical engineering from IIT (Banaras Hindu University), Varanasi, India, in 2011. Title: “Modeling And Simulation Of Novel Medical Response Systems For Out-Of-Hospital Cardiac Arrest”Date: Monday, April 20th, 2020 Committee Members: Professor.. 2123 Lee Building 7809 Regents Drive College Park, MD 20742. LiCoO 2 /graphite cells were cycled under different SoC ranges at two different discharge rates of C/2 and 2C, ... due to providing the half-day autonomy rather than a full-day autonomy period. Accelerated cycle life testing of lithium-ion batteries is conducted as a means to assess whether a battery will meet its life cycle requirements. To investigate the premature battery drain issue, two Nexus 6P smartphones (one new and one used) were disassembled and their batteries were evaluated using co... E-cigarettes have become popular as an alternative to traditional tobacco products. He is currently a Ph.D. student at the CALCE Center at the University of Maryland, College Park, USA. Premature battery drain, swelling and fires/explosions in lithium-ion batteries have caused wide-scale customer concerns, product recalls, and huge financial losses in a wide range of products including smartphones, laptops, e-cigarettes, hoverboards, cars, and commercial aircraft. We found 23 entries for Saurabh Saxena in the United States. Vipin Agarwal, Mechanical Engineering Faez Ahmed, Mechanical Engineering Ayan Mallik, Electrical and Computer Engineering Debdatta Sinha Roy, Decision, Operations, and Information Technology. Find contact's direct phone number, email address, work history, and more. Battery manufacturers and device companies often test batteries at high temperature to accelerate the degradation process. This Community. While external abuse of batteries can cause fires and explosions, most of the reported problems arose from internal battery defects, which are often difficult to detect. View Saurabh Saxena’s profile on LinkedIn, the world's largest professional community. chendri1@calce.umd.edu Ph.D Candidate Dr. Simin Peng . Saurabh Saxena and Michael Pecht Yongquan Sun 1,2,*, Saurabh Saxena 2 and Michael Pecht 2 1 Institute of Sensor and Reliability Engineering (ISRE), Harbin University of Science and Technology, Harbin 150080, China Reference: Cycle life testing and modeling of graphite/LiCoO 2 cells under different state of charge ranges, Saurabh Saxena, Christopher Hendricks, and Michael Pecht, Journal of Power Sources, Vol. However, the safety of e-cigarettes is a significant issue, as there have been numerous incidents of Li-ion battery fires and explosions resulting in bodily injury and property damage. 327, pp. lkong@calce.umd.edu Ph.D Student Christopher Hendricks . The identification of the knee point can be valuable to identify the more severe degradation trend, and to provide guidance when scheduling battery replacements and planning secondary us... As Li-ion batteries are used in increasingly diverse applications, their performance and reliability become more critical. He is currently pursuing the Ph.D. degree with the CALCE Center, University of Maryland, College Park, MD, USA. About the Presenter: Saurabh Saxena received the B.Tech. 2123 Lee Building 7809 Regents Drive College Park, MD 20742 301-405-3644 gradschool@umd.edu University of Maryland, College Park, in partial fulfillment of the requirements for the degree of Master of Science 2017 Advisory Committee: Professor Michael Pecht, Chair and Advisor ... Saurabh Saxena, Subramaniam Manoharan, Jordan Jameson, Anto Sheryl Peter, Tyler . ... To see clearly, the variation of cyclic life by varying voltage for lithium cobalt oxide as cathode and graphite as anode we need to take the voltage greater than or equal to 4.2 V. We have even seen the effects of various C-rate on cycle life in our studies [1,3,4]. jli12312@umd.edu Visiting Scholar Yongzhi Zhang . View Sorabh Saxena's business profile . Saurabh Saxena's 17 research works with 111 citations and 10,951 reads, including: Role of the rest period in capacity fade of Graphite/LiCoO2 batteries Find S Saxena's phone number, address, and email on Spokeo, the leading people search directory for contact information and public records. Get full address, contact info, background report and more! saxenas@umd.edu. About the Presenter: Saurabh Saxena received the B.Tech. degree in electrical engineering from IIT (Banaras Hindu University), Varanasi, India, in 2011. Companies using alkaline coin cells in their products are interested in non-destructive methods to identify cell degradation without disassembling the final products before the shipment. © 2008-2021 ResearchGate GmbH. Found: Saurabh Saxena. Cycling at a nominal charge/discharge current requires an extensive amount of time and resources, and... Lithium-ion (Li-ion) battery fires and explosions in various battery-operated products, have raised safety concerns. Reliability testing of Li-ion batteries involves battery capacity fade monitoring over repeated charging/discharging cycles. PhD Candidate Saurabh graduated with a Master’s (MS) degree in Coastal & Oceanographic Engineering from University of Florida (UFL) and a Bachelor’s (B.Tech) degree in Ocean Engineering & Naval Architecture from IIT Kharagpur (IIT KGP). In Situ Stress Measurement Techniques on Li-ion Battery Electrodes: A Review, Ximing Cheng and Michael Pecht,Energies, Vol. Browse. The name Saurabh Saxena has over 10 birth records, 0 death records, 0 criminal/court records, 66 address records, 7 phone records and more. This paper presents a study to identify optimal accelerated cycle testing conditions for LiCoO2-graphite cells. “We’ve seen some recent problems with lithium-ion batteries,” he says. Degradation of lithium-ion batteries is known to be affected by various operational and environmental conditions, including temperature, discharge and charge C-rates, and depth of discharge. Saurabh Saxena, Mechanical Engineering. 2017. Please send us your comments. University of Maryland: Chaobo Shen: Reliability Assessment for 1200V/450A Dual Channel IGBT Module under Power Cycling and Thermal Cycling: University of Maryland: Saurabh Saxena: Accelerated Testing and Modeling of High Energy LiCoO 2 cathode-based Lithium-ion Batteries: University of Maryland… ... Nowadays, research on anode materials of LIBs is developing rapidly, which mainly include carbonbased materials [5][6][7], alloys [8][9][10], oxides, ... With non-destructive internal visualization of batteries complementary information about such failures is obtained. Saurabh Saxena Michael Pecht Accelerated cycle life testing of lithium-ion batteries is conducted as a means to assess whether a battery will meet its life cycle requirements. Saxena et al. Yinjiao Xing's 25 research works with 1,142 citations and 16,511 reads, including: Accelerated degradation model for C-rate loading of lithium-ion batteries X-ray tomography has long been used for obtaining 3D imaging of batteries [4][5][6], ... For this reason, it is important to consider hand-held devices. Abstract: Companies using alkaline coin cells in their products are interested in non-destructive methods to identify cell degradation without disassembling the final products before the shipment. He is currently pursuing the Ph.D. degree with the CALCE Center, University of Maryland at College Park. Saurabh has 4 jobs listed on their profile. osterman@calce.umd.edu. The Clark School is committed to providing quality engineering education today and to future generations of students. All rights reserved. This chapter presents an overview of the prognostics and systems health management (PHM) techniques used for states estimation and remaining useful life (RUL) prediction of lithium‐ion (Li‐ion) batteries. Possible related people for Saurabh Saxena include Anshul Saxena, Sangeetha Narayanan, Aaradhna Saxena. Yi Wu 1,2, Saurabh Saxena 2, Yinjiao Xing 2, Youren Wang 1, Chuan Lit 3, Winco K.C. Prognostics of lithium-ion batteries based on different dimensional state equations in the particle filtering method Web Accessibility This paper discusses the accelerated testing of 1.5 V, 150 mAh rated non-rechargeable alkaline coin cells, and the monitoring of swelling as a means to assess the degradation of the cells. However, there are currently no derating guidelines for Li-ion batteries. 301-405-3644 gradschool@umd.edu We have 42 records for Saurabh Saxena ranging in age from 38 years old to 50 years old. Saurabh Saxena received the B.Tech. This reduction in the derating factor leads to increased calendar life, capacity potential, and battery bank performance. Another factor is the open rest period, which occurs in all laptops, smartphones, and electric vehicles that are kept connected to a charger, even after the ba... Companies using alkaline coin cells in their products are interested in non-destructive methods to identify cell degradation without disassembling the final products before the shipment. 2016. According to Saurabh Saxena, who has worked for 4 years at CALCE and is in the process of completing his Ph.D. in mechanical engineering, modeling the behavior of batteries is an important part of predicting reliability and ensuring safety. DRUM is brought to you by the University of Maryland Libraries University of Maryland, College Park, MD 20742-7011 (301)314-1328. Press Esc to cancel. However, accelerated degradation is abnormal and can cause severe problems in Li-ion battery applications. Most of these problems are caused by defects which are difficult to... Nexus 6P smartphones have been beset by battery drain issues, which have been causing premature shutdown of the phone even when the charge indicator displays a significant remaining runtime. zhangyz@umd.edu He just completed his M.S. psm2016@umd.edu Visiting Scholar Junfu Li . He just completed his M.S. This includes delivering extreme-scale solutions that perform at industry best operational levels and innovation in telecom, web, social ecosystems, R&D, application development and deployment, IT planning, IT operations and service delivery. Saurabh Saxena and Michael Pecht Center for Advanced Life Cycle Engineering (CALCE), University of Maryland, College Park, MD 20742, USA. Sorabh Saxena is responsible for AT&T’s technology, software process and tooling, and BSS / OSS architecture transformation. One particular and significant defect pertains to burrs on the... Derating is widely applied to electronic components and products to ensure or extend their operational life for the targeted application. This paper discusses the accelerated testing of 1.5 V, 150 mAh rated non-rechargeable alkaline coin cells, and the monitoring of swelling as a means to assess the... Power banks are used to charge portable electronic devices, including smartphones and tablets. A non-destructive X-ray inspection method was used to assess degradation in the coin cells that can be implemented even when the cells are encased in the final product. Begin typing your search above and press return to search. This page lists the scientific contributions of an author, who either does not have a ResearchGate profile, or has not yet added these contributions to their profile. A full factorial design of experiment with three stress factors—ambient temperature (10 °C,... Lithium-ion batteries typically exhibit a transition to a more rapid capacity fade trend when subjected to extended charge–discharge cycles and storage conditions. iv Li‐ion batteries represent complex electrochemical‐mechanical systems in which various degradation mechanisms are present. 394-400, September 2016. Saurabh Saxena received the B.Tech. Saurabh Saxena. [24,25] developed a thermoelectric coupling model of a three-dimensional lithium battery and analyzed the effects of thermal contact resistance and SEI film on battery heat generation. Batteries in Portable Electronic Devices: A User's Perspective, Saurabh Saxena, Gustavo Sanchez and Michael G. Pecht,IEEE Industrial Electronics Magazine, Volume: 11, Issue: 2, Pg: 35-44. Join ResearchGate to find the people and research you need to help your work. Search DRUM. at Maryland this past spring with a research focus on the “Risk Based Multiobjective Path Planning and Design Optimization for Unmanned Aerial Vehicles.” Saurabh Saxena is a Ph.D. student working under Professor Michael Pecht. The degradation mechanisms were identified by the dV/dQ method. The Graduate School, University of Maryland. Web Accessibility . Saurabh Saxena, Christopher Hendricks and Michael Pecht, Journal of Power Sources, 327 (2016), pp.394-400, 2016. Chongqing Technology and Business University, Center for Advanced Life Cycle Engineering, Role of the rest period in capacity fade of Graphite/LiCoO2 batteries, X-ray based non-destructive method for alkaline coin cell quality assurance, Analysis of Specified Capacity in Power Banks, Accelerated cycle life testing and capacity degradation modeling of LiCoO2-graphite cells, Algorithm to Determine the Knee Point on Capacity Fade Curves of Lithium-Ion Cells, Quantifying the Impact of Prognostic Distance on Average Cost per Cycle, Accelerated degradation model for C-rate loading of lithium-ion batteries, The Explosive Nature of Tab Burrs in Li-Ion Batteries, Derating Guidelines for Lithium-Ion Batteries, Evaluation of Present Accelerated Temperature Testing and Modeling of Batteries, PHM of Li-ion Batteries: Fundamentals, Machine Learning, and the Internet of Things, Anomaly Detection During Lithium-ion Battery Qualification Testing, Analysis of Manufacturing-Induced Defects and Structural Deformations in Lithium-Ion Batteries Using Computed Tomography, A Unique Failure Mechanism in the Nexus 6P Lithium-Ion Battery, Exploding E-Cigarettes: A Battery Safety Issue, Batteries in Portable Electronic Devices: A User's Perspective, Cycle life testing and modeling of graphite/LiCoO2 cells under different state of charge ranges, Application of electrochemical impedance spectroscopy to commercial Li-ion cells: A review, Development of a Comprehensive Model for the Coulombic Efficiency and Capacity Fade of LiFePO4 Batteries under Different Aging Conditions, Investigation of capacity fade for 18650-type lithium-ion batteries cycled in different state of charge (SoC) ranges, Central versus off-grid photovoltaic system, the optimum option for the domestic sector based on techno-economic-environmental assessment for United Arab Emirates, Impacts of Regenerative Braking on Li-Ion Battery, A Review of Lithium-Ion Battery Fault Diagnostic Algorithms: Current Progress and Future Challenges, Experimental and simulation study on thermal characteristics of 18650 lithium–iron–phosphate battery with and without spot–welding tabs, Porous hard carbon microtubes from renewable cotton as high-performance anode material for lithium-ion batteries, Scanning acoustic microscopy as a non-destructive imaging tool to localize defects inside battery cells, Virtualization of Robotic Hands Using Mobile Devices †. Batteries have enabled the use of portable electronic devices, including smartphones, laptops, tablets, e-book readers, and global positioning system (GPS) devices. Center for Advanced Life Cycle Engineering (CALCE), University of Maryland, College Park, MD 20742, USA. Saurabh has been found in 13 states including California, Florida, New Jersey, Maryland, Pennsylvania, and 8 others. degree in electrical engineering from the Indian Institute of Technology (Banaras Hindu University), Varanasi, India, in 2011. Yinjiao Xing's 25 research works with 1,189 citations and 18,297 reads, including: Accelerated degradation model for C-rate loading of lithium-ion batteries Saxena, Saurabh (2020) ... University of Maryland, College Park, MD 20742-7011 (301)314-1328. 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