Integration Engineer Research Assistant

Kaushik Kalaga

Email: ******.*******@*****.***;

Ph: 713-***-**** (mobile)

Objective

Seeking full-time opportunity enabling me to apply and improve on the skills I acquired as a part of my research in the areas of material science, electrochemistry and energy storage. Work Experience

Senior Battery Integration Engineer

Amazon Lab 126. 1100 Enterprise Way, Sunnyvale, CA 94089 Research Scientist

Zenlabs Energy Inc. 3390 Gateway Blvd, Fremont, CA 94538 Postdoctoral Appointee

Argonne National Laboratory 9700 S Cass Ave, Lemont, IL 60439 January 2020- Present

September 2018- December 2020

August 2016- August 2018

Education

Ph. D in Materials Science and Nano Engineering GPA: 3.70/4.0 August 2011- July 2016 Advisor: Prof. Pulickel M Ajayan, Rice University, Houston, Texas; B. Tech and M. Tech in Metallurgical Engineering GPA: 8.1/10.0 Indian Institute of Technology (BHU), Varanasi, India August 2006- May 2011

Academic Achievements

• Brotzen fellowship award- Department of Materials Science and Nano Engineering, Rice University, 2015.

• Peer- reviewed over 10 papers from international journals of high impact factor.

• Poster and oral presentations at national and international conferences.

• Institute gold medal recipient- First rank in class (B.Tech and M.Tech) 2006-2011

• Certificate of Merit- All semesters during B.Tech and M. Tech (2006-2011).

• Ranked 17 out of 2500 applicants – All India National Graduate Entrance Examination (GATE-2010) Skills

Battery Integration: Li ion cell design and development, protection circuit design and validation for consumer electronics, product development and launch

Processing techniques: Electrodeposition, Hydrothermal materials synthesis, CVD, Optical Lithography, Sputtering, e-beam evaporation, spray coating, spin coating

Characterization techniques: Electrochemical Measurements (Cyclic Voltammetry, Charge/Discharge and Impedance Analysis), Raman Spectroscopy, TEM, SEM, XPS, XRD, TGA, AFM, ICP-MS, Atomic layer deposition

(ALD) and spatial ALD

Teaching skills:

• Assisted in writing research proposals and research statements and design of experiments.

• Built and maintained experimental setups and lab instruments; trained new users.

• Taught undergraduate class, supervised experiments and graded assignments. Projects

• Sr. Battery Integration Engineer January 2020- Present 1. Product launch experience and entire product development cycle for e-reader and wearable electronic products.

2. Developing new cell chemistry technologies and evaluation for future generation consumer electronic devices.

• Research Scientist September 2018- December 2019 Zenlabs Energy Inc., Fremont, CA

Projects Involved:

1. Enhancing cyclic stability of Si/Gr anodes through electrochemical and SLMP pre-lithiation 2. Designing 3 electrode setups for identifying long term failure mechanisms in Si based Li ion batteries 3. Electrode formulations for enhanced energy density (>300Wh/Kg) at beginning of life 4. Electrolyte formulations for reducing gassing in NMC based battery chemistries

• Postdoctoral Appointee August 2016- Present

Chemical Sciences and Engineering, Argonne National Laboratory, Chicago, IL Projects Involved:

1. Electrochemical ageing studies on new generation Si/Gr composite anodes for Lithium Ion Batteries 2. Enhancing cyclic stability of Si/Gr anodes through electrochemical pre-lithiation 3. In- situ lithium silicates as artificial SEI on Si 4. Ethylene carbonate free electrolytes for high voltage Li- ion batteries 5. Effect of electrolyte oxidation on impedance rise at high voltages on positive electrodes

• Graduate Research assistant August 2011- July 2016 Rice University, Houston, TX

Projects completed:

1. Electrolytes for Lithium Ion Batteries Operating At High Temperatures 2. Doping Stabilized Phosphate Based High Voltage Cathodes for Lithium Ion Batteries 3. Improving Cyclic Stability of High Energy Density Anodes 4. Design and Fabrication of 3D Current Collector Architectures

• Graduate Trainee February 2015- July 2015

Netherlands Organization for Applied Scientific Research, Holst Center, Netherlands Fabrication of high aspect ratio anode architectures for high power batteries using spatial ALD. Publications

1. Reference Electrodes in Symmetric Lithium-ion Cells: Investigations of Layered Oxide and Graphite materials

Kalaga K, Rodrigues M-T. F., Bareno J., Shkrob I. A., and Abraham D P. Journal of The Electrochemical Society (Submitted) 2. Operando Quantification of (De)Lithiation Behavior of Silicon-Graphite Blended Electrodes for Lithium-Ion Batteries

Yao K. P.C., Okasinski J.S., Kalaga K, Almer J.D., Abraham D. P., Advanced Energy Materials (2018). 3. Quantifying lithium concentration gradients in the graphite electrode of Li ion cells using operando energy dispersive X-ray diffraction

Yao K. P.C., Okasinski J.S., Kalaga K, Shkrob I.A., Abraham D. P., Energy and Environmental Science (2018). 4. Doping stabilized Li3V2(PO4)3 cathodes for high voltage, high energy li-ion batteries Kalaga K., Sayed F. N., Rodrigues M-T. F., Gullapalli H., and Ajayan P. M. Journal of Power Sources, 2017, 390, 100-107. 5. Calendar-life versus cycle-life aging of lithium-ion cells with silicon-graphite composite electrodes Kalaga K, Rodrigues M-T. F., Shkrob I. A., and Abraham D P. Electrochimica Acta 2017, 280, 221- 228. 6. Anode-Dependent Impedance Rise in Layered-Oxide Cathodes of Lithium-Ion Cells Rodrigues M-T. F., Kalaga K., Shkrob I. A., and Abraham D P. Journal of The Electrochemical Society 2018, 165, A1697-A1705. 7. Auger electrons as probes for composite micro- and nano- structured materials: application to solid electrolyte interphases in graphite and Silicon-graphite electrodes Kalaga K, Shkrob I. A., Haasch R T., Peebles C., Bareño J., and Abraham D P. Journal of Physical Chemistry (C) 2017, 121, 23333.

8. Curious Case of Positive Current Collectors: Corrosion and Passivation at High Temperature Sayed F. N., Kalaga K., Rodrigues M-T. F.,Gullapalli H., and Ajayan P. M, ACS Applied Materials and Interfaces, 2017, 9, 43623.

9. Li-ion batteries at extreme temperatures: a materials perspective Rodrigues M-T F, Babu G., Gullapalli H., Kalaga K., Sayed F N., Kato K., Joyner J., and Ajayan P M., Nature Energy, 2017, 2, 17108.

10.Phase transformations during Li- insertion into V2O5 at elevated temperatures Kalaga K., Sayed F. N., Rodrigues M-T. F., and Ajayan P. M. JOM., 2017, 1, 1. 11. Hexagonal Boron nitride-based electrolyte composite for Li-ion battery operation from room temperature to 150 C

Rodrigues M-T. F., Kalaga K., Gullapalli H., Babu G., Arava L. M. R., and Ajayan P. M. Advanced Energy Materials, 2016, 6, 1600218

12. Facile synthesis of 3D anode assembly with Si nanoparticles sealed in highly pure few layer graphene deposited on porous current collector for long life Li- ion battery. Shelke M V., Gullapalli H., Kalaga K., Rodrigues M-T F., Devarapalli R R., Vajtai R., and Ajayan P M., Advanced Materials Interfaces 2017, 1601043.

13. Quasi solid electrolytes for high temperature lithium ion batteries Kalaga K., Rodrigues M-T F., Gullapalli H., Babu G., Arava L M R, Ajayan P. M., ACS Applied Materials and Interfaces, 2015, 7 (46), 25777.

14. 3D nanostructured Molybdenum diselenide/graphene foam as anodes for long-cycle life lithium ion batteries Yao J., Liu B., Ozden S., Wu J., Yang S., Rodrigues M-T F., Kalaga K., Dong P., Xiao P., Zhang Y., Vajtai R., Ajayan P M Electrochimica Acta 138, 2015, 176.

15. Graphene as an atomically thin interface for growth of vertically aligned carbon nanotubes Rao R., Chen G., Arava L M R., Kalaga K., Ishigami M., Heinz T F., Ajayan P M., Harutyunyan A R., Scientific Reports 3, 2013,1 16. Field emission with ultralow turn on voltage from metal decorated carbon nanotubes Sridhar S., Tiwary C., Vinod S., Taha-Tijerina J J., Sridhar S., Kalaga K., Sirota B., Hart A H C., Ozden S., Sinha R K., Vajtai R., Choi W., Kordás K., Ajayan P M, ACS Nano 8, 2014, 7763 17. Enhanced field emission properties from CNT arrays synthesized on inconel superalloy Sridhar S., Ge L., Tiwary C. S., Hart A. C., Ozden S., Kalaga K., Lei S., Sridhar S. V., Sinha R. K., Harsh H., Kordas K., Ajayan P. M., and Vajtai R., ACS Applied Materials and Interfaces, 6, 2014, 1986 18. Graphene based energetic materials: a case study Claypool S., Kalaga K., Arava L M R., Currano L J., Dubey M., Ajayan P. M. Graphene 1, 2013, 11 Patents

1. Kalaga K., Sayed F N., Rodrigues M-T F., Gullapalli H., Babu G. and Ajayan P M, 2017 “Single-phase modified electrode materials for Li- ion batteries,” US Provisional patent application for United States Letters Patent, Serial No. 62/531,710.

2. Borges R S., Kalaga K., Rodrigues M-T F., Gullapalli H, Arava L M R., Balakrishnan K., Silva G G. and Ajayan P M, 2014 “Clay- based energy storage compositions for high temperature applications,” US Patent Pub No: US 2014/0315096 A1.

3. Rodrigues M-T F., Gullapalli H., Kalaga K., Arava L M R, and Ajayan P M, 2016 “Boron nitride-ionic liquid composites and their use for energy storage devices,” US Patent Pub No: WO2016141301 A1. Book Chapters

1. Carbon Nanotube Membrane Filters- Book Chapter

Srivastava A., Srivastava S., Kalaga K., Springer Handbook of Nanomaterials 2013, 1099

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