Diyi Cheng

email: d3cheng at

Diyi received his B.S. in Material Physics from Jilin University in China. His previous research focused on nickel–cobalt layered double hydroxide nanosheets for high-performance supercapacitor electrode materials. Currently he is working on lithium thin film battery and solid-state electrolyte.


Hyeseung (Haelie) Chung

email: hyc022 at

Haelie received her B.S. in Chemical Engineering from Cornell University. Her previous research focused on metal adhesion using electrospinning method. After her graduation, she worked for Samsung SDI. Her current research involves optimizing and understanding the polyol process to synthesis high-voltage cathode materials for Li-ion batteries.


Dan Davies

email: danielmdavies at

Dan received his B.S. in Mechanical Engineering from Princeton University. His current work is focused on the use of Liquefied Gas Electrolytes for Lithium batteries.

Macwin Savio D’Souza

email: msdsouza at
Macwin graduated with a Bachelors’ in Chemical Engineering from RVCE, Bangalore, India in 2016. After graduating he joined Reliance Industries Limited, India as a Process Engineer where he focused on the manufacturing of organic polymers such as polyvinyl chloride (PVC) for the petrochemical industry. He is currently pursuing a Masters’ in Materials Science and Engineering at UC San Diego. His research interest is in the field of electrochemical energy storage. Currently, he is involved in the development of high capacity silicon anode materials for the next generation Lithium-ion batteries.

Chengcheng Fang

email: chf008 at

Chengcheng received her B.S. in Materials Science and Engineering from Zhejiang University and M.Phil. from Hong Kong University of Science and Technology. Her previous work focused on Si-based nano composite anode materials for lithium ion batteries. Her current project in the LESC group is to develop advanced electrode materials for rechargeable batteries.

Oeystein Fjeldberg

ofjeldbe at

Oeystein received B.S. in Chemistry in 2017 from Wingate University in North Carolina (minors in math, physics, and communication). He is interested in using nanoengineering for materials design of emerging solar cell technologies such as hybrid organic/inorganic perovskites.

Hayley Hirsh

email: hhirsh at

Hayley received her B.S. in Materials Science and Engineering from Cornell University. Her previous research included transition metal oxide catalysts for hydrogen fuel cells. Her current research interests include the synthesis and characterization of cathode materials for sodium ion batteries.

Yixuan Li

email: yil889 at

Yixuan received her B.S. in New Energy Science and Engineering from Nanjing University in China. Her previous research focused on developing cathode materials for Li-ion batteries and Li-air batteries. Her current research involves synthesis and characterization of advanced electrode materials for Li-ion batteries.

Bingyu Lu

blu at
Bingyu received his B.S. in Chemical Engineering from University of California, San Diego. His previous research focused on developing Li-Air Batteries and the application of Cryo-TEM on the characterization of Lithium Metal Batteries. He is currently working on the synthesis and characterization of protective layers for lithium metal.

Han Nguyen

email: hannguyen858 at

Han Nguyen is an alumnus of UCSD in Nanoengineering (2014). He is currently pursuing his Ph.D. under the advisement of Professor Ying Shirley Meng. His research interest is in the development of all-solid-state batteries. He investigates the synthesis, processing, and electro-chemical properties of solid-state electrolytes that enable all-solid-state batteries. His current research interests are in close collaboration with industry partners such as: Shell and LG-Chem. He has interned with General Motors and Tesla Motors research and development team working on advanced battery technologies.

Pritesh Parikh

email: priteshparikh at

Pritesh Parikh graduated from BITS-Pilani Hyderabad Campus with a Bachelor’s degree in Electronics and Communications Engineering and a Master’s Degree in Physics. Pritesh is interested in exploring nanoscale structure-property relations using focused ion beam and atom probe tomography. He has worked previously with finFETs, battery cathode materials and perovskite solar cells.  His current research involves exploring fundamentals of Si anodes for high energy density Li-ion batteries.

Baharak Sayahpour

email: bsayahpo at

Baharak received her B.Sc. in Chemical Engineering from University of Tehran and M.Sc. in Mechanical Engineering from University of Illinois at Chicago. Her research background is in the synthesis and characterization of nanomaterials for Lithium-air batteries. She is interested in the development of novel electrocatalytic systems for future energy storage technologies.

Jonathan Scharf

email: jdscharf at

Jonathan received his B.S. in Electrical Engineering with honors in 2016 from the University of Massachusetts, Amherst. Alongside his PhD studies, he earned an M.S. in Nanoengineering at the University of California San Diego with research focused on potential induced degradation in silicon solar modules. His previous work focused on memristor nanodevice fabrication and characterization for neuromorphic computing. Jonathan’s current projects focus on solid state batteries for sustainable grid storage and stretchable zinc batteries for wearable electronics.


Darren Tan Huan Shen

email: dht020 at

Darren graduated from the National University of Singapore with a Bachelor in Chemical Engineering. He previously worked on developing transition metal based cathodes for lithium sulfur battery applications. His current research involves development of various solid state chemistries to improve performance in lithium and sodium sulfur cells.

Ryosuke Shimizu

email: ryshimiz at
Ryosuke received B.S. and M.S. in Physics from Tohoku University in Japan. His previous focus was a surface structure of ionic liquids by SFG spectroscopy. Then, he had worked at Honda R&D as an engineer for a few years. Currently, he is working on thin-film battery.


Erik Wu

email: eaw003 at

Erik graduated with a B.S. in Materials Science and Engineering from UC Berkeley. He is interested in energy technologies and has worked in industry doing process development and optimization of solar cells before coming to UC San Diego. His current research involves the synthesis, processing, characterization, and evaluation of sodium and lithium-based solid-state electrolyte materials.

Thomas Wynn

email: thomasawynn at

Tom graduated from The Ohio State University with a B.S. in Materials Science & Engineering. He worked at Los Alamos National Laboratory, using advanced microscopy techniques to characterize metallic and nuclear fuel interfaces. He then earned an M.S. from UC Davis, studying magnetic anisotropy in complex oxide thin films by soft x-ray spectroscopy. He is currently applying his background in advanced characterization and film growth to understand changes in interfacial structure and composition that limit solid-state battery performance.

 Yangyuchen Yang

email: yay081 at

Yang received his B.S. in Material Science&Engineering from Peking University in China. His previous work was focused on the synthesis, assessment of Metal-Organic Framework (MOF) and applications of MOF-derived nano-porous particles on energy storage fields. He currently working on the development of liquefied gas electrolyte and enable Li metal anode by comprehensive approaches.

Weiliang Yao

email: w1yao at

Weiliang received his B.S. in Materials Science and Engineering from Illinois Institute of Technology(IIT). His previous researches focused on synthesis and characterization of nano-sized LiCoO2 as well as LiAlO2-Al2O3 surface modification on nano-sized LiCoO2.  He is now a M.S Thesis student in Materials Science and Engineering and his current project is to develop cobalt free cathode materials with bulk and surface stability at high working temperature.

Yijie Yin

email:  yyijie at

Yijie Yin graduated from Shanghai Jiao Tong University with a Bachelor of Science in Materials Science and Engineering and a Bachelor of Arts in history. He was also selected to participate in the Excellent Engineer Training Program in SJTU. He was previously involved in synthesizing supramolecular hydrogels and study their applications on cell adhesion and growth in tissue engineering. He is now pursuing a master degree and his current project is to develop a new advanced electrolyte for next generation Lithium Metal battery.

Yihui Zhang

email yiz873 at

Yihui received her B.S. in Materials Chemistry from Beijing Jiaotong University. Her previous work focused on SnO2 nanorods-graphene composite anode materials for lithium ion batteries. Currently, she is working on Li metal batteries in the LESC group.



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