Success Story: Advancing Safer Energy Storage Through Next-Generation Battery Systems: I-140 NIW Approval Secured for a Chinese Battery Systems Researcher
On May 14th, 2026, we received another EB-2 NIW (National Interest Waiver) approval for a Research Assistant in the field of Battery Systems (Approval Notice).
General Field: Battery Systems
Position at the Time of Case Filing: Research Assistant
Country of Origin: China
State of Residence at the Time of Filing: New York
Approval Notice Date: May 14th, 2026
Processing Time: 1 month, 25 days (Premium Processing Requested)
Case Summary:
The transition to cleaner and more resilient energy infrastructure depends heavily on battery technologies that are safer, more affordable, and easier to scale. This case involved a Chinese battery systems researcher whose work focuses on integrating advanced materials characterization and electrochemical measurement techniques to develop and optimize next-generation battery systems, particularly sodium-ion and solid-state batteries. At the time of filing, the client was conducting research at a U.S. research institution, where he continued work on sulfide-based solid-state batteries, sodium-ion battery cathodes, dry-processing methods, electrochemical stability, interfacial compatibility, and scalable battery manufacturing.
Research Contributions in Battery Systems
The client’s research addresses several of the technical barriers that limit large-scale adoption of emerging battery technologies. His work has contributed to hydride-based interlayers for anode-free solid-state batteries, structural analysis of sulfide solid electrolytes, dry-processing strategies for sodium-ion cathodes, and studies of aging behavior in thiophosphate-based solid-state batteries. These contributions support safer, higher-performing, and more manufacturable battery systems for clean energy storage, grid reliability, and future electric technologies.
Academic Contributions and Recognition
The client’s record included 5 peer-reviewed journal articles, 27 citations, and at least 3 peer reviews for authoritative journals in battery systems and related fields. His work appeared in respected energy, materials, and electrochemistry journals, including highly ranked venues in engineering, materials science, and electrochemistry. One of his papers ranked among the top 10% most cited engineering publications for its publication year, reflecting meaningful reliance on his work by other researchers.
Expert Endorsements
Recommendation letters submitted with the petition emphasized the importance of the client’s battery systems research to energy security, cost-effective energy storage, and next-generation battery development. Experts also highlighted how his work on interfacial stability, electrochemical performance, and scalable battery manufacturing supports broader clean energy and domestic battery innovation goals. One expert stated:
“The importance of [client]’s research to increasing energy security while reducing the costs associated with its storage and production is evident, given the breakthroughs that it has fostered in these areas and in the field of battery systems more generally.”
This endorsement helped show that the client’s work is not limited to laboratory research but instead contributes to practical challenges in battery safety, energy affordability, grid-scale storage, and the development of more sustainable energy infrastructure.
NIW Approval and Outlook
The I-140 NIW petition was filed on March 19th, 2026, later upgraded to Premium Processing, and approved on May 14th, 2026. This approval recognized the national importance of the client’s work in battery systems and the value of his research in advancing safer, more sustainable, and more scalable energy storage technologies. With this approval secured, the client is well-positioned to continue advancing sodium-ion and solid-state battery research in the United States. His work supports the development of resilient clean energy infrastructure, stronger domestic battery innovation, and more reliable energy storage systems for the future.