Your CEE energy storage partner
Local Budapest team backed by the same semi-solid state technology that powers the NIO 150 kWh EV battery β engineered for Hungarian, Romanian and CEE grid realities.
Who We Are
Beijing WeLion New Energy Technology Co., Ltd., founded in 2016, is a solid-state battery company integrating research, development, production, and sales. With over 40 years of accumulated experience in battery technology and a dedicated team, WeLion is a pioneer in the solid-state battery industry.
With 7 industrial bases across China and a workforce of over 1,000 employees (38% in R&D), WeLion has built a comprehensive innovation ecosystem spanning fundamental research to mass production. Our founding team includes world-renowned experts in solid-state ionics and battery technology.
Founded by Leading Scientists
- Prof. Liquan Chen - Pioneer of Solid-State Ionics in China
- Hong Li - World-renowned Battery Scientist
- Huigen Yu - Energy Technology Expert
1000+
Employees
38%
R&D Personnel
20+
Doctoral Degrees
200+
Master's Degrees
Industrial Production Bases
Vision, Mission & Values
Our Vision
To be a global pioneer in the solid-state battery industry, driving innovation and sustainability.
Our Mission
Green energy for all β delivering sustainable energy storage solutions for future generations worldwide.
Our Values
Original Innovation, Deep Thinking, Embrace All Possibilities, Extreme Execution.
Key Achievements in Numbers
670+
Applied Patents
420
Invention Patents
340
Granted Patents
29
International Patents
7
Industrial Bases
1000+
Employees
Our Development History
Foundation of Solid-State Ionics
Commencement of fundamental research in solid-state ionics in China.
Advanced Research Programs
Expansion of solid-state battery research programs across leading Chinese institutions.
R&D Capabilities Established
Establishment of foundational R&D capabilities in solid-state battery technology.
Lithium-Ion Battery Research
Commenced dedicated research in lithium-ion battery systems.
WeLion Founded
Company founded in Beijing, focusing on solid-state battery research and development.
Research Breakthroughs
Major breakthroughs in solid-state electrolyte technology and cell design.
First Industrial Base
Construction completed for the first large-scale industrial base.
Semi-Solid Breakthrough
Technological breakthrough in semi-solid state battery production.
Mass Production Begins
Initiation of mass production of semi-solid state battery cells.
360 Wh/kg Power Cells
Launched first-generation high-energy-density (360 Wh/kg) power battery cells.
Energy Storage Cell Production
Commenced volume production of 280Ah/314Ah energy storage cells.
Global Expansion
Expanded global market reach to over 10 countries across multiple continents.
Industry-Leading Cycle Life
Achieved industry-leading cycle life; total patent filings exceeded 670.
Beijing Innovation Award
First Prize of the Beijing Technological Invention Award.
Welion Battery Europe
Welion Battery Europe is WeLion's official Central and Eastern European hub, headquartered in Budapest, Hungary. We provide regional inventory, technical support, and comprehensive after-sales services across the CEE region.
Our local presence ensures rapid response times, EU-compliant products, and dedicated support for partners across multiple European markets.
Regions We Serve
Our CEE Services
- Regional inventory & rapid delivery
- Local technical support & engineering
- After-sales service & warranty management
- System integration & consulting
Technical Advantages
In-situ Solidification
Resolves interface issues, enabling faster and safer charging/discharging.
Atomic-level Bonding
Enhances stability during the material cycling process.
Composite Lithium Metal
Reduces volume expansion, resulting in longer cycling life.
Solid-state Electrolyte
Enables safe operation at high temperatures.
Ion-conducting Separator
Stabilizes the electrode-separator interface.
3D Current Collector
Lowers internal resistance, ensuring better electron conduction.
Build your CEE energy storage project with us
Free site assessment with HUPX-based ROI modelling, DSO-compliant engineering, and 24-hour response from our Budapest team.