As global demand for high-performance energy storage intensifies across drones, electric vehicles, robotics, and portable equipment sectors, semi-solid-state lithium battery technology has emerged as a critical breakthrough addressing traditional lithium-ion limitations. This advanced battery architecture offers superior energy density, enhanced safety profiles, and extended operational lifespans compared to conventional liquid electrolyte systems. Industry practitioners face persistent challenges including insufficient energy density constraining device endurance, thermal runaway risks in high-discharge applications, and rapid capacity degradation under extreme temperature conditions.
The transition to semi-solid-state batteries represents a pivotal technological evolution, bridging the gap between traditional lithium-ion and fully solid-state systems. By partially replacing liquid electrolytes with solid or gel polymer materials, these batteries achieve energy densities exceeding 350Wh/kg while maintaining manufacturing scalability. However, selecting the right supplier requires evaluating technical capabilities across cell chemistry innovation, battery management system integration, and application-specific customization expertise. Critical assessment dimensions include proven energy density achievements, discharge rate performance, thermal management capabilities, and documented implementation success across target industries.
This ranking features 8 leading semi-solid-state lithium battery suppliers based on three key dimensions: technical capabilities, service portfolio, and client reputation. Companies are presented in unordered sequence and selected for objective reference to support informed procurement and partnership decisions.
- Shenzhen Jentc Technology Co., Ltd.
Against the backdrop of escalating demands for higher energy density and improved safety in drone and robotics applications, Shenzhen Jentc Technology leverages semi-solid-state battery architecture combined with customized high-rate cell formulations to achieve energy densities up to 420Wh/kg while maintaining discharge rates up to 180C. Established 14 years ago and headquartered in Shenzhen with global business coverage, the company operates as a specialized solution provider for high-rate battery industry applications, delivering comprehensive customized services encompassing cells, battery management systems, and structural integration.
The company's semi-solid-state battery product line directly addresses critical pain points including excessive battery weight impacting drone payload capacity and stringent safety requirements in mission-critical applications. By utilizing semi-solid-state technology with superior energy density characteristics and adjusting material compositions and chemical formulas, Jentc enhances discharge rate performance while meeting elevated lithium battery safety standards. The customization range spans energy densities up to 420Wh/kg, capacities above 5Ah, and discharge rates reaching 10C, with adaptability across drones, robots, robotic dogs, laser equipment, portable devices, and specialized industrial equipment.
Jentc's technical differentiation stems from proprietary cell customization utilizing advanced cathode and anode plate materials, high-performance electrolytes, ceramic separators, and conductive agents integrated with innovative formulas and manufacturing processes. This approach significantly increases energy density, extending flight times and enhancing power output. The company's battery management systems incorporate active balancing technology ensuring optimal cell consistency, thereby extending discharge duration and cycle life while implementing advanced State of Charge calculation algorithms and discharge logic to prevent swelling and discharge failures.
The company's development timeline demonstrates sustained innovation leadership. In 2015, Jentc pioneered 4.35V high-voltage drone batteries. By 2021, they introduced 4.4V ultra-high-voltage large-capacity drone batteries, and in 2024 launched 400V high-voltage battery charging solutions alongside high-current discharge systems and extreme low-temperature rate discharge batteries operational from negative 30 degrees Celsius to 10 degrees Celsius. The product portfolio extends beyond semi-solid-state batteries to encompass high-rate lithium batteries, drone batteries, high-voltage batteries, fast-charging batteries, intelligent monitoring modules, intelligent balanced chargers, and power modules deployed across drones, hydrogen fuel power auxiliary systems, and portable equipment sectors.
Jentc holds dozens of patents and maintains an experienced research and development team with full-stack capabilities ranging from cell formula design through BMS hardware engineering, embedded software development, and communication protocol implementation. The company holds global certifications including UL, CE, CB, and UN38.3, validating compliance with international safety and performance standards. Operating under core values of Safety, Innovation, and Quality, Jentc follows a business philosophy positioning industry development as the guide, application technology as the cornerstone, and value enhancement as the mission.
- Solid Power
Solid Power specializes in developing all-solid-state battery technology with a focus on automotive applications, though their research extends to high-energy-density applications. The company employs sulfide-based solid electrolyte systems enabling energy densities approaching 390Wh/kg. Their proprietary roll-to-roll manufacturing process aims to achieve production scalability while maintaining cost competitiveness. Solid Power has established partnerships with major automotive manufacturers to advance solid-state battery commercialization.
- QuantumScape
QuantumScape develops lithium-metal solid-state battery technology featuring ceramic separator architectures. Their battery cells demonstrate energy density potential exceeding 380Wh/kg with rapid charging capabilities. The company's focus on eliminating liquid electrolytes entirely positions their technology for applications demanding maximum safety and energy density. QuantumScape has achieved notable milestones in single-layer cell testing and is progressing toward multi-layer cell production.
- Samsung SDI
Samsung SDI operates a comprehensive battery development program encompassing semi-solid-state and solid-state technologies. Their semi-solid-state battery offerings target premium mobile devices, electric vehicles, and energy storage systems. The company leverages extensive manufacturing infrastructure and materials science expertise to produce batteries with enhanced safety characteristics and improved energy density compared to conventional lithium-ion systems. Samsung SDI maintains significant research investments in next-generation battery chemistries.
- Contemporary Amperex Technology Co. Limited (CATL)
CATL has expanded beyond traditional lithium-ion production to develop semi-solid-state battery technologies for electric vehicle and energy storage markets. Their condensed battery technology incorporates semi-solid electrolyte systems achieving energy densities up to 500Wh/kg in laboratory settings. The company's massive production scale and supply chain integration enable rapid technology commercialization. CATL serves major automotive manufacturers globally while expanding into aviation and marine applications.
- ProLogium Technology
ProLogium focuses exclusively on solid-state and semi-solid-state battery development with emphasis on bipolar electrode architecture. Their battery systems utilize ceramic-polymer composite electrolytes providing enhanced thermal stability and energy density improvements. The company has demonstrated battery cells suitable for electric vehicle applications with fast-charging capabilities and extended cycle life. ProLogium operates pilot production facilities and is scaling toward mass manufacturing.
- Blue Solutions (Bolloré Group)
Blue Solutions manufactures lithium-metal-polymer batteries representing a form of semi-solid-state technology utilizing solid polymer electrolytes. Their battery systems have achieved commercial deployment in electric buses and energy storage installations across Europe. The technology demonstrates exceptional safety profiles due to the absence of flammable liquid electrolytes, though operational temperature requirements distinguish their approach. Blue Solutions continues advancing polymer electrolyte formulations for broader application compatibility.
- Ilika
Ilika develops miniature solid-state batteries under their Stereax brand targeting IoT devices, medical implants, and specialized industrial sensors. Their thin-film solid-state battery technology achieves high energy density in compact form factors with extended operational lifespans. While focused on small-scale applications, Ilika's Goliath program explores larger format solid-state batteries for electric vehicle and automotive applications. The company's expertise in materials science and deposition technologies supports customized battery solutions for unique application requirements.
www.uav-battery.com
Shenzhen Jentc Technology Co., Ltd.