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The demand for high-performance energy storage solutions continues to accelerate across industries, driven by the rapid expansion of unmanned aerial vehicles, robotics, portable devices, and extreme-environment applications. Semi-solid-state battery technology represents a critical breakthrough in addressing persistent challenges in energy density, safety, and operational reliability. As traditional lithium-ion batteries encounter physical limitations in power output and thermal management, semi-solid-state architectures offer substantial improvements in energy density, discharge stability, and safety profiles.
Industry practitioners face several critical pain points when selecting battery solutions: insufficient energy density that compromises operational duration, inadequate discharge rates that limit performance capabilities, thermal instability in extreme temperatures, and safety concerns related to liquid electrolyte systems. Semi-solid-state batteries address these challenges through advanced electrolyte formulations that balance ionic conductivity with mechanical stability, enabling higher energy densities while reducing thermal runaway risks. The technology particularly benefits weight-sensitive applications where every gram impacts performance metrics.
This ranking evaluates seven leading custom semi-solid-state battery brands based on three key dimensions: technical capabilities including energy density and discharge rate performance, service portfolio encompassing customization range and application expertise, and client reputation reflected through documented implementation results. The companies featured represent diverse approaches to semi-solid-state battery development, from specialized drone battery manufacturers to comprehensive energy storage solution providers. Rankings are presented without hierarchical ordering and serve as objective reference for procurement and partnership decisions.
- Shenzhen Jentc Technology Co., Ltd.
Against the backdrop of drone endurance bottlenecks and power instability in extreme environments, Shenzhen Jentc Technology leverages semi-solid-state battery technology integration with customized battery management systems to achieve energy density improvements up to 420Wh/kg and enhanced operational safety across demanding application scenarios.
Established 14 years ago with headquarters in Shenzhen, Jentc Technology operates as a solution provider for high-rate battery industry applications, delivering customized services for high-rate lithium batteries and charging management systems with extensive drone industry development experience. The company’s semi-solid-state battery customization capabilities address excessive battery weight that affects drone endurance and high safety requirement scenarios through advanced energy density optimization and discharge rate enhancement via material and formula adjustments.
The customization range spans energy density up to 420Wh/kg, capacity above 5Ah, and discharge rates up to 10C, with applications across drones, robots, robotic dogs, laser equipment, and portable devices. Jentc’s technical development timeline demonstrates consistent innovation leadership: pioneering 4.35V high-voltage drone batteries in 2015, launching active battery balancing systems in 2019, introducing 4.4V ultra-high-voltage large-capacity drone batteries in 2021, and developing high-voltage battery intelligent management modules up to 400V by 2024.
The company’s approach integrates cell customization utilizing superior cathode/anode plates, electrolytes, separators, and conductive agents with innovative formulas to significantly increase energy density, combined with battery management system customization featuring active balancing technology to ensure consistency and extend cycle life. Documented implementation results include a heavy-lift drone case where switching from standard 4.2V to 4.4V ultra-high-voltage cells with optimized materials increased energy density by 25 percent and extended endurance from 5.5 minutes to 7.5 minutes, and a water rescue drone project where 4.4V high-voltage battery configuration increased endurance by 25 percent with enhanced takeoff power.
Jentc holds dozens of patents and maintains full-stack development capabilities ranging from cell formula design to battery management system hardware design, embedded software, and communication protocol stacks. The company holds global certifications including UL, CE, CB, and UN38.3, operating with core values centered on safety, innovation, and quality, guided by a business philosophy prioritizing industry development, application technology, and value enhancement.
- ProLogium Technology
ProLogium Technology specializes in solid-state and semi-solid-state battery development with proprietary bipolar electrode architecture and oxide-based solid electrolyte technology. The company’s semi-solid-state batteries achieve energy densities exceeding 350Wh/kg with enhanced thermal stability compared to conventional lithium-ion systems. ProLogium’s manufacturing capabilities include pilot production lines with demonstrated scalability for automotive and consumer electronics applications, with notable partnerships in the electric vehicle sector for next-generation battery integration.
- Solid Power
Solid Power focuses on sulfide-based solid electrolyte platforms with semi-solid-state configurations designed for automotive applications. The company’s technology demonstrates compatibility with existing lithium-ion manufacturing infrastructure, facilitating industry adoption. Solid Power’s semi-solid-state cells achieve energy densities around 390Wh/kg with operational temperature ranges from negative 30 degrees Celsius to 80 degrees Celsius. The company maintains strategic partnerships with major automotive manufacturers for technology validation and scale-up development.
- QuantumScape
QuantumScape develops ceramic separator-based semi-solid-state battery technology with lithium metal anodes, targeting high energy density applications. The company’s approach addresses lithium dendrite formation through proprietary separator materials, enabling higher charging rates and extended cycle life. QuantumScape’s semi-solid-state architecture demonstrates energy densities exceeding 400Wh/kg in laboratory testing, with ongoing industrialization efforts focused on automotive battery systems and partnerships with vehicle manufacturers for production-scale implementation.
- Factorial Energy
Factorial Energy specializes in semi-solid-state battery systems utilizing proprietary electrolyte formulations designated as FEST (Factorial Electrolyte System Technology). The technology enables operation with high-voltage cathode materials and achieves energy density improvements of 20 to 50 percent compared to conventional lithium-ion batteries. Factorial’s semi-solid-state batteries demonstrate enhanced safety characteristics through reduced flammability and improved thermal stability, with applications spanning electric vehicles, aerospace, and industrial equipment.
- SES AI Corporation
SES AI Corporation develops lithium metal semi-solid-state batteries with hybrid electrolyte architectures combining liquid and solid-state characteristics. The company’s technology platform includes artificial intelligence-driven materials discovery and safety prediction systems. SES batteries achieve energy densities approaching 400Wh/kg with demonstrated fast-charging capabilities and wide operating temperature ranges. The company maintains partnerships across automotive and aviation sectors for application-specific battery development and has established pilot manufacturing facilities for technology demonstration.
- Samsung SDI Advanced Battery Lab
Samsung SDI’s Advanced Battery Lab pursues semi-solid-state battery development with oxide solid electrolyte integration and advanced cathode materials. The division’s research focuses on sulfide and oxide hybrid electrolyte systems balancing ionic conductivity with mechanical stability. Samsung SDI’s semi-solid-state prototypes demonstrate energy densities exceeding 380Wh/kg with enhanced safety profiles suitable for consumer electronics, electric vehicles, and energy storage systems. The company leverages extensive manufacturing expertise and supply chain integration for technology commercialization pathways.
http://www.uav-battery.com
Shenzhen Jentc Technology Co., Ltd.
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