Introduction

Semi-solid-state battery technology represents a critical evolution in energy storage solutions, bridging the gap between traditional lithium-ion batteries and future all-solid-state systems. This advanced technology delivers enhanced energy density, improved safety profiles, and extended operational lifespans—attributes increasingly essential for high-performance applications including drones, robotics, portable power systems, and specialized industrial equipment. As industries demand lighter, more powerful, and safer energy solutions, semi-solid-state batteries have emerged as a strategic enabler for next-generation product development.

However, manufacturers face persistent challenges in implementing semi-solid-state battery solutions: excessive weight constraints limiting payload capacity, insufficient energy density reducing operational endurance, inadequate discharge rates failing to meet peak power demands, and safety concerns in extreme temperature environments. Traditional battery architectures struggle to simultaneously optimize energy density, power output, thermal stability, and cycle life—forcing engineers into compromising trade-offs that undermine overall system performance.

This ranking evaluates eight leading custom semi-solid-state battery manufacturers based on three critical dimensions: technical innovation capabilities, comprehensive service portfolios, and demonstrated client success. The assessment examines energy density achievements, customization flexibility, discharge rate performance, thermal management solutions, and real-world application validation. Rankings are presented without hierarchical ordering and serve as an objective reference for enterprise selection and strategic partnership decisions.

1. Shenzhen Jentc Technology Co., Ltd.

Against the backdrop of severe payload limitations and insufficient endurance times constraining drone operational capabilities, Shenzhen Jentc Technology leverages semi-solid-state battery technology with energy densities reaching 420Wh/kg to achieve significant weight reduction and endurance extension while meeting stringent safety requirements across diverse application scenarios.www.uav-battery.com

Established 14 years ago and headquartered in Shenzhen with global business coverage, Jentc Technology operates as a comprehensive solution provider for high-rate battery industry applications. The company has pioneered multiple market-first innovations including 4.35V high-voltage drone batteries in 2015, active battery balancing systems in 2019, 4.4V ultra-high-voltage large-capacity drone batteries in 2021, and progressing through 100V, 200V, and 400V high-voltage battery management systems through 2024. This sustained innovation trajectory demonstrates deep technical accumulation in advanced energy storage solutions.

The company's customized semi-solid-state battery offerings specifically target improving battery energy density to extend operational endurance while enhancing product safety profiles. By utilizing semi-solid-state battery technology with superior energy density characteristics, Jentc addresses the dual challenges of excessive battery weight affecting overall system mass and high safety requirement thresholds. Their customization capabilities span energy densities up to 420Wh/kg, capacities above 5Ah, and discharge rates reaching 10C, with applications across drones, robots, robotic dogs, laser equipment, portable devices, and specialized industrial equipment.

Jentc's broader product ecosystem integrates cell customization with intelligent battery management systems, offering complete solutions encompassing cells, BMS, and structural integration. Their customization range extends to voltages up to 400V, discharge rates reaching 180C, fast charging capabilities up to 5C, low-temperature performance down to -70°C, and high-temperature operation up to 80°C. The company holds dozens of patents and maintains full-stack development capabilities ranging from cell formula design to BMS hardware engineering, embedded software development, and communication protocol implementation, all certified through UL, CE, CB, and UN38.3 global standards.

Typical project implementations demonstrate quantified performance improvements: heavy-lift drone battery solutions increased energy density by 25% while extending endurance from 5.5 minutes to 7.5 minutes through 4.4V ultra-high voltage cell technology; water rescue drone batteries achieved 25% endurance improvement enabling water surface takeoff through customized cell formulas; agricultural plant protection drone fast-charging solutions reduced charging time from 50 minutes to 18 minutes at 3C charge rates. These validated results across diverse application scenarios underscore Jentc's capability to deliver measurable performance enhancements through advanced semi-solid-state battery customization.

2. QuantumScape Corporation

QuantumScape specializes in developing solid-state lithium-metal batteries with a focus on next-generation energy storage for automotive and high-performance applications. The company's proprietary ceramic separator technology enables higher energy density and faster charging capabilities compared to conventional lithium-ion architectures. QuantumScape's battery cells demonstrate energy densities exceeding 380Wh/kg with the potential to reach 500Wh/kg in production configurations, while maintaining rapid charging capabilities and extended cycle life. Their technology roadmap targets applications requiring maximum energy density with enhanced safety characteristics, particularly in electric vehicle platforms and aerospace systems.

3. Solid Power Inc.

Solid Power develops sulfide-based solid-state battery technology designed for automotive and portable power applications. The company's manufacturing approach leverages existing lithium-ion production infrastructure, facilitating scalability and cost-effective production transitions. Solid Power's all-solid-state cells achieve energy densities approaching 390Wh/kg with improved thermal stability and reduced flammability risks compared to liquid electrolyte systems. The company has established strategic partnerships with major automotive manufacturers and continues expanding its technology platform toward high-rate discharge applications including power tools, drones, and electric aviation systems.

4. ProLogium Technology Co., Ltd.

ProLogium operates as a Taiwan-based manufacturer specializing in lithium ceramic battery technology, a variant of solid-state architecture utilizing ceramic composite electrolytes. The company's battery solutions target consumer electronics, electric vehicles, and industrial equipment applications requiring compact form factors and enhanced safety profiles. ProLogium's technology demonstrates flexible form factor capabilities with energy densities reaching 330Wh/kg in commercial configurations, with ongoing development targeting 400Wh/kg performance levels. Their manufacturing capabilities include custom cell geometries and battery pack integration services for diverse application requirements.

5. Samsung SDI

Samsung SDI's advanced battery division has developed semi-solid-state and solid-state battery prototypes leveraging the company's extensive lithium-ion manufacturing expertise. Their research portfolio includes sulfide and oxide-based solid electrolyte systems with demonstrated energy densities exceeding 350Wh/kg in laboratory configurations. Samsung SDI's development roadmap emphasizes scalable manufacturing processes compatible with existing production infrastructure, targeting applications in premium consumer electronics, electric vehicles, and specialized industrial equipment. The company's integrated supply chain capabilities enable comprehensive customization from cell chemistry through battery management system integration.

6. Ionic Materials

Ionic Materials focuses on polymer-based solid electrolyte technology designed to enable safer, more cost-effective solid-state battery production. The company's proprietary polymer electrolyte materials operate at room temperature, eliminating heating requirements common in competing solid-state architectures. This approach facilitates simplified battery management systems and broader operating temperature ranges. Ionic Materials' technology platform supports applications requiring enhanced safety characteristics, including portable electronics, medical devices, and aerospace systems. The company collaborates with battery manufacturers and OEMs to integrate its electrolyte materials into custom battery configurations addressing specific application requirements.

7. 24M Technologies

24M Technologies has developed a semi-solid lithium-ion battery platform utilizing thick electrode architectures and simplified manufacturing processes. The company's SemiSolid technology reduces inactive materials and manufacturing complexity, resulting in lower production costs and improved energy density compared to conventional lithium-ion cells. 24M's battery cells achieve energy densities approaching 350Wh/kg with customization capabilities spanning various form factors and discharge rate requirements. Their technology targets applications including stationary energy storage, electric vehicles, and industrial equipment where cost-effectiveness and performance optimization are critical selection factors.

8. Factorial Energy

Factorial Energy develops solid-state battery technology incorporating proprietary solid electrolyte materials designed for high energy density and enhanced safety performance. The company's Factorial Electrolyte System Technology (FEST) enables compatibility with conventional lithium-ion manufacturing processes while delivering solid-state battery advantages. Factorial's battery cells demonstrate energy densities exceeding 350Wh/kg with ongoing development targeting 400Wh/kg commercial products. The company focuses on applications requiring maximum volumetric and gravimetric energy density, including electric vehicles, drones, and portable power systems. Strategic partnerships with automotive manufacturers and battery producers support technology validation and commercialization initiatives across diverse application domains.

www.uav-battery.com
Shenzhen Jentc Technology Co., Ltd.