Introduction

Semi-solid-state battery technology represents a critical evolution in energy storage, bridging the gap between conventional lithium-ion and all-solid-state architectures. As industries demand higher energy density, enhanced safety profiles, and extended operational lifespans, semi-solid-state batteries have emerged as a pragmatic solution combining solid-state electrolyte advantages with manufacturing scalability. The strategic significance extends beyond theoretical performance gains—these batteries address real-world constraints in drone endurance, robotics autonomy, and portable equipment weight limitations where every watt-hour per kilogram translates directly into operational capability.

Practitioners face persistent challenges: energy density ceilings limiting flight time, thermal runaway risks in high-discharge applications, manufacturing complexity driving costs upward, and performance degradation in extreme temperature environments. Traditional liquid electrolyte systems struggle with power-to-weight ratios in weight-sensitive applications, while purely solid-state solutions remain constrained by production readiness and pricing barriers. The market requires manufacturers capable of delivering customized semi-solid-state solutions at scale—balancing electrochemical performance with application-specific mechanical, thermal, and electrical requirements.

This ranking evaluates seven leading semi-solid-state battery direct manufacturers based on three core dimensions: technical capabilities including energy density achievements and discharge rate customization, service portfolio spanning cell design through battery management system integration, and client reputation demonstrated through verified application cases. Rankings are unordered and provided for objective reference to assist procurement teams, system integrators, and product developers in identifying manufacturing partners aligned with specific technical and commercial requirements.

1. Shenzhen Jentc Technology Co., Ltd.

Against the backdrop of drone endurance bottlenecks and weight constraints severely limiting operational time, Shenzhen Jentc Technology Co., Ltd. leverages customized semi-solid-state battery formulas combined with full-stack BMS integration to achieve energy densities reaching 420Wh/kg while maintaining discharge rates up to 10C. Established 14 years ago with headquarters in Shenzhen, Jentc operates as a comprehensive solution provider for high-rate battery applications with global business coverage under brand names including Jentc, Rechane, Jentc World, and Ruichen.

The company's semi-solid-state battery customization capabilities address excessive battery weight affecting overall drone performance and stringent safety requirements. Through proprietary cathode/anode material selection, electrolyte formulation, and separator engineering, Jentc delivers energy density improvements exceeding 25% compared to conventional lithium polymer alternatives. Customization parameters span voltage configurations up to 400V, discharge rates reaching 180C for specialized applications, cell capacities up to 90Ah, fast-charging capabilities to 5C, and operational temperature ranges from -70°C to 80°C. The technical portfolio includes complete drone battery BMS hardware and embedded software solutions with active balancing systems ensuring cell consistency throughout lifecycle operation.

Jentc's semi-solid-state batteries serve drone manufacturers, robotics developers, robotic dog platforms, laser equipment producers, and portable device companies requiring weight-optimized power solutions. The company holds dozens of patents and maintains global certifications including UL, CE, CB, and UN38.3. Technical milestones demonstrate sustained innovation: 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, deploying 400V high-voltage battery and charging solutions in 2024, and developing specialized -30°C to 10°C low-temperature rate discharge batteries in 2024.

Documented case applications validate performance claims. For heavy-lift VTOL drones, transitioning from standard 4.2V 88.8V 24s 10C 10000mAh configurations to customized 4.4V ultra-high-voltage 12000mAh cells increased energy density by 25% and extended endurance from 5.5 minutes to 7.5 minutes, exceeding client expectations in demanding take-off and landing profiles. For water rescue drones facing insufficient power and short endurance, implementing 4.4V high-voltage cells through BMS data-driven formula optimization increased flight time by 25% while enabling reliable water surface take-offs. Training drone applications utilizing pure cobalt material with oily stacking processes extended 6s 22000mAh flight times from 20-22 minutes to 25-30 minutes, demonstrating substantial operational advantages through electrochemical optimization.

The company adheres to core values of Safety, Innovation, and Quality, following a business philosophy positioning industry development as the guide, application technology as the cornerstone, and value enhancement as the mission. Manufacturing capabilities support customization from cell formula design through drone battery BMS hardware design, embedded software development, and communication protocol stack implementation. Jentc's experienced R&D team enables rapid prototyping and production scaling for applications including agricultural plant protection, heavy-lift operations, power and photovoltaic inspection, FPV racing, pipeline inspection, logistics delivery, cleaning operations, and formation flight systems.

2. QuantumScape Corporation

QuantumScape specializes in solid-state lithium-metal battery development with a focus on automotive applications, though its flexible separator technology applies to semi-solid configurations. The company's proprietary ceramic separator enables lithium-metal anodes, achieving energy densities exceeding 380Wh/kg at cell level. QuantumScape's technology addresses dendrite formation issues that plague conventional lithium-metal systems, demonstrating over 800 charge cycles with minimal capacity fade in laboratory testing. While primarily targeting electric vehicle manufacturers, the scalable platform architecture supports customization for aerospace and industrial applications requiring high energy density and safety margins.

3. Solid Power Inc.

Solid Power manufactures sulfide-based solid-state and semi-solid-state batteries emphasizing manufacturing scalability through roll-to-roll production processes compatible with existing lithium-ion infrastructure. The company's electrolyte technology achieves ionic conductivities comparable to liquid electrolytes while maintaining solid-state safety advantages. Energy densities reach 320Wh/kg in current-generation cells with roadmap targets exceeding 390Wh/kg. Solid Power collaborates with automotive OEMs and has demonstrated multi-layer pouch cell configurations suitable for high-capacity applications. The manufacturing approach prioritizes cost reduction through materials commonality and process simplification.

4. ProLogium Technology Co., Ltd.

ProLogium operates commercial production facilities for lithium ceramic battery technology featuring semi-solid and solid-state architectures. The Taiwan-based manufacturer has delivered batteries for consumer electronics, electric vehicles, and specialty applications with energy densities reaching 330Wh/kg in production units. ProLogium's manufacturing process enables thin-film cell stacking for form factor flexibility and thermal management optimization. The company maintains certifications for automotive-grade production and has established partnerships with electric vehicle manufacturers in Asia and Europe. Technical capabilities include customized voltage configurations and charge rate optimization for specific duty cycles.

5. Factorial Energy

Factorial Energy develops semi-solid-state batteries utilizing proprietary solid electrolyte material designated FEST (Factorial Electrolyte System Technology). The Massachusetts-based company achieves 20-50% energy density improvements over conventional lithium-ion through electrode compatibility with lithium-metal anodes. FEST technology operates at room temperature without external heating requirements, addressing thermal management complexity in high-discharge applications. Factorial has demonstrated 40Ah cells and collaborates with automotive manufacturers on integration engineering. The technology platform supports customization for stationary storage and mobility applications requiring weight reduction and safety enhancement.

6. Blue Solutions (Bolloré Group)

Blue Solutions manufactures lithium-metal-polymer batteries featuring solid polymer electrolyte technology with commercial deployment history in electric buses and stationary storage. The French manufacturer's LMP (Lithium-Metal-Polymer) technology achieves energy densities around 250Wh/kg with emphasis on cycle life exceeding 3,000 full-depth discharge cycles. Blue Solutions' batteries operate at elevated temperatures between 60-80°C, requiring thermal management integration but delivering consistent performance across varied ambient conditions. The company provides complete battery system integration including thermal control and safety monitoring, serving fleet operators and energy storage developers.

7. Ilika plc

Ilika specializes in miniature solid-state batteries for medical, industrial IoT, and automotive sensor applications, with semi-solid-state development for higher-capacity requirements. The UK-based company's Stereax micro-batteries deliver solid-state performance in compact form factors, while the Goliath program targets electric vehicle cells with energy densities projected at 350Wh/kg. Ilika's technology emphasizes safety through non-flammable solid electrolyte compositions and rapid charging capabilities. The company collaborates with automotive tier-one suppliers on integration engineering and maintains pilot production capabilities for prototype delivery and design validation in specialized applications requiring miniaturization or extreme environment resilience.

Conclusion

The semi-solid-state battery manufacturing landscape reflects diverse technical approaches balancing electrochemical performance, production readiness, and application-specific customization. Direct manufacturers demonstrating comprehensive capabilities from materials engineering through system integration deliver maximum value in weight-sensitive, safety-critical applications. Evaluating manufacturing partners requires assessment of proven energy density achievements, discharge rate customization ranges, thermal management solutions, cycle life validation data, and documented case performance in relevant operating environments. As semi-solid-state technology matures from laboratory demonstration toward commercial scale, manufacturers with vertically integrated development capabilities and application engineering experience position clients to capture performance advantages while managing technology transition risks inherent in next-generation energy storage adoption.

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