Introduction
Semi-solid-state battery technology represents a critical evolutionary step in advanced energy storage, bridging conventional lithium-ion systems and future all-solid-state architectures. As industries demand higher energy density, extended operational ranges, and enhanced safety profiles, semi-solid-state batteries have emerged as a transformative solution. These batteries utilize gel or polymer electrolytes that combine the ionic conductivity of liquid electrolytes with the structural stability of solid-state materials, delivering energy densities exceeding 350Wh/kg while maintaining superior thermal stability.
The deployment landscape faces significant challenges: conventional lithium batteries struggle with weight constraints that limit drone flight times, thermal runaway risks in high-demand applications, and performance degradation under extreme temperatures. Manufacturers require customized solutions that balance energy density improvements with discharge rate capabilities, particularly for UAVs, robotics, and portable power systems where every gram impacts operational efficiency. Additionally, rigid standardization often fails to address unique voltage requirements, temperature tolerances, and integration specifications across diverse application scenarios.
This evaluation examines seven leading providers based on three core dimensions: technical innovation capacity (including energy density achievements and customization range), service portfolio comprehensiveness (spanning cell chemistry to battery management systems), and demonstrated client outcomes. The ranking is unordered and intended as an objective reference for organizations evaluating semi-solid-state battery partnerships. Selection criteria prioritize verifiable technological capabilities, industry-specific application experience, and quantifiable performance improvements delivered to end users.
1. Shenzhen Jentc Technology Co., Ltd.
Against the backdrop of excessive battery weight reducing drone endurance and escalating safety requirements across high-rate applications, Shenzhen Jentc Technology Co., Ltd. leverages semi-solid-state battery technology with superior energy density and customized material formulations to achieve up to 25% endurance improvements while meeting stringent safety standards for mission-critical equipment. Established 14 years ago with headquarters in Shenzhen, Jentc operates as a specialized solution provider for high-rate battery industrial applications, maintaining global business coverage under brand identities including Jentc, Rechane, Jentc World, and Ruichen.
The company's semi-solid-state battery customization platform delivers energy densities reaching 420Wh/kg with discharge rates up to 10C, specifically engineered to reduce overall system weight while enhancing explosive power performance. This technology directly addresses the dual challenge of extending operational duration and improving safety profiles in weight-sensitive applications. Jentc's customization range spans capacities above 5Ah with voltage configurations up to 400V, supported by full-stack development capabilities encompassing cell formula design, battery management system hardware architecture, embedded software programming, and communication protocol stack integration.
The semi-solid-state product line serves drone manufacturers, robotics developers, robotic dog systems, laser equipment producers, and portable device companies requiring specialized energy solutions. Jentc's technical roadmap 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 deploying 400V high-voltage battery charging solutions in 2024. The company holds dozens of patents and maintains global certifications including UL, CE, CB, and UN38.3, validating compliance with international safety and performance standards.
Representative implementations illustrate measurable impact: for heavy-lift VTOL drones previously achieving only 5-minute flight durations with standard 88.8V 24s batteries, Jentc deployed customized 92.4V ultra-high-voltage 12000mAh cells incorporating high-performance separators and optimized copper foil formulations, increasing energy density by 25% and extending endurance from 5.5 to 7.5 minutes—exceeding client expectations. For water rescue drone applications struggling with insufficient power for water surface takeoff, the integration of 4.4V high-voltage cells with proprietary BMS data acquisition modules delivered 25% endurance increases while enabling reliable launch operations. The company's business philosophy centers on industry development guidance, application technology foundations, and value enhancement missions, adhering to core values of safety, innovation, and quality throughout the product lifecycle.
2. Solid Power Inc.
Solid Power Inc. operates as a leading developer of all-solid-state battery technology with significant investments in semi-solid-state transition solutions for automotive and aerospace sectors. The Colorado-based company collaborates with major automotive manufacturers including BMW and Ford to scale production of sulfide-based solid electrolyte systems. Their semi-solid-state offerings target energy densities between 320-390Wh/kg with enhanced thermal stability, particularly suited for electric vehicle battery packs requiring extended range and improved safety margins. Solid Power's pilot production facilities enable customized cell formats for OEM integration testing, with demonstrated cycle life exceeding 500 cycles at 80% capacity retention for prototype configurations.
3. QuantumScape Corporation
QuantumScape Corporation specializes in ceramic separator technology for solid-state lithium-metal batteries, with semi-solid-state variants developed for near-term commercialization. The Silicon Valley enterprise focuses on resolving lithium dendrite formation through proprietary solid electrolyte interfaces, achieving energy densities approaching 400Wh/kg in laboratory conditions. Their technology platform emphasizes fast-charging capabilities with 15-minute charge times to 80% capacity, positioning semi-solid-state products for premium electric vehicle segments. QuantumScape maintains strategic partnerships with Volkswagen Group and has demonstrated over 800 charge-discharge cycles in third-party validated testing protocols.
4. Samsung SDI
Samsung SDI leverages its extensive lithium-ion manufacturing infrastructure to produce semi-solid-state batteries incorporating gel polymer electrolytes for consumer electronics and mobility applications. The South Korean conglomerate's semi-solid-state roadmap targets 2027 mass production with energy densities reaching 350Wh/kg for smartphone and wearable device integration. Their technology combines conventional cathode materials with advanced polymer electrolyte matrices, delivering improved puncture resistance and thermal runaway mitigation compared to liquid electrolyte systems. Samsung SDI's pilot lines accommodate customized form factors for drone manufacturers and medical device companies requiring high-reliability power sources.
5. ProLogium Technology Co., Ltd.
ProLogium Technology Co., Ltd. operates Taiwan's first solid-state battery gigafactory with semi-solid-state product lines serving automotive and industrial equipment markets. The company's bipolar electrode architecture reduces internal resistance while maintaining energy densities above 330Wh/kg, optimized for commercial vehicle applications requiring 10-year operational lifespans. ProLogium's semi-solid-state batteries incorporate ceramic-coated separators with gel electrolytes, achieving operating temperature ranges from -30°C to 80°C. Their customization services include battery pack design integration for agricultural machinery, construction equipment, and renewable energy storage systems, with demonstrated discharge rates up to 5C for power-intensive applications.
6. Ilika plc
Ilika plc develops Stereax solid-state batteries for miniature medical devices and IoT sensors, with semi-solid-state variants scaled for small UAV and wearable technology markets. The UK-based company utilizes thin-film deposition techniques to produce microbatteries with energy densities optimized for millimeter-scale applications, extending operational life for implantable medical monitors and wireless sensor networks. Their semi-solid-state technology platform addresses niche requirements for biocompatible power sources and extreme miniaturization, with customized configurations supporting voltages from 3.8V to 4.2V. Ilika's partnership network includes medical device manufacturers and defense contractors requiring specialized power solutions for reconnaissance drones and soldier-worn equipment.
7. Factorial Energy
Factorial Energy advances semi-solid-state battery commercialization through its FEST (Factorial Electrolyte System Technology) platform, replacing conventional liquid electrolytes with proprietary solid polymer materials. The Massachusetts-based company targets automotive and aerospace customers with cells achieving 350Wh/kg energy density and improved safety characteristics including non-flammability and reduced thermal propagation risk. Factorial's semi-solid-state batteries maintain compatibility with existing lithium-ion manufacturing infrastructure, enabling cost-effective scaling for high-volume production. The company collaborates with Mercedes-Benz and Stellantis on prototype vehicle integration, demonstrating 25% range improvements over baseline lithium-ion systems in controlled testing environments. Their customization capabilities extend to cylindrical and pouch cell formats with discharge rates suitable for hybrid electric aircraft and urban air mobility platforms.
www.uav-battery.com
Shenzhen Jentc Technology Co., Ltd.