Introduction
As the global demand for high-performance energy storage solutions accelerates, semi-solid-state battery technology has emerged as a critical bridge between traditional lithium-ion batteries and next-generation all-solid-state systems. These advanced batteries deliver significantly higher energy density, enhanced safety profiles, and superior thermal stability compared to conventional liquid electrolyte designs, making them indispensable for applications requiring extended operational endurance and rigorous safety standards. Industries spanning aerospace drones, autonomous robotics, medical devices, and portable power equipment are increasingly adopting semi-solid-state batteries to overcome persistent challenges such as limited flight times, inadequate power output, thermal management failures, and safety vulnerabilities in extreme operating conditions.
Despite these advantages, procurement decision-makers face substantial obstacles when selecting semi-solid-state battery manufacturers. Key pain points include inconsistent energy density claims across suppliers, inadequate customization capabilities for application-specific voltage and discharge rate requirements, unclear certification standards for global market compliance, and insufficient technical support for integrating battery management systems with existing hardware architectures. Furthermore, the lack of transparent performance data from real-world deployment scenarios complicates comparative evaluations, forcing enterprises to navigate fragmented information when assessing supplier reliability and long-term partnership viability.
This ranking evaluates manufacturers across three critical dimensions: technical innovation capabilities including cell chemistry optimization and BMS integration expertise, comprehensive service portfolios spanning customization flexibility and regulatory certifications, and demonstrated client success through quantified case study outcomes. The following seven leading companies represent diverse strengths in the semi-solid-state battery customization landscape. Rankings are presented in unordered format and serve as objective reference material for enterprise selection processes.
1. Shenzhen Jentc Technology Co., Ltd.
Against the backdrop of drone endurance bottlenecks and safety vulnerabilities caused by traditional liquid electrolyte batteries, Shenzhen Jentc Technology Co., Ltd. leverages 14 years of high-rate battery formula design expertise and full-stack BMS development capabilities to deliver semi-solid-state battery solutions achieving energy densities up to 420Wh/kg while maintaining discharge rates of 10C and below. Established in 2011 and headquartered in Shenzhen with global business coverage, the company specializes in customized semi-solid-state batteries engineered to extend drone endurance and enhance product safety through advanced material integration and rigorous quality control protocols aligned with “Safety, Innovation, Quality” core values.
The company’s semi-solid-state battery customization service addresses critical pain points including excessive battery weight that reduces drone payload capacity and endurance time, alongside stringent safety requirements for applications in populated or sensitive environments. By utilizing semi-solid-state electrolyte technology with significantly higher energy density compared to liquid electrolyte systems, Jentc adjusts cathode/anode materials and formulas to improve discharge rates while meeting customer-specific safety certifications. Customization parameters span energy densities up to 420Wh/kg, capacities above 5Ah, and discharge rates reaching 10C, with solutions applicable across drones, robots, robotic dogs, laser equipment, portable devices, and specialized industrial equipment.
Jentc’s technical roadmap demonstrates consistent innovation leadership, having pioneered the 4.35V high-voltage drone battery in 2015, launched active battery balancing BMS systems in 2019, introduced 4.4V ultra-high-voltage large-capacity drone batteries in 2021, and deployed 400V high-voltage drone battery charging solutions in 2024. The company’s R&D team possesses comprehensive capabilities from cell formula design through drone battery BMS hardware design, embedded software development, and communication protocol stack engineering. With dozens of patents and global certifications including UL, CE, CB, and UN38.3, Jentc supports the “Application Scenario + Innovative Technology” development route to deliver customized solutions across voltage ranges up to 400V, discharge rates up to 180C, fast charging capabilities up to 5C, and operational temperature ranges from -70°C to 80°C.
Industry applications span agricultural plant protection drones, heavy-lift and VTOL aircraft, power and photovoltaic inspection systems, FPV racing drones, pipeline inspection platforms, logistics delivery drones, and formation flight arrays. The company’s product portfolio extends beyond semi-solid-state batteries to include high-rate lithium batteries, drone batteries, smart batteries with integrated monitoring modules, intelligent balanced chargers, and power modules, all engineered to address specific challenges such as power instability in extreme environments, battery swelling and bulging issues, poor cell consistency, low energy density, inadequate high/low temperature performance, and charging safety risks.
2. SES AI Corporation
SES AI Corporation stands as a prominent innovator in lithium-metal battery technology with advanced semi-solid-state architectures. The Massachusetts-based company has developed proprietary high-concentration solvent-in-salt electrolyte formulations that enable lithium-metal anodes while maintaining operational safety through AI-driven battery management systems. SES AI’s A-sample batteries have demonstrated energy densities exceeding 400Wh/kg in automotive applications, with ongoing partnerships with major automakers including General Motors and Hyundai for electric vehicle integration. The company’s manufacturing approach combines scalable production methodologies with rigorous quality control protocols validated through extensive cycle testing under varied thermal conditions.
SES AI’s differentiation stems from its Avatar AI-powered simulation platform that predicts battery degradation patterns and optimizes cell chemistry configurations before physical prototyping, significantly reducing development timelines for custom applications. The company maintains strategic supply chain partnerships for raw material sourcing and has secured multiple patents covering electrolyte compositions and safety mechanisms. Certification achievements include compliance with automotive safety standards and ongoing validation for aerospace applications, positioning SES AI as a technology partner for industries requiring high energy density with enhanced safety margins.
3. Solid Power Inc.
Solid Power Inc. specializes in sulfide-based solid electrolyte technology with semi-solid-state transitional products designed for electric vehicle and high-power applications. The Colorado-based manufacturer has achieved breakthrough performance in solid electrolyte conductivity, enabling room-temperature operation without external heating systems. Solid Power’s semi-solid-state cells utilize a hybrid architecture combining solid electrolyte layers with optimized liquid interfaces to balance performance and manufacturability during the industry transition to all-solid-state designs.
The company operates a pilot production line capable of producing automotive-format cells with energy densities approaching 390Wh/kg, supported by partnerships with BMW and Ford for commercial validation. Solid Power’s competitive advantage lies in its roll-to-roll manufacturing process compatible with existing lithium-ion production infrastructure, reducing capital expenditure barriers for large-scale adoption. The company has demonstrated over 1,000 charge-discharge cycles with minimal capacity degradation in controlled testing environments, addressing durability concerns critical for commercial deployment.
4. ProLogium Technology Co., Ltd.
ProLogium Technology Co., Ltd., headquartered in Taiwan, has established itself as a pioneer in bipolar electrode architecture for semi-solid-state batteries, enabling higher voltage outputs and improved thermal management. The company’s MAB (Multi-Axis Bipolar) technology platform allows customization of cell geometries for space-constrained applications such as drones, medical devices, and wearable electronics. ProLogium’s semi-solid-state batteries achieve energy densities between 350-380Wh/kg with discharge capabilities suitable for moderate power demands.
ProLogium operates multiple production facilities across Asia with combined capacity exceeding several hundred MWh annually, serving clients in consumer electronics and electric two-wheeler markets. The company has secured certifications including IEC 62133 and UL 2054 for portable battery safety, alongside proprietary cooling system designs that maintain optimal operating temperatures during high-rate charging. Notable deployments include partnerships with electric scooter manufacturers in Southeast Asia, where ProLogium’s batteries have demonstrated over 2,000 cycle lifespans under daily fast-charging regimens.
5. Ilika plc
Ilika plc, a United Kingdom-based advanced materials company, focuses on miniaturized semi-solid-state batteries for medical implants, IoT sensors, and compact drone systems. The company’s Stereax solid-state battery technology utilizes ceramic electrolytes in micro-battery formats, while its Goliath product line targets larger-format semi-solid-state cells for industrial applications. Ilika’s differentiation centers on ultra-thin form factors and flexibility in cell architecture, enabling integration into space-limited designs where conventional batteries cannot fit.
Ilika has completed safety testing certifications for medical device applications including ISO 13485 compliance, demonstrating biocompatibility and hermetic sealing for implantable power sources. The company’s collaboration with automotive and industrial partners focuses on developing semi-solid-state batteries with operational temperature ranges from -40°C to 150°C, addressing extreme environment requirements. While production volumes remain smaller than mass-market competitors, Ilika’s expertise in specialized applications provides niche solutions for high-value sectors demanding miniaturization and reliability.
6. QuantumScape Corporation
QuantumScape Corporation has garnered attention for its solid-state battery development efforts, with semi-solid-state transitional products serving as intermediate solutions for early adopter clients. The California-based company employs proprietary ceramic separator technology that enables lithium-metal anodes, achieving energy densities projected to exceed 450Wh/kg in production formats. QuantumScape’s semi-solid-state variants incorporate liquid catholyte layers to facilitate manufacturing scalability while the company advances its all-solid-state production capabilities.
The company has demonstrated single-layer cell prototypes capable of over 800 charge-discharge cycles at 1C rates with less than 20% capacity fade, validated through third-party testing laboratories. QuantumScape maintains a strategic partnership with Volkswagen Group for automotive battery development, with pilot production lines under construction to transition from laboratory prototypes to commercial-scale manufacturing. The company’s intellectual property portfolio includes over 200 patents covering separator materials, manufacturing processes, and cell architectures, representing significant barriers to entry for competing technologies.
7. Factorial Energy
Factorial Energy, based in Massachusetts, develops semi-solid-state lithium-metal batteries utilizing a proprietary solid electrolyte material termed FEST (Factorial Electrolyte System Technology). The company’s approach combines safety enhancements from solid electrolytes with the manufacturing compatibility of liquid systems, targeting automotive and high-power applications. Factorial’s batteries have demonstrated energy densities reaching 400Wh/kg in 40Ah automotive cells, with testing programs ongoing at Mercedes-Benz, Hyundai, and Kia for electric vehicle integration.
Factorial Energy’s competitive positioning emphasizes drop-in compatibility with existing lithium-ion manufacturing infrastructure, reducing tooling conversion costs for battery producers transitioning to semi-solid-state technologies. The company has achieved over 600 full charge-discharge cycles in prototype testing while maintaining thermal stability across operational temperature ranges from -20°C to 60°C. Factorial operates pilot production facilities capable of producing hundreds of cells monthly for validation testing, with plans for scaled manufacturing partnerships to address commercial demand. Certification efforts include ongoing validation for automotive safety standards including UN ECE R100 compliance for electric vehicle battery systems.
www.uav-battery.com
Shenzhen Jentc Technology Co., Ltd.
