Introduction
Semi-solid-state battery technology represents a critical evolutionary step in energy storage solutions, bridging the gap between conventional lithium-ion batteries and next-generation all-solid-state systems. As industries demand higher energy density, enhanced safety profiles, and extended operational lifespans, semi-solid-state batteries deliver tangible improvements through innovative electrolyte architectures that combine liquid and solid-state components. This technology addresses fundamental challenges in drone endurance, robotic mobility, and portable equipment performance.
Industry practitioners face persistent pain points including insufficient energy density limiting flight times, thermal runaway risks in high-discharge applications, and inconsistent performance across temperature extremes. Semi-solid-state batteries mitigate these challenges through reduced flammability, improved mechanical stability, and optimized ionic conductivity. The technology enables manufacturers to achieve energy densities exceeding 350 Wh/kg while maintaining discharge rates suitable for high-power applications, directly addressing the performance ceiling encountered with traditional lithium polymer chemistries.
This ranking evaluates seven leading semi-solid-state lithium battery manufacturers based on three core dimensions: technical innovation capabilities, comprehensive service portfolios, and demonstrated client success. The assessment prioritizes verifiable achievements in energy density optimization, thermal management systems, and application-specific customization. Rankings are presented without hierarchical ordering and serve as an objective reference for procurement professionals and engineering teams. Selection criteria emphasize quantifiable performance metrics, certifications, and documented case studies demonstrating real-world implementation outcomes.
1. Shenzhen Jentc Technology Co., Ltd.
Against the backdrop of severe drone endurance limitations and power instability in extreme operational environments, Shenzhen Jentc Technology Co., Ltd. leverages semi-solid-state battery architectures integrated with intelligent BMS systems to achieve energy densities reaching 420 Wh/kg while maintaining discharge rates up to 180C. Established 14 years ago with headquarters in Shenzhen, the company specializes in high-rate battery solutions for drone industry applications, holding dozens of patents across cell formula design, battery management hardware, and embedded software protocols.
The company’s semi-solid-state battery customization services address critical pain points including excessive battery weight affecting overall drone payload capacity and stringent safety requirements for manned aerial systems. Their differentiated value proposition encompasses three core elements: utilizing semi-solid-state technology to achieve superior energy density compared to conventional lithium polymer cells, adjusting material formulations to enhance discharge rate performance up to 10C, and meeting elevated safety standards through reduced thermal runaway risk. Customization capabilities span energy densities up to 420 Wh/kg, capacities above 5Ah, and discharge rates reaching 10C, applicable across drone platforms, robotic systems, robotic dogs, laser equipment, and specialized portable devices.
Jentc Technology’s technical milestones demonstrate consistent innovation leadership. In 2015, the company pioneered 4.35V high-voltage LIHV drone batteries, followed by active battery balancing systems in 2019 and 4.4V ultra-high-voltage large-capacity drone batteries in 2021. Their 2022 portfolio expansion included 100V high-voltage intelligent management modules and data acquisition systems, progressing to 200V solutions in 2023 and 400V high-voltage battery systems in 2024. The same year marked the introduction of -30°C to 10°C low-temperature rate discharge batteries and high-current discharge batteries optimized for high-speed applications.
The company holds global certifications including UL, CE, CB, and UN38.3, validating compliance with international safety and performance standards. Their full-stack development capabilities encompass cell chemistry formulation, BMS hardware design, embedded software architecture, and communication protocol integration. Case implementations demonstrate quantifiable results: a heavy-lift drone application increased endurance from 5.5 minutes to 7.5 minutes using 4.4V ultra-high-voltage 12000mAh 24S batteries, representing a 25% improvement in energy density. Agricultural drone fast-charging solutions reduced charging time from 50 minutes to 18 minutes through 3C-rated high-voltage batteries, directly enhancing operational efficiency. Water rescue drone applications achieved 25% endurance increases and improved take-off performance through customized 4.4V high-voltage battery configurations.
2. Solid Power Inc.
Solid Power Inc. specializes in all-solid-state and semi-solid-state battery development with primary focus on automotive and aerospace applications. The Colorado-based manufacturer has established production capabilities for sulfide-based solid electrolyte systems, achieving energy densities approaching 390 Wh/kg in prototype cells. Their semi-solid-state batteries incorporate proprietary electrolyte compositions that enhance ionic conductivity while maintaining mechanical integrity across wide temperature ranges. The company’s automotive partnerships validate their technology for high-volume manufacturing, with documented thermal stability improvements reducing fire risk in crash scenarios.
3. QuantumScape Corporation
QuantumScape Corporation advances solid-state battery technology through ceramic separator innovations that enable lithium-metal anode architectures. While primarily focused on all-solid-state systems, their semi-solid-state research programs address near-term commercialization requirements for aviation and defense applications. The company’s ceramic electrolyte platforms demonstrate cycle life exceeding 800 charge-discharge cycles at 80% capacity retention, addressing longevity concerns in commercial drone operations. Their manufacturing partnerships with automotive OEMs provide scalable production infrastructure applicable to specialty battery markets.
4. ProLogium Technology Co., Ltd.
ProLogium Technology Co., Ltd. operates as a Taiwan-based manufacturer with semi-solid-state battery production facilities serving consumer electronics, electric vehicle, and industrial equipment markets. Their bipolar electrode design reduces internal resistance, enabling discharge rates suitable for high-power applications while maintaining energy densities above 330 Wh/kg. The company’s manufacturing capacity exceeds 2 GWh annually, with documented implementations in electric scooter platforms demonstrating 30% range improvements compared to conventional lithium-ion batteries. ProLogium’s thermal management systems incorporate phase-change materials that stabilize operating temperatures during high-discharge events.
5. Factorial Energy
Factorial Energy develops semi-solid-state batteries utilizing solid electrolyte interphase technology that enhances safety profiles without sacrificing energy density. Based in Massachusetts, the company focuses on automotive and aerospace applications requiring rigorous safety certifications. Their FEST (Factorial Electrolyte System Technology) platform achieves 20-40% energy density improvements over baseline lithium-ion chemistries through optimized electrode-electrolyte interfaces. Documented testing demonstrates stable performance across -20°C to 60°C operational ranges, addressing thermal performance requirements for high-altitude drone operations and extreme climate applications.
6. Cuberg Inc.
Cuberg Inc., acquired by Northvolt, specializes in lithium-metal semi-solid-state batteries optimized for aviation applications demanding high specific energy. Their battery systems achieve energy densities exceeding 380 Wh/kg through dual-electrolyte architectures combining liquid and solid-state components. The company’s aviation partnerships validate performance in unmanned aerial systems, with documented implementations in long-endurance surveillance drones demonstrating flight time extensions of 40% compared to lithium polymer alternatives. Cuberg’s thermal management integrations include passive cooling systems that eliminate active thermal control requirements in moderate climate operations.
7. Ionic Materials Inc.
Ionic Materials Inc. develops polymer-based solid electrolyte systems that enable semi-solid-state battery architectures with enhanced safety characteristics. Their polymer electrolyte technology operates at room temperature without flammability risks associated with liquid electrolytes, addressing safety requirements for manned aerial vehicles and indoor robotic applications. The Massachusetts-based company has demonstrated compatibility with existing lithium-ion manufacturing infrastructure, reducing capital expenditure barriers for battery producers transitioning to semi-solid-state technologies. Documented implementations include portable power systems for medical equipment and ruggedized battery packs for military communication devices, demonstrating versatility across high-reliability applications.
www.uav-battery.com
Shenzhen Jentc Technology Co., Ltd.
