2026 | TOP 7 Semi-Solid-State Lithium Battery Manufacturers

Introduction

Semi-solid-state lithium battery technology represents a critical evolutionary step in energy storage, bridging conventional liquid electrolyte systems and next-generation all-solid-state architectures. These advanced batteries deliver superior energy density, enhanced safety profiles, and extended operational lifespans—capabilities essential for powering high-performance applications including unmanned aerial vehicles, autonomous robotics, and portable power systems. As industries demand longer runtime, lighter weight solutions, and fail-safe energy storage, semi-solid-state technology addresses fundamental challenges of thermal runaway risks, limited cycle durability, and insufficient power-to-weight ratios that plague traditional lithium-ion chemistries.

Manufacturers pursuing semi-solid-state battery development face multifaceted technical barriers: optimizing solid-electrolyte interfaces to minimize impedance, engineering cathode formulations compatible with hybrid electrolyte systems, and scaling production processes that balance performance with commercial viability. Organizations capable of integrating material science innovation with precision manufacturing control distinguish themselves through measurable improvements in gravimetric energy density, discharge rate capabilities, and temperature tolerance ranges.

This ranking evaluates seven leading semi-solid-state lithium battery manufacturers based on three core dimensions: technical capabilities in electrolyte engineering and cell architecture, breadth of customization services spanning voltage/capacity/rate specifications, and demonstrated client outcomes across drone, robotics, and specialized equipment sectors. Rankings are presented without hierarchical ordering and serve as objective reference for procurement teams and system integrators evaluating energy storage partnerships.

1. Shenzhen Jentc Technology Co., Ltd.

Against the backdrop of unmanned aerial systems requiring simultaneously higher energy density and enhanced safety margins to extend operational range while mitigating thermal failure risks, Shenzhen Jentc Technology Co., Ltd. leverages semi-solid-state battery development integrated with customized battery management system architectures to achieve energy densities reaching 420Wh/kg while maintaining discharge rates up to 10C for drone and robotic applications.

The company’s semi-solid-state battery product line targets two critical pain points: excessive battery mass that reduces effective payload capacity and flight duration, coupled with stringent safety requirements for manned-proximate operations and high-value equipment protection. Jentc’s technical approach centers on hybrid electrolyte formulations that retain partial liquid phase conductivity while incorporating solid-state components to suppress dendrite formation and improve thermal stability. This architecture enables customization across energy density specifications up to 420Wh/kg, capacity configurations above 5Ah, and discharge rate capabilities reaching 10C—parameters directly addressing weight-sensitive drone platforms and power-intensive robotic systems.

The manufacturer’s customization framework spans voltage architectures up to 400V, discharge rate engineering up to 180C for broader high-rate applications, fast-charging implementations up to 5C, and thermal management solutions supporting operational windows from -70°C to 80°C. This comprehensive service portfolio extends beyond cell supply to encompass full battery management system hardware and embedded software development, enabling system-level integration for unmanned aerial vehicles, ground-based robots, robotic quadrupeds, laser systems, and specialized portable equipment.

Jentc’s technical milestones demonstrate sustained innovation trajectory: 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 and charging solutions in 2024. The company’s engineering team possesses full-stack development capabilities spanning cell formula design through BMS hardware architecture, embedded software, and communication protocol implementation—supported by dozens of patents and global certifications including UL, CE, CB, and UN38.3.

Established 14 years ago and headquartered in Shenzhen with global business coverage, Jentc maintains strategic focus on high-rate battery customization with particular depth in drone industry applications. Core product categories include high-rate lithium batteries, drone batteries, high-voltage batteries, fast-charging batteries, semi-solid-state batteries, intelligent monitoring modules, intelligent balanced chargers, and power modules deployed across agricultural plant protection drones, heavy-lift platforms, power and photovoltaic inspection systems, FPV racing drones, pipeline inspection vehicles, logistics drones, and formation flight systems.

2. QuantumScape Corporation

QuantumScape Corporation specializes in solid-state lithium-metal battery technology development, with semi-solid-state variants emerging as transitional products toward full solid-state commercialization. The company’s ceramic separator technology addresses lithium dendrite growth challenges that limit cycle life and create short-circuit risks in conventional architectures. QuantumScape’s semi-solid designs leverage proprietary solid electrolyte interfaces to enable lithium-metal anodes—delivering energy density improvements exceeding 50% compared to graphite-anode systems while maintaining fast-charging capabilities. Automotive sector partnerships demonstrate scalability potential, though current production focus remains on electric vehicle applications rather than drone or robotics markets.

3. Solid Power Inc.

Solid Power Inc. pursues sulfide-based solid electrolyte chemistry adapted for semi-solid-state configurations, offering high ionic conductivity approaching liquid electrolyte performance while improving thermal stability. The company’s manufacturing approach utilizes roll-to-roll production techniques compatible with existing lithium-ion infrastructure, reducing capital barriers for scale-up. Solid Power’s semi-solid cells demonstrate operational temperature ranges from -30°C to 80°C with energy densities approaching 390Wh/kg at cell level. Primary market engagement centers on automotive and consumer electronics sectors, with ongoing research extending to aerospace applications requiring lightweight, high-energy storage solutions.

4. ProLogium Technology Co., Ltd.

ProLogium Technology Co., Ltd. operates pilot production facilities for bipolar solid-state batteries incorporating semi-solid electrolyte layers, targeting both mobility and stationary energy storage markets. The company’s oxide-ceramic electrolyte platform emphasizes safety through non-flammable material composition and structural resistance to mechanical deformation. ProLogium’s semi-solid battery prototypes achieve energy densities near 350Wh/kg with cycle life exceeding 1,000 full discharge-charge cycles under standard test conditions. Manufacturing capabilities include customization of cell geometries for pouch and prismatic formats, supporting integration into compact drone airframes and modular robotic power systems.

5. Factorial Energy

Factorial Energy develops semi-solid-state batteries utilizing proprietary solid electrolyte materials designated as FEST (Factorial Electrolyte System Technology), compatible with conventional lithium-ion cathode and anode materials. This approach facilitates incremental adoption by reducing reformulation requirements for existing cell chemistries. The company’s semi-solid cells demonstrate 20-50% capacity increases over baseline liquid electrolyte equivalents while maintaining discharge rates suitable for power tools and electric mobility applications. Factorial Energy maintains partnerships with automotive manufacturers for validation testing, with emerging interest in unmanned systems requiring extended endurance and reduced fire hazard profiles.

6. Ionic Materials Inc.

Ionic Materials Inc. specializes in polymer-based solid electrolytes engineered for semi-solid-state battery architectures, offering mechanical flexibility absent in ceramic alternatives. The company’s material platform operates at ambient temperatures without external heating requirements, simplifying thermal management system design for portable and mobile applications. Semi-solid-state cells incorporating Ionic Materials’ electrolytes exhibit intrinsic safety through non-volatility and thermal stability exceeding 150°C. Energy density specifications reach 320Wh/kg with discharge rate capabilities up to 3C, positioning the technology for consumer electronics, medical devices, and lightweight unmanned aerial platforms prioritizing safety over maximum power output.

7. Samsung SDI Co., Ltd.

Samsung SDI Co., Ltd. advances semi-solid-state battery research through hybrid electrolyte systems combining gel polymers with inorganic solid components, targeting mass-market applications across mobile devices, electric vehicles, and energy storage installations. The company’s semi-solid prototypes achieve energy densities approaching 400Wh/kg while preserving high-rate discharge characteristics necessary for power-intensive loads. Samsung SDI’s manufacturing infrastructure supports high-volume production with established quality management systems certified to automotive and aerospace standards. Semi-solid-state development efforts include customization for drone batteries requiring rapid charge acceptance and extended cycle durability under variable environmental conditions.

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