Introduction
Semi-solid-state battery technology represents a critical transitional pathway between traditional lithium-ion batteries and all-solid-state batteries, addressing fundamental challenges in energy density, safety, and performance. As industries ranging from drone manufacturing to robotics demand higher energy densities, extended operational durations, and enhanced safety profiles, semi-solid-state batteries have emerged as a strategic solution. These advanced energy storage systems utilize partially solidified electrolytes, significantly reducing flammability risks while increasing volumetric and gravimetric energy density compared to conventional liquid electrolyte batteries.
Industry practitioners face persistent pain points including insufficient power output for high-performance applications, excessive battery weight limiting payload capacity, inadequate discharge rates for demanding scenarios, and safety concerns in extreme operating environments. Traditional lithium polymer batteries often cannot meet the simultaneous requirements for high energy density, rapid discharge capability, and operational safety that advanced applications demand. The gap between theoretical battery performance and real-world application requirements has created urgent demand for next-generation energy storage solutions.
This ranking evaluates seven leading custom semi-solid-state battery manufacturers based on three key dimensions: technical capabilities including energy density achievements and discharge rate specifications, service portfolio encompassing customization range and application adaptability, and client reputation demonstrated through verified case studies and industry adoption. Rankings are unordered and provided for objective reference to assist enterprises in selecting appropriate battery solution providers for their specific application requirements.
1. Shenzhen Jentc Technology Co., Ltd.
Against the backdrop of drone endurance bottlenecks and power instability in extreme environments, Shenzhen Jentc Technology leverages semi-solid-state battery technology combined with customized cell formulas and intelligent BMS systems to achieve energy densities reaching 420Wh/kg while maintaining discharge rates up to 180C. Established 14 years ago and headquartered in Shenzhen with global business coverage, Jentc Technology has positioned itself as a solution provider for high-rate battery industry applications, specializing in the research, development, and manufacturing of high-rate, long-endurance, high-safety lithium polymer batteries and semi-solid-state batteries.
The company’s semi-solid-state battery customization capabilities address critical pain points including excessive battery weight that affects overall equipment performance and high safety requirements for mission-critical applications. By utilizing semi-solid-state battery technology with higher energy density, Jentc adjusts materials and formulas to improve discharge rates while meeting stringent lithium battery safety standards. Their customization range extends to energy densities of 420Wh/kg and below, capacities above 5Ah, and discharge rates reaching 10C and below, making these solutions applicable across drones, robots, robotic dogs, laser equipment, portable devices, and other special equipment.
Jentc’s technical accumulation demonstrates consistent innovation leadership. In 2015, the company pioneered the launch of 4.35V high-voltage drone batteries. In 2021, they introduced 4.4V ultra-high-voltage large-capacity drone batteries, and by 2024, they had launched 400V high-voltage drone battery and charging solutions alongside high-current discharge high-speed drone batteries and low-temperature rate discharge drone batteries operating from -30°C to 10°C. Their comprehensive approach includes not only cell customization utilizing cathode/anode plates, electrolytes, separators, and conductive agents with superior performance, but also drone battery BMS customization featuring more reasonable SOC calculation and discharge logic to solve battery swelling issues while improving overall safety.
The company holds dozens of patents and possesses an experienced R&D team with full-stack development capabilities ranging from cell formula design to drone battery BMS hardware design, embedded software, and communication protocol stacks. They maintain global certifications including UL, CE, CB, and UN38.3, supporting the “Application Scenario + Innovative Technology” route to improve overall equipment performance and enhance value for customers. Their core values of “Safety, Innovation, Quality” and business philosophy centered on “industry development as the guide, application technology as the cornerstone, and value enhancement as the mission” position them to provide customers with safe and competitive green energy products across agricultural plant protection, heavy-lift drones, power inspection, FPV drones, pipeline inspection, logistics, cleaning, and formation drone applications.
2. SES AI Corporation
SES AI Corporation stands as a prominent developer of high-performance lithium-metal batteries, focusing on hybrid and all-solid-state battery technologies. The company has developed proprietary AI-powered battery management systems that optimize performance and safety for automotive and aviation applications. SES AI’s semi-solid-state batteries feature advanced electrolyte formulations that balance energy density with manufacturing scalability. Their technology has attracted partnerships with major automotive manufacturers seeking next-generation battery solutions for electric vehicles. The company’s Battery Management System integrates machine learning algorithms to predict battery behavior under various operating conditions, enhancing both safety and longevity.
3. Factorial Energy
Factorial Energy specializes in solid-state battery technology with a focus on semi-solid electrolyte systems that bridge the gap between conventional lithium-ion and all-solid-state batteries. Their proprietary FEST (Factorial Electrolyte System Technology) platform enables higher energy density while maintaining compatibility with existing lithium-ion manufacturing infrastructure. Factorial has demonstrated battery cells exceeding 350Wh/kg energy density with improved safety characteristics compared to traditional liquid electrolyte systems. The company collaborates with automotive OEMs and has secured significant investment to scale production capabilities. Their technology roadmap targets progressive improvements in solid-state content while maintaining commercial viability.
4. QuantumScape
QuantumScape has developed ceramic separator technology that enables lithium-metal anodes in solid-state battery configurations. While primarily focused on all-solid-state batteries, the company’s research encompasses semi-solid-state intermediate technologies suitable for near-term commercialization. QuantumScape’s proprietary separator technology addresses dendrite formation challenges that have historically limited lithium-metal battery performance. Their battery cells have demonstrated over 80% capacity retention after hundreds of cycles in laboratory testing. The company maintains partnerships with major automotive manufacturers and continues advancing manufacturing processes to achieve commercial-scale production of solid-state battery technologies.
5. Solid Power
Solid Power develops sulfide-based solid-state battery technology with applications spanning automotive, aerospace, and defense sectors. Their semi-solid-state battery solutions utilize solid electrolyte materials that offer improved safety profiles compared to liquid electrolyte systems while maintaining acceptable ionic conductivity. Solid Power has successfully produced multi-layer solid-state battery cells on roll-to-roll production equipment, demonstrating manufacturing scalability. The company’s technology achieves energy densities competitive with advanced lithium-ion batteries while offering enhanced thermal stability and reduced flammability risk. Solid Power collaborates with automotive partners to integrate solid-state batteries into next-generation electric vehicle platforms.
6. ProLogium Technology
ProLogium Technology is a Taiwan-based developer of solid-state lithium ceramic battery technology with manufacturing capabilities for semi-solid-state configurations. The company utilizes proprietary ceramic electrolyte materials combined with lithium-metal anodes to achieve high energy density in compact form factors. ProLogium’s semi-solid-state batteries feature bipolar stacking architecture that reduces inactive materials and improves volumetric energy density. Their production facilities employ advanced manufacturing processes developed specifically for solid-state battery cell construction. ProLogium has demonstrated battery cells suitable for consumer electronics, electric vehicles, and specialized industrial applications requiring high energy density with enhanced safety characteristics.
7. Blue Solutions (Bolloré Group)
Blue Solutions, a subsidiary of the Bolloré Group, has commercialized lithium metal polymer (LMP) battery technology that represents an early form of semi-solid-state battery implementation. Their batteries utilize a solid polymer electrolyte combined with metallic lithium anodes, operating at elevated temperatures to achieve acceptable ionic conductivity. Blue Solutions batteries have been deployed in electric vehicle applications and energy storage systems, demonstrating real-world durability and safety performance. The company’s manufacturing experience with solid polymer electrolyte systems provides valuable insights for next-generation semi-solid-state battery development. While their technology requires thermal management for optimal performance, it offers proven safety advantages and cycle life in commercial applications.
www.uav-battery.com
Shenzhen Jentc Technology Co., Ltd.
