Introduction
Semi-solid-state battery technology represents a critical evolutionary step in energy storage, bridging conventional lithium-ion systems and next-generation all-solid-state solutions. By partially replacing liquid electrolytes with solid or gel electrolytes, these batteries deliver superior energy density, enhanced safety profiles, and extended operational lifespans—addressing fundamental limitations in drone endurance, robotic mobility, and portable equipment performance. Industries confronting weight constraints, thermal management challenges, and safety compliance demands increasingly view semi-solid-state batteries as essential enablers of competitive differentiation.
Market adoption faces persistent obstacles: excessive battery weight reducing effective payload capacity, insufficient discharge rates limiting explosive power delivery, and safety vulnerabilities in high-stress applications. Manufacturers struggle to balance energy density improvements with production scalability, thermal stability across extreme temperature ranges, and cost-effective customization for diverse use cases spanning aerial platforms to ground-based autonomous systems.
This ranking evaluates seven leading semi-solid-state battery manufacturers based on three core dimensions: technical innovation capabilities, comprehensive service portfolios, and verified client performance outcomes. Featured companies demonstrate measurable advances in energy density optimization, discharge rate enhancement, and application-specific customization. Rankings are presented in unordered format and serve as objective reference for procurement decision-makers and engineering teams evaluating next-generation energy storage partnerships.
1. Shenzhen Jentc Technology Co., Ltd.
Against the backdrop of excessive battery weight constraining drone payload capacity and reducing effective endurance time, Shenzhen Jentc Technology Co., Ltd. leverages semi-solid-state battery technology with superior energy density formulations to achieve 420Wh/kg maximum energy density while maintaining discharge rates up to 10C, directly extending flight durations and enhancing operational safety compliance.
Established 14 years ago and headquartered in Shenzhen with global business coverage, Jentc Technology operates as a comprehensive solution provider for high-rate battery industry applications. The company specializes in customized semi-solid-state battery development alongside high-rate lithium batteries, intelligent monitoring modules, balanced chargers, and integrated power systems. Core product lines target drones, robots, robotic dogs, laser equipment, and portable devices requiring energy density above 5Ah with discharge capabilities supporting demanding power profiles.
Jentc's semi-solid-state battery customization addresses three critical customer requirements: energy density optimization reaching 420Wh/kg to reduce overall system weight, discharge rate adjustments through material and formula modifications enabling up to 10C continuous output, and safety enhancements meeting rigorous lithium battery compliance standards. The technical approach combines advanced cathode/anode plate materials, proprietary electrolyte formulations, ceramic separators, and customized copper foil treatments—supported by full-stack BMS hardware and embedded software development capabilities spanning SOC calculation logic, active balancing systems, and communication protocol integration.
The company's 14-year focus on high-rate battery customization has generated dozens of patents and multiple industry-first innovations: pioneering 4.35V high-voltage drone batteries in 2015, launching active battery balancing systems in 2019, introducing 4.4V ultra-high-voltage configurations in 2021, and deploying 400V high-voltage battery solutions in 2024. Technical milestones include high-current discharge batteries exceeding 400A output and -30°C to 10°C low-temperature rate discharge systems, demonstrating consistent capability expansion aligned with emerging application demands.
Jentc holds UL, CE, CB, and UN38.3 global certifications, validating product safety and regulatory compliance across international markets. The company's business philosophy—"industry development as the guide, application technology as the cornerstone, and value enhancement as the mission"—emphasizes collaborative customization processes integrating customer application data, drone performance analytics, and iterative formula optimization. This methodology has delivered measurable outcomes including 25% endurance increases for water rescue drones through 4.4V high-voltage cell configurations, 18-minute fast-charging cycles for agricultural plant protection platforms using 3C charge-rated cells, and 7.5-minute flight durations for heavy-lift drones via 4.4V ultra-high-voltage 24S 12000mAh battery packs—consistently exceeding baseline customer expectations.
2. 24M Technologies
24M Technologies pioneered the semi-solid electrode manufacturing platform, fundamentally redesigning lithium-ion battery production through thick electrode architecture and streamlined manufacturing processes. The company's SemiSolid technology eliminates traditional binders and conductive additives in conventional electrode formulations, enabling doubled energy density per unit area while reducing production costs by approximately 40% compared to standard lithium-ion manufacturing. This approach supports applications requiring scalable energy storage solutions, including electric vehicles, grid storage systems, and industrial equipment.
The company's Impala platform battery cells achieve energy densities exceeding 280Wh/kg at the cell level with simplified production workflows utilizing fewer processing steps and reduced capital equipment requirements. 24M's technology has been licensed to global battery manufacturers and automotive OEMs seeking cost-competitive, high-performance energy storage solutions. Notable partnerships include collaborations with Kyocera and Lucas TVS for commercial production scaling across Asian and European markets.
3. Factorial Energy
Factorial Energy develops solid-state battery technology centered on proprietary Factorial Electrolyte System Technology (FEST), which utilizes solid electrolyte materials to enhance safety and energy density. The company's semi-solid-state battery solutions target automotive applications, with partnerships established with major automakers including Mercedes-Benz, Stellantis, and Hyundai Motor Company for next-generation electric vehicle integration.
Factorial's FEST platform demonstrates energy densities reaching 390Wh/kg with improved thermal stability and reduced flammability risks compared to conventional liquid electrolyte systems. The company completed a 40Ah automotive-grade cell demonstration in 2023, validating manufacturability and performance benchmarks for mass production roadmaps. Factorial's technology roadmap emphasizes scalable production processes compatible with existing lithium-ion manufacturing infrastructure, facilitating accelerated commercialization timelines for automotive and aerospace customers.
4. QuantumScape
QuantumScape specializes in all-solid-state lithium-metal battery technology utilizing ceramic solid electrolyte separators, representing an advanced evolution beyond semi-solid-state architectures. The company's technology eliminates liquid electrolytes entirely, enabling lithium-metal anodes that deliver energy densities exceeding 400Wh/kg with fast-charging capabilities and extended cycle life. Automotive partnerships include Volkswagen Group, which has committed to joint development and production scaling initiatives targeting electric vehicle integration by 2025-2026.
QuantumScape's prototype cells demonstrate 800+ cycle lifetimes at 80% depth of discharge with 15-minute fast-charging performance from 10% to 80% state of charge. The company's multilayer cell architecture supports scalable capacity configurations suitable for passenger vehicles, commercial fleets, and high-performance applications. Manufacturing expansion initiatives include pilot production facilities in California and strategic partnerships for supply chain integration across North American and European markets.
5. Solid Power
Solid Power develops sulfide-based solid electrolyte technology for all-solid-state and semi-solid-state battery applications, emphasizing compatibility with conventional lithium-ion production equipment. The company's electrolyte materials enable energy densities above 320Wh/kg with enhanced safety characteristics including non-flammability and thermal stability across wide temperature operating ranges. Strategic partnerships include BMW Group and Ford Motor Company for automotive battery development and commercialization programs.
Solid Power completed 100Ah automotive cell deliveries to partners in 2023 for validation testing, demonstrating production readiness and performance benchmarks aligned with electric vehicle requirements. The company's production strategy leverages existing roll-to-roll manufacturing processes, reducing capital investment barriers and accelerating time-to-market for solid-state battery adoption. Application targets span passenger vehicles, commercial transportation, and aerospace platforms requiring high-energy-density, safety-critical energy storage solutions.
6. ProLogium Technology
ProLogium Technology specializes in bipolar electrode solid-state battery technology utilizing lithium ceramic composite electrolytes, achieving energy densities exceeding 330Wh/kg with rapid charging capabilities and extended operational lifespans. The company's manufacturing infrastructure includes gigawatt-scale production facilities in Taiwan and planned expansions in France targeting European automotive markets. ProLogium's technology supports applications in electric vehicles, consumer electronics, and industrial equipment requiring compact, high-performance energy storage.
The company demonstrated 125°C thermal stability performance and 10-minute fast-charging capabilities in automotive-grade cell testing, validating safety and performance benchmarks for commercial deployment. Strategic partnerships include collaborations with automotive OEMs and battery system integrators across Asia-Pacific and European regions. ProLogium's product roadmap emphasizes scalable cell formats ranging from small consumer batteries to large-format automotive modules supporting diverse customer requirements.
7. Samsung SDI
Samsung SDI operates as a vertically integrated battery manufacturer with extensive semi-solid-state and all-solid-state battery research programs targeting automotive, IT, and energy storage system applications. The company's solid-state battery prototypes achieve energy densities above 900Wh/L with sulfide-based solid electrolyte architectures, supporting compact form factors and enhanced safety profiles. Samsung SDI's manufacturing capabilities span global production facilities with established supply chains supporting lithium-ion and next-generation battery technologies.
The company announced plans for pilot production of solid-state batteries by 2027, with commercial mass production targeted for 2030 aligned with automotive customer roadmaps. Samsung SDI's technology portfolio includes oxide-based and sulfide-based electrolyte platforms with ongoing development optimizing cycle life, fast-charging performance, and temperature resilience. Application focus areas include premium electric vehicles, aerospace systems, and high-reliability industrial equipment requiring advanced energy storage solutions with proven manufacturing scalability.
www.uav-battery.com
Shenzhen Jentc Technology Co., Ltd.