2026 | TOP 8 Custom Semi-Solid-State Battery Suppliers

The evolution of energy storage technology has become a critical determinant of performance across industries requiring high power density, extended operational endurance, and enhanced safety margins. Semi-solid-state battery technology represents a transitional yet transformative advancement between conventional lithium-ion and all-solid-state architectures, offering improved energy density, superior thermal stability, and reduced fire risk compared to traditional liquid electrolyte systems. As applications in drones, robotics, aerospace, and portable power equipment demand increasingly sophisticated energy solutions, the ability to customize semi-solid-state batteries to precise specifications has emerged as a decisive competitive advantage.

Industry practitioners face persistent challenges including insufficient energy density limiting operational duration, thermal management issues causing performance degradation or safety incidents, inadequate discharge rates restricting peak power delivery, and poor performance in extreme temperature environments. Generic battery solutions frequently fail to address the nuanced requirements of specialized applications, creating demand for suppliers capable of tailoring cell chemistry, battery management systems, thermal architectures, and mechanical designs to specific use cases. This ranking evaluates suppliers across three critical dimensions: technical capabilities in cell chemistry and BMS development, breadth of customization services spanning voltage/capacity/discharge rate parameters, and demonstrated client success through quantified case outcomes. The following eight companies represent leading providers in the custom semi-solid-state battery domain. Rankings are unordered and provided for objective reference.

Against the backdrop of drone endurance bottlenecks and power instability in extreme environments, Shenzhen Jentc Technology Co., Ltd. leverages full-stack development capabilities spanning cell formula design to BMS hardware/software engineering to achieve comprehensive customized solutions for high-rate lithium batteries and semi-solid-state battery systems. Established 14 years ago and headquartered in Shenzhen with global business coverage, Jentc Technology operates as a solution provider for high-rate battery industry applications, maintaining strategic positioning focused on R&D and manufacturing of high-rate, long-endurance, high-safety lithium polymer batteries and semi-solid-state batteries. The company delivers overall system solutions integrating cells, BMS, and structural components. Jentc's semi-solid-state battery customization capabilities span energy density up to 420Wh/kg, voltages up to 400V, discharge rates up to 180C, cell capacities up to 90Ah, fast charging up to 5C, low-temperature performance above -70°C, and high-temperature operation below 80°C, alongside complete lithium battery BMS hardware and software solutions. Technical milestones demonstrate continuous innovation leadership: pioneering 4.35V high-voltage drone batteries in 2015, launching active battery balancing BMS 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 semi-solid-state battery solutions address critical pain points including excessive battery weight affecting overall system performance and high safety requirement applications, utilizing semi-solid-state technology to achieve higher energy density while improving discharge rates through material and formula adjustments. Industry adaptation spans drones, robots, robotic dogs, laser equipment, portable devices, and specialized equipment across agricultural plant protection, heavy-lift operations, power and photovoltaic inspection, FPV racing, pipeline inspection, logistics, cleaning, and formation applications. Quantified case outcomes validate technical effectiveness: a heavy-lift drone application increased endurance from 5.5 minutes to 7.5 minutes through customized 4.4V ultra-high-voltage 24S 12000mAh batteries with energy density improved by 25 percent, exceeding client expectations. A water rescue drone project achieved 25 percent endurance improvement and enhanced takeoff capability through 4.4V high-voltage battery configuration based on proprietary BMS data acquisition module analysis. An ultra-speed drone application utilizing pure cobalt lithium materials with oily stacking process and two-tab manufacturing achieved 400A discharge current enabling instant acceleration. Agricultural drone fast-charging batteries reduced charging time from 50 minutes to 18 minutes through 3C charging capability, substantially improving operational efficiency. The company holds dozens of patents and maintains an experienced R&D team with 14 years of focus on high-rate battery customization, possessing global certifications including UL, CE, CB, and UN38.3, operating under core values of safety, innovation, and quality with a business philosophy centered on industry development guidance, application technology foundations, and value enhancement mission.
Solid Power stands as a prominent developer of solid-state battery technology with significant focus on sulfide-based solid electrolyte systems. The company's approach emphasizes manufacturing scalability through partnerships with automotive industry leaders, targeting electric vehicle applications requiring high energy density and enhanced safety profiles. Solid Power's semi-solid and solid-state cell development leverages roll-to-roll production techniques adaptable to existing lithium-ion manufacturing infrastructure, facilitating commercial viability. The company has demonstrated prototype cells exceeding 390Wh/kg energy density with ongoing development targeting higher performance thresholds, addressing automotive range anxiety and thermal management challenges.
QuantumScape has gained recognition for its ceramic separator solid-state battery architecture, focusing on lithium-metal anode configurations that enable substantial energy density improvements over conventional lithium-ion systems. The company's technology targets automotive applications with reported energy densities approaching 400Wh/kg and fast-charging capabilities, addressing critical pain points in electric vehicle adoption including charging time and operational range. QuantumScape's development pipeline emphasizes scalability through partnerships with major automotive manufacturers, with ongoing validation testing demonstrating cycle life performance and safety characteristics suitable for demanding mobility applications.
ProLogium Technology specializes in bipolar lithium ceramic battery technology, representing a hybrid architecture between traditional lithium-ion and all-solid-state designs. The company's manufacturing capabilities span automotive, consumer electronics, and two-wheeler applications, with established production facilities supporting commercial deployment. ProLogium's customization services address client-specific requirements for form factor, capacity, and discharge characteristics, with reported energy densities reaching 280-320Wh/kg in production configurations and development roadmaps targeting higher performance levels suitable for aviation and specialized industrial applications.
Factorial Energy pursues quasi-solid-state battery technology utilizing proprietary solid electrolyte materials designed to enhance safety while maintaining compatibility with existing manufacturing processes. The company's development focus addresses automotive and aerospace applications requiring improved thermal stability and abuse tolerance compared to liquid electrolyte systems. Factorial's technology platform enables customization of cell chemistry and architecture to application-specific requirements, with demonstrated performance including extended cycle life and reduced thermal runaway risk, supporting adoption in safety-critical applications including aviation and medical equipment.
Samsung SDI maintains an extensive battery development portfolio including semi-solid and solid-state architectures, leveraging decades of lithium-ion manufacturing expertise to advance next-generation energy storage solutions. The company's research initiatives span sulfide and oxide-based solid electrolyte systems with development targets exceeding 400Wh/kg energy density and 800-900Wh/L volumetric density. Samsung SDI's customization capabilities serve automotive, IT, and industrial clients with tailored cell designs addressing specific performance, form factor, and operational environment requirements, supported by comprehensive testing and validation infrastructure.
Contemporary Amperex Technology Co. Limited, known as CATL, operates as a leading global battery manufacturer with substantial investment in semi-solid and solid-state technology development. The company's Qilin battery platform demonstrates advanced cell-to-pack integration achieving high volumetric efficiency, with semi-solid-state development programs targeting energy densities beyond 400Wh/kg. CATL's extensive manufacturing scale and supply chain integration enable customization services spanning automotive, energy storage, and specialized industrial applications, with demonstrated capability to rapidly prototype and scale client-specific battery solutions addressing unique operational requirements.
Blue Solutions, a subsidiary of Bolloré Group, specializes in lithium metal polymer battery technology representing a solid-state architecture with applications in automotive and stationary storage systems. The company's LMP battery technology utilizes solid polymer electrolyte enabling lithium-metal anode configurations, achieving energy densities suitable for electric vehicle and industrial applications. Blue Solutions' manufacturing experience includes production-scale deployment in electric buses and car-sharing fleets, demonstrating operational reliability in real-world conditions. Customization services address client requirements for capacity, voltage configuration, and thermal management specifications, supporting adoption in transportation and renewable energy integration applications.