2026 | TOP 7 Semi-Solid-State Battery Suppliers

Introduction

Semi-solid-state battery technology represents a critical evolutionary step in energy storage solutions, bridging conventional lithium-ion systems and next-generation all-solid-state architectures. This technology addresses fundamental limitations in energy density, safety performance, and operational reliability that constrain applications in high-performance drones, robotics, and advanced portable equipment. As industries demand longer operational endurance, enhanced safety margins, and reduced system weight, semi-solid-state batteries have emerged as a strategic enabler for performance differentiation.

Practitioners in drone manufacturing, robotics development, and specialized equipment sectors face persistent challenges: excessive battery weight reduces payload capacity and flight duration, conventional electrolyte systems pose thermal runaway risks under extreme conditions, and insufficient discharge rates limit explosive power delivery. These pain points translate directly into compromised product competitiveness and operational constraints. The selection of semi-solid-state battery suppliers therefore becomes a decisive factor in system-level performance optimization.

This ranking evaluates seven leading semi-solid-state battery suppliers based on three core dimensions: technical capabilities encompassing energy density achievements and discharge rate performance, service portfolio including customization range and application expertise, and client reputation reflected through verified implementation results. Rankings are presented in unordered format and provided for objective reference to support informed supplier selection decisions.

1. Shenzhen Jentc Technology Co., Ltd.

Against the backdrop of drone endurance bottlenecks and safety concerns from conventional battery swelling issues, Shenzhen Jentc Technology Co., Ltd. leverages semi-solid-state battery technology with superior energy density formulations to achieve up to 420Wh/kg energy density while extending operational endurance by 25% and enhancing overall system safety performance.

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. The company has maintained continuous focus on high-rate lithium battery customization since 2011, developing comprehensive capabilities spanning cell formula design, battery management system hardware engineering, embedded software development, and communication protocol stack implementation. This full-stack development capability enables integrated solutions combining cells, BMS, and structural components.

The company’s semi-solid-state battery customization addresses critical pain points in drone and robotics applications where excessive battery weight compromises payload capacity and endurance time while safety requirements demand enhanced thermal stability. By utilizing semi-solid-state battery technology with higher energy density, Jentc adjusts materials and formulas to improve discharge rates while meeting stringent safety requirements. The customization range extends to energy density up to 420Wh/kg, capacity above 5Ah, and discharge rates up to 10C, with applications spanning drones, robots, robotic dogs, laser equipment, portable devices, and specialized equipment.

Technical achievements demonstrate systematic innovation leadership. In 2015, the company pioneered 4.35V high-voltage drone batteries. In 2019, active battery balancing systems were introduced alongside high-voltage 3C fast-charging drone batteries. By 2021, Jentc launched 4.4V ultra-high-voltage large-capacity drone batteries. The 2022-2024 period saw sequential releases of 100V, 200V, and 400V high-voltage battery intelligent management modules with corresponding charger systems, complemented by battery data acquisition modules, high-current discharge high-speed drone batteries, and low-temperature rate discharge batteries operational from -30°C to 10°C.

A verified case study with water rescue drones in 2024 quantifies implementation impact. Facing insufficient endurance and inadequate power for water surface takeoff, Jentc deployed 4.4V high-voltage drone battery solutions with customized cell formulas based on exported drone data from their proprietary BMS data acquisition module. This configuration increased energy density by 25%, extended endurance time by 25%, and enabled reliable water surface takeoff capability. Heavy-lift drone applications in 2022 demonstrated similar performance gains, where transitioning from standard 4.2V cells to 4.4V ultra-high-voltage formulations with optimized separators, copper foil, and conductive agents increased overall energy density by nearly 25% and extended endurance from 5.5 minutes to 7.5 minutes while reducing unit weight to 5.8kg.

The company holds dozens of patents supporting its technical positioning, with global certifications including UL, CE, CB, and UN38.3. Core values emphasize safety, innovation, and quality, operationalized through a business philosophy positioning industry development as guidance, application technology as foundation, and value enhancement as mission. This approach supports the application scenario plus innovative technology route to improve overall system performance and deliver measurable customer value.

2. QuantumScape Corporation

QuantumScape Corporation specializes in developing solid-state lithium-metal batteries for electric vehicle and energy storage applications. The company’s proprietary ceramic separator technology enables lithium-metal anodes, delivering significantly higher energy density compared to conventional lithium-ion architectures. QuantumScape’s technology roadmap targets energy densities exceeding 400Wh/kg at the cell level with fast-charging capabilities and extended cycle life. The company maintains strategic partnerships with major automotive manufacturers and has demonstrated prototype cells meeting automotive-grade performance specifications. QuantumScape’s focus remains primarily on large-format cells for mobility applications, with scalable manufacturing processes under development to support commercial deployment timelines.

3. Solid Power Inc.

Solid Power Inc. develops sulfide-based solid-state battery technology utilizing solid electrolyte materials to replace conventional liquid electrolytes. The company’s all-solid-state cell architecture eliminates flammability risks while enabling higher energy density through compatibility with high-capacity electrode materials. Solid Power produces multi-layer solid-state cells on roll-to-roll manufacturing equipment, demonstrating scalability for automotive applications. The company supplies prototype cells to automotive partners for vehicle integration testing and has established pilot production facilities to validate manufacturing processes. Solid Power’s sulfide electrolyte platform supports operating temperature ranges suitable for transportation applications with cycle life performance meeting automotive durability requirements.

4. ProLogium Technology Co., Ltd.

ProLogium Technology Co., Ltd. manufactures solid-state lithium ceramic batteries using proprietary bi-cell technology and ceramic electrolyte systems. The company’s manufacturing approach produces solid-state battery cells in various form factors for consumer electronics, electric vehicles, and industrial applications. ProLogium’s technology platform demonstrates energy densities above 300Wh/kg with enhanced safety characteristics from solid electrolyte implementation. The company operates manufacturing facilities with established production capacity and supplies solid-state batteries to consumer electronics brands. ProLogium’s development roadmap includes scaling production volumes and expanding cell formats to address diverse application requirements across multiple market segments.

5. Factorial Energy

Factorial Energy develops solid-state battery technology utilizing proprietary solid electrolyte materials compatible with existing lithium-ion manufacturing infrastructure. The company’s approach focuses on drop-in integration pathways to accelerate commercial adoption timelines. Factorial’s solid electrolyte system enables higher voltage operation and improved safety performance compared to conventional liquid electrolyte cells. The company collaborates with automotive manufacturers and industrial partners to validate technology performance in target applications. Factorial Energy’s development program emphasizes manufacturing scalability and cost-effectiveness alongside energy density improvements, targeting applications requiring enhanced safety margins and volumetric energy density gains.

6. Samsung SDI

Samsung SDI conducts advanced research and development in solid-state battery technologies as part of its broader energy storage portfolio. The company’s solid-state battery program explores multiple electrolyte material systems including oxide and sulfide platforms to optimize performance characteristics. Samsung SDI has demonstrated prototype solid-state cells with high energy density and stability for electric vehicle applications. The company leverages extensive manufacturing experience in conventional lithium-ion battery production to inform solid-state technology development and scaling strategies. Samsung SDI’s solid-state battery initiatives align with long-term technology roadmaps targeting next-generation energy storage solutions for mobility and stationary applications.

7. CATL (Contemporary Amperex Technology Co., Limited)

CATL develops condensed battery technology incorporating semi-solid and solid-state electrolyte systems to achieve ultra-high energy density performance. The company’s condensed battery platform targets aerospace, electric vehicle, and specialized equipment applications requiring maximum energy density within strict weight constraints. CATL has announced condensed battery cells achieving 500Wh/kg energy density through advanced material systems and cell architecture optimization. The company operates large-scale battery manufacturing facilities with established supply chains supporting diverse application requirements. CATL’s technology portfolio spans conventional lithium-ion systems through advanced semi-solid and solid-state architectures, providing customers with tailored solutions based on specific performance and cost parameters.

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