TOBGROUP provides specialized nex-generation lithium-sulfur battery lab line for cutting-edge battery research. Custom equipment, facility design, and technical support included.
TOBGROUP addresses the industrialization bottlenecks of Li-S batteries by offering a full-process, closed-loop laboratory solution. Focusing on four core aspects: constructing conductive networks for sulfur cathodes, developing multifunctional separators, protecting lithium anodes, and optimizing electrolyte formulations, we provide a one-stop R&D platform for research institutions and companies, spanning from material synthesis to cell performance validation.
● Full-Chain Coverage:
Material Synthesis → Electrode Preparation → Cell Assembly → In-Situ Characterization → Performance Testing → Failure Analysis
● Key Technology Modules:
(1) Sulfur-based Composite Cathode Preparation (e.g., Carbon-Sulfur composite/Sulfurized Polyacrylonitrile)
(2) Multifunctional Separator Coating (e.g., MOF/Conductive Polymer modified)
Lithium Anode Interface Engineering (e.g., Artificial SEI/3D Current Collector integration)
(3) High-Precision Electrolyte Formulation (e.g., LiNO₃/Polysulfide inhibitors)
(4) In-Situ Testing Systems (e.g., Shuttle effect monitoring, Lithium deposition behavior observation)
TOBGROUP Lithium-sulfur Battery Lab Line Standard Configuration with Full Customization Support
|
Parameter Item |
Standard Specification |
Customizable Options |
|
Mixing Batch Size |
0.5-2L (Inert atmosphere protection) |
0.1-5L |
|
Coating Width |
100-300mm |
50-500mm |
|
Sulfur Loading Control |
2±0.3 mg/cm² |
1-10 mg/cm² |
|
Glove Box Specs |
O₂≤0.1ppm, H₂O≤0.1ppm |
Dual transition chambers |
|
Cell Assembly Types |
Coin cell/Pouch cell (1-5 layers) |
Cylindrical/Special shapes |
|
In-Situ Test Channels |
4 channels (Electrochemical + Optical) |
Expandable to 16 channels |
|
Cycle Test System |
Constant current charge/discharge + Relaxation test |
Multi-stress coupling test |
|
Typical Lab Area |
80-150㎡ (Zoned design) |
Compact/Extended layout |
|
Delivery Lead Time |
18-24 weeks |
12-30 weeks |
TOB Li-S Laboratory: Overcoming the R&D Stronghold of High-Energy-Density Batteries
● Polysulfide Shuttle Control System
(1) Dedicated Atmosphere-Control Glove Box (O₂ ≤ 0.1ppm, H₂O ≤ 0.1ppm)
(2) Multifunctional Separator Coating Module (Supports MOF/CNT/Polymer multilayer coating)
(3) In-Situ UV Spectroscopy Unit (Real-time monitoring of polysulfide concentration changes)
● Lithium Anode Protection Technology Platform
(1) Lithium Metal Surface Treatment Equipment (Magnetron Sputtering/ALD - Atomic Layer Deposition)
(2) 3D Current Collector Composite Device (e.g., Graphene Aerogel/Copper Nanowire integration)
(3) Lithium Deposition Microscopy Observation Module (Real-time monitoring of dendrite growth)
● Intelligent Electrolyte Development System
(1) Oxygen-Free Liquid Formulation Workstation (High-precision micro-dispensing, error ±0.1μL)
(2) Solid-State Electrolyte Integration Unit (Sulfide/Polymer electrolyte hot-pressing)
● Full-Lifecycle Data Traceability
Battery R&D Management System (BMS-R) recording 200+ parameters:
Sulfur loading・Electrolyte/S ratio (E/S ratio)・Interface impedance spectrum・Shuttle current value・Cycle expansion force
7 Steps to Build Your Lithium-sulfur Battery Lab Line
|
Phase |
Service Content |
Deliverables |
|
Needs Assessment |
Define energy density targets (Target ≥400 Wh/kg), cycle life requirements, special process needs |
《Customized Technology Roadmap》 |
|
Solution Design |
Laboratory layout planning (Dry/Wet area separation), equipment selection list, safety protection system |
《3D Laboratory Layout Plan》 |
|
Equipment Integration |
Provide core equipment: ・Vacuum Suspension Mixer (Prevents sulfur agglomeration) ・Micro-slit Coater (S loading 2-8mg/cm²) ・Li Anode Processing Workstation ・Fully Sealed Cell Assembly Line |
Equipment Installation Acceptance Report |
|
Process Debugging |
Parameter optimization: ・Carbon-Sulfur composite process parameters ・Separator modification formula library ・Electrolyte/S ratio optimization model |
《Standard Operating Procedures (SOP)》 |
|
Technical Training |
12 specialized trainings including Sulfur cathode preparation/Li metal handling/In-situ testing, etc. |
Training Certification |
|
Material Supply |
Supply Li-S specific: ・Porous carbon carriers (Hollow carbon spheres/Graphene) ・Functional binders (Adaptive polymers) ・Shuttle inhibitors (LiNO₃ alternatives) |
Material Technology White Paper |
|
Continuous Upgrade |
Bi-annual technology iterations (e.g., new solid-state electrolyte integration solutions) |
《Technology Upgrade Report》 |
Core enablers of technological implementation
Actionable insights from planning to execution
Equipped with a step-drying system: Pre-drying (prevents cracking) → Vacuum drying (removes solvent) → Hot-pressing (enhances adhesion); supports sulfur loading up to 8mg/cm².
Three technical pathways:
● ALD deposited Al₂O₃ artificial SEI
● 3D porous current collector composite
● Solid-state electrolyte interface layer integration.
Supports sulfide/polymer solid-state systems: equipped with solid electrolyte film maker, hot lamination press, interface impedance analysis module.
Five-layer protection:
● Explosion-proof glove boxes
● Dedicated lithium scrap recovery unit
● H₂S gas monitoring alarm
● Inert gas fire suppression system
● Emergency shower station.
TOB provides seamless transition:
● Key process parameter package transfer
● Pilot line equipment pre-debugging
● Material system compatibility verification, shortens industrialization timeline by 6 months.
TOBGROUP delivered a 3000F 60138 supercapacitor pilot line with full equipment, materials, and on-site commissioning support.
TOBGROUP designed a Na-ion battery lab line producing 18650S, 32138S, 32140S cells for advanced research and development.
TOBGROUP delivered a full-cycle 5MWh pouch cell production line for Li-ion and Na-ion, enabling European energy storage production.