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  • TOB New Energy Reaches Strategic Cooperation with Central South University
    TOB New Energy Reaches Strategic Cooperation with Central South University Aug 21, 2025
    Xiamen, China, August 21, 2025, Xiamen TOB New Energy Technology Co., Ltd, a globally leading provider of one-stop battery production line solutions and advanced materials, today announced the official signing of a strategic cooperation agreement on battery technology R&D with Central South University (Professor He’s team). The collaboration, established on August 21, 2025, marks a significant step forward in advancing next-generation battery, battery material and battery recycle technology. Under the agreement, the two parties will engage in in-depth comprehensive collaboration on the applied research and development of lithium-ion batteries, sodium-ion batteries, solid-state batteries and materials. From 2025 to 2028, Professor He’s top-tier team at Central South University will work closely with TOB New Energy’s technical experts to jointly develop advanced materials and cutting-edge core technologies for these battery systems, while also providing technological upgrade services for TOB New Energy. This powerful alliance aims to integrate Central South University’s strong theoretical foundation and cutting-edge academic research capabilities with TOB New Energy’s extensive industrial practical experience and market-oriented approach. Together, they will bridge the critical gap between laboratory research and commercial application, striving to enhance core battery performance in areas such as: high energy density (≥400wh/kg), high-rate capability (≥1000C), long cycle life (≥10000times), and high safety (No explosion). Mr. Dany Huang, CEO of Xiamen TOB New Energy Technology Co., LTD, stated: “We are truly honored to establish this strategic partnership with Professor He’s team at Central South University. Central South University enjoys a stellar reputation in the field of materials science and engineering, and this collaboration is a core initiative for us to continue leading the forefront of battery technology development. The innovations generated through this cooperation will directly empower our solutions, enabling us to provide customers with more efficient, reliable, and advanced equipment, materials, and technical support across the entire chain—from laboratory R&D and pilot-scale amplification to large-scale mass production—significantly enhancing our ability to deliver world-class one-stop battery solutions.” About Xiamen TOB New Energy Technology Co., Ltd. TOB New Energy is a comprehensive solutions provider focused on the new energy battery sector. The company’s core businesses include: · One-stop battery lab line and battery pilot line solutions: Customized solutions for battery R&D and pilot stages, covering laboratory design, equipment customization, and researcher training. · One-stop battery production line solutions: Full turnkey project services ranging from production line design, factory construction, equipment selection, supply, installation, and commissioning to personnel training, materials supply,  etc....
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  • Acceptance Testing of Prismatic Battery Assembly Equipment
    Acceptance Testing of Prismatic Battery Assembly Equipment Aug 12, 2025
    For this acceptance test, the customer was not present and has fully entrusted our company's engineers to conduct the inspection. Our engineers examined each link of every piece of equipment, including overall appearance, electrical connection safety, equipment operation, and other key aspects, while recording the entire acceptance test process via video.
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  • Cold Isostatic Pressing (CIP) in Solid-State Batteries
    Cold Isostatic Pressing (CIP) in Solid-State Batteries Aug 11, 2025
    Principle of Cold Isostatic Pressing (CIP) Cold isostatic pressing (CIP) is a process that densifies powders or formed materials under ambient or low temperatures by transmitting isotropic pressure through a fluid (e.g., water or oil). Its core principle is based on Pascal’s Law: the pressure of the fluid in a sealed container is uniformly transmitted in all directions. The specific process involves the following steps: Pressure Transmission Mechanism: The material is encapsulated in a flexible mold (e.g., rubber or plastic) and immersed in a high-pressure vessel filled with fluid (oil or water). An external pressurization system (hydraulic pump) applies pressure to the fluid, which is uniformly transmitted to the material’s surface, achieving three-dimensional isotropic compression. Densification Mechanism: Powder particles undergo plastic deformation or rearrangement under high pressure, closing pores and significantly increasing material density. Due to uniform pressure distribution, internal stresses within the material are consistent, avoiding density gradients caused by traditional uniaxial pressing. Applicable Materials: Suitable for ceramics, metal powders, polymers, and composites, particularly materials sensitive to temperature (e.g., certain solid electrolytes). Comparison with Hot Isostatic Pressing (HIP): CIP operates at ambient temperatures, avoiding phase transitions, grain growth, or chemical reactions induced by high temperatures. However, it cannot achieve sintering densification (requiring subsequent heat treatment). Why is Cold Isostatic Pressing Needed for Solid-State Batteries? CIP is a critical process in solid-state battery manufacturing for the following reasons: Optimization of Solid-Solid Interfaces: A core challenge in solid-state batteries is poor physical contact between solid electrolytes and electrodes (cathode/anode), leading to high interfacial resistance. CIP forces tight adhesion between the electrolyte and electrodes via high pressure, reducing interfacial voids and enhancing ionic transport efficiency. Avoidance of High-Temperature Side Effects: Many solid electrolytes (e.g., sulfides, oxides) are temperature-sensitive. Using hot pressing (e.g., HIP) may induce side reactions (e.g., decomposition of sulfides), grain boundary diffusion, or melting of electrode materials (e.g., lithium metal). CIP operates at ambient temperatures, mitigating these issues. Material Compatibility: Multilayer structures in solid-state batteries (e.g., cathode-electrolyte-anode) require uniform compression during fabrication. CIP’s isotropic pressure ensures uniform compression of multilayer structures, preventing interlayer misalignment or cracking. Typical Application Scenarios Sulfide Solid Electrolytes: High pressure enhances physical contact between the electrolyte and electrodes. Composite of Oxide Electrolytes and Electrodes: For example, densification of LLZO (lithium lanthanum zirconate oxide) with cathode materials (NCM, ...
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  • Preparation of Sulfide Solid-State Batteries and Battery Assembly Methods
    Preparation of Sulfide Solid-State Batteries and Battery Assembly Methods Jul 24, 2025
    In recent years, the rapid development of sulfide solid electrolytes—including Li₂S-SiS₂, Li₂S-B₂S₃, Li₂S-P₂S₅, Li(₁₀±₁)MP₂S₁₂(where M = Ge, Si, Sn, Al, or P), and Li₆PS₅X (where X = Cl, Br, I)—has, in particular, partially addressed the drawback of insufficient intrinsic conductivity in solid electrolytes. This progress is exemplified by thio-LISICON-structured sulfides such as Li₁₀GeP₂S₁₂(LGPS), which exhibit an extremely high room-temperature lithium-ion conductivity of 12 mS/cm, surpassing that of liquid electrolytes.   Figure 1(a) shows an all-solid-state lithium battery using a cold-pressed pellet of Li₁₀Ge₂PS₁₂ceramic solid electrolyte powder with a room-temperature electrical conductivity exceeding 5 mS/cm, a LiCoO₂cathode material, a 99% (30Li₂S·70P₂S₅)·1% P₂O₅electrolyte as the anode-side modifier electrolyte, and metallic lithium as the anode. This battery can normally discharge and operate at room temperature to light up an LED lamp. A schematic diagram of the core component structure is shown in Figure 1(b), from which it can be seen that the cathode layer, inorganic solid electrolyte layer, and lithium foil are tightly bonded and pressed together in a mold. The preparation methods and processes of each component will be described in detail below. Figure 1: All-Solid-State Lithium Battery Based on Sulfide Solid Electrolyte 1 Preparation Method of the Cathode Sulfide solid electrolyte powder exhibits a Young's modulus of approximately 20 GPa, along with strong adhesion, high compressibility, and a tendency for plastic deformation. After cold pressing, it demonstrates low grain boundary resistance; thus, it is suitable for direct dry mixing with cathode powder during the preparation of the cathode layer [Fig. 2(a)]. During dry mixing, the conductive agent, sulfide solid electrolyte, and cathode material are simultaneously added to a mortar, followed by manual grinding, or mechanically mixed using a stirrer. It should be noted that the compatibility between different cathode materials and the electrolyte, the applicability of various conductive agents, and the suitability of different cathode coatings need to be evaluated under practical conditions. Figure 2: Preparation Method of the Cathode for All-Solid-State Lithium Batteries Based on Sulfide Solid Electrolytes For large-scale roll-to-roll (R2R) fabrication of sulfide batteries, the wet coating process [Fig. 2(b)] may be more suitable for scaling up. This is because polymer binders and solvents are required to prepare thin-film electrolyte and electrode layers with the mechanical properties needed for high-throughput R2R processes. Additionally, the presence of flexible polymers in the electrolyte/electrode can effectively buffer the stress and strain generated during repeated charge-discharge cycles, mitigating issues such as crack formation and particle detachment.   However, the following considerations are necessary during preparation: ① The polymer binder should be di...
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  • Successful Acceptance of New Energy Laboratory Equipment for Coin Cell Batteries
    Successful Acceptance of New Energy Laboratory Equipment for Coin Cell Batteries Jul 10, 2025
    On July 8, Xiamen TOB New Energy Technology Co., Ltd. welcomed another group of customers for equipment acceptance. The newly accepted equipment is dedicated to laboratory research on lithium-ion coin cell batteries, including glove boxes, punching machines, and crimping machines. This acceptance process, led by Ailsa Zheng, Head of Sales Team 3, with full technical support, concluded with unanimous confirmation that the equipment met requirements through on-site operation and data testing. 1. High-Purity Glove Box: Creating a "Water-Oxygen-Free" Microenvironment Core materials for coin cell batteries (e.g., electrolytes, electrode active materials) are highly sensitive to water and oxygen—trace impurities can lead to capacity decay, shortened cycle life, or even battery failure. Therefore, laboratory-grade glove boxes must control water and oxygen content inside the box below ppm (parts per million) levels. These boxes support full-process operations, including electrode sheet preparation, battery assembly, and vacuum electrolyte injection. Equipped with visual observation windows and anti-static operating gloves, they further ensure the accuracy and safety of R&D personnel’s operations. 2. Electric Sealing Machine Powered by electricity, this machine TOB-DF-160 saves operational effort and can be configured with different molds for tasks such as dry powder pressing, wet powder pressing, molding, and riveting. Mold Configuration: Standard molds are designed for 20-series coin cell batteries. By replacing mold accessories, it can also seal other coin cell batteries (e.g., 2450, 2430) and accommodate mold removal. 3. High-Precision Electrode Sheet Punching Machine: Ensuring "Thin yet Standard" Electrodes Electrode sheets for coin cell batteries typically measure only 0.01–0.03 mm in thickness (about 1/5 the diameter of a human hair). Their thickness consistency and burr control directly impact battery internal resistance and energy density. Traditional punching machines often suffer from issues like edge burrs and large thickness deviations, leading to increased self-discharge rates. This machine TOB-CP60 features an upper punch die guided by high-precision rails, enabling high punching accuracy with no burrs, edge defects, or pressure marks. It can punch various battery materials with thicknesses ranging from 0.005 to 0.5 mm.
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  • Lithium battery binders such as PVDF, CMC, PAA, etc
    Lithium battery binders such as PVDF, CMC, PAA, etc Jun 15, 2025
    The electrodes of Lithium-ion Batteries (LIBs) are primarily composed of electrochemically active electrode materials, conductive additives, binders, current collectors, and other components. Among these, binders serve as a critical component of LIBs electrodes. Binders can firmly adhere active materials and conductive materials to the current collector, forming a complete electrode structure. They prevent the detachment or exfoliation of active materials during charging and discharging processes, while also uniformly dispersing active materials and conductive agents. This enables the formation of a favorable electron and ion transport network, thereby facilitating efficient transport of electrons and lithium ions. Currently, substances used as electrode binders include poly(vinylidene fluoride) (PVDF), carboxymethyl cellulose (CMC), styrene-butadiene rubber (SBR), poly(vinyl pyrrolidone) (PVP), poly(methyl methacrylate) (PMMA), poly(acrylonitrile) (PAN), poly(acrylic acid) (PAA), poly(vinyl alcohol) (PVA), sodium alginate (Alg), β-cyclodextrin polymer (β-CDp), polypropylene emulsion (LA132), poly(tetrafluoroethylene) (PTFE), and so on, as well as functionalized derivatives of the above-mentioned polymers or copolymers formed by monomers. In lithium-ion battery (LIB) electrodes, the ideal binder performance should include: (1) chemical and electrochemical stability in a given electrode/electrolyte system, resistance to electrolyte corrosion, and no occurrence of redox reactions within the operating voltage range; (2) It should exhibit good solubility, with fast dissolution rate and high solubility in solvents, and the required solvents should be safe, environmentally friendly, and non-toxic, with water-based solvents being preferred; (3) It should have moderate viscosity to facilitate slurry mixing and maintain slurry stability, while also possessing strong adhesion, resulting in electrodes with high peeling strength, excellent mechanical properties, and low binder usage; (4) It should demonstrate good flexibility to tolerate bending during electrode handling and volume changes of active material particles during the charge-discharge cycles of LIBs; (5) It should be capable of forming an ideal conductive network with conductive agents, leading to electrodes with good electrical conductivity and lithium ion conduction capability; (6) It should be widely available and low-cost. This paper summarizes recent research achievements related to LIB electrode binders, with a focus on introducing the adhesion mechanisms of binders in electrodes and the commonly used oil-based and water-based binders in current LIB electrodes. 1 Adhesion Mechanism of Binders in Lithium-Ion Battery Electrodes The production process of LIB electrodes typically involves four steps: mixing various materials (including electrode active materials) in a solvent to form a battery slurry, coating the slurry onto a current collector, drying, and rolling. It is generally believed that...
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  • Warm Dragon Boat Festival Greetings and Holiday Notice
    Warm Dragon Boat Festival Greetings and Holiday Notice May 30, 2025
    Dear Valued Customers and Partners, On behalf of everyone at XIAMEN TOB NEW ENERGY TECHNOLOGY CO., LTD., we extend our warmest wishes for a joyful and peaceful Dragon Boat Festival! To celebrate this traditional festival, our offices will be closed for the holiday period: Holiday Dates: Saturday, May 31st, 2025 - Monday, June 2nd, 2025 Resuming Operations: We will resume normal business operations on Tuesday, June 3rd, 2025. During the holiday closure (May 31st - June 2nd), regular business operations, including order processing, shipping, and customer service responses, may experience delays. For urgent matters requiring immediate attention during the holiday period, please contact our dedicated representative: Contact Person: Amy Wang Email: tob.amy@tobmachine.com Phone: +86-18120715609 We sincerely appreciate your understanding and patience during this time. Normal communication channels and service levels will resume fully on Tuesday, June 3rd. Thank you for your continued trust and partnership with XIAMEN TOB NEW ENERGY TECHNOLOGY CO., LTD. We wish you and your loved ones a wonderful Dragon Boat Festival filled with happiness and prosperity! Warm Regards, The Team at XIAMEN TOB NEW ENERGY TECHNOLOGY CO., LTD. May 30, 2025
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  • TOB NEW ENERGY at CIBF 2025
    TOB NEW ENERGY at CIBF 2025 May 16, 2025
    On the second day of CIBF2025, TOB NEW ENERGY experienced a peak in visitor traffic. Our CEO Dany Huang , Sales Director Amy Wang, and team members, leveraging their extensive experience, patiently shared industry trends and product knowledge, leaving a strong impression on visitors while attracting the attention of CCTV reporters. During the event, an exclusive interview with our Sales Director Amy was scheduled to highlight TOB’s achievements and insights. TOB NEW ENERGYspecializes in providing end-to-end solutions for the global new energy industry. Our core services span customized construction of R&D lines, pilot production lines, and mass production lines. We also offer advanced battery equipment R&D and manufacturing, technical consulting, and material supply services. Welcome to our Booth 13T001.
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