|
HS Code |
666600 |
| Product Name | C-NERGY L-Series Graphites |
| Manufacturer | Imerys Graphite & Carbon |
| Form | Powder |
| Main Component | Synthetic Graphite |
| Carbon Content | ≥ 99% |
| Particle Size Range | 4 - 24 µm D50 |
| Tap Density | 0.7 - 1.1 g/cm³ |
| Ash Content | < 0.1% |
| Moisture Content | < 0.2% |
| Surface Area | 3 - 7 m²/g |
| Electrical Resistivity | 10 - 15 Ω·cm |
| Color | Gray to black |
As an accredited C-NERGY L-Series Graphites factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | C-NERGY L-Series Graphites are packaged in 10 kg multi-layer kraft paper bags with inner PE lining, clearly labeled for safety. |
| Shipping | C-NERGY L-Series Graphites are shipped in sealed, moisture-resistant bags or fiber drums, ensuring product integrity during transit. Each container is securely labeled for safe handling and complies with standard regulations for non-hazardous materials. Storage and transportation should be in a cool, dry environment, protected from direct sunlight and contaminants. |
| Storage | C-NERGY L-Series Graphites should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of ignition. Keep containers tightly closed to prevent moisture absorption and contamination. Avoid contact with strong oxidizers. Store in original packaging and handle with care to minimize dust generation. Ensure compliance with local safety and regulatory requirements for chemical storage. |
Competitive C-NERGY L-Series Graphites prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
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Tel: +8615365186327
Email: sales3@ascent-chem.com
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Years of manufacturing large volumes of synthetic graphite have given us a clear view of what electric vehicle producers and energy storage companies really need. Laboratory targets don’t always stand up to real production or field use. Suppliers talk plenty about surface area and morphology, but consistent yield, sustainable manufacturing, and real-world cycle stability make the difference for our downstream partners. Each batch, every delivery, lines up with expectations in existing industrial lines.
C-NERGY L-Series Graphites reflect a technical backbone built for the tough, high-expectation sector of lithium-ion battery anodes. This isn’t a copy-paste portfolio put out for price alone. We design particle size, tap density, moisture content, and crystalline structure based on actual electrode performance testing. Anode manufacturers can scale up recipes without switching grind partners or rebalancing the binder system. It means faster onboarding in pilot lines and lower adaptation risks at the gigafactory scale.
Most experienced cell makers won’t risk new graphites until they’re convinced particle distribution and purity won’t introduce process uncertainty. Down the line, you’ll see C-NERGY L-Series models built for high tap density—key for anyone squeezing every milliamp out of pouch, prismatic, or cylindrical designs. Our L400 and L550 models both bring tight D50s (range between 13 and 20 microns) and D10/D90 ratios built to reduce fishtailing, electrode cracking, and slurry inconsistencies. Purity levels routinely come in at over 99.95% carbon, as verified by in-house and third-party labs.
When rolling out L-Series products, we cut out sources of metallic impurities using closed-loop acid washing and filtered kilns. Less iron and nickel content mean fewer calendar-life headaches for customers; that single digit extending cycle life matters far more under real-world driving and charging conditions than it does in promotional materials.
Our teams know the traditional appeal of natural graphite: cost savings and simple supply chains. Yet, electrochemical reality often breaks down during long-term cell cycling and high-speed charging. Internal analysis and global customer feedback show synthetic C-NERGY L-Series models take higher charge rates with noticeably lower expansion and irreversible capacity loss. Large-format EV and energy storage developers report lower gas evolution and longer capacity retention through repeated fast-charging cycles—giving better returns per kWh invest in system-level reliability.
You see the difference in first-cycle efficiency and coulombic efficiency after months of cycling. L-Series’s structure limits the sites available for side reactions and gas formation, so electrolyte decomposition and SEI growth end up lower. That’s why partners pushing 2C rates in next-gen power cells have pivoted from lower-cost natural sources to engineered synthetics. The long-term payoff: less warranty replacement and quantitative value in TCO analysis.
Our leadership style is to test sample lots in customer lines, not just in our own labs. L-Series batches go through dozens of pre-shipment checks: tap density, particle geometry, moisture, and electrical resistivity. Samples don’t represent only best-case production—what gets shipped matches what was promised, lot after lot. That consistency is no accident. Automated sieving lines and sieving analysis systems track every run, and operators intervene early if deviation approaches spec limits. Every kilogram reaches trusted density and flow targets.
Moisture remains a serious pain point for many graphite lines. L-Series manufacturing pursues sub-300 ppm values by using controlled kilns followed by vacuum drying and moisture-sealed bags. Few things frustrate a battery slurry mix like a carrier resin reacting due to water retention. L-Series graphites ship with tight quality documents that match the real, tested value, cutting requalification cycles and headaches at the electrode mixing stage.
L400 and L550 models cover the full spectrum of standard and advanced anode manufacturing. Customers targeting legacy chemistries—such as NMC622 and LFP—rely on L400 for its proven compatibility and predictable charge acceptance. Teams focused on energy-dense NCA or high-voltage silicon-blended platforms have found L550 consistently delivers the better trade-off between compaction and electronic conductivity. D50 values in this range help deliver smooth electrode coating and high line speeds while limiting separator punctures.
Our R&D division works directly with major automotive and ESS producers to qualify batches for high-throughput, water-based slurries. This open testing loop meant we could adapt physical and surface chemistry—tailoring L550’s surface to amplify binder adhesion without damaging long-term stability. The result is reduced delamination and lower electrode swelling in high-voltage, high-energy-density platforms.
As a direct manufacturer, we see firsthand how production routes shape end-product sustainability and cell safety. L-Series graphites come out of a fully electrified, low-emission closed-loop process. Solvent recovery, effluent management, and dust suppression combine to meet the toughest local and international environmental rules. With synthetic graphites, emissions have always drawn close scrutiny. We post real emission reports to partners and work with supply chain auditors—demonstrating responsible sourcing back to the feedstock level.
Downstream, L-Series’s low reactivity profile helps anode makers deliver safer, less flammable cells. Skipping cost-cutting shortcuts results in fewer lot rejections for out-of-spec trace metals—translating to fewer catastrophic cell events during use and transportation. Real people out in the field rely on these safeguards, not just certificate documents.
Supplying graphites at global volume means more than batch chemistry and lab numbers. Most modern cell plants run on tight schedules and depend on predictable delivery, so we invest in direct plant-to-plant logistics and traceable lot management. L-Series units ship worldwide both bulk and bagged, tracked throughout with digital certificates and batch histories.
We stock specialized technical support teams—practicing battery chemists and materials engineers—who set up on-site, not just call in for remote assistance. From initial lot trials to large-scale production handovers, they train plant techs, review process settings, and investigate any outlier results in mixture or cell metrics. That personal link shortens the learning curve and gives real assurance for line leads rolling out new platforms.
General market graphites get away with wide tolerances in size and impurity content. That may suit mass markets with lower reliability standards, but our clients report these shortcuts end in higher reject rates or premature cell failures. C-NERGY L-Series narrows down both particle spread and tap density variation—letting customers run lines at higher speeds and fuller throughput without frequent recalibrations.
Standard synthetics often follow recipes that have remained unchanged for decades. In contrast, we design feedback loops directly with cell partners—every design tweak or detected fault translates into new batch parameters and fresh pilot runs. L-Series graphites integrate those lessons, rather than rely on legacy approaches. Material updates and process changes go through rigorous risk assessments and joint validation before entering broad release.
Growth in gigafactories and distributed storage systems asks every player in the value chain to rethink scalability and material availability. Outside of the chemistry desk, we continually invest in both brownfield and new greenfield sites—extending production capacity with digital monitoring and modular roasting units. Fluctuating raw material markets have never led us to undersupply key contracts or drop batch quality below specification. Upscaling remains attached to predictable delivery and enduring supplier trust.
Innovation feeds our future product lines. Ongoing collaboration with cell developers drives down graphite losses, pushes compaction densities, and supports silicon-graphite hybrids. We work to refine tap densities above 1.8 g/cm³ and unlock particle engineering that supports the next wave of solid-state and semi-solid battery designs. Each advance gets tested outside books and theory, ground-truthed by independent clients along the way.
In joint testing with automotive OEMs and tier-one battery makers, L-Series batches have logged over 2,500 stable cycles at full-scale pouch cell formats. Electric bus and heavy truck integrators tested our graphites through rapid charge events along public transit lines, tracking failure rates through thousands of operational cycles. Across these pilots, cell yields improved between three and six percent, and capacity retention rose an average of four percent when compared to conventional natural flake sources.
Industrial feedback reaches us monthly: higher average initial coulombic efficiency, fewer reported resin or electrode defects, and measurable improvements during fast-charge events. This bottom-up flow of data, rather than abstract literature references, shapes the next generation of L-Series models.
Those invested in energy storage carve out long timelines, not just quarterly wins. Our partnerships run across years—tracking how battery platforms and chemistry needs change. Whether supporting a legacy vehicle launch or collaborating on the latest energy-dense system, we log issues and successes together. Every L-Series delivery represents the results of direct manufacturing discipline, joint innovation, and open feedback loops.
The value in C-NERGY L-Series Graphites comes through in the tangible metrics customers care about: high cell yield, low defect rates, reliable cycle life, and real schedule certainty. These advantages don’t come from iterative copying or off-the-shelf processes, but from a pattern of listening, manufacturing discipline, and accountable progress.
| Feature | L400 | L550 |
|---|---|---|
| Average D50 Particle Size (μm) | 14-16 | 17-20 |
| Tap Density (g/cm³) | 1.58-1.68 | 1.68-1.80 |
| Purity (% carbon) | >99.95 | >99.95 |
| Coulombic Efficiency (Initial) | High | Very High |
| Primary Applications | LFP, NMC622 cells | NCA, high voltage systems |
C-NERGY L-Series Graphites aren’t just material shipments—they’re tools that forward-looking manufacturers use to solve problems in performance, sustainability, and reliability. Working directly with anode engineers, production teams, and development labs, we ensure every new batch advances customer needs, not just factory quotas.
Both established and emerging battery brands now use L-Series as a baseline for new development and ongoing commercial production. These partnerships prove that the right graphite, engineered by those who know what’s at stake, does more than enhance a single cell—it supports the movement toward cleaner, longer-lasting energy worldwide.
