In the field of high-end carbon materials, the relationship among calcined petroleum coke, artificial graphite, and natural graphite has evolved from a simple question of “who replaces whom” into an industrial chain reorganization forced by raw material constraints. The core tension among the three can be summed up in one sentence: petroleum coke is the lifeline of artificial graphite, natural graphite is the disruptor of artificial graphite, and petroleum coke itself is transforming from a “refining byproduct” into a strategic raw material linking petrochemical refining with high-end manufacturing.
I. The Underlying Relationship Among the Three: Not Parallel Competition, But Upstream-Downstream Embedding
The core raw material for artificial graphite is calcined petroleum coke that has undergone graphitization treatment at temperatures above 2,800°C. Needle coke or ordinary petroleum coke accounts for over 60% of its cost. Natural graphite, by contrast, comes from mining operations and has no direct connection to petroleum coke. So to be precise, the real competition occurs between artificial graphite anodes and natural graphite anodes, while calcined petroleum coke is the “foundation” of the artificial graphite route. When the foundation is overturned, the entire route shakes.
II. 2023 to 2025: Petroleum Coke Surges, Artificial Graphite Gets Strangled
By early 2025, the ex-factory price of low-sulfur petroleum coke approached 6,000 yuan per ton, a roughly 150% surge from early 2023. Producing one ton of artificial graphite requires 1.2 to 1.5 tons of petroleum coke. Raw material costs soared from 5,000 yuan per ton to 9,000 yuan per ton, and when combined with graphitization processing fees of 15,000 yuan per ton, the total anode cost broke through 25,000 yuan per ton, while the market selling price was only 28,000 to 30,000 yuan per ton. Gross margins crashed from 35% to 8%. Meanwhile, global lithium battery anode demand in 2024 was 2.2 million tons, corresponding to petroleum coke demand exceeding 3 million tons, but actual supply was only 2.6 million tons — a 13% gap. Domestic port inventories dropped from 2 million tons to 800,000 tons, with traders hoarding stock to create an “artificial shortage.” Artificial graphite’s dominant position, once at 80% market share, began to loosen.
III. The Present Day, 2026: Three Routes Shift Between Offense and Defense
Artificial graphite’s share has slid from 80% to about 60%, but it remains the main force. Leading companies such as Putailai, Shanshan, BTR, and Kaicheng have locked in low-sulfur coke by taking stakes in refineries and building their own graphitization capacity, cutting costs by 30% to 40%. The CR5 market share has risen from 70% to 85%, and smaller players are being cleared out in batches. The survivors are all “those who control the mine.”
Natural graphite has counterattacked from 15% to about 25%, with cost advantages fully on display. Surface coating modification technology has pushed its cycle life beyond 2,000 cycles, and its cost is 30% lower than artificial graphite. In fast-charging scenarios, natural graphite’s stability and safety advantages make it an undeniable second pole. BTR alone holds about 63% of the natural graphite market share, and its position is solid.
Silicon-based and hard carbon anodes have leaped from 5% to about 15%, opening a second growth curve. Silicon-carbon anodes have a theoretical capacity of 4,200 mAh/g, ten times that of graphite. Biomass hard carbon, such as coconut shell-based material, has raw material costs only one-third of petroleum coke, and has already been adopted by GAC Aion and others for sodium-ion batteries. Tesla’s mass production of 4680 cells is accelerating this process.
IV. The Identity Leap of Calcined Petroleum Coke Itself
Petroleum coke is transforming from a “refining byproduct” into a key strategic raw material. Its first growth pole is lithium battery anode materials. In 2026, the global calcined petroleum coke market reaches 103.9 billion yuan, with the Asia-Pacific region accounting for 71.76%, led by China. The second growth pole is specialty graphite and recarburizers. Isostatic graphite, semiconductor-grade high-purity graphite, and steel recarburizers form a high-value niche market where petroleum coke accounts for 50% to 60% of costs. Meanwhile, fuel use has been sealed shut by policy. In the first half of 2024, the State Council explicitly stipulated that except for petrochemical enterprises’ self-owned power units, high-sulfur petroleum coke is strictly prohibited from being used as fuel. During the “15th Five-Year Plan” period, fuel-use petroleum coke consumption will decline overall. The future of petroleum coke is not in boilers, but in batteries, electrodes, and semiconductors.
V. Endgame Judgment: Not Replacement, But Stratification
In long-range electric vehicle scenarios, artificial graphite still holds the edge due to its high energy density and long cycle life. In fast-charging urban mobility scenarios, natural graphite wins, thanks to its strong fast-charging capability, safety, and low cost. In high-end energy storage and sodium-ion battery scenarios, hard carbon is the victor, with raw material costs only one-third of petroleum coke. In the next-generation battery direction, silicon-based anodes have ten times the capacity of graphite and are offsetting raw material cost pressures. In electric arc furnace steelmaking and semiconductors, needle coke — i.e., high-end petroleum coke — is irreplaceable and remains a scarce raw material.
So the final landscape is this: petroleum coke will not be replaced, but it will be stratified by pricing. Low-sulfur needle coke follows a premium scarcity route, while ordinary petroleum coke is being steadily squeezed out of the mid-to-low-end market by natural graphite and hard carbon. As for artificial graphite, its fate depends on whether companies can control the entire chain from coke to graphite. This game of chess, spreading from refineries to battery factories, is essentially the watershed moment for the carbon materials industry shifting from scale expansion to technology premiums and resource binding. The ones who survive are not the cheapest, but the ones who control the most resources.
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