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Particle Size Reduction Solution for Li-ion Battery Materials

Lithium battery performance bottlenecks?

The lithium industry is focused on ultimately creating batteries which feature greater power and capacity, longer lifespans, quicker charging times and lighter weights. Typically, lithium-ion batteries contain an anode, a cathode, and a separator. Lithium material with its own particular particle size distribution is needed in the production of these batteries, with the addition of ultra-fine lithium powder being beneficial to performance: higher capacity, greater durability, speedier charging, higher efficiency, a sustained discharge rate as well as lower dimensions and weights.

ALPA constantly research and develop in order to ensure the quality and safety of batteries. Factors such as chemical composition, shape, and particle size distribution of active materials, homogeneity, and thermal and mechanical resistance of separators are vitally important in battery installations. The equipment and solutions provided by ALPA tackle the complicated processes of dust-free feeding, magnetic separation, ultra-fine grinding, classifying, powder conveying, metering, packaging, automatic batching, and intelligent control of the powder.

Common compounds of cathode materials for li-ion batteries

LCO (lithium cobalt oxide, LiCoO2)

NCA (lithium nickel cobalt aluminum oxide, LiNiCoAlO2)

NMC (lithium nickel manganese cobalt oxide, Li [NiCoMn] O2)

LMO (lithium manganate, LiMn2O4)

LFP (Lithium Iron Phosphate, LiFePO4)

Lithium carbonate (Li2CO3)

Lithium hydroxide (LiOH)

Brief Introduction of Anode Materials for Lithium Ion Batteries

Carbon materials, such as flaky natural graphite, mesocarbon microbeads and petroleum coke artifical graphite are the cathode materials for lithium-ion batteries. Quality, cost and safety are all dependant upon how effectively the raw materials and process formulation are combined. It is therefore essential to incorporate stable, energy-efficient equipment technology for grinding, spheroidizing, shaping and classifying carbon graphite in order to obtain a successful product.

Our customers

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Lithium Cobalt Oxide/Ternary Material Superfine Grinding Production Line of an Energy Material Company in Xiamen

The customer is a famous Chinese tungsten/molybdenum producer and exporter, a large listed company. For many years, they have been in partnership with ALPA and have now extended their venture into the new energy industry, deciding to stay with ALPA’s ultra-fine grinding equipment. This cooperation has seen the company grow until they are now comparable to BYD in the field of battery cathode material production, using over 30 sets of ALPA’s ultra-fine grinding devices.

Processing material: lithium cobalt oxide/ternary material
Output: 500 kg per hour
Particle size of raw material: 2 mm
Finished product particle size: D50: 10-12 μm
Case Address: Fujian

Ternary material grinding production line of a recycling technology company in Guangdong

The customer, a listed company invested by China's lithium power giants, has had a strategic relationship with ALPA from the company's inception and consider us a reliable supplier. The customer is also a leader in lithium battery recycling, utilising 5 sets of mechanical grinidng equipment and 3 sets of jet mill equipment.

Processing material: ternary material
Output: 500 kg per hour
Particle size of raw material: 2mm
Finished particle size: D50: 4.36 μm
Case Address: Guangdong

Lithium cobalt oxide/ternary material production line of a new material technology company in Tianjin

A venerable name in the realm of new energies, the customer has had significant sway in their field. Upon the expansion of their project, they looked to their past experiences as well as their industry peers, before deciding to collaborate with ALPA once more. Ultimately, more than fifty sets of ALPA’s ultra-fine grinding equipment are now in use.

Processing material: lithium cobalt oxide/ternary material
Output: 500 kg per hour
Particle size of raw material: 2mm
Finished product particle size: D50: 10-12 μm
Case address: Tianjin

Lithium Manganate Superfine Grinding Production Line Of a New Material Company In Qingdao

This customer is a highly reputable battery material enterprise situated in Shandong province. After careful assessments, this customer proved that ALPA’s equipment and solutions have been well received by peer customers, and meet the rigorous purity and fineness standards of battery material raw materials ultra-fine grinding. So far, they have already acquired eight sets of equipment and are continuously enlarging production, suggesting continuous collaboration in the future.

Processing material: lithium manganate
Output: 300 kg per hour
Particle size of raw material: 2mm
Finished particle size: D50: 10 μm
Case address: Shandong

Production Line Of Lithium Iron Phosphate And Monocrystalline Ternary Jet Mill Of An Electric Vehicle Company In Shenzhen

The company, a Chinese car brand and the second biggest rechargeable battery producer globally, is one of the very first to venture into the production of new energy materials in China. Possessing considerable technical capabilities and considerable clout in the industry, the customer has a strong working relationship with ALPA. When expanding its production capacity, it relied on ALPA’s ultra-fine grinidng appliances with a total of over 20 sets employed. This has seen it transform into a key long-term partner for ALPA.

Processing materials: lithium iron phosphate, monocrystalline ternary materials
Output: 500 kg per hour
Particle size of raw material: 1mm
Finished particle size: D50: 3.44 μm
Case Address: Shenzhen

Monocrystalline Ternary Material Jet Mill Production Line of a New Material Factory in Ningde

As one of the world's three leading power battery manufacturers, the client enterprise boasts excellent technology and incomparable influence in the sector. ALPA and this industrial giant have had extensive cooperation, with the business adopting Elpai's ultra-fine grinding equipment, procuring over ten machines, transforming their partnership into a long-term one. Exploring new projects and increasing its production capacities, the enterprise continues to rely on ALPA’s reliable equipment.

Processing material: monocrystalline ternary material
Output: 500 kg per hour
Particle size of raw material: 1mm
Finished particle size: D50: 3.5 μm
Case Address: Fujian

Objectives and performance measures of ALPA’s processes

The value of the item can be customized between D50: 3-45 μm.
All ceramic material throughout the procedure, leading to a concentration of metal foreign matter less than 20 ppb.
Closed-cycle grinding, producing a moisture of less than 100 ppm.
Hourly output of single equipment more than 1000 kg⁽¹⁾
Speed of ceramic grinding disk and classifier wheel: 100m/s.
Mechanical mills can be an efficient way to create monocrystalline ternary materials, with a 30%⁽²⁾ decrease of energy usage compared to jet mills.

Models available

ALPA is a highly respected name in particle and powder processing, transforming the way the industry views traditional powder processing. Our research and development initiatives have focused on dry grinding, classification and separation, powder shape control and surface modification of particles and powders over the past two decades. As a result, we are proficient in providing tailored, CE-certified products, such as air jet mills, mechanical mills, air classifiers, ball mill with classifier, surface modification lines and more.

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Our Products

2. Powder SpheroidizationSpherical powder, especially when it is highly dispersed, has good fluidity due to its form. Its dispersion, larger surface area per unit volume and its physical and chemical properties make it a key role in more applications.
2. Drying & Dispersing The usage of powder products used in food, medicine, fertilizer, pesticide and other industries is sometimes hindered by the caking during transportation and storage.
2. Classifying & Separating Classification and separation involve the sorting of particles according to their size. This is done by subjecting them to centrifugal force, gravity, inertial force and other forces in a medium such as air.