Ningbo Ronbay New Energy Technology Co., Ltd.

The NCM523 series is Ronbay Technology's 5-series medium-nickel ternary cathode material, comprising three grades: the standard S700, the high-power S701C and the high-safety S740B. It offers relatively high energy density, excellent power characteristics, outstanding cycle performance and good structural stability. The material is a black spherical or near-spherical powder with a crystal structure free of impurity peaks and a specific capacity of 157.0 mAh/g or more, making it suitable for mid-range hybrid vehicles, energy storage and consumer batteries.

Appearance: black powder; Tap density >=2.00 g/cm3; Specific surface area 0.2000-0.6000 m2/g; H2O <=400 ppm; D50 12.00+/-2.00 um; Li 7.40+/-0.20 wt%; Ni 30.00+/-1.00 wt%; Co 11.85+/-1.00 wt%; Mn 16.70+/-1.00 wt%; Fe <=50 ppm; Na <=500 ppm; pH 11.00-11.80; Specific capacity >=157.0 mAh/g; Compliant with EU RoHS

• Consumer electronics (CE)
• Electric vehicles (EV)
• Plug-in hybrid electric vehicles (PHEV)
• Power tools (PT)
• Energy storage

The NCM622 series is Ronbay Technology's 6-series medium-high-nickel ternary cathode material, comprising three grades: the standard S760, the high-compaction S76L and the cost-effective S6503. It delivers high energy density, good cycle performance and structural stability. With a tap density of 1.80 g/cm3 or more, a specific capacity of 172.0 mAh/g or more and a first-cycle efficiency of 86.0% or more, it is mainly designed for mainstream family battery-electric vehicles and consumer batteries.

Appearance: black powder; Tap density >=1.80 g/cm3; Specific surface area <=0.90 m2/g; H2O <=500 ppm; D50 5.00+/-1.50 um; Li 7.40+/-0.20 wt%; Ni 36.30+/-1.00 wt%; Co 12.60+/-1.00 wt%; Mn 11.30+/-1.00 wt%; Fe <=50 ppm; Na <=400 ppm; pH 10.80-11.60; Specific capacity >=172.0 mAh/g; First-cycle efficiency >=86.0%; Magnetic impurities (Fe+Cr+Zn) <=100 ppb; Compliant with EU RoHS

• Consumer electronics (CE)
• Electric vehicles (EV)
• Energy storage

The NCM811 series is Ronbay Technology's 8-series high-nickel ternary cathode material, comprising four grades: the standard S800, the stabilized S800C, the high-energy S85E and the high-safety S8303. It offers high energy density, excellent cycle performance and structural stability. The company was the first cathode material producer in China to mass-produce the NCM811 series and supply it to mainstream global automakers; the series ranks among the world's leading products in both technology and production scale, and is the primary material for fast-charging and ultra-long-range electric vehicles.

Appearance: black powder; Apparent density >=1.20 g/cm3; Tap density >=2.10 g/cm3; Specific surface area 0.25+/-0.15 m2/g; H2O <=400 ppm; D50 13.00+/-2.00 um; Li 7.40+/-0.20 wt%; Ni 47.50+/-1.50 wt%; Co 6.60+/-0.60 wt%; Mn 5.50+/-0.60 wt%; Fe <=50 ppm; pH 11.60+/-0.20; Specific capacity >=190.0 mAh/g; First-cycle efficiency >=85.0%; Free Li+ <=2700 ppm; Magnetic impurities (Fe+Cr+Zn) <=50 ppb; Compliant with EU RoHS

• Electric vehicles (EV)
• Consumer electronics (CE)
• Traction batteries for premium passenger cars
• Energy storage

The NCA series covers lithium nickel cobalt aluminium oxide ternary cathode materials. Together with NCM and NCMA, it forms Ronbay Technology's ternary product system, covering EV, PHEV and 3C small-power applications. The series is tailored to the cylindrical cell route and mainly supplies overseas lithium-battery customers for 21700 and 4680 large cylindrical cells. Leveraging deep expertise in high-voltage and ultra-high-nickel technologies, the company effectively tunes compaction, capacity and cycle-life metrics.

High-nickel lithium nickel cobalt aluminium oxide system; High energy density; Designed for cylindrical cells (21700 / 4680 large cylindrical); Supports fast charging and long range; Industry-leading overall performance

• Electric vehicles (EV)
• Plug-in hybrid electric vehicles (PHEV)
• 3C small-power batteries
• Large cylindrical batteries

The NCMA series consists of nickel cobalt manganese aluminium quaternary cathode materials. The introduction of aluminium raises structural stability and lowers cobalt content while maintaining high energy density. Alongside the NCM and NCA systems, it completes Ronbay Technology's ternary cathode product matrix and is widely used in fast-charging and ultra-long-range electric vehicles.

Nickel cobalt manganese aluminium quaternary layered oxide system; Low cobalt, high nickel; High energy density; Excellent structural and thermal stability; Fast-charging capable

• Electric vehicles (EV)
• Plug-in hybrid electric vehicles (PHEV)
• Traction batteries for premium passenger cars

The ultra-high-nickel 9 series (Ni90 and above) ternary cathode material is Ronbay Technology's flagship high-end product line; the company was the first in China to mass-produce Ni90 ultra-high-nickel cathodes. The products are designed for a capacity of about 225 mAh/g with a roadmap to 230 mAh/g, and follow a dual single-crystal and polycrystalline route. Even in single-crystal form, ultra-high-nickel products can exceed 230 mAh/g. They mainly serve flagship premium EVs, large cylindrical cells and semi-solid-state batteries.

Nickel content Ni90 and above; Dual single-crystal and polycrystalline routes; Design capacity 225 mAh/g, roadmap to 230 mAh/g; Single-crystal products above 230 mAh/g; High compaction density; Long cycle life; Tonne-level shipments to leading domestic and overseas customers

• Flagship premium electric vehicles
• Semi-solid-state batteries
• 4680 large cylindrical batteries
• Humanoid robots
• Low-altitude economy (eVTOL)

The mid-nickel high-voltage series is Ronbay Technology's cost-effective product line for the mid-range market. Its performance has passed customer qualification, with large-scale volume ramp-up expected from 2026. The product significantly outperforms homogeneous market offerings in energy density, cycle life and power performance, breaking through the traditional bottlenecks of difficult fast charging and insufficient cycle life in mid-nickel single-crystal materials, while combining excellent high-voltage tolerance with good kinetics.

Mid-nickel high-voltage system; Mid-nickel single-crystal process; Excellent high-voltage tolerance; High energy density; Long cycle and storage life; High safety; Fast-charging capable; Large-scale ramp-up expected from 2026

• Traction batteries for mid-range new energy vehicles
• Energy storage
• Consumer electronics

Lithium-rich manganese-based cathode material is the frontier high-capacity route in Ronbay Technology's portfolio. The company's technology ranks among the industry leaders and it is expected to be one of the first to industrialize this technology. By tuning the layered phase and the lithium-rich phase, the company achieves high capacity output at high voltage. Tonne-level orders have been secured, and the material is also used in third-generation ultra-high-capacity products for all-solid-state batteries, with capacities exceeding 300 mAh/g.

Lithium-rich manganese-based layered system; High capacity output at high voltage; Third-generation all-solid-state product capacity above 300 mAh/g; Tonne-level orders secured; Industry-leading technology level

• All-solid-state batteries
• High-energy-density traction batteries
• Premium electric vehicles

Lithium manganese iron phosphate (LMFP) is one of Ronbay Technology's core businesses, operated by its controlled subsidiary Tianjin Ronbay Scand. Products include pure-use and blend series. Compared with conventional lithium iron phosphate, LMFP offers a higher voltage plateau and energy density while retaining safety and cycle life. Current products reach 170 mAh/g in half-cell and more than 160 mAh/g in full-cell, with low-temperature capacity retention near 80% at -20 degC, key metrics that lead the industry. The company pioneered and mass-produced the LMFP 73 product, while the 64 product has become an industry benchmark. The products have achieved mass-production breakthroughs in BEV, PHEV, commercial-vehicle pure-use, power tools, 3C digital devices and premium electric motorcycles; the pure-use solution is planned for vehicle launch in 2026.

Olivine-structured phosphate system; Half-cell capacity 170 mAh/g; Full-cell capacity >160 mAh/g; Low-temperature capacity retention near 80% at -20 degC; High voltage plateau; Six advantages: high safety, low cost, long cycle life, high voltage, high capacity, ultra-low temperature; Covers Mn/Fe ratios such as 64 and 73; Both pure-use and blend routes

• Electric vehicles (BEV/PHEV)
• Pure-use solutions for commercial vehicles
• Power tools
• 3C digital devices
• Premium electric motorcycles
• Two-wheelers
• Residential, industrial and portable energy storage

M6P is a composite cathode material of ternary material and lithium manganese iron phosphate launched by Ronbay Scand. Through the scientific combination of olivine-structured phosphate material and layered oxide material, it unites six performance advantages: high safety, low cost, long cycle life, high voltage, high capacity and ultra-low temperature. It is a series of products whose blending ratio can be adjusted to downstream customers' performance and cost requirements, delivering the optimal cathode solution balancing high performance and low cost, and opening a third track for skateboard-style design of traction battery cathodes.

Olivine-structured phosphate combined with layered oxide; Series products with adjustable blending ratio; Combines six advantages: high safety, low cost, long cycle life, high voltage, high capacity and ultra-low temperature

• Entry-level and mid-range new energy vehicles
• Energy storage
• Two-wheelers
• 3C digital devices

Lithium iron phosphate is a new product line Ronbay Technology entered in July 2024 with an all-new technology. The products suit both traction batteries and high-end energy storage, precisely matching demand driven by the AI industry's surge in power demand and the rapid expansion of the high-end storage market. The line covers third- to fifth-generation LFP products; the core 3.5-generation (LFP-R1) and 4th-generation (LFP-R3) high-compaction products stand out with compaction densities of 2.56 g/cc and 2.62 g/cc or more respectively, building cost and environmental barriers on the self-developed RB one-step process.

Covers third- to fifth-generation products; LFP-R1 compaction density >=2.56 g/cc; LFP-R3 compaction density >=2.62 g/cc; High capacity, long cycle life; Self-developed RB one-step process cuts 15 conventional steps to 6, reducing investment cost by 40% and energy consumption by 30%, with zero waste discharge

• Mid- to high-end traction lithium batteries
• Large-scale energy storage systems
• High-end energy storage market

Layered oxide is one of the main technology routes in Ronbay Technology's sodium-ion cathode materials, with capacity, cycling and gassing challenges already solved. The 170 Wh/kg product has reached stable mass-production level, while the 180 Wh/kg product has completed hundred-kilogram-scale sampling and initially matches lithium iron phosphate energy density. In early 2025 the company won a 3,000-tonne layered oxide cathode order and quickly started mass-production delivery; samples have been sent to nearly one hundred downstream customers for validation.

Layered oxide system; 170 Wh/kg product in stable mass production; 180 Wh/kg product at hundred-kilogram sampling stage; Cycling, capacity and gassing issues resolved; Scale mass-production delivery

• Energy storage
• Start-stop power supplies
• Traction batteries
• Small power

Polyanion is another core route in Ronbay Technology's sodium-ion cathode materials. The products combine high safety, long cycle life, wide temperature range and low cost; cycle life exceeds 15,000 cycles and deliverable products reach electrode compaction above 2.25 g/cm3. The company has successively solved issues of phase purity, capacity and compaction density. In early 2025 it received orders for several hundred tonnes of polyanion cathode material and started mass-production delivery; the 6,000-tonne polyanion cathode line in Xiantao, Hubei, has been completed or is under construction.

Polyanion system; Cycle life >15,000 cycles; Electrode compaction density above 2.25 g/cm3; High safety, long cycle life, wide temperature range, low cost; Self-developed integrated process

• Energy storage
• Traction batteries
• Small power
• Start-stop power supplies

Prussian blue analogues are one of the three technology routes in Ronbay Technology's sodium-ion cathode materials, allowing effective control of vacancy defects, morphology and conductivity. Together with layered oxides and polyanions, this route completes the company's comprehensive sodium-ion cathode portfolio, and has maintained industry-leading results in evaluations by several mainstream customers.

Prussian blue analogue system; Tunable vacancy defects, morphology and conductivity; Low cost; Industry-leading results in mainstream customer evaluations

• Energy storage
• Traction batteries
• Small power

Ternary precursors are the core link in Ronbay Technology's precursor-to-cathode integration strategy. The company masters precursor co-precipitation technology and achieves coordinated development and integrated production of precursors and cathode materials. It operates a 6,000 t/y precursor capacity in Chungju, South Korea, and applies multiple recycling and reuse technologies in precursor production to realize an ecological circular economy.

Precursor co-precipitation technology; Nickel cobalt manganese hydroxide system; 6,000 t/y precursor capacity in Chungju, South Korea; Precursor-to-cathode integrated process; Compatible with ultra-high-nickel, sodium-ion cathode and nickel-manganese binary material lines

• Ternary cathode material manufacturing
• High-nickel and ultra-high-nickel cathode materials
• Sodium-ion cathode materials
• Traction batteries

All-solid-state battery cathode materials are the frontier line Ronbay Technology has laid out for next-generation battery technology. The company advances both cathode materials and solid electrolytes in parallel and ranks as the first supplier to several leading solid-state battery companies. The first-generation all-solid-state cathode is at tonne-level validation; the second-generation ultra-high-nickel ternary material reaches 240 mAh/g, and the third generation based on lithium-rich manganese technology exceeds 300 mAh/g. The 8-series single-crystal cathode S83L for sulfide all-solid-state batteries has shipped at ten-tonne scale and the 9-series single-crystal cathode S93LS at tonne scale, and the company is the first to commercialize large single-crystal technology for all-solid-state batteries.

8-series and 9-series high-nickel ternary; Dual single-crystal and polycrystalline routes; First generation at tonne-level validation; Second generation capacity 240 mAh/g; Third generation lithium-rich manganese-based capacity >300 mAh/g; Ultra-high-nickel single crystal >230 mAh/g; Compatible with dry electrode process; Customer evaluation meets 400 Wh/kg cell development requirements

• All-solid-state batteries
• Semi-solid-state batteries
• Electric aircraft / eVTOL
• Premium EV traction batteries

Solid electrolytes are a key part of Ronbay Technology's solid-state battery material layout. The company focuses on two technical routes, sulfide and halide, and has developed wet and dry film-forming technologies compatible with sulfide and halide systems. Its 1-micron LPSC (lithium phosphorus sulfur chloride) sulfide solid electrolyte achieves uniform particle size distribution from micron to nanoscale with significantly improved air stability; all-solid-state batteries made with it retain more than 80% capacity after 1,000 cycles. Halide electrolytes maintain stable capacity retention after 1,000 cycles and are capable of stable kilogram-scale preparation and sampling.

Dual route: sulfide (LPSC lithium phosphorus sulfur chloride) and halide; Controllable 1-micron-scale particle size distribution; Capacity retention >80% after 1,000 cycles; Improved air stability; Kilogram-scale stable preparation and sampling capability; Sulfide electrolyte pilot line under construction

• All-solid-state batteries
• Semi-solid-state batteries
• Solid electrolyte membranes

Recycled and regenerated materials are the circular-industry-chain products in Ronbay Technology's cathode material recycling layout. While mastering the integrated core technology for ternary cathodes and precursors, the company actively positions itself in the recycling and reuse of spent lithium battery materials, forming a complete closed loop for traction battery circular utilization. It possesses core technologies such as NiCoMn metal recovery and Li2CO3 recovery, recovering nickel, cobalt, manganese and lithium through inorganic acid dissolution, impurity removal and co-precipitation, with no traditional extraction step, a short process with low pollution and low cost. Nickel and cobalt metal recovery rates reach above 98.5%, and the regenerated NiCoMn precursor can be fed directly back into cathode production lines.

NiCoMn metal recovery technology (short extraction-free process, Ni and Co metal recovery rate >=98.5%); One-step lithium carbonate recovery technology; Battery-grade lithium dihydrogen phosphate preparation technology; Integrated LFP recycling technology; Value-added recovery of diversified phosphate feedstocks; Complete production-recycling-regeneration closed loop

• Regenerated feedstock for ternary cathode materials
• Precursor self-sufficiency
• Traction battery circular utilization
• Phosphate cathode material circular utilization