주식회사 금양

· Conducting lithium business optimized for high nickel cathode materials
· OEM sales through joint development with a single-crystalline high nickel manufacturer with the best domestic technology
· Secured lithium ore through overseas mining business and promoting refining business

Additives for rechargeable batteries (Zr+AI)

· Mixing/selling of mineral materials essential for improving the performance of cathode materials
· Supply of various mixed products to domestic cathode material manufacturers

Additive processing business for battery materials

Process

Additive processing business

· Annual production capacity of 1,200 tons
· Capable of varying mixing ratios according to customer requests

· Block external contamination through sealing and automatic operation
· All process lines use SUS316 and SUS304 materials

· ETFE coating for electronic materials
· Capable of responding to production in either small quantities or mass production as per customer request

[Anhydrous] Lithium hydroxide business

Lithium processing flow chart

Specification l Anhydrous

Specification
No.	Inspection	Specification
1	Dmin μm	≥ 0.04
2	D50 μm	5.0±0.5
3	Dmax μm	≤ 20
4	Moisture %M	≤ 0.3
5	Li2CO3 wt%	≤ 2.5
6	LiOH wt%	≥ 97
7	Li wt%	30±0.5
8	Ca ppm	≤ 100

Specification
No.	Inspection	Specification
9	Cu ppm	≤ 5
10	Fe ppm	≤ 5
11	Mg ppm	≤ 5
12	Na ppm	≤ 100
13	S ppm	≤ 100
14	Si ppm	≤ 3
15	Zn ppm	≤ 3
16	Magnetic foreign materials ppb (Fe+Cr+Zn+Cu)	≤ 50

Lithium hydroxide crushing and processing business

· Annual production capacity of 10,000 tons
· Prevents conversion to lithium carbonate by using CO2 remover

· ETFE coating for electronic materials in all process lines

· Block external contamination through sealing and automatic operation.

[Anhydrous] Lithium hydroxide crushing and processing business

· Annual production capacity of 2,000 tons
· Capable of responding to production in either small quantities or mass production as per customer request

· Prevents conversion to lithium carbonate by using CO2 remover
· All process lines use SUS316 and SUS304 materials

· Block external contamination through sealing and automatic operation.

Secondary battery material

Kumyang has been preparing to expand the demand for main components of automotive batteries, i.e., secondary battery materials, as a new-growth business by building processing facilities and receiving approvals for related products from our corporate customers

Lithium Hydroxide processing business

The business of ultra-precision processing of lithium hydroxide, a key raw material for cathode materials, which accounts for 40% of the manufacturing costs of secondary batteries, suitable for electric vehicles · Supplying processed lithium hydroxide specialized for electric vehicles to domestic cathode material manufacturers through business cooperation with major lithium makers

NCMA-Based Secondary Battery Core Additive Business

The next-generation batteries, NCMA-based secondary or rechargeable batteries, significantly increase the driving range of electric vehicles compared to the existing NCM-based (nickel, cobalt, manganese) batteries · The addition of aluminum to high nickel NCM-based materials increases output and stability; one type of aluminum and other materials are mixed, processed and added

Unique Cathode Material Business

Unique cathode materials that improve the range of electric vehicles improve the electric energy efficiency of next-generation high nickel-based secondary batteries · Unique high nickel cathode materials are the technology that can be applied to the performance improvement of next-generation anode materials