Cylindrical Secondary Battery Business
The process of making cathode and anode
High Nickel (Ni 90 or more)
Application of single-crystal cathode materials
Mixing
Coating
Roll Press
Slitting
The process involves winding the electrode, inserting it into the can, injecting electrolyte, and sealing it
Winding
JR Insert
Beading
EL Filling
Crimping
Washing
Tubing
The process involves activating the battery with electrical energy and checking its stability
RT Aging
Formation
HT Aging
DCIR
Grading
Modularization process to suit an electric vehicle model
Cell inspection and assembly
BMS assembly
EOL inspection
We have established an optimized smart factory to maximize facility productivity and efficiency of supply, delivery, and warehouse logistics
We have strengthened inspection by operating a deep learning process for Al-based quality monitoring
Process analysis
KPI management
Integrated control
Productivity and quality control
Predictive analysis of potential failures
Real-time integrated facility management
Electric vehicle
E-Mobility
E-motorcycle
Energy Storage System(ESS)
The 21700 battery is enhanced battery with larger capacity and higher energy density than the 18650 battery
Increased more than 50% by applying NCMA Cathode materials
Decreased costs of the number of batteries for driving single EV (Key Point: 7,000 pcs → 3,000 pcs)
Lightweight battery
Extended hours of battery use
Enhanced design for flexibility
Enhanced stability and quality of battery
Cell Model | Capacity(mAh) | Nominal Voltage(v) | Max Continuous Discharge Current(A) | Remark |
---|---|---|---|---|
KY INR21700-40P | 4,000 | 3.6 | 45 | TBD |
KY INR21700-42P | 4,200 | 3.6 | 45 | TBD |
KY INR21700-49E | 4,900 | 3.65 | 14.7 | |
KY INR21700-48E | 4,800 | 3.65 | 14.7 | |
KY INR21700-50E | 5,000 | 3.65 | 15 | |
KY INR21700-53E | 5,300 | 3.65 | 10.6 | TBD |
Increase plus 5x the energy capacity more than the 21700
To increase plus 6x of power output
To extend the distance up to 16% in EV
To invest the development of cylindrical battery for meeting customer expectation
To save the cost through the technology for material and process
To be one of game changers in the global automotive industry
Item | 21700 | 4680 |
---|---|---|
Diameter (mm) | 21 | 46 |
Height (mm) | 70 | 80 |
Weight (g) | 70 | 320 |
Cell unit per EV | 4,400 | 960 |
Energy capacity (mAh) | 5,000 | 25,000 |
The area of land : 180,296㎡
Gross floor area : 124,479㎡
Building area : 71,596㎡