Confidential Technical presentation of 15L 15L(15Q NMC) vs. 15Q NCA Jul.
Confidential Contents Introduction of 15L(15Q NMC) vs.
Confidential Specification summary of 15L (15Q NMC) Type Spec. NMC based 15L NCA based 15Q(Ref.) Chemistry - NMC / LMO NCA / LMO Diameter Max. 18.25 18.15 ± 0.1 18.15 ± 0.1 Height Max. 65.0 64.85 ± 0.15 64.60 ± 0.15 Weight Max. 45.0 42 42 Initial IR (mΩ AC 1kHz) ≤ 30 21 ± 2 22 ± 2 Initial IR (mΩ DC (10A-1A)) ≤ 45 31 ± 2 34 ± 2 Nominal Voltage (V) 3.6 3.68 3.68 Charge Method (100mA cut-off) CC-CV (4.2± 0.05V) CC-CV (4.2± 0.05V) CC-CV (4.2± 0.05V) Standard (min), 0.
Confidential Initial discharge capacity of NMC vs. NCA 15L(15Q NMC) : Ave. 1531 ± 30mAh ref. 15Q NCA : Ave.
Confidential AC impedance of NMC vs. NCA 15Q NMC : Ave. 20.8 ± 2.0mΩ Ω Ref. 15Q NCA : Ave. 21.8 ± 2.
Confidential DC impedance of NMC vs. NCA 15Q NMC : Ave. 30.7 ± 2.0mΩ Ω Ref. 15Q NCA : Ave. 34.1 ± 2.
Confidential Rate capability of NMC vs.
Confidential Rate capability of NMC vs.
Confidential Rate capability of NMC vs.
Confidential Rate capability of NMC (energy & voltage) - 10 / 22 -
Confidential Rate capability of NMC (temperature rise) - 11 / 22 -
Confidential Temperature rise at various discharge current Rate performances of 15Q NMC is similar to NCA - 12 / 22 -
Confidential Low temperature performance - 13 / 22 -
Confidential High temperature performance Similar 10A discharge performance at 60C was shown.
High current cycle life (25℃) 15L (15Q NMC) has better cycle life at 22A continuous discharge.
Confidential Calendar life characteristics Storage characteristics of 15Q NCM is similar to NCA - 16 / 22 -
High current cycle life (60℃) Cycle life of 15L (15Q NMC) at even 60 degree C is very good - 17 / 22 - Confidential
Confidential Low voltage recovery test Procedure 1) Charge : CC-CV, 4A 4.2V, 100mA Cutoff 2) Discharge : 0.2C, 0V cutoff 3) Charge : 0.3A, 3min. Cutoff 4) Idle : 30min.
Confidential Safety test results of 15L Results Item Spec. OK/NG Remark 114.1 ℃ OK - 3L1 155.9℃ OK - L1 ↓ 3L1 - OK 2.5mm, 200mm/sec Crush (13kN) L1 ↓ 3L0 - OK - Impact (15.8￠, 9.1Kg, 61Cm) L1 ↓ 3L0 - OK - Results Max temp. L1 ↓ 3L1 Heating(150℃) L1↓, 10min. standing Nailing (4.
Confidential Overcharge test - 20 / 22 -
Confidential Hot oven test - 21 / 22 -
Confidential Impact, Crush and Nail test Impact Crush Nailing - 22 / 22 -
