Published January 15, 2021 | Version v1
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Aging Test - Cylindrical Cell - Part 02 - Modules

  • 1. Underwriters Laboratories Inc.
  • 2. Purdue University

Description

Test Sample Specifications

  • Configuration: 3P9S (3 cells in parallel (bank), 9 banks in series) Module
  • Nominal Capacity =  10.2 Ah
  • Graphite / NCA Cells
  • 18650 Cells 

Cycling Protocol - Normal Voltage Window

  • Charge: CCCV at 1C up to 37.8 V and a C/20 cutoff current 
  • Discharge: CC at 1C down to 24.3 V
  • Capacity Fade = 20 %
  • Number of Cycles = 100

Cycling Protocol - Reduced Voltage Window

  • Charge: CCCV at 1C up to 36.0 V and a C/20 cutoff current 
  • Discharge: CC at 1C down to 26.1 V
  • Capacity Fade = 20 %
  • Number of Cycles = 135

Notes

Temperature was collected from the middle cell of each of the banks (1 bank = 3 cells in parallel connection)

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Website: Underwriters Laboratories Inc.

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