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TableĀ 6 Relative error and correlation coefficient R2 among equivalent model, cubic fitting equation and experiment

From: Mass-Spring-Damping Theory Based Equivalent Mechanical Model for Cylindrical Lithium-ion Batteries under Mechanical Abuse

SOC00.20.40.50.60.8
Relative error between equivalent model and experiment (%)6.8910.107.693.636.495.72
Correlation coefficient between equivalent model and experiment0.99850.99760.99810.99930.99770.9993
Relative error between cubic fitting equation and experiment (%)24.4323.5618.1524.2327.7427.78