Enhancement of the electrochemical performance of the spinel structure LiNi0.5-xGaxMn1.5O4 cathode material by Ga doping

Table 3 Lithium ion diffusion coefficient (D_Li⁺) for LiNi_0.5-xGa_xMn_1.5O₄ (x = 0, 0.04, 0.06, 0.08, 0.1) samples obtained from EIS

Samples (LiNi_0.5-xGa_xMn_1.5O₄)	R_ct (Ω)	σ (Ωs^−1/2)	D_Li⁺ (cm² s⁻¹)
Ga-0	168.40	155.01	3.89 × 10⁻¹²
Ga-0.04	133.00	115.64	6.99 × 10⁻¹²
Ga-0.06	86.73	34.22	7.99 × 10⁻¹¹
Ga-0.08	113.30	43.77	4.88 × 10⁻¹¹
Ga-0.1	143.66	105.32	8.43 × 10⁻¹²