T0 25[degC] 温度
V_therm R_const*T0/F_const "热电压"
DA 1e-9[m^2/s] "扩散系数，阳离子"
DX DA "扩散系数，阴离子"
cA_bulk 10[mol/m^3] "阳离子本体浓度"
cX_bulk cA_bulk "阴离子本体浓度"
zA +1 "阳离子电荷"
zX -1 "阴离子电荷"
Istr_bulk 0.5*((zA^2+zX^2)*cA_bulk) "本体离子强度"
eps_H2O 78.5 "水的相对介电常数"
xD sqrt(epsilon0_const*eps_H2O*V_therm/(2*F_const*Istr_bulk)) "德拜长度"
xS 0.2[nm] "Stern 层厚度"
L_cell xD*10 "电池长度"
h_max L_cell/20 "最大网格单元大小"
h_max_surf xD/100 "最大网格单元大小（电极）"
Cd_GCS epsilon0_const/(xD/eps_H2O+xS/eps_S) "单位面积电容（GCS 理论，低电位极限）"
phiM 1[mV] "电极电压 vs. PZC"
eps_S 10 "Stern 层的相对介电常数"