Electrochromic device, method of manufacturing same and window device including same

A window device comprising:

• a frame;
• a window mounted to the frame;
• and
• an electrochromic device disposed in the window,
• the electrochromic device comprising:
• a first substrate;
• a first transparent electrode disposed on the first substrate;
• a first chromic layer disposed on the first transparent electrode;
• an electrolyte layer disposed on the first chromic layer;
• a second chromic layer disposed on the electrolyte layer;
• a second transparent electrode disposed on the second chromic layer;
• a second substrate disposed on the second transparent electrode;
• and
• a lithium-rich layer disposed beneath and adjacent to the second chromic layer,
• wherein the lithium-rich layer contains a higher lithium concentration than the second chromic layer.