Towards an All-Solid-State Electrochromic Device: A Review of Solid-State Electrolytes and the Way Forward

Area of Science:

• Materials Science
• Energy Science
• Sustainable Architecture

Background:

• Smart windows, or switchable glasses, are crucial for energy savings in buildings and transportation.
• They regulate solar heat and light input, reducing air-conditioning costs and enhancing indoor comfort.
• Electrochromism, the color-changing property of electrochromic (EC) materials under voltage, enables smart window functionality.

Purpose of the Study:

• To review recent advancements in solid electrolytes for electrochromic devices (ECDs).
• To address the limitations of current liquid-based electrolytes in ECDs, such as leakage, evaporation, and safety concerns.
• To identify promising solid electrolyte materials as viable alternatives for improved ECD performance and safety.

Main Methods:

• Literature review of recent scientific publications on solid electrolytes for ECDs.
• Analysis of the properties and performance of various solid electrolyte materials.
• Comparison of solid electrolytes with traditional liquid electrolytes in terms of efficiency, durability, and safety.

Main Results:

• Solid electrolytes offer potential solutions to the drawbacks of liquid electrolytes in ECDs.
• Emerging solid electrolyte technologies demonstrate promising performance characteristics.
• Advancements in solid electrolytes pave the way for more reliable and safer smart window applications.

Conclusions:

• Solid electrolytes represent a significant advancement in smart window technology.
• The transition to solid electrolytes is critical for overcoming the safety and stability issues associated with liquid electrolytes.
• Further research and development in solid electrolytes will accelerate the adoption of energy-efficient smart windows.