Indian Researchers Develop Smart Polymer Gel to Reduce Cooling Demand and Generate Power

Researchers at the Indian Institute of Technology Bhilai have developed a smart polymer gel that delivers two essential energy-related functions. The material can reduce indoor cooling demand by adjusting its transparency in response to rising temperatures, and it can also generate small amounts of electricity when used as an electrolyte. This combination of passive cooling and active power generation positions the innovation as a promising development for sustainable building technologies and low-carbon systems.

How the Smart Polymer Works

The research team, led by Sanjib Banerjee and supported by a group of scientists including Nishikanta Singh, Durgesh Kumar Sinha, Koushik Mahata, Dillip Bhoi, Tejram Dewangan, and Katchala Nanaji, engineered the polymer to respond directly to heat. As temperatures increase, the gel reduces its transparency, limiting the entry of solar radiation into buildings. This helps lower dependence on air-conditioning, a major driver of electricity consumption in regions facing intense heat.

Alongside its cooling benefits, the polymer’s ability to act as an electrolyte introduces new possibilities for small-scale clean power production. Although current electricity-generating performance remains at the laboratory level, the dual functionality demonstrates the potential for materials that can serve multiple sustainability objectives at once.

Scientific Validation and Potential Uses

The polymer gel has been peer-reviewed and accepted for publication in Advanced Functional Materials, confirming the scientific strength and novelty of the work. Its potential applications extend across building design, glazing systems, energy-harvesting devices, and integrated sensor networks. For the building sector in particular, this innovation offers a pathway to reduce operational energy costs while improving overall energy performance.

Challenges Before Commercial Deployment

Despite its promise, the polymer must overcome key hurdles before entering the market. Long-term durability under sunlight, humidity, and environmental exposure must be confirmed. Cost-effective production and ease of installation will be essential for adoption by manufacturers and construction firms. Additionally, improvements to electrical efficiency and material lifespan will determine how effectively the polymer can support practical energy-generation applications. Environmental considerations, including the material’s lifecycle impacts, will also influence its sustainability credentials.

A Step Toward Smarter, Low-Carbon Materials

As global efforts intensify to reduce carbon emissions, innovations like the IIT Bhilai smart polymer highlight the importance of integrating energy-saving and energy-producing functions into a single material. By supporting reductions in cooling demand and enabling localised clean power production, the polymer gel demonstrates how multi-functional materials can contribute to a more efficient and resilient net-zero future.

Source: timesofindia.indiatimes.com