Cellulose is used as a base material in energy storage devices for several reasons:
- Abundance and Sustainability: Cellulose is the most abundant organic polymer on Earth and is derived from renewable sources such as plants and trees. Its availability in large quantities makes it an attractive and sustainable material for energy storage applications.
- Biodegradability: Cellulose is biodegradable, meaning it can be broken down by natural processes, making it an environmentally friendly material. This is particularly important in the development of eco-friendly energy storage technologies.
- High Surface Area: Cellulose has a fibrous structure with a large surface area, which is beneficial for energy storage devices. It provides a greater contact area for electrode-electrolyte interactions, facilitating efficient charge transfer and improving the overall performance of the device.
- Electrochemical Stability: Cellulose possesses good electrochemical stability, meaning it can withstand repeated cycles of charging and discharging without significant degradation. This is crucial for the long-term durability and reliability of energy storage systems.
- Porosity and Ion Accessibility: Cellulose-based materials can be engineered to have a high degree of porosity, allowing for efficient ion diffusion and transport within the material. This promotes faster charging and discharging rates and enhances the overall energy storage capacity.
- Flexibility and Compatibility: Cellulose can be processed into various forms such as films, fibers, and aerogels, making it versatile for different energy storage device architectures. It can also be easily integrated with other active materials, such as nanoparticles or polymers, to enhance performance or enable synergistic effects.
- Safety: Cellulose-based materials are generally considered safe and non-toxic, which is crucial for applications in energy storage devices that require stable and non-hazardous materials.
Overall, the unique properties of cellulose make it an attractive choice as a base material in energy storage devices, offering a combination of sustainability, electrochemical performance, and compatibility with other components of the device. Ongoing research and development in this field aim to further optimize the properties of cellulose-based materials for improved energy storage capabilities.
You can get more detailed info by following the papers given below:
a)
Article Cellulose from waste materials for electrochemical energy st...
b)
Article An Overview of Bacterial Cellulose in Flexible Electrochemic...
c) https://www.cell.com/heliyon/pdf/S2405-8440(23)00235-9.pdf