UN SDGs
This output contributes to the UN Sustainable Development Goals (SDGs)

In an era where sustainability and innovation are paramount, several research groups have pioneered the development of advanced energy storage solutions, specifically fiber-based supercapacitors and zinc-iodine batteries. Captilizing on their robust background in polymer processing and practical expertise in electrochemistry, these leading researchers have pioneered wearable electronic textile technologies that align closely with ESG principles.

Imagine a future where your clothing not only adapts to your body but actively monitors your health and environmental conditions. Consistent with this vision, leading researchers have developed fiber-based sensors capable of detecting temperature changes, humidity levels, and physiological signals as shown in Figure 1; integrating smart technology into everyday textiles. This innovation offers a groundbreaking solution for healthcare monitoring, allowing individuals to maintain optimal health without the discomfort of traditional devices. The fiber-based supercapacitors provide an eco-friendly energy storage solution. These supercapacitors use both natural and synthetic fibers to lessen dependency on traditional energy sources, greatly reducing carbon footprints and fostering environmental sustainability.

Figure 1.

Figure 1. (a) Image of an arm wrapped with the fiber-based temperature sensor fabric, (b) Results showing a 7s fast response time and 20s quick recovery time, (c) Time-dependent response current under three cycles of exposure to the human body. (d) Cross-section of the thermal sensing fiber, (e) Heating due to touch on the constructed fabric and (f) Cooling with an ice cube. (g) Temperature sensing fiber. (Ref. 1)

These pioneering contributions not only advance wearable electronic textiles but also reshape our daily lives. This innovations in fiber-based supercapacitors and sensors promise to enhance individual well-being while driving us toward a more sustainable future, embodying the core values of ESG in the rapidly evolving technological landscape.

Simultaneously, significant advancements in zinc-iodine batteries were created as a promising alternative to traditional lithium-ion systems. The research groups have focused on optimizing electrode, cathode and electrolytes materials, significantly improving performance and longevity. An example of zinc-iodine / oxidized salt-templated carbon preparation and working mechanism is illustrated in Figure 2.

Figure 2.

Figure 2. (a) Preparation of I2/OSTC and working mechanism as cathode in zinc-iodine battery, (b) Cycling performance of I2/OSTC and I2/STC cathodes over 10,000 cycles. (Ref. 2)

These advancements are more than just technical achievements; they represent a shift towards sustainable energy solutions that can improve quality of life. These researches not only meet the growing demand for energy autonomy but also align with global sustainability goals. The potential applications of these advancements are vast, ranging from electric vehicles to renewable energy storage systems. The high energy density of zinc-iodine batteries makes them particularly suitable for electric vehicles, where performance and weight are critical factors. Furthermore, their cost-effectiveness and environmental friendliness align perfectly with the growing demand for sustainable energy solutions.

Looking ahead…….

After summarizing this area’s research achievements, Prof. Bin FEI believes that thetransformative findings in fiber-based supercapacitors and zinc-iodine batteries is set to revolutionize the energy storage landscape. These innovations will not only pave the way for next-generation energy-autonomous systems but also contribute to a sustainable future, embodying the core values of ESG in today’s technological advancements. As they fine-tune these technologies further for commercial adoption, he holds the view that collaboration with industries and institutions may facilitate knowledge sharing and accelerate the commercialization efforts for these technologies. This could lead to the development of practical applications, particularly in wearable technologies and renewable energy storage systems. This journey towards cleaner, smarter energy solutions illustrates the profound impact of small fibrous prototypes on enhancing the quality of life globally.

  • Refer to review articles:
    (1) Benjamin Tawiah, Raphael Kanyire Seidu, Benjamin Kwablah Asinyo, Bin Fei.* A review of fiber-based supercapacitors and sensors for energy-autonomous systems. Journal of Power Sources 2024, 595, 234069.
  • (2) Benjamin Tawiah, Emmanuel A. Ofori, Daming Chen, Hao Jia, Bin Fei.* Sciento-qualitative study of zinc-iodine energy storage systems. Journal of Energy Storage 2024, 79, 110086.