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Focus

Our group is primarily focused on the development of advanced energy systems that leverage semiconductor materials and technologies. Our dedicated efforts are aimed at designing systems that reduce the reliance on fossil fuels, increase energy efficiency, optimize energy storage performance, lower production costs, and minimize environmental pollution during the manufacturing process. Our overarching objective is to explore diverse solutions that strike a balance between convenience and sustainability through the use of science and technology.

本研究室的主要目標在於利用半導體材料及技術，發展先進的能源材料系統。我們致力於減少化石燃料的使用，提高能源使用效率，增進能源儲存效能，降低工業生產成本及污染。我們的目標是在科技帶來便利的同時，也能夠同時兼顧永續發展的要求。

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Rechargeable High-energy-density EV Battery

The increasing popularity of electric vehicles (EVs) and portable electronics has created a growing demand for rechargeable batteries. However, current battery technology has not been able to keep pace with the requirements of these devices. Thus, the development of high-performance and high-energy-density energy storage devices has become crucial. While lithium-ion batteries are currently the most reliable battery system available, electrode materials remain a critical limiting factor for energy density. To address this issue, researchers are exploring new materials such as Si/Ge/Sn anodes, high-nickel cathodes, lithium-sulfur batteries, and novel cell configurations. These advancements hold great promise in boosting battery performance and energy density.

由於電動車科技與可攜式電子產品的快速發展，對於可重複充電電池的需求也日漸升高，然而電池科技的進展卻無法滿足實際需要，因此研發出高性能高能量密度的儲能裝置變得非常重要。目前鋰離子電池仍是最主流的儲能系統，但電極材料還是限制電池能量密度的最關鍵元件，新的電極如矽、鍺、錫負極材料、高鎳正極材料、鋰硫電池系統，以及新穎電池設計將會在未來扮演重要角色。

Redox Flow Cell

Flow batteries are a type of rechargeable battery that utilize active materials that dissolve in the electrolyte. The size of the tank used in the battery determines the overall amount of energy that can be stored in the redox flow cell, making them an attractive option for large-scale applications, such as smart grid energy storage. Redox flow batteries have the potential to serve as stationary energy storage systems for renewable energies, providing several advantages over other storage options. However, there are still some challenges to be addressed, including electrode degradation, active material crossover, and the issue of achieving economies of scale in manufacturing.

液流電池是一種採用溶解態活性物質的電池，其電解液容器的容積決定了可儲存能量的大小。因此，液流電池的總電量可以達到相當大的尺度，非常適合用於智慧電網，甚至可作為大型再生能源定點儲電裝置。不過，液流電池目前需要克服的困難有：電極的劣化、正負極活性材料交互汙染，以及建置成本的問題。

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Thin-Film & 3D Battery

Thanks to advancements in semiconductor processing, thin-film batteries can now be seamlessly integrated into integrated circuits, allowing a basic anode and cathode pair to power any microelectronics. Additionally, the shorter ion transport distance in these batteries provides a significant advantage in terms of rapid recharging. For applications that require higher energy capacity, 3D batteries can be designed with increased active material loading while still maintaining excellent rate capability. Precise manufacturing methods ensure that 3D batteries are manufactured with high yield, performance, and material utilization efficiency.

成熟的半導體製程使得薄膜電池能夠被整合到積體電路中，只需要一對薄膜負極與正極，就可以使微電子裝置自帶電力，由於薄膜電極的特殊設計，縮短的離子傳導距離提供了快速充電的優勢。對於需要更高能量密度的應用，設計3D立體電池可以有效地增加活性材料的載量，同時並能兼具極佳的電池充放電倍率性能。精密製造技術將會保證3D立體電池的高良率、高性能、以及完美的材料利用效率。

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Graphene Technologies

Graphene is a two-dimensional material composed of carbon atoms arranged in a hexagonal lattice through strong in-plane covalent bonds. It is known to be the thinnest, strongest, and most conductive material on Earth. By using suitable graphene precursors, it is possible to create a range of graphene-enhanced materials such as core-shell, composite, low-density and highly porous, or laminated structures. To suit different applications, graphene materials can also be processed using various methods to achieve uniform distributions, even for water-sensitive and heat-sensitive materials.

石墨烯是由平面共價鍵碳原子組成的二維六角形晶格結構，具有地球上已知的最薄、機械性質最強、以及最佳傳導性等特性。透過適當的前驅體設計，石墨烯可以形成核-殼結構、複合材料結構、低密度高孔隙結構或疊層結構。藉由採用不同的製程技術，石墨烯可以被均勻地分散並應用在對水或對熱敏感的原材料製程中。

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