Abstract
Ion transport is a significant concept that underlies a variety of technologies including membrane technology, energy storages, optical, chemical, and biological sensors and ion-mobility exploration techniques. These applications are based on the concepts of capacitance and ion transport, so a prior understanding of capacitance and ion transport phenomena is crucial. In this review, the principles of capacitance and ion transport are described from a theoretical and practical point of view. The review covers the concepts of Helmholtz capacitance, diffuse layer capacitance and space charge capacitance, which is also referred to as quantum capacitance in low-dimensional materials. These concepts are attributed to applications in the electrochemical technologies such as energy storage and excitable ion sieving in membranes. This review also focuses on the characteristic role of channel heights (from micrometer to angstrom scales) in ion transport. Ion transport technologies can also be used in newer applications including biological sensors and multifunctional microsupercapacitors. This review improves our understanding of ion transport phenomena and demonstrates various applications that is applicable of the continued development in the technologies described.
Highlights
A ReviewNawapong Unsuree 1, *, Sorasak Phanphak 2, *, Pongthep Prajongtat 3 , Aritsa Bunpheng 4 , Kulpavee Jitapunkul 5 , Pornpis Kongputhon 6 , Pannaree Srinoi 4 , Pawin Iamprasertkun 5,6, * and Wisit Hirunpinyopas 4, *
Ion transport is one of the basic principles of the development of various different technologies that can improve the quality of our lives, such as the ever-growing importance of clean and sustainable energy, the reduction of water scarcity and even the improvement of fundamental medical application knowledge
This review has provided the fundamental knowledge of capacitance and ion sieving and transportation, which provides the basic methods behind electrochemical ion transport phenomena that are used in a variety of applications such as energy storage, molecular transport, ion transport in biological cells and energy harvesting
Summary
Nawapong Unsuree 1, *, Sorasak Phanphak 2, *, Pongthep Prajongtat 3 , Aritsa Bunpheng 4 , Kulpavee Jitapunkul 5 , Pornpis Kongputhon 6 , Pannaree Srinoi 4 , Pawin Iamprasertkun 5,6, * and Wisit Hirunpinyopas 4, *.
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