Wang You, Chen Dongchang
Department of Chemistry and Chemical Biology, University of New Mexico, Albuquerque, New Mexico 87131, United States.
ACS Appl Mater Interfaces. 2022 Feb 7. doi: 10.1021/acsami.1c20893.
The future of the energy industry and green transportation critically relies on exploration of high-performance, reliable, low-cost, and environmentally friendly energy storage and conversion materials. Understanding the chemical processes and phenomena involved in electrochemical energy storage and conversion is the premise of a revolutionary materials discovery. In this article, we review the recent advancements of application of state-of-the-art vibrational spectroscopic techniques in unraveling the nature of electrochemical energy, including bulk energy storage, dynamics of liquid electrolytes, interfacial processes, etc. Technique-wise, the review covers a wide range of spectroscopic methods, including classic vibrational spectroscopy (direct infrared absorption and Raman scattering), external field enhanced spectroscopy (surface enhanced Raman and IR, tip enhanced Raman, and near-field IR), and two-photon techniques (2D infrared absorption, stimulated Raman, and vibrational sum frequency generation). Finally, we provide perspectives on future directions in refining vibrational spectroscopy to contribute to the research frontier of electrochemical energy storage and conversion.
能源行业和绿色交通的未来严重依赖于对高性能、可靠、低成本且环保的能量存储与转换材料的探索。理解电化学能量存储与转换中涉及的化学过程和现象是实现革命性材料发现的前提。在本文中，我们综述了最先进的振动光谱技术在揭示电化学能量本质方面的最新进展，包括体能量存储、液体电解质动力学、界面过程等。在技术方面，该综述涵盖了广泛的光谱方法，包括经典振动光谱（直接红外吸收和拉曼散射）、外场增强光谱（表面增强拉曼和红外、针尖增强拉曼以及近场红外）和双光子技术（二维红外吸收、受激拉曼和振动和频产生）。最后，我们对改进振动光谱以推动电化学能量存储与转换研究前沿的未来方向提出了展望。
