期刊
CONDENSED MATTER
卷 6, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/condmat6030026
关键词
Li-ion battery; Na-ion battery; Li-air battery; spectroscopy techniques for batteries; first-principles calculations; cathode materials; anode materials; electrolytes; Li diffusion and intercalation
资金
- Ministry of Education and Culture (Finland)
Efficiency and longevity of energy storage systems based on Li- and Na-ion rechargeable batteries face challenges due to capacity loss and limited cyclability, spanning various length and time scales. Recent advancements in spectroscopy techniques and first-principles simulations have been successful in shedding light on the reduction-oxidation reaction and intercalation processes, providing improvements to diagnostic techniques.
Improving the efficiency and longevity of energy storage systems based on Li- and Na-ion rechargeable batteries presents a major challenge. The main problems are essentially capacity loss and limited cyclability. These effects are due to a hierarchy of factors spanning various length and time scales, interconnected in a complex manner. As a consequence, and in spite of several decades of research, a proper understanding of the ageing process has remained somewhat elusive. In recent years, however, combinations of advanced spectroscopy techniques and first-principles simulations have been applied with success to tackle this problem. In this Special Issue, we are pleased to present a selection of articles that, by precisely applying these methods, unravel key aspects of the reduction-oxidation reaction and intercalation processes. Furthermore, the approaches presented provide improvements to standard diagnostic and characterisation techniques, enabling the detection of possible Li-ion flow bottlenecks causing the degradation of capacity and cyclability.
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