Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 9, Issue 25, Pages 14172-14213Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ta00998b
Keywords
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Funding
- Irish Research Council (IRC), under the IRC Enterprise Award Scheme [EPSPG/2017/233]
- Intel Ireland, under the IRC Enterprise Award Scheme [EPSPG/2017/233]
- SIRG [18/SIRG/5484]
- Science Foundation Ireland (SFI) [16/IA/4629, SFI 16/M-ERA/3419]
- SFI Research Centre CONFIRM [12/RC/2278_P2, 12/RC/2302_P2, 16/RC/3918]
- [IRCLA/2017/285]
- Irish Research Council (IRC) [EPSPG/2017/233] Funding Source: Irish Research Council (IRC)
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This comprehensive review explores the factors influencing the performance of Li-ion batteries at low temperatures, outlines the shortcomings of current technologies, and discusses recent findings in the field with a focus on alternative anode materials. Various approaches to improving the performance of Li-ion batteries at low temperatures are analyzed in-depth, offering diverse solutions for enhancing their performance.
Li-ion batteries (LIBs) have become critical components in the manufacture of electric vehicles (EVs) as they offer the best all-round performance compared to competing battery chemistries. However, LIB performance at low temperature (LT) extremes of EV operation (typically -40 to 0 degrees C) suffers from a reduced output and diminished cycle life. LT cycling increases cell impedance, diminishing Li ion diffusion through the cell, exacerbating electrode polarisation, and hindering interfacial Li+ desolvation. Herein, we present a comprehensive review of (i) the factors that influence LT Li-ion performance, (ii) outline the shortcomings of the current state-of-the-art and (iii) discuss recent findings in the field, focusing on alternative anode materials with particular emphasis on high-capacity, fast charging alternatives to the archetypal carbon (graphite) anode. Different approaches to improve LT LIB performance are outlined in an in-depth analysis of recent improvements from the anode perspective. These include electrolyte-driven enhancements, the resurgence of Li metal batteries, the impact of conductive coatings, elemental doping and nanocomposite formation, substitution of intercalating anodes with high-capacity Li alloying and Li conversion materials, and fast redox pseudocapacitance.
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