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Li-S Battery Technology Confronts Rapid Growth In 2024 With Contrasting Strengths And Weaknesses STRENGTH
WEAKNESS
OPERATING PRINCIPLE
Li dendrite Volume expansion ANODE Unstable SEI
Li metal anode
Chemical reactivity S/Li2S conductivity
Anode: Li ⇔ Li+ + e-
Cathode: S + 2Li+ + 2e- ⇔ Li2S
Overall: S8 + 2Li ⇔ Li2S8
E ≈ 2.15 V vs. Li / Li+
CATHODE
S/Li2S volume expansion Polysulfide shuttle Sluggish kinetics
Soluble polysulfides (Li2Sx, 6≤x≤8)
From 2016 to 2024, the number of publications in the web of science focused on Li-S battery increased by 156.2% In 2024, there were 2939 publications with “Li-S battery” as one of the keywords
Source: https://iolitec.de/node/657, Web of Science, Alternative Battery Technologies Roadmap 2030+ (Fraunhofer ISI, doi:10.24406/publica-1342), Adv. Sci. 2022, 9, 2103879, Front Chem., 2020, 8:409
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