2022
DOI: 10.1021/acsami.2c08788
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High-Energy-Density and Long-Lifetime Lithium-Ion Battery Enabled by a Stabilized Li2O2 Cathode Prelithiation Additive

Abstract: Lithium-ion batteries (LIBs) typically suffer from large irreversible capacities caused by active lithium loss during formation of a solid electrolyte interface (SEI) at the anode side. Cathode prelithiation with preloaded additives has emerged as an effective strategy to solve the above issue. With ultrahigh theoretical capacity, Li2O2 serves as an excellent cathode prelithiation additive, whereas poor ambient stability limits its further development. In this study, we report a surface protection strategy to … Show more

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Cited by 15 publications
(3 citation statements)
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“…Reproduced with permission. [111] Copyright 2022, American Chemical Society. c) Schematic illustrations of lithium deposition and fixation process.…”
Section: Self-sacrificing Lithium Saltsmentioning
confidence: 99%
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“…Reproduced with permission. [111] Copyright 2022, American Chemical Society. c) Schematic illustrations of lithium deposition and fixation process.…”
Section: Self-sacrificing Lithium Saltsmentioning
confidence: 99%
“…Zheng et al prepared stable Li 2 O 2 -based pre-lithiated reagents (P-Li 2 O 2 ) utilizing electrospinning techniques, with poly(methyl methacrylate) (PMMA) serving as a protective matrix. [111] The presence of PMMA not only prevented the reaction of Li 2 O 2 with CO 2 and H 2 O but also facilitated dissolution in the electrolyte, exposing Li 2 O 2 for effective de-lithiation (Figure 11b). P-Li 2 O 2 could deliver an initial capacity of up to 1148 mAh g −1 (normalized to the Li 2 O 2 mass) and is stable for 8 h at 40% relative humidity.…”
Section: Self-sacrificing Lithium Saltsmentioning
confidence: 99%
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