Superior electrochemical performance of alkali metal anodes enabled by milder Lewis acidity

Wang, Linlin; Zhu, Jiacheng; Li, Nan; Zhang, Zhe; Zhang, Shiwan; Chen, Yifan; Zhang, Jianwen; Yang, Yusi; Tan, Lulu; Niu, Xiaogang; Wang, Xuefeng; Ji, Xiao; Zhu, Yujie

doi:10.1039/d4ee00900b

Cited by 8 publications

(3 citation statements)

References 69 publications

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“…electrolytes. 46 As shown in Fig. 2c and e, the peaks for Li + -TEP and Na + -TEP are at distances of 1.75 Å and 2.25 Å from the cations, respectively.…”

Section: The Similarities and Differences Between Lmbs And Smbsmentioning

confidence: 80%

“…While high-entropy electrolytes achieve a freezing point close to that of the pure solvent by reducing Gibbs free energy, the definition of high-entropy electrolytes remains ambiguous and controversial. 46,149 Additionally, the factors determining the freezing point of pure solvents are still unclear, further complicating the issue. Despite these challenges, a fundamental understanding of the causes of electrolyte solidification offers a promising approach to address battery failure in low-temperature environments.…”

Section: Discussionmentioning

confidence: 99%

“…2a and b, before discussing the challenges and strategies for LMB/SMB eletrolytes at low temperatures, the similarities and differences between LMBs and SMBs were compared. Although the solvation structures in the electrolyte of both are composed of solvent molecules and anions, the larger ionic radius of Na + compared to Li + leads to a series of subtle difference, 46,47 which can be specifically manifested in two points: (1) in the solvation structure, the distance between Na + and solvent molecules or anions exceeds the distance between Li + and solvent molecules or anions. (2) The coordination number of Na + with solvent molecules and anions is higher compared to that of Li + .…”

Section: The Similarities and Differences Between Lmbs And Smbsmentioning

confidence: 99%

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A comprehensive review on liquid electrolyte design for low-temperature lithium/sodium metal batteries

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“…electrolytes. 46 As shown in Fig. 2c and e, the peaks for Li + -TEP and Na + -TEP are at distances of 1.75 Å and 2.25 Å from the cations, respectively.…”

Section: The Similarities and Differences Between Lmbs And Smbsmentioning

confidence: 80%

Section: Discussionmentioning

confidence: 99%

Section: The Similarities and Differences Between Lmbs And Smbsmentioning

confidence: 99%

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A comprehensive review on liquid electrolyte design for low-temperature lithium/sodium metal batteries

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Jin

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Prospects and Challenges of Practical Nonaqueous Potassium‐Ion Batteries

Wang,

Zhang,

et al. 2024

Adv Funct Materials

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Over the past decade, concerns over the sustainability of lithium‐ion batteries (LIBs) have arisen due to the scarcity of critical elements such as lithium (Li), nickel (Ni), and cobalt (Co), prompting the exploration of alternative and complementary electrochemical energy storage technologies. Due to the more abundant resources compared to contemporary LIBs and the potentially higher specific energy than the emerging sodium‐ion batteries (SIBs), potassium‐ion batteries (PIBs) have attracted intensive research interest as a promising alternative to existing technologies. Nevertheless, the development of practical PIBs remains in its infancy. In this perspective, the various electrode materials and electrolytes reported for PIBs from an application point of view and identifying the most promising ones with high practical interest are first concisely discussed. Then, the pack‐level specific energy, energy density, and cost analyses are presented for several PIBs chemistries, which are also compared with representative LIBs and SIBs to demonstrate the advantages of PIBs. After that, a succinct discussion is presented to evaluate the practicality of potassium metal batteries. Finally, the challenges associated with the commercialization of PIBs, providing future critical research fronts for the development of practical high‐performance PIBs are outlined.

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Comprehensive Insights into Aqueous Potassium‐Ion Batteries

Xia,

Zhou,

2024

Advanced Energy Materials

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Aqueous potassium‐ion batteries (AKIBs) with mild aqueous electrolytes can significantly mitigate the safety and environmental issues raised from traditional nonaqueous batteries, positioning them as promising candidates for grid‐scale applications. Nonetheless, the progression of AKIBs is currently impeded by the insufficient energy density, largely attributed to the limited voltage window of aqueous electrolytes. This review aims to introduce foundational knowledge about aqueous batteries, illustrates recent advancements in AKIBs, and offers valuable perspectives on designing electrode materials and optimizing electrolytes. To provide a systematic overview, the focus is on the following seven key sections: i) development history, ii) electrode materials, iii) electrolyte design, iv) current collectors, v) aqueous interphase chemistry, vi) full cell configurations, and vii) future prospects. Finally, constructive insights and suggestions are provided for the development of AKIBs with higher energy density.

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Superior electrochemical performance of alkali metal anodes enabled by milder Lewis acidity

Abstract: In the development of electrolytes for high-performance alkali metal batteries, significantly different electrochemical performance was often reported among lithium (Li), sodium (Na), and potassium (K) metals tested in the electrolytes...

Cited by 8 publications

References 69 publications

A comprehensive review on liquid electrolyte design for low-temperature lithium/sodium metal batteries

A comprehensive review on liquid electrolyte design for low-temperature lithium/sodium metal batteries

Prospects and Challenges of Practical Nonaqueous Potassium‐Ion Batteries

Comprehensive Insights into Aqueous Potassium‐Ion Batteries

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