Machine learning-based screening of two-dimensional perovskite organic spacers

Mai, Yongxiang; Tang, Jianyao; Meng, Haogang; Li, Xiaohui; Liu, Meiyue; Chen, Zeng; Zhang, Putao; Li, Shengjun

doi:10.1007/s42114-024-00910-w

Adv Compos Hybrid Mater

2024

DOI: 10.1007/s42114-024-00910-w

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Machine learning-based screening of two-dimensional perovskite organic spacers

Yongxiang Mai,

Jianyao Tang,

Haogang Meng

et al.

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Cited by 2 publications

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Advanced Electrode Materials for Low‐Temperature Na Storage

Zhu,

Xu,

Yang

et al. 2024

Adv Funct Materials

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Sodium‐ion batteries have drawn worldwide attention as ideal candidates for the upcoming generation of large‐scale electrical energy storage devices due to the low cost and abundance of sodium. Due to its unique electrochemical and chemical properties, sodium‐ion batteries hold the promise of breaking geographical and environmental constraints, achieving efficient sodium storage under low‐temperature conditions. However, low‐temperature sodium‐ion batteries, especially for their electrode materials, still face numerous challenges, such as the sluggish electrochemical reaction kinetics, poor material stability, significant volume changes leading to the pulverization of materials and the rapid degradation of battery performance. Here, it is focused on the modification methods for electrode materials, the research progress on cathode and anode materials of low‐temperature sodium‐ion batteries is summarized systematically and the other components of the electrodes are discussed briefly, and the shortcomings of the current research and possible future research directions are discussed thoroughly.

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Advanced Electrode Materials for Low‐Temperature Na Storage

Zhu,

Xu,

Yang

et al. 2024

Adv Funct Materials

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Energy harvesting and human motion sensing of a 2D piezoelectric hybrid organic–inorganic perovskite

Ji,

Zhao,

Yang

et al. 2024

APL Materials

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Two-dimensional (2D) hybrid organic–inorganic perovskites (HOIPs) have garnered plentiful attention as a result of their exceptional structural flexibility and multiple applications. In this study, we present a 2D HOIP (CHA)2PbBr4 (CHA = cyclohexylamine), for its potential applications in piezoelectricity, such as strain energy sensing and harvesting. Flexible composite films of (CHA)2PbBr4/PDMS (PDMS = polydimethylsiloxane) with a sequence of weight ratios (0, 5, 10, 15, 20 wt %) of (CHA)2PbBr4 were fabricated to analyze the energy harvesting properties. Experimental results demonstrated that a device with 15% composition exhibited the most optimized performance in energy harvesting, producing a peak magnitude of output voltage of 11.6 V, a short-circuit current of 0.38 µA, and a power density of 6.77 µW/cm2, along with notable stability exceeding 4000 cycles. Furthermore, this device exhibited high sensitivity in monitoring many varieties of human movements, such as finger bending and tapping, elbow bending, and gentle foot stamping. The findings of this study indicate that this 2D HOIP holds significant potential for use in flexible sensing and intelligent wearable devices.

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Machine learning-based screening of two-dimensional perovskite organic spacers

Cited by 2 publications

References 57 publications

Advanced Electrode Materials for Low‐Temperature Na Storage

Advanced Electrode Materials for Low‐Temperature Na Storage

Energy harvesting and human motion sensing of a 2D piezoelectric hybrid organic–inorganic perovskite

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