High-Rate Lithium-Ion Capacitor Diode Towards Multifrequency Ion/Electron-Coupling Logic Operations

IF 16.1 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Dr. Hongyun Ma, Dr. Kai Sun, Yunong Cai, Fengfeng Li, Lingxiao Ma, Yifeng Qi, Dr. Hongwei Sheng, Dr. Liang Wu, Dr. Kai Wang, Prof. Jun Wang, Dr. Yujun Fu, Prof. Yang Chai, Prof. Wei Lan
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Abstract

Ion/electron-coupling logic operation is recognized as the most promising approach to achieving in-depth brain-inspired computing, but the lack of high-performance ion/electron-coupling devices with high operating frequencies much restricts the fast development of this field. Accordingly, we herein report an orthorhombic niobium pentoxide (T-Nb2O5) based lithium-ion capacitor diode (CAPode) that possesses thoroughly improved performances to achieve multifrequency ion/electron-coupling logic operations. Specifically, benefiting from the unique crystal structure and fast ion-transport topology of T-Nb2O5, the constructed CAPode exhibits a high response frequency of up to 122 Hz, over three orders of magnitude higher than those of the state-of-the-art CAPodes. Meanwhile, the T-Nb2O5 based CAPode delivers a record-high rectification ratio of 108, a high specific capacity of 390 C g−1, a wide voltage window of −1.5–1.5 V, and a superior cycling stability over 2000 cycles. Combining these performance advantages, the T-Nb2O5 based CAPode is demonstrated to be fully competent in typical AND and OR logic gates over a wide frequency range of 1–100 Hz, validating great potential in the burgeoning field of multifrequency ion/electron-coupling logic operations.

Abstract Image

迈向多频离子/电子耦合逻辑运算的高速率锂离子电容二极管
离子/电子耦合逻辑运算被认为是实现深度脑启发计算的最有前途的方法,但缺乏高性能、高工作频率的离子/电子耦合器件在很大程度上限制了该领域的快速发展。因此,我们在此报告了一种基于正交五氧化二铌(T-Nb2O5)的锂离子电容器二极管(CAPode),该二极管具有彻底改进的性能,可以实现多频率离子/电子耦合逻辑运算。具体而言,得益于T-Nb2O5独特的晶体结构和快速离子输运拓扑结构,所构建的CAPode具有高达122 Hz的高响应频率,比目前最先进的CAPode高出三个数量级以上。同时,基于T-Nb2O5的CAPode具有创纪录的108的整流比,390℃g−1的高比容量,−1.5~1.5 V的宽电压窗,以及超过2000次循环的优异循环稳定性。结合这些性能优势,基于T-Nb2O5的CAPode在1~100 Hz的宽频率范围内完全胜任典型的AND和OR逻辑门,验证了在新兴的多频离子/电子耦合逻辑运算领域的巨大潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
26.60
自引率
6.60%
发文量
3549
审稿时长
1.5 months
期刊介绍: Angewandte Chemie, a journal of the German Chemical Society (GDCh), maintains a leading position among scholarly journals in general chemistry with an impressive Impact Factor of 16.6 (2022 Journal Citation Reports, Clarivate, 2023). Published weekly in a reader-friendly format, it features new articles almost every day. Established in 1887, Angewandte Chemie is a prominent chemistry journal, offering a dynamic blend of Review-type articles, Highlights, Communications, and Research Articles on a weekly basis, making it unique in the field.
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