基于氧化还原窗口控制的门控高可变伪电容器(G-CAPode)

IF 18.9 1区 材料科学 Q1 CHEMISTRY, PHYSICAL
Ahmed Bahrawy , Przemyslaw Galek , Christin Gellrich , Nick Niese , Julia Grothe , Stefan Kaskel
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引用次数: 0

摘要

离子电子架构通过多种离子或氧化还原过程模拟神经系统运行,能够以高能量效率与复杂离子和生物发射器一起运行。最近,超级电容器作为具有高开/关比率的新型离子电子开关器件出现了。我们提出了一种新型离子电子器件,通过引入额外的 "栅极 "电极,灵活控制可开关电化学电容器二极管(CAPode)的电流输出。该器件模仿场效应晶体管(FET)半导体控制电流输出,并能回收正向充电时消耗的能量,是一项重大突破。新近开发的单向 CAPode 系统(Ni3Bi2S2@Ni I 1 mol L-1 KOH I AC@Ni)可作为新型结构中的 "工作 "电容器(W-Cap)。所提出的 G-CAPode(栅极控制 CAPode)在 W-Cap 的 "栅极 "和反电极之间具有第三个电压控制连接。通过改变这第三个电压通道,W-Cap 电极的电位会向负或正电位窗口移动。因此,通过外部电压控制可以调整整流比和阻断效率,这对于完全控制逻辑门的输出信号至关重要。新电路可监测 "NOT "门的电流和电位分布:G-CAPode 系统在 -1.2 V 偏置下表现出类似晶体管的特性。这项研究凸显了 G-CAPode 系统在各种应用中的多功能性,在这些应用中,类似晶体管的行为和精确的电流调节非常有益,有望推动离子装置、传感器和储能系统的发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A gated highly variable pseudocapacitor based on redox-window control (G-CAPode)

A gated highly variable pseudocapacitor based on redox-window control (G-CAPode)

A gated highly variable pseudocapacitor based on redox-window control (G-CAPode)
Iontronic architectures operate via multiple ions or redox processes mimicking neural systems capable to operate with complex ions and biological transmitters with high energy efficiency. Recently, ultracapacitors have emerged as novel iontronic switchable devices with a high on/off ratio. We propose a novel iontronic device offering flexible control of the current output of a switchable electrochemical capacitor diode (CAPode) by introducing an additional “gate” electrode. This device mimics field-effect transistor (FET) semiconductors in controlling current output and recovers energy consumed during the forward charging, marking a significant breakthrough. A recently developed unidirectional CAPode system (Ni3Bi2S2@Ni I 1 mol L-1 KOH I AC@Ni) serves as the “working” capacitor (W-Cap) in the novel architecture. The proposed G-CAPode (gate-controlled CAPode) features a third voltage-controlled connection between the “gate” and the counter electrode of the W-Cap. By varying this third voltage channel the electrodes of W-Cap are shifted in potential toward negative or positive potential windows. Hence, by external voltage control the rectification ratios and blocking efficacy can be tuned which is essential for fully controlling the output signal in logic gates. A new circuit monitors the current and potential distribution of the NOT gate: The G-CAPode system exhibits transistor-like characteristics with a −1.2 V bias. This investigation highlights the versatility of the G-CAPode system across applications where transistor-like behavior and accurate current regulation are beneficial, promising advancements in ionologic devices, sensors, and energy storage systems.
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来源期刊
Energy Storage Materials
Energy Storage Materials Materials Science-General Materials Science
CiteScore
33.00
自引率
5.90%
发文量
652
审稿时长
27 days
期刊介绍: Energy Storage Materials is a global interdisciplinary journal dedicated to sharing scientific and technological advancements in materials and devices for advanced energy storage and related energy conversion, such as in metal-O2 batteries. The journal features comprehensive research articles, including full papers and short communications, as well as authoritative feature articles and reviews by leading experts in the field. Energy Storage Materials covers a wide range of topics, including the synthesis, fabrication, structure, properties, performance, and technological applications of energy storage materials. Additionally, the journal explores strategies, policies, and developments in the field of energy storage materials and devices for sustainable energy. Published papers are selected based on their scientific and technological significance, their ability to provide valuable new knowledge, and their relevance to the international research community.
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