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An eco-friendly hot-water therapy towards ternary layered double hydroxides laminated flexible fabrics for wearable supercapatteries
Nano Energy ( IF 16.8 ) Pub Date : 2020-06-21 , DOI: 10.1016/j.nanoen.2020.105016
S. Chandra Sekhar , Goli Nagaraju , Bhimanaboina Ramulu , Shaik Junied Arbaz , D. Narsimulu , Sk. Khaja Hussain , Jae Su Yu

In recent years, a substantial advancement in flexible and wearable consumer electronics has expedited the research community to develop flexible, lightweight, and sophisticated energy storage systems via cost-effective and safe preparation methods. In this context, we propose a state-of-the-art hot-water therapy (HWT) method to trigger nickel-copper-cobalt layered double hydroxide nanosheets on flexible conductive fabric (Ni–Cu–Co LDH NSs/CF). In the proposed HWT method, de-ionized water plays a significant role in generating NSs from CF in a manner similar to germination of plants in a farmland. Exploiting the morphological and inherent traits of the active material, the Ni–Cu–Co LDH NSs/CF electrode delivered maximum areal capacity of 104.2 μAh cm−2 with an outstanding cycling stability of 124.5%. Furthermore, a supercapattery that fabricated with Ni–Cu–Co LDH NSs/CF and activated carbon delivered high areal capacitance of 232 mF cm−2 at 2 mA cm−2. Additionally, the device exhibited maximum areal energy and power densities of 0.0734 mWh cm−2 and 15 mW cm−2, respectively. A prototype flexible charge-storage station has been also designed using the fabricated supercapatteries in conjunction with a flexible solar cell panel to demonstrate the real-time feasibility of our flexible device. The prolific and state-of-the-art HWT approach can initiate substantial advancements in the rational design of eco-friendly electrode materials for wearable applications.



中文翻译:

用于可穿戴超级电池的三元双层双氢氧化物层压柔性织物的环保热水疗法

近年来,柔性和可穿戴消费电子产品的显着进步促使研究界通过具有成本效益和安全的制备方法来开发柔性,轻便和复杂的能量存储系统。在这种情况下,我们提出了一种最新的热水疗法(HWT)方法,以触发柔性导电织物(Ni-Cu-Co LDH NSs / CF)上的镍-铜-钴层状双氢氧化物纳米片。在提出的HWT方法中,去离子水在以CF产生NS的过程中起着重要作用,其方式类似于农田中植物的发芽。利用活性材料的形态和固有特性,Ni-Cu-Co LDH NSs / CF电极提供的最大面积容量为104.2μAhcm -2具有124.5%的出色循环稳定性。此外,使用Ni-Cu-Co LDH NSs / CF和活性炭制造的超级电池 在2 mA cm -2时可提供232 mF cm -2的高面积电容。另外,该器件表现出的最大面能量和功率密度分别为0.0734 mWh cm -2和15 mW cm -2。还设计了一个原型柔性电荷存储站,将制造的超级电容器与柔性太阳能电池板结合使用,以展示我们的柔性设备的实时可行性。多产且先进的HWT方法可以在可穿戴应用的环保电极材料的合理设计方面引发重大进步。

更新日期:2020-07-08
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