Review on Application of Hybrid Energy Storage Based on Ultracapacitor

Zhou

ACS Appl. Electron. Mater.

et al. 2020

Ferroelectric and antiferroelectric materials are promising options for energy-related (such as energy harvesting, energy storage, IR detection, and refrigeration) and memory applications (such as ferroelectric random-access memory (FeRAM) and ferroelectric field-effect transistor (FeFET)). In the past, several classes of materials (such as polymers, ceramics, single crystals, and glasses) have been studied for these properties. However, because of a large deposition thickness (in micrometers or larger), these materials are inappropriate for future nanoscale devices. Recently, the ferroelectric and antiferroelectric HfO2-based thin films have also been studied for the energy-related and memory applications. HfO2-based materials have many advantages over the conventional materials, such as compatibility with Si-based semiconductor technology, ultrasmall thicknesses (nm), and simple compositions, and they are appropriate for integration within 3-D nanostructures. HfO2-based materials can be promising for energy-related applications, such as energy storage, pyroelectric energy harvesting, IR sensors, and solid-state cooling. This article provides some basic knowledge of these energy-related properties. Moreover, this article reviews the energy-related properties of HfO2-based thin films, their origins, and the prospects of this research field.

Section: Energy-storage Properties Of Hfo2-based Thin Filmsmentioning

confidence: 99%

Section: Energy-storage Properties Of Hfo2-based Thin Filmsmentioning

confidence: 99%

Recent Progress on Energy-Related Applications of HfO₂-Based Ferroelectric and Antiferroelectric Materials

Zhou

ACS Appl. Electron. Mater.

et al. 2020

“…With the increase of power requirement in modern societies, the energy storage systems are becoming crucial for energy conversion including electrochemical capacitors, Li-ion batteries, fuel DOI: 10.1002/advs.202300792 cells, and electrostatic capacitors. [1][2][3][4] Among various energy storage systems, electrostatic solid state supercapacitors of polarizable materials have received increasing interest due to their advantages of high energy density with larger power density, and are quite promising for rapid-chargedischarge applications. [5,6] Antiferroelectric dielectrics are ideal selections based on their high maximum polarization (P m ) and low residual polarization (P r ).…”

Section: Introductionmentioning

confidence: 99%

Ultrahigh Energy Storage Density in Superparaelectric‐Like Hf_0.2Zr_0.8O₂ Electrostatic Supercapacitors

et al. 2023

Electrostatic capacitors attract great interest in energy storage fields due to their advantages of high power‐density, fast charge/discharge speed, and great reliability. Intensive efforts have been placed on the development of high‐energy‐density of capacitors. Herein, a novel supercapacitor with Hf0.2Zr0.8O2/xAl2O3/Hf0.2Zr0.8O2 (HAHx) is designed to improve the breakdown strength (Eb) through optimizing Al2O3 (AO) film thickness. Low‐temperature annealing is first proposed to enhance the polarization difference (Pm−Pr) due to the formation of dispersed polar nanoregions, which is called “superparaelectric‐like” similar to previous super‐paraelectric behavior of perovskite structures. As results, both large Eb and Pm−Pr values are obtained, leading to an ultrahigh energy storage density of 87.66 J cm−3 with a high efficiency of 68.6%, as well as a reliable endurance of 107 cycles. This work provides a feasible pathway to improve both the polarization difference and breakdown strength of HfO2‐based films by the combination of insulation insertion layer and low‐temperature annealing. The proposed strategy can contribute to the realization of high‐performance electrostatic supercapacitors with excellent microsystem compatibility.

“…The direct battery-supercapacitor combination for the engine cranking in automotive engines resulted in the increased total number of cranking by the battery [11] and it is also reported that a 15-litre diesel-engine was attempted to start with open circuit voltage of around 11 V with 40% SOC of the battery but could not start the engine, but 64 KJ electrochemical capacitor when charged at 11 V from the same battery system, it started the engine four times at 0 o C [12]. In power system also, the supercapacitors play crucial role for power quality, capacity enhancement of the micro-grid, and motor starting to reduce cost of starting devices [13], [14]. Even, in the case of large induction motors, starting and fluctuating loads causes serious effect of instability on the diesel-generator operation due to wide frequency variations [15].…”

Section: Introductionmentioning

confidence: 99%

Supercapacitor based cost effective hybrid energy storage system with reduction in battery size for diesel generator cold cranking

Moholkar

Bankar

Karandikar³

2023

IJEECS

The supercapacitor characteristic of high-power delivery coupled with very fast charge/discharge cycles find its use in hybrid energy storage systems. In this paper, the supercapacitor bank is integrated with small capacity lead-acid battery for the development of cost-effective hybrid energy storage system to crank vintage model of diesel-generator. The developed system uses microcontroller-based controls with active voltage balancing circuit with reliable cranking, enhanced battery life and reduced failures at low temperatures are the advantages of the developed system. The developed system resulted in battery size reduction by almost 80%, and thus, reduction in its replacement cost, besides devising a general formula for the sizing of supercapacitor bank for different diesel generators is an innovative outcome of the research study. The multiple cold cranking in a single charge of supercapacitor bank is another novelty, with the charging of supercapacitor bank from the available automobile battery is the added feature in the developed hybrid energy storage system. The developed system paves the ways for the reduced maintenance.