Jiaqiang Huang

Jiaqiang Huang
The Hong Kong University of Science and Technology (Guangzhou) · Sustainable Energy and Environment

PhD in Mechanical Engineering

About

51
Publications
11,250
Reads
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2,463
Citations
Citations since 2016
39 Research Items
2383 Citations
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500

Publications

Publications (51)
Article
Sodium-ion batteries (NIBs) are regaining their importance in recent years as a sustainable complementary energy storage device for Li-ion batteries. Although, they cannot compete in terms of energy density with respect to Li-ion, they present a few advantages, namely the 0 V stability that makes them safe during external short and/or over-discharg...
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Full-text available
Improvements to battery performance, reliability and lifetime are essential to meet the expansive demands for energy storage. As part of this, continuous monitoring of the dynamic chemistry inside cells offers an exciting path to minimizing parasitic reactions and maximizing sustainability. Building upon recent fibre-optic/battery innovations, we r...
Article
The battery is an indispensable puzzle in the current roadmap towards a carbon-neutral world. With the soaring production, the battery itself is unexpectedly becoming a sustainability problem for society. Increasing attention is thus placed on the life cycle of batteries entailing the second life and recycling of batteries, relying on the monitorin...
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Full-text available
The convergence of fiber optic sensing with lithium-ion batteries holds great promise for observing key cell parameters in real time, which is essential to every level of decision making, from design and engineering to finance and management. Optical sensors based on fiber Bragg gratings have recently been demonstrated as an ideal tool for measurin...
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Full-text available
Calcium‐ion batteries (CIBs) have been considered promising multivalent ion battery systems due to the natural abundance and low redox potential of calcium. The practical realization is largely hampered by the lack of reliable electrode materials. Selenium is first explored as a new conversion‐type electrode for both non‐aqueous and aqueous CIBs. T...
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Recent economic and productivity gains of rechargeable batteries have cemented their dominance in energy-intensive societies. With demand soaring, enhancing battery performance through continuous monitoring is essential to limiting their environmental footprint. Although some benefits of sensing have been known for a century, the convergence of fib...
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Full-text available
The study of chemo-mechanical stress taking place in the electrodes of a battery during cycling is of paramount importance to extend the lifetime of the device. This aspect is particularly relevant for all-solid-state batteries where the stress can be transmitted across the device due to the stiff nature of the solid electrolyte. However, stress mo...
Article
Operando tracking the chemical dynamics/states of a battery and its components is critical to their second life for boosting their sustainability. Herein, we demonstrate the feasibility and diversity of the tilted fiber Bragg grating (TFBG) optical fiber sensors to operando access the chemistry and states of electrolytes. We show how a single TFBG...
Article
Interphases, solid‐electrolyte interphase (SEI), and cathode‐electrolyte interphase (CEI) are the key influencers in determining battery life and performance. Especially, for technologies such as sodium‐ion batteries that are in the development stage, it is crucial to tune the interphase chemistry without which it suffers at present from poor perfo...
Article
As society bridges towards a sustainable and electrified future where batteries are the keystone, the challenge of improving their lifetime and reliability is of critical importance. Reaching such a target requires innovation in easily monitoring in-live physical and chemical parameters with spatial and temporal resolution. We previously injected m...
Article
Creating a certain degree of porosity is a widely adopted strategy in maintaining the cyclic stability of alloy anodes in Li-ion batteries (LIBs). The free space provided by the nanopores enables to partly alleviate the large strains during lithiation for increasing structural integrity. Instead of fabricating a nanostructured electrode with pre-de...
Article
The recent revival of the research on Na, K ion batteries have twofold benefits. It not only provides alternative energy storage technologies to Li ion batteries with potential advantages on the cost but also enhances our understanding of charge storage through systematic studies on alkali-metal ion batteries with increasing insertion ion sizes. Us...
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Full-text available
Monitoring the dynamic chemical and thermal state of a cell during operation is crucial to making meaningful advancements in battery technology as safety and reliability cannot be compromised. Here we demonstrate the feasibility of incorporating optical fibre Bragg grating sensors into commercial 18650 cells. By adjusting fibre morphologies, wavele...
Article
Recent studies have revealed the critical role played by the electrolyte composition on the oxygen evolution reaction (OER) kinetics on the surface of highly active catalysts. While numerous works were devoted to understand the effect of the electrolyte composition on the physical properties of catalysts’ surface, very little is known yet about its...
Article
Transitional metal dichalcogenides represent one important type of anodes for emerging K-ion batteries. K ions are stored through both intercalation and conversion reactions, but the detailed phase transition is not clear. It is believed that deep potassiation would trigger the conversion reaction, which induces the fracture of particles and lead t...
Article
Li-ion capacitors (LICs) are emerged as complementary energy storage devices to Li-ion batteries to satisfy some specific application where high power density and long cycle life are required. The wide usage of LICs necessitates a promising energy density, which is the main challenge at this stage. In this work, we increase the energy density of LI...
Article
There has been increasing evidence that ether-based electrolytes offer more stable anode performance in sodium ion batteries, even for microsized alloy electrodes which suffer huge volume change upon charge/discharge cycling. It is speculated that ether-based electrolytes may give rise to more robust solid electrolyte interphases (SEIs), but the de...
Article
An optimized graphene/RuO 2 /S composite is prepared by hydrothermal growth of RuO 2 particles on graphene oxide sheets as the positive electrode for rechargeable lithium-sulfur batteries. The electrode with 6.1 wt% RuO 2 nanocrystals and a high sulfur content of 79.0 wt% delivers an optimal electrochemical performance with high residual capacities...
Article
Alkali-metal ions storage in carbon materials is of great interests for developing high-performance anodes for batteries. While Li, Na ions storage has been extensively investigated, systematic studies on the correlation between K ions storage and carbon microstructure have rarely been conducted. The large radius of K ions leaves a legitimate quest...
Article
Potassium-ion batteries have emerged as promising candidates for low-cost and sustainable energy storage systems. The development of potassium-ion batteries is relatively slow due to the large size of potassium ions, rendering great difficulty in designing appropriate host materials. Herein, a K3V2(PO4)2F3 cathode is inherited from Na3V2(PO4)2F3 an...
Article
Potassium‐ion batteries (KIBs) are important alternatives to lithium‐ and sodium‐ion batteries. Herein, microsized a Bi electrode delivers exceptional potassium storage capacity, stability, and rate capability by the formation of an elastic and adhesive oligomer‐containing solid electrolyte interface with the assistance of diglyme electrolytes. The...
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Full-text available
One of the main challenges in commercializing electrolyzer is to develop cheap and highly active electrocatalysts toward hydrogen evolution reaction (HER). Although low Pt loadings in PEM electrolyzers have been demonstrated, it's still worthwhile to remove the Pt in the long term. Herein, porous N-doped carbon nanofibers containing encapsulated Co...
Article
This paper reports the rational assembly of novel hollow porous carbon nanospheres (HPCNSs) as the hosts of phosphorous (P) active materials for high-performance sodium-ion batteries (SIBs). The vaporization-condensation process is employed to synthesize P/C composites, which is elucidated by both theories and experiments to achieve optimized desig...
Article
The thermally induced oxygen vacancies present across the intra/inter-crystalline sites and surface of ultrafine CoMn2O4 (CMO) electrodes ameliorate electrochemical performance of Li-O2 batteries (LOBs). Oxygen deficient CMOs are synthesized via a two-step process: in situ reduction to achieve a large surface area of 151.3 m² g⁻¹ and thermal treatm...
Article
Lithium-oxygen batteries (LOBs) have attracted much attention because of their extraordinarily high specific energies. They possess critical weaknesses, however, such as poor cyclic stability, low energy efficiencies, as well as serious safety issues arising from the formation of lithium dendrites. Here, we report the synthesis of a long-life Li io...
Article
SnO2 has been extensively explored as a potential anode material for both Li-ion (LIBs) and Na-ion batteries (SIBs). It possesses however an extremely poor electrical conductivity, making it difficult to be used as the standalone electrode. Herein, Sb-doped SnO2 (ATO) nanoparticles are in situ grown on N-doped graphene-CNT aerogels (N-GCAs) based o...
Article
Two-dimensional (2D) porous RuO2 nanosheets are synthesized using graphene oxide as the template, on which numerous holes of a few nanometers in diameter are simultaneously created. The holey RuO2 nanosheets are rationally assembled with carbon nanotube (CNT) interlayers to form a hybrid with highly enhanced mass/electron transport through the cond...
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Full-text available
A major challenge of state-of-the-art supercapacitors as promising energy storage devices lies in their relatively low capacitances and low specific energies. Herein, we report a strategic assembly of two excellent pseudocapacitive materials. Heterogeneous NiCo2O4-MnO2 arrays consisting of a mesoporous NiCo2O4 nanowire core and a cross-linked MnO2...
Article
Carbon-coated van der Waals stacked Sb2S3 nanorods (SSNR/C) are synthesized by facile hydrothermal growth as anodes for sodium ion batteries (SIBs). The sodiation kinetics and phase evolution behavior of the SSNR/C anode during the first and subsequent cycles are unraveled by coupling in situ transmission electron microscopy analysis with first-pri...
Article
It is generally understood that particle-shaped Li2O2 is preferred in Li-O2 batteries (LOBs) because the dominance of Li2O2 films may lead to poor electrochemical performance. The influence of Li2O2 morphology and its nucleation mechanism are probed by experiments along with the first-principle calculations. It is revealed that the LOBs with Li2O2...
Article
The specific capacities of SnO2 anodes in sodium ion batteries (SIBs) are far below the values expected from theory. Herein, we propose that the kinetically-controlled, reversible 'conversion reaction' between Na ions and SnO2 is responsible for Na ion storage in SnO2 anodes where the ion diffusion rate is the limiting factor. This revelation is co...
Article
Carbon coated Si (Si/C) composites with a high Si content of 81 wt.% are synthesized by one-pot carbonization of the mixture containing commercial Si particles and polyvinylidene fluoride (PVDF) at an optimized temperature. The Si/C electrodes deliver a high cyclic capacity of 2003 mAh g−1 at 0.5 A g−1 after 50 cycles and an enhanced rate capabilit...
Article
Scalable synthesis of electrode materials with long cyclic life, high energy and power densities is a prerequisite for next-generation Li ion batteries. Freestanding composite films are prepared by one-pot electrospinning, in which ultrafine Fe3O4 nanoparticles are uniformly dispersed in a continuous carbon nanofiber (CNF) matrix. The Fe3O4/CNF ele...
Article
Cobalt carbonate hydroxide/graphene aerogel and cobalt carbonate/graphene aerogel (CCH/GA and CC/GA) composites are synthesized as supercapacitor electrodes via a one-pot hydrothermal method. Optimized processing conditions are established by controlling the composite composition and microstructure, and their influence on the capacitance performanc...
Article
Core–shell-structured, ultrafine SnOx/carbon nanofiber (CNF)/carbon nanotube composite films are in situ synthesized by electrospinning through a dual nozzle. The carbon shell layer functions as a buffer to prevent the separation of SnOx particles from the CNF core, allowing full utilization of high-capacity SnOx in both Li-ion and Na-ion batteries...
Article
A facile electrospinning method with subsequent heat treatments is employed to prepare carbon nanofibers (CNFs) containing uniformly-dispersed Co3O4 nanoparticles as electrodes for supercapacitors. The Co3O4/CNF electrodes with about 68 wt.% active particles deliver a remarkable capacitance of 586 F g-1 at a current density of 1 A g-1. When the cur...
Article
Nanocomposite consisting of ultrafine, cobalt carbonate nanoneedles and 3D porous graphene aerogel (CoCO3/GA) are in situ synthesized based on a one-step hydrothermal route followed by freeze drying. A further heat treatment produces cobalt oxide nanoparticles embedded in the conductive GA matrix (Co3O4/GA). Both the composite anodes deliver excell...
Article
Facile and scalable electrospinning method is employed to fabricate in-situ N-doped, porous graphitic carbon nanofibers (CNFs) containing Si nanoparticles surrounded by nanocavities as durable high-rate Li-ion anodes. Nanocavities are created within the graphitic carbon spheres by electroless etching of the Si nanoparticles, which function not only...
Article
This paper reports a facile route to synthesize porous carbon nanofibers containing cobalt and cobalt oxide nanoparticles (CoOx/PCNF) as anodes for Li-ion batteries. The Co3O4/PCNF electrode delivers a remarkable capacity of 952 mAh g-1 after 100 cycles and equally excellent rate performance at high current densities. There are several ameliorating...
Article
Freestanding, porous carbon nanofiber (CNF) composites containing Si nanoparticles and graphene-covered Ni particles are synthesized via one-pot electrospinning and thermal treatment. The electrodes made from the Si/Ni/CNF composites deliver a remarkable specific capacity of 1045 mA h g−1 at the 50th cycle at a current density of 100 mA g−1 and an...

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