Rui Ding

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Verified

Rui verified their affiliation via an institutional email.

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• Doctor of Engineering
• PostDoc Position at University of Chicago

To meet the growing demand for accurate, rapid, and cost-effective at-home clinical testing, we developed a radical-mediated enzyme assay (REEA) integrated with a paper fluidic system and electrically read by a handheld field-effect transistor (FET) device. The REEA utilizes horseradish peroxidase (HRP) to catalyze the conversion of aromatic substr...

This review explores machine learning's impact on designing electrocatalysts for hydrogen energy, detailing how it transcends traditional methods by utilizing experimental and computational data to enhance electrocatalyst efficiency and discovery.

Developing advanced catalysts for acidic oxygen evolution reaction (OER) is crucial for sustainable hydrogen production. This study introduces a novel, multi-stage machine learning (ML) approach to streamline the discovery and optimization of complex multi-metallic catalysts. Our method integrates data mining, active learning, and domain adaptation...

Platinum‐based alloy nanoparticles are the most attractive catalysts for the oxygen reduction reaction at present, but an in‐depth understanding of the relationship between their short‐range structural information and catalytic performance is still lacking. Herein, we present a synthetic strategy that uses transition‐metal oxide‐assisted thermal di...

A new insight to interpret the PEM degradation process in both electrodes of a PEMWE.

The evolution and formation process of two‐dimensional metal‐organic frameworks (MOFs) primarily arise from the anisotropic growth of crystals, leading to variations in photocatalytic performance. It is crucial to achieve a synergistic combination of anisotropic electron transfer direction and dimension reduction strategies. In this study, a novel...

For game changing for future of large-scale energy storage technologies, sodium-ion and potassium-ion batteries provide a substitute to lithium-ion batteries. As an excellent candidate anode, MXene still suffers from the blockage of active sites caused by restacking of sheets. Herein, an in-situ decoration of MXene nanosheets with nitrogen-doped ca...

The vigorous development of efficient platinum group metal‐free catalysts is considerably important to facilitate the universal application of proton exchange membrane fuel cells. Although nitrogen‐coordinated atomic iron intercalated in carbon matrix (Fe–N–C) catalysts exhibit promising catalytic activity, the performance in fuel cells, especially...

Proton exchange membrane water electrolyzers (PEMWEs) have great potential as energy conversion devices for storing renewable electricity into hydrogen energy. However, their cost and efficiency are still unable to support large-scale commercialization. In PEMWEs, multiple processes at different scales are simultaneously involved: electrochemical r...

Hydrogen has the potential to be one of the solutions that can address environmental pollution and greenhouse emissions from traditional fossil fuels. However, high costs hinder its large-scale commercialization, particularly for enabling devices such as proton exchange membrane fuel cells (PEMFCs). The precious metal Pt is indispensable in boostin...

The development of excellent activity and durability catalysts for the oxygen reduction reaction (ORR) is essential for the commercialization of proton exchange membrane fuel cells (PEMFCs). Reducing the size of catalyst particles can provide more reaction sites to mitigate the performance degradation caused by reduced platinum loading. However, at...

The development of inexpensive metal-nitrogen-carbon (M-N-C) catalysts for electrochemical CO2 reduction reaction (CO2RR) on an industrial scale has come to a standstill. Although the number of related studies and reviews has grown fast, the complexity of the M-N-C composite has limited researchers to focus on only a few variables and carry out slu...

The role of coordination solvent in MOFs with photocatalysis can’t be ignored. Novel [Ni(PTCA)·sol]-MOFs with 3D open wavy-layered structure are selected for in-depth study by imitating internal environment of chameleon....

Potassium ion batteries are promisingly proposed for the large cale energy storage. However, potassium with large ion radius causes severe volumetric expansion of anodes during charging, which deteriorates the rate and the cycling performances of batteries. Herein, a honeycomb-like graphene monolith with rich micropores is prepared. The monolith is...

The carbon material is considered as the promising anode for potassium ion battery owing to the merits of wide source and structural robustness. However, the limited capacity and the slow kinetics limit the development of carbon materials. Herein, the porous nitrogen-and-phosphorus co-doped carbon material are prepared using the O2-NH3 reactive pyr...

Proton exchange membrane fuel cells (PEMFCs) as energy conversion devices for hydrogen energy are crucial for achieving an eco-friendly society, but their cost and performance are still not satisfactory for large-scale commercialization. Multiple physical and chemical coupling processes occur simultaneously at different scales in PEMFCs. Hence, pre...

PEMFCs In article number 2103144, Jia Li, Jianguo Liu and co‐workers demonstrate the underlying mechanism of cobalt doping on the unprecedented activity and durability of sub‐2 nm Pt nanoclusters. With extremely efficient utilization of Pt and superior performance in low‐Pt loading proton exchange membrane fuel cells (PEMFCs), the electrocatalysts...

The infeasible cost of PEMFCs can be effectively lowered by replacing Pt-based catalysts with PGM-free catalysts. Although promising advancements have been achieved recently, the practical availability of PGM-free catalysts in PEMFCs remains apprehensive, typically, owing to their low output power density. Herein, a huge breakthrough has been made...

Nitrogen gas crossover (NGC) and nitrogen accumulation at the anode of proton exchange membrane (PEM) fuel cells are ineluctable and it would lead to inferior performance and even irreversible damage to functional components. To mitigate this issue, multiphysics numerical models (MNMs) are established to describe NGC behaviors and further guide exp...

Proton exchange membrane fuel cells (PEMFCs) suffer severe performance loss in the high current density (HCD) region as Pt‐loading decreases. A smaller electrocatalyst size inducing a higher electrochemically active surface area (ECSA) is critical for solving this issue. However, the poor electrocatalytic activity and stability of sub‐2 nm nanoclus...

Hydrogen produced using renewable electricity is considered the key to achieving a low‐carbon energy economy. However, the large‐scale application of electrochemical water splitting for hydrogen evolution currently requires expensive platinum‐based catalysts. Therefore, it is important to develop efficient and stable catalysts based on the rich res...

Single-atom catalysts (SACs) can achieve ultimate atomic utilization of precious metals to improve water splitting’s economy. However, active sites in SACs are usually insufficient. Therefore, we propose the use of porous Co1NC which is rich in defects as support to prepare Pt1/Co1NC by mild electrochemical reduction at room temperature. Pt1/Co1NC...

Chemically durable proton exchange membranes containing free radical scavengers have technically matured in recent years, and commercial products have come into the market. The most general type of free radical scavenger is ceria, which has been proven in many studies. However, the migration of cerium is inevitable in raw ceria particles, and the m...

The utilization of environmentally friendly hydrogen energy requires proton exchange membrane fuel cell devices that offer high power output while remaining affordable. However, the current optimization of their key component, i.e., the membrane electrode assembly, is still based on intuition-guided, inefficient trial-and-error cycles due to its co...

The need to reduce the cost of proton exchange membranes (PEMs) leads to less usage of perfluorinated sulfonic acid (PFSA), which would definitely result in a decline in the membrane lifespan under the attack of free radicals. In this study, polytetrafluoroethylene (PTFE) is used as a reinforced material to make a thinner composite membrane due to...

Materials defects are very important for enhancing the catalytic functions and applications. However, the surface defects of materials are usually diverse, and their catalytic activity is generally measured at the averaging level. How to directly measure/observe the catalytic activity of the single defective site is extremely important for the rati...

Recent researches have proven that incorporation of machine learning could significantly shorten development cycle of energy materials. However, this rising multidisciplinary field still needs a standard research paradigm instructing how potentialities of algorithms could be exploited comprehensively to optimize performance. Hence, we set up a stan...

Traditionally, a larger number of experiments are needed to optimize the performance of the membrane electrode assembly (MEA) in proton‐exchange membrane fuel cells (PEMFCs) since it involves complex electrochemical, thermodynamic, and hydrodynamic processes. Herein, we introduce artificial intelligence (AI)‐aided models for the first time to deter...

AI‐aided models were trained to assist the development of nonprecious metal electrocatalysts designed for proton‐exchange membrane fuel cells. Among the tested algorithms, XGBoost analyzed the 26 features involved and found that operating conditions are more important than chemical properties. ANN showed a strong ability to predict the maximum powe...

Single-atom catalysts (SACs) have become one of the most considered research directions today, owing to their maximum atom utilization and simple structures, to investigate structure-activity relationships. In the field of non-precious-metal electrocatalysts, atomically dispersed Fe-N4 active sites have been proven to possess the best oxygen reduct...

Non-precious metal electrocatalysts (NPMEs) have been recognized as highly promising oxygen electroreduction catalysts, but improving their activity and stability in acidic electrolyte remains critical. Here, we integrated self-assembly technology induced by rotary evaporation with the hard template method to synthesize Fe-N-codoped NPMEs with larg...