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ZJ

Zongzi Jin

University of Science and Technology of China

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Wei Liu

ShanghaiTech University

Ranran Peng

CAS Key Laboratory of Urban Pollutant Conversion

Chengwei Wang

Nanjing Tech University

Zheng Gong

Anhui University

Chusheng Chen

University of Science and Technology of China

Kong Xiang

Nanjing University of Aeronautics and Astronautics

Wenyi Xiang

University of Science and Technology of China

Lina Miao

University of Science and Technology of China

Ranran Peng

University of Science and Technology of China

Huanlin Lv

Dalian Polytechnic University

Cooperative Institutions

University of Science and Technology of China

Chinese Academy of Sciences

Hefei University

Hefei National Center for Physical Sciences at Nanoscale

University of Chinese Academy of Sciences

Suzhou University of Science and Technology

Shanghai Jiao Tong University

Collaborative Innovation Center of Chemistry for Energy Materials

Huazhong University of Science and Technology

Anhui University of Technology

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Highly active oxygen electrodes for metal-supported solid oxide electrolysis cells

International Journal of Hydrogen Energy (2025)

Zhongxu Wang Zongzi Jin Xinyue Tong Jianhua Huang Yongcheng Tong

Clark electrode

High Temperature Electrolysis

10.1016/j.ijhydene.2025.02.073

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Conductive Porous Solid Framework Mechanically Stabilized Si Anode

RA Gu Shiji Shen Xinran Li Wenyi Xiang Kong Xiang

Abstract Micron‐sized Si anodes garner renewed attention due to their advantages of low cost, small specific surface area, and high energy density. However, micron‐sized Si anodes undergo significant volume changes during lithiation/delithiation, leading to particle cracking and pulverization. This study employs the tape casting method and ultrafast high‐temperature sintering technology to construct a porous sheet, within which a solid framework constrains the Si particles. In rate performance tests, when the current density rises to 1 A g −1 , the micron‐sized Si in the porous sheet demonstrates a delithiation capacity of 2145 mAh g −1 , compared to 113 mAh g −1 for the pristine Si, showing efficient ion and electron conductive pathways in the framework. When cycled at 0.3 A g −1 , the delithiation capacity of the ball‐milled micron‐sized Si in the porous sheet is 1496 mAh g −1 after 100 cycles, in contrast to 95 mAh g −1 for the pristine Si. The enhanced cycling stability of Si in the porous sheet results from the strong mechanical constraint imposed by the solid framework, which suppresses volume changes, inhibits particle cracking, and reduces solid electrolyte interphase growth. This strategy of constructing porous sheets and utilizing solid‐solid bonding to constrain Si particles represents a novel approach for Si anode modification.

Particle (ecology)

10.1002/smll.202408457

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A novel BaFe0.8Zn0.1Bi0.1O3−δ cathode for proton conducting solid oxide fuel cells

Ceramics International (2020)

Yunpeng Xia Xi Xu Yue Teng Huanlin Lv Zongzi Jin

Proton conductor

10.1016/j.ceramint.2020.07.015

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Citations (29)

Barium- and Strontium-Containing Anode Materials toward Ceria-Based Solid Oxide Fuel Cells with High Open Circuit Voltages

ACS Applied Energy Materials (2018)

Zheng Gong Wenping Sun Zongzi Jin Lina Miao Wei Liu

Developing ceria-based solid oxide fuel cells (SOFCs) with low cost, high power density, and, in particular, high working efficiency is of great significance to practical applications. In this work, Ba- and Sr-containing composites (Ni–Ba1–xSrxCe0.7Zr0.1Y0.2O3−δ) were for the first time proposed and evaluated as anodes for Ce0.8Sm0.2O1.9 (SDC)-based SOFCs. Both Ba and Sr diffusion occurs at elevated temperatures during fabricating anode-supported half-cells; correspondingly, a thin electron-blocking interlayer is formed in situ at the anode/electrolyte interface. The presence of Ba ensures the formation of a BaCeO3-based electron-blocking layer, which has a very high ion transport number and completely eliminates the internal short circuit current across the SDC electrolyte. Sr incorporation can substantially promote the sintering activity of the anode and electrolyte and, hence, reduces the sintering temperature of the half-cells to 1150 °C. The electrochemical performance of the SDC-based cells varies significantly with the anode composition. Ni–Ba0.9Sr0.1Ce0.7Zr0.1Y0.2O3−δ is demonstrated to be the optimal anode composition showing high open circuit voltages (1.038 V at 650 °C) and peak power densities (677 mW cm–2 at 650 °C). These results present substantial progress in developing leakage current-free ceria-based SOFCs and also provide new insight into designing new cathode materials/structures for efficient ceria-based solid oxide electrolyzer cells.

Open-circuit voltage

10.1021/acsaem.8b00825

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Citations (25)

Superheating of Confined Pb Thin Films

Physical Review Letters (2000)

L. Zhang Zongzi Jin LH Zhang Manling Sui K. Lu

In this work we report, for the first time, an experimental observation of a superheating phenomenon in metal thin films. By means of cold rolling, Pb thin films of about 20 nm thick were sandwiched by Al layers, and between them semicoherent epitaxial Pb/Al interfaces were formed. In situ x-ray diffraction analysis indicated that the confined Pb thin films could be superheated for at least 6 degrees C. Thermodynamic analysis indicated that such a substantial superheating in the confined two-dimensional thin films may originate from suppression of growth of the molten droplets by the epitaxial Al/Pb/Al confinement, instead of suppression of melt nucleation for the confined particle superheating.

Particle (ecology)

10.1103/physrevlett.85.1484

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Citations (127)

First principles study of effect of lattice misfit on the bonding strength of Ni/Ni₃Al interface

Journal of Materials Science (2004)

Ping Peng Zongzi Jin Rui Yang Z. Q. Hu

Lattice (music)

Structural Stability

10.1023/b:jmsc.0000031477.24789.93

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Citations (23)

Insights into Hydration Enthalpies of Mixed Proton–Electron Conductors

The Journal of Physical Chemistry C (2022)

Zongzi Jin Nai Shi Ranran Peng Zhenbin Wang Chengwei Wang

Developing mixed proton–electron conductors (MPECs) is essential to accelerate the sluggish air electrode reaction kinetics of protonic ceramic electrochemical cells, for their unique conduction behaviors can amazingly extend the active reaction zone to the whole electrode surface. Hydration enthalpy plays a key role in determining the conduction behaviors of MPECs, but its underlying factors and modulation mechanisms are still unclear. In this work, an efficient and reliable strategy to theoretically predict the hydration enthalpies of MPECs is first proposed, and then, affecting factors of hydration enthalpies are investigated based on the calculation results on M-doped BaFeO3−δ and Ba0.5Sr0.5FeO3−δ series (M = Zr4+, Sn4+, Ti4+, and Nb5+). Remarkably, the volume per atom (VPA) is found as the decisive factor of hydration enthalpies. This finding prompts new thinking about the rational design of novel MPECs.

10.1021/acs.jpcc.2c03434

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Formation of charge-transfer-complex in organic:metal oxides systems

Applied Physics Letters (2013)

S. P. Wu Yumao Kang T. L. Liu Zongzi Jin Ningxin Jiang

It is found that composite systems consisting of 4,4′-bis(carbazol-9-yl)biphenyl (CBP) and molybdenum trioxide (MoO3) form an IR absorption band around 847 nm. It is also found that the vibrational modes of the CBP, as measured by Fourier Transform Infrared Spectroscopy, are quenched upon the formation of charge-transfer-complex (CTC) between CBP and MoO3. By examining several sets of organic:metal oxides systems, we discovered that the IR absorption band of the CTCs follow two distinct mechanisms depending on the nature and location of the HOMOs in the organic molecules.

Molybdenum trioxide

Charge-transfer complex

Biphenyl

10.1063/1.4802923

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Citations (17)

Melting, superheating and freezing behaviour of indium interpreted using a nucleation-and-growth model

Journal of Physics Condensed Matter (2001)

Jiahao Zhong Zongzi Jin K. Lu

The traditional phenomenological asymmetry between melting and freezing has been studied by varying the crystal nucleation behaviour during freezing and the liquid nucleation behaviour during melting. The existence of a series of freezing peaks, whose shapes resemble normal melting peaks of bulk In, of In melt with pre-existing crystal nuclei has been demonstrated experimentally by means of accurate differential scanning calorimetry (DSC). A superheating peak has been investigated by using DSC for In nanoparticles embedded in an Al matrix. A phenomenological kinetic symmetry between melting and freezing has been demonstrated using DSC curves, which suggests that the melting and superheating behaviour of metal can be interpreted in terms of non-nucleation, heterogeneous nucleation and homogeneous nucleation models, respectively.

Melting-point depression

Crystal (programming language)

10.1088/0953-8984/13/50/304

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Citations (8)

Constructing Co₃O₄ Nanowires on Carbon Fiber Film as a Lithiophilic Host for Stable Lithium Metal Anodes

Chemistry - An Asian Journal (2020)

Fanfan Liu Zongzi Jin Zexun Hu Zhiwen Zhang Wei Liu

Lithium metal has been considered as the most promising anode electrode for substantially improving the energy density of next-generation energy storage devices. However, uncontrollable lithium dendrite growth, an unstable solid electrolyte interface (SEI), and infinite volume variation severely shortens its service lifespan and causes safety hazards, thus hindering the practical application of lithium metal electrodes. Here, carbon fiber film (CFF) modified by lithiophilic Co3 O4 nanowires (denoted as Co3 O4 Nws) was proposed as a matrix for prestoring lithium metal through a thermal infusion method. The homogeneous needle-like Co3 O4 nanowires can effectively promote molten lithium to infiltrate into the CFF skeleton. The post-formed Co-Li2 O nanowires produced by the reaction of Co3 O4 Nws and molten lithium can homogeneously distribute lithium ions flux and efficaciously increase the adsorption energy with lithium ions proved by density functional theory (DFT) calculation, boosting a uniform lithium deposition without dendrite growth. Therefore, the obtained composite anode (denoted as CFF/Co-Li2 O@Li) exhibits superior electrochemical performance with high stripping/plating capacities of 3 mAh cm-2 and 5 mAh cm-2 over long-term cycles in symmetrical batteries. Moreover, in comparison with bare lithium anode, superior Coulombic efficiencies coupled with copper collector and full battery behaviors paired with LiFePO4 cathode are achieved when CFF/Co-Li2 O@Li composite anode was employed.

10.1002/asia.201901668

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Citations (15)