Article
Chemistry, Physical
Diganta Saikia, Juti Rani Deka, Bing-Jyun Lu, Yi-Ching Chen, Jia-Wei Lian, Hsien-Ming Kao, Yung-Chin Yang
Summary: A new strategy is introduced to synthesize 3D interconnected mesoporous biomass-derived carbon using mesoporous silica as the template. Pinecone-derived carbon is successfully synthesized using mesoporous silica KIT-6 as the template. Different chemical reagents, H3BO3, K2CO3, and KOH, are employed to prepare chemically activated pinecone-derived carbons. The template-assisted pinecone-derived carbon exhibits excellent discharge capacities and long-term cycling stability in lithium-ion batteries, while also showing great potential in sodium-ion batteries.
JOURNAL OF POWER SOURCES
(2023)
Article
Chemistry, Physical
Yanqing Wang, Chunshun Yuan, Kunming Li, Dong Li, Anqi Ju
Summary: This study successfully prepared freestanding porous silicon@heteroatom-doped porous carbon fiber by designing a porous structure and adopting heteroatom doping strategy. The material exhibits excellent reversible capacity and cycling stability, indicating its potential application in advanced energy storage.
ACS APPLIED ENERGY MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Yuanyuan Yu, Chen Yang, Yan Jiang, Jiadeng Zhu, Yingying Zhao, Shuheng Liang, Kaixiang Wang, Yulin Zhou, Yuying Liu, Junhua Zhang, Mengjin Jiang
Summary: The reversible cycling performance of silicon (Si) in lithium-ion batteries is a major concern. This study proposes a solution by coating Si particles with a conductive biphenyl-polyoxadiazole (bPOD) layer, which enhances the electrochemical process and prolongs the battery lifespan. The bPOD coating acts as a mixed ionic-electronic conductor, inhibiting the growth of the solid electrolyte interphase (SEI) and improving ion/electron transport capacity. The 3D porous structure of the coating also provides stability against volume variation. The resulting lithium-ion battery exhibits high reversible specific capacity and excellent rate capacity.
Article
Chemistry, Multidisciplinary
Shuai Xu, Jigang Zhou, Jian Wang, Sameera Pathiranage, Nuri Oncel, Pushparaj Robert Ilango, Xin Zhang, Michael Mann, Xiaodong Hou
Summary: The study demonstrates the potential of using low-cost coal-derived humic acid to synthesize in situ graphene-coated disproportionated silicon monoxide (D-SiO@G) anode, which shows excellent performance in high-performance lithium-ion batteries.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Hongjung Kim, Jinhyuk Baek, Dong-Kyu Son, Michael Ruby Raj, Gibaek Lee
Summary: This paper presents a study on silicon nanoparticles-encapsulated hollow porous carbon nanocubes as anode materials for lithium-ion batteries. The materials exhibit excellent reversible capacity, rate capability, and cycling stability, addressing the challenge of structural pulverization in silicon-based anodes.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Zhao Zhang, Fengshuo Xi, Xiuhua Chen, Shaoyuan Li, Wenhui Ma, Zhao Ding, Tao Qu, Yongnian Dai, Rong Deng
Summary: In this study, spherical porous silicon was prepared by recycling microsilica waste from the photovoltaic industry, and nitrogen-doped carbon was coated on the surface to create a coral-like structure. The material showed excellent performance in lithium-ion batteries, with good accommodation of volumetric changes of silicon.
ENVIRONMENTAL CHEMISTRY LETTERS
(2022)
Article
Electrochemistry
Xin Zhang, Huan Wang, Robert Ilango Pushparaj, Michael Mann, Xiaodong Hou
Summary: In this study, a composite anode consisting of coal-derived graphene and micron-sized silicon was synthesized. The composite anode showed good reversible capacity, high-rate performance, and outstanding cycling stability. The graphene foam served as a matrix of electrical conductors and volume expansion support for silicon during lithiation and de-lithiation processes.
ELECTROCHIMICA ACTA
(2022)
Article
Chemistry, Physical
Yaodong Ma, Pengqian Guo, Mengting Liu, Pu Cheng, Tianyao Zhang, Jiande Liu, Dequan Liu, Deyan He
Summary: Porous carbon coated silicon nanoparticles were prepared as anode materials for lithium-ion batteries to suppress the volume expansion effect of silicon and improve the infiltration of electrolyte and the diffusion of lithium ions. The mass ratio of the anode materials effectively controlled the specific capacities and reduced production cost.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Jian Yu, Chaoran Zhang, Weidong Wu, Yuankun Cai, Yafei Zhang
Summary: Silicon has garnered attention for its high specific capacity and abundant reserves, but its volumetric changes during charging and discharging processes have hindered industrial utilization. This study introduces a novel hybrid anode material, Si@void/CNF, designed with a nodes-connected structure that provides both a conductive reticulation for silicon nanoparticles and addresses volume variation. By adjusting the mass ratio of silicon to PMMA, an optimal structure was achieved, demonstrating excellent electrochemical performance with high specific capacity and cycling stability. The electrospun structure of nodes-connected Si@void/CNF offers a promising method for fabricating advanced silicon-based anode materials.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Physical
Tiansheng Mu, Yipeng Sun, Changhong Wang, Yang Zhao, Kieran Doyle-Davis, Jianneng Liang, Xulei Sui, Ruying Li, Chunyu Du, Pengjian Zuo, Geping Yin, Xueliang Sun
Summary: This study successfully establishes a stable artificial SEI on silicon anodes using molecular layer deposition, greatly improving the electrochemical performance and cycling stability of the anodes.
Article
Chemistry, Physical
Hongri Wan, Xinzhe Ju, Tiantian He, Teng Chen, Yingmei Zhou, Cai Zhang, Jiaomei Wang, Yan Xu, Bing Yao, Wenchang Zhuang, Xihua Du
Summary: The study successfully fabricated S-doped porous carbon from biomass waste and found it to exhibit high capacity and cycling stability in both lithium ion batteries and sodium ion batteries. The unique structure of the new material increases specific surface area and additional active sites, which is significant for enhancing battery performance.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Nanoscience & Nanotechnology
Yan Li, Guangyu Chen, Huaixiang Yang, Xiaobing Geng, Zhuo Luo, Chentong Zhang, Liuqing Huang, Xuetao Luo
Summary: The application of photovoltaic solid waste as an effective solution for waste disposal in lithium-ion batteries not only solves the problem of environmental pollution but also avoids the loss of secondary resources. A simple and environmentally friendly method was designed to synthesize P-Si@SiOx/Ag/CN as an anode material for lithium-ion batteries, which exhibited outstanding cycling performance and rate capability. This work opens up a new economic strategy for the fabrication of high-performance silicon anodes and affords a promising avenue for the recycling of PV silicon waste.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Trevor R. Martin, Leah Rynearson, Mackenzie Kuller, Joseph Quinn, Chongmin Wang, Brett Lucht, Nathan R. Neale
Summary: This study presents a new method for synthesizing polyphenylmethanimine (polyPMI), a linear or hyperbranched conjugated polymer, using an aldehyde-imine metathesis reaction. The reaction mechanisms of this polymerization are characterized by a red-shift in the absorption spectrum with increasing polymer conjugation length, attributed to extended pi-condensation based on density functional theory. This synthetic approach allows for easy recyclability of the polymer and is compatible with air- and water-sensitive chemistries. As an example of its utility, the study demonstrates the direct growth of polyPMI on silicon nanoparticles to create silicon anodes for lithium-ion batteries with high electrochemical interfacial passivation. These silicon anodes exhibit excellent cycling stability with Coulombic efficiencies above 99.9% for 500 cycles and can accommodate the expansion and contraction of silicon nanoparticles during lithiation and delithiation. Furthermore, polyPMI facilitates the formation of a chemically and mechanically stable lithium fluoride rich solid electrolyte interphase after long-term cycling.
ADVANCED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Yoga Trianzar Malik, Seo-Yeon Shin, Jin Il Jang, Hyung Min Kim, Sangho Cho, Young Rag Do, Ju-Won Jeon
Summary: In this study, a self-healable and highly stretchable multifunctional binder for Si anodes is designed. The binder can repair cracks and damages of Si anodes during cycling, and the self-healing ability of the Si anode is demonstrated under practical battery operating conditions. The self-healable Si anode delivers a reversible capacity of 2312 mAh g(-1) after 100 cycles and shows excellent rate capability.
Article
Chemistry, Physical
Chunhui Li, Chunshun Yuan, Jiyan Zhu, Xuepeng Ni, Kunming Li, Li Wang, Yongjun Qi, Anqi Ju
Summary: Silicon/carbon@porous carbon nanofiber composites prepared by coaxial electrospinning exhibit excellent electrochemical performance and have the potential to be used as high-performance anodes in lithium-ion batteries (LIBs).
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Nanoscience & Nanotechnology
Yin Zhang, Menglei Wang, Yi Guo, Lingzhi Huang, Boya Wang, Yunhong Wei, Peng Jing, Yueying Zhang, Yun Zhang, Qian Wang, Jingyu Sun, Hao Wu
Summary: The study proposes the use of Nicandra physaloides pectin as an effective polysulfide/polyselenide captor to address the shuttling issues in Li-SeS2 batteries. Validated by operando spectroscopy analysis, this method enhances the trapping efficiency and conversion efficiency, providing ultra-high rate capability, durable cycling lifespan, and high areal capacity for Li-SeS2 cells. Pouch cells assembled with this interlayer exhibit excellent flexibility, decent rate capability, and stable cycling life, promising a low-cost, viable design protocol for practical Li-SeS2 batteries.
NANO-MICRO LETTERS
(2021)
Article
Chemistry, Multidisciplinary
Yunhong Wei, Mi Zhang, Li Yuan, Boya Wang, Hongmei Wang, Qian Wang, Yun Zhang, Junling Guo, Hao Wu
Summary: This study presents a novel multichambered carbon nanofiber host architecture with an in-built TiN/TiO2 heterostructure that does not require additional nitrogen sources. The architecture effectively immobilizes, diffuses, and transforms polysulfides, leading to excellent battery cycling performance and high energy density.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Physical
Boya Wang, Haoyu Fang, Yunhong Wei, Yun Zhang, Qian Wang, Hao Wu
Summary: By encapsulating oxygen-deficient zinc antimonate in graphene nanoscrolls, its conductivity is improved and cycling stability is enhanced, showing the potential application as a high-performance anode material for lithium-ion batteries.
Article
Multidisciplinary Sciences
Xiaoling Qiu, Xiaoling Wang, Yunxiang He, Jieying Liang, Kang Liang, Blaise L. Tardy, Joseph J. Richardson, Ming Hu, Hao Wu, Yun Zhang, Orlando J. Rojas, Ian Manners, Junling Guo
Summary: The study demonstrates a bottom-up synthesis method for hierarchical metal-phenolic mesocrystals, which can self-assemble on different scales to form complex hierarchical structures. Through thermal conversion, these structures can enhance the performance of sodium ion batteries, showing excellent cycling life and high rate capability.
Article
Nanoscience & Nanotechnology
Yuchen Wang, Yiran Pu, Li Yuan, Yun Zhang, Can Liu, Qian Wang, Hao Wu
Summary: A composite made of a bimetallic compound embedded in nitrogen-doped carbon nanofibers is synthesized by using biomass collagen fibers as a structure template. The composite exhibits excellent electrochemical performance and catalytic activity, making it suitable for separator modification and sulfur host in lithium-sulfur batteries.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Physical
Yin Zhang, Boya Wang, Peng Jing, Yi Guo, Yueying Zhang, Yunhong Wei, Qian Wang, Yun Zhang, Hao Wu
Summary: In this study, an ultralight self-standing interlayer composed of porous curly carbon fibers and cobalt electrocatalysts was introduced into Li-SeS2 batteries. The interlayer captured and boosted the conversion kinetics of dual-intermediate polysulfides/polyselenides, resulting in outstanding high-rate capability and superior cycling stability.
Article
Chemistry, Inorganic & Nuclear
Xiande Zhang, Xin He, Shan Yin, Wenlong Cai, Qian Wang, Hao Wu, Kaipeng Wu, Yun Zhang
Summary: The unique heterostructure composed of MnO and MnS confined in carbon microspheres showed improved lithium storage performance due to the abundance of electrochemically active sites, alleviated volumetric variation, enhanced conductive network, and enhanced lithium-ion diffusion kinetics. The heterostructure also promoted the transfer of electrons and accelerated the migration of lithium ions, resulting in remarkable rate capability and exceptional cycling stability.
INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Physical
Kai Yong, Haoyu Fang, Boya Wang, Xiaoling Qiu, Kaipeng Wu, Qian Wang, Yun Zhang, Hao Wu
Summary: By synergistic structural engineering, a high-performance PAA composite electrode with improved conductivity and energy storage capacity is successfully prepared, showing high specific capacity and fast charging capability. The application of 3D-printed composite electrodes is also demonstrated.
ADVANCED ENERGY MATERIALS
(2022)
Article
Chemistry, Physical
Yi Guo, Wenlong Cai, Yi Lin, Yueying Zhang, Song Luo, Kaixin Huang, Hao Wu, Yun Zhang
Summary: This study proposes a solution to the issues of zinc dendrites and side reactions in aqueous zinc ion batteries by constructing a Zn2+ redistributor using weighing paper as an interlayer. The weighing paper exhibits a high water-locking ability to terminate side reactions and contains functional -O groups that can adsorb and facilitate the desolvation process of Zn2+. The electrode covered with weighing paper shows a highly reversible plating/stripping behavior with a long lifespan, even with lean electrolyte and cost-effective separators. This cost-effective and high-performing interlayer engineering holds great potential for practical applications of aqueous zinc ion batteries.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Applied
Aipeng Zhu, Qin Wang, Yin Zhang, Yueyin Zhang, Xiaogang He, Kaipeng Wu, Hao Wu, Qian Wang, Wenlong Cai, Yun Zhang
Summary: In this study, a stable Li0.5Mn0.5O layer was in-situ constructed on the surface of Li-rich layered oxide (Li1.2Mn0.6Ni0.2O2) through acetic passivation and calcination process. This modification layer improved the ion diffusion kinetics, resulting in enhanced cycling stability and rate performance.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Chemistry, Applied
Guochuan Wang, Hongmei Wang, Guangqiang Ma, Xinhe Du, Liyu Du, Peng Jing, Yanqing Wang, Kaipeng Wu, Hao Wu, Qian Wang, Yun Zhang
Summary: Li4Ti5O12 (LTO) anode material with stable spinel structure and high lithiation/de-lithiation potential was successfully synthesized using a novel solid-phase synthesis route. The amorphous crystal structure of metatitanic acid (HTO) was found to be more conducive for Li+ insertion, allowing for the preparation of LTO at a lower sintering temperature. The use of glucose pre-coating effectively enhanced the conductivity, inhibited particle growth, and avoided impurity formation, resulting in excellent electrochemical performance of the obtained ALTO@C anode material. In addition, the LiCoO2//ALTO@C full cell exhibited outstanding low-temperature properties with high capacity and minimal decay.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Hongmei Wang, Yunhong Wei, Guochuan Wang, Yiran Pu, Li Yuan, Can Liu, Qian Wang, Yun Zhang, Hao Wu
Summary: To achieve high energy densities in lithium-sulfur (Li-S) batteries, it is important to develop dense electrodes and reduce the electrolyte and other lightweight inactive components. In this study, a compact TiO2@VN heterostructure with high true density was proposed as a carbon-free dual-capable host for both sulfur and lithium. The heterostructure integrated adsorptive TiO2 with conductive VN to trap, migrate, and convert polysulfides effectively. The TiO2@VN-S composite exhibited high tap-density and low porosity, resulting in dual-boosted cathode-level peak volumetric/gravimetric-energy-densities and prominent areal capacity. The TiO2@VN also demonstrated lithiophilicity as a host material, allowing for uniform Li nucleation and restrained dendrite growth. This enabled the assembled full-cell to achieve high electrode-level volumetric/gravimetric-energy-density with limited lithium excess.
Article
Chemistry, Physical
Peng Jing, Changhaoyue Xu, Yin Zhang, Haijiao Xie, Qianyu Zhang, Hao Wu, Kaipeng Wu, Qian Wang, Yun Zhang
Summary: A novel in-situ oxidization strategy was developed to construct an ideal Se/dual-carbon composite, which greatly improves the cycle life and high-rate capability of the battery.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Inorganic & Nuclear
Peng Jing, Qiong Wang, Chunxiang Xian, Liyu Du, Yin Zhang, Boya Wang, Hao Wu, Kaipeng Wu, Qian Wang, Yun Zhang
Summary: A hierarchical framework composed of FeSe nanoparticles and carbon matrix was developed, demonstrating excellent rate performance and cycling stability. The structure with porous and elastic characteristics could release the stress induced by volume change, ensuring structural integrity during cycling. Ultrafine FeSe particles and the conductive network carbon matrix facilitated rapid electron/ion transfer capability and considerable surface active sites, contributing to fast charging and discharging reactions.
INORGANIC CHEMISTRY FRONTIERS
(2021)
Article
Chemistry, Physical
Jinwei Zhou, Zexun Han, Yueying Zhang, Aipeng Zhu, Xiaogang He, Hao Wu, Xianchun Chen, Qian Wang, Yun Zhang
Summary: By partially sacrificing Ni ions from the cathode substrate, a La4NiLiO8 coating was successfully prepared on the LiNi0.8Co0.1Mn0.1O2 cathode material, leading to significant improvements in long-term cycling performances and rate capabilities of the lithium-ion battery.
JOURNAL OF MATERIALS CHEMISTRY A
(2021)
