Article
Chemistry, Multidisciplinary
Pengcheng Liu, Hongchang Hao, Hugo Celio, Jinlei Cui, Muqing Ren, Yixian Wang, Hui Dong, Aminur Rashid Chowdhury, Tanya Hutter, Frederic A. Perras, Jagjit Nanda, John Watt, David Mitlin
Summary: This study presents a multifunctional separator for potassium-metal batteries, utilizing tape-cast microscale AlF3 coated on polypropylene. The novel separator demonstrates excellent electrochemical performance, stability, and capacity retention in experiments.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Sul Ki Park, Davor Copic, Tommy Zijian Zhao, Agnieszka Rutkowska, Bo Wen, Kate Sanders, Ruhan He, Hyun-Kyung Kim, Michael De Volder
Summary: Lithium metal is a promising anode material for lithium-ion batteries due to its high specific capacity and low potential. However, issues such as Li consumption and dendrite growth during cycling have hindered its practical application. In this study, a scalable fabrication method for 3D Cu anodes using one-step electrodeposition is reported, which shows high Coulombic efficiencies and cycling stability.
Article
Materials Science, Multidisciplinary
Gang Wen, Liang Tan, Xuexia Lan, Hanyin Zhang, Renzong Hu, Bin Yuan, Jun Liu, Min Zhu
Summary: Modifying the solid electrolyte interface (SEI) with materials like Li2CO3 can enhance the interfacial stability and lithium storage reversibility of SnO2, resulting in composite anodes with high Coulombic efficiencies, large capacities, and long cycle lives. This strategy can also greatly promote the cycling stability of other alloying-type and conversion reaction anodes, offering a universal and simple approach for achieving highly reversible and stable electrodes for large-capacity lithium storage.
SCIENCE CHINA-MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Changju Chae, Sunho Jeong
Summary: Nanostructured tin monosulfide/carbon composites were successfully synthesized using a simple wet chemical synthesis approach. The composites exhibit excellent specific capacity and rate capability as an anode material for sodium-ion batteries.
Article
Nanoscience & Nanotechnology
Hui Liu, Yuegang Long, Yun Chen, Zhiguo Wang, Chun Zhang, Renzong Hu, Xiong Zhang, Peng Yu
Summary: Improving cycle stability of high-capacity silicon anodes is a challenge for their widespread use in high-energy-density lithium-ion batteries. Ternary Si100-x-yTixBy alloys were designed and prepared to enhance the cycle stability of silicon anodes. The study focused on assessing the impact of free active silicon, inactive phases, and amorphous silicon on the cyclability of Si100-x-yTixBy, showing its potential as an anode material for high-energy-density Li-ion batteries and potentially guiding the design of multi-component Si-alloy anodes.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Physical
Zijin Yang, Xianying Qin, Kui Lin, Qiuchan Cai, Cuiping Han, Feiyu Kang, Baohua Li
Summary: A template-free heterogeneous carbonization strategy was reported for fabricating SnO2/carbon/void/carbon nanofibers compound membrane, which acts as a buffer layer for volume changes of SnO2. Reduced graphene oxide was introduced to construct a free-standing electrode with a conductive network for improved electrochemical performances in lithium/sodium-ion batteries. The SCVC-rGO anodes showed higher reversible capacity, longer lifespan, and superior rate capability in both battery systems.
Article
Chemistry, Physical
Dong Won Kim, Chenrayan Senthil, Sung Mi Jung, Sun-Sik Kim, Hun-Seong Kim, Ji Won Hong, Jou-Hyeon Ahn, Hyun Young Jung
Summary: This study presents a feasible strategy to suppress polysulfide and selectively control ions transport in Li-S batteries by using a new-type ultralight aerofilm membrane. The membrane effectively filters out polysulfides while also providing anchoring and catalysis for better battery performance. The research demonstrates significant improvements in the cycle life and discharge capacity of the Li-S batteries.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Shangze Fan, Shiqiang Cui, Jiangjiang Zhang, Jinsheng Rong, Wenxin Wang, Xuteng Xing, Yaran Liu, Wenwen Ma, Jing-Tai Zhao
Summary: In this study, SiOxCy microtubes were synthesized and used as anodes for Li-ion batteries, exhibiting high initial Coulombic efficiency, low volume fluctuations, and high cyclability. SiOxCy also acted as a substrate for lithium deposition, promoting uniform deposition and achieving low nucleation overpotential and high Coulombic efficiency. Full batteries based on SiOxCy and SiOxCy@Li anodes demonstrated great practicality.
Article
Chemistry, Applied
Hua Kong, Jiafeng Wu, Ying Han, Yu Zhang, Ning Zhou, Qi Chen, Wentao Sun, Huanping Zhou, Lian-Mao Peng
Summary: Recent progress has shown that perovskite can be used as a potential candidate for effective energy storage material. By adjusting the dimensionality of perovskite, high-performing one-dimensional hybrid perovskite-based lithium-ion batteries have been fabricated, with a significantly higher specific capacity compared to traditional perovskite and commercialized graphite electrode.
JOURNAL OF ENERGY CHEMISTRY
(2022)
Article
Chemistry, Physical
Jin-Lin Yang, Peihua Yang, Wenqi Yan, Jian-Wei Zhao, Hong Jin Fan
Summary: An efficient zinc anode host has been designed by combining a 3D microporous scaffold and zincophilic surfaces, which effectively solves the issues of poor cycle life in zinc-ion batteries using metallic zinc anodes. The designed host stabilizes the zinc metal deposition and improves the cycle life of full cells.
ENERGY STORAGE MATERIALS
(2022)
Article
Chemistry, Physical
Yilin Yao, Sizhe Wang, Xiaohua Jia, Jin Yang, Yong Li, Jiaxuan Liao, Haojie Song
Summary: This study reports the preparation of a highly flexible and highly conductive MXene interlayer and investigates its application in lithium-sulfur batteries. The interlayer improves the electrochemical performance of the batteries through adsorption of lithium polysulfides, catalyzing the conversion reaction, and preventing polysulfide deposition. It exhibits excellent capacity retention and decay rate in long-term cycling tests.
Article
Chemistry, Physical
Juliane Huettl, Christoph Seidl, Henry Auer, Kristian Nikolowski, Arno L. Gorne, Michael Arnold, Christian Heubner, Mareike Wolter, Alexander Michaelis
Summary: To enable solid-state batteries with Li metal anodes, different classes of electrolytes including polymers, oxides, and sulfides are being investigated. Hybrid bilayer cells with layers of different electrolyte materials are considered promising, with optimizations like surface treatments reducing interfacial resistance between the promising electrolytes Al-LLZO and LPS. Cycling tests using Li-metal electrodes show excellent stability and negligible degradation, indicating potential for solid-state batteries with hybrid LPS/LLZO electrolytes.
ENERGY STORAGE MATERIALS
(2021)
Article
Chemistry, Physical
Christian Haensel, Baltej Singh, David Kiwic, Pieremanuele Canepa, Dipan Kundu
Summary: The study explores the electro-chemo-mechanical behavior of Li-In and Li-Sn alloys in sulfide electrolyte-based SSBs. Intermetallic electrodes show impressive stability and nearly perfect interfacial contact during Li insertion/deinsertion. The variation in Li migration barrier with composition and its effect on Li cycling overpotential are revealed through computational and electrochemical studies.
CHEMISTRY OF MATERIALS
(2021)
Article
Chemistry, Physical
Tianye Zheng, Jia Zhang, Wei Jin, Steven T. Boles
Summary: This research demonstrates the strategic thermal control in cycling aluminum anodes to improve the cycling performance of lithium-ion batteries. The electrochemical formation of specific phases at slightly elevated temperatures enables higher capacity and stable cycling. The findings suggest that thermal conditions explored in this study can be applied in various applications and create synergies with practical scenarios.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Materials Science, Multidisciplinary
Xingyang Du, Hanying Zhang, Xuexia Lan, Bin Yuan, Renzong Hu
Summary: The SiO-Sn-Co/graphite (G) anode, with a unique structure of tiny milled SiO-Sn-Co particles dispersed among graphite layers, successfully improved the initial Coulombic efficiencies (ICE) and cycle stability. The alloy promoted Li+ extraction kinetics, while the reversibility of SiO and graphite enhanced electrical conductivity, resulting in high average ICE of 77.6% and capacity retention above 98% after 100 cycles.
ENERGY & ENVIRONMENTAL MATERIALS
(2022)
Article
Engineering, Electrical & Electronic
Jihee Lee, Kyoung-Rog Lee, Benjamin E. Eovino, Jeong Hoan Park, Luna Yue Liang, Liwei Lin, Hoi-Jun Yoo, Jerald Yoo
Summary: The ASIC presented in this study is a high-efficiency solution for a miniaturized 3D ultrasound system, featuring a charge-recycling high-voltage transmitter and a dynamic-bit-shared analog-to-digital converter. It achieves low power consumption, calibration function, and adaptive gain control, making it suitable for applications like 3D ultrasound imaging.
IEEE JOURNAL OF SOLID-STATE CIRCUITS
(2021)
Article
Chemistry, Multidisciplinary
Renxiao Xu, Peisheng He, Guangchen Lan, Kamyar Behrouzi, Yande Peng, Dongkai Wang, Tao Jiang, Ashley Lee, Yu Long, Liwei Lin
Summary: A time- and cost-effective fabrication methodology for multilayer stretchable electronics has been developed using a two-mode mechanical cutting process. This method allows for the creation of complex patterns without using conventional photolithography-based processes, resulting in excellent electronic performances of the devices even after repetitive large deformations.
Article
Chemistry, Multidisciplinary
Tao Jiang, Wenying Qiu, Zhaoyang Li, Xing Ye, Yuhan Liu, Yushi Li, Xiaohao Wang, Junwen Zhong, Xiang Qian, Liwei Lin
Summary: The study utilized a flexible actuator system to achieve basic tactile feedback functions and generate output forces, developed programmable tactile sensation patterns, and demonstrated tactile-assisted navigation and tactile-based braille prototypes, showcasing potential applications in cognitive assistance through tactile feedbacks.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Engineering, Multidisciplinary
Zhongbao Wang, Yigen Wu, Dezhi Wu, Daoheng Sun, Liwei Lin
Summary: The study utilized an advanced printing process to deposit soft magnetic composites in an orderly manner, creating deformable actuators with fast response, untethered control, and harmless human-machine interactions under low-strength magnetic fields. By controlling the magnetic polarities of microparticles and utilizing the microscale Weissenberg effect (MWE) through a rotating needle, the research effectively delivered the high viscosity magnetic composites ink.
COMPOSITES PART B-ENGINEERING
(2022)
Article
Chemistry, Analytical
Georgii Grigorev, Nikolay O. Nikitin, Alexander Hvatov, Anna Kalyuzhnaya, Alexander Lebedev, Xiaohao Wang, Xiang Qian, Georgii Maksimov, Liwei Lin
Summary: This paper presents a generative design methodology for a micro hydrodynamic single-RBC trap, aiming to improve the through-slit flowrates for effective cell trapping in microfluidics-based single-cell analysis. The design, validated with experimental data, utilizes an evolutionary algorithm to generate optimized L-shaped trapping slits, leading to increased flow velocities and improved trapping efficiency for cells of various sizes.
Article
Nanoscience & Nanotechnology
Liuyang Han, Wei Zeng, Ying Dong, Xiaohao Wang, Liwei Lin
Summary: This study presents a high-density and large-scale flexible pressure sensor array for mapping and detecting arterial and venous pulses simultaneously. The experimental results show that this system can acquire detailed information about both arterial and venous pulses simultaneously, indicating its wide range of potential applications.
ADVANCED ELECTRONIC MATERIALS
(2022)
Article
Nanoscience & Nanotechnology
Ruiqi Guo, Fanping Sui, Wei Yue, Zekai Wang, Sedat Pala, Kunying Li, Renxiao Xu, Liwei Lin
Summary: The geometric designs of MEMS devices play a crucial role in their physical properties and performance. This paper proposes the use of deep learning techniques to accelerate the MEMS design cycle by accurately predicting the physical properties of multiple design candidates with different geometric features. By representing the design candidates using pixelated black-and-white images and training a deep neural network, the physical properties of interest can be quickly calculated without traditional numerical tools. This approach significantly reduces computation time and promotes experience-free and data-driven MEMS structural designs.
MICROSYSTEMS & NANOENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Zhaoyang Li, Yuan Ma, Kaijun Zhang, Jun Wan, Dazhe Zhao, Yucong Pi, Gangjin Chen, Jiangfeng Zhang, Wei Tang, Liwei Lin, Junwen Zhong
Summary: The paper introduces a wearable vibrotactile actuator that can generate mechanical stimulation on the human skin for various human-machine interaction applications. The actuator is characterized by excellent air permeability, low preload requirements, high output sensitivity, and good mechanical durability. Demonstrations include a wireless haptic feedback glove and large size actuators providing tactile feedback for English characters and parts of the human body. The proposed system opens up new possibilities for applications in metaverse, teleoperation, smart textiles, and robotics.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Engineering, Electrical & Electronic
Liuhao Wu, Jiaqi Guo, Rucheng Jiang, Yande Peng, Han Wu, Jiamin Li, Yang Luo, Liwei Lin, Jerald Yoo
Summary: The article discusses the solution to the 3D depth sensing problem in drone vision and navigation. By developing a UIS ASIC with a specific image reconstruction scheme and design, real-time wireless 3D image streaming under different conditions has been successfully achieved.
IEEE JOURNAL OF SOLID-STATE CIRCUITS
(2022)
Proceedings Paper
Engineering, Electrical & Electronic
Yu Long, Peisheng He, Yande Peng, Liwei Lin
Summary: In this research, a thermoelectric energy harvester based on an ion-conductive ionogel is presented, which exhibits self-healing capability, ultrahigh Seebeck coefficient, and stable performance. It has the potential to convert the temperature differences between the human body/skin and the environment into electricity.
2022 IEEE 35TH INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS CONFERENCE (MEMS)
(2022)
Article
Materials Science, Multidisciplinary
Fanping Sui, Ruiqi Guo, Zhizhou Zhang, Grace X. Gu, Liwei Lin
Summary: This paper introduces the concept of digital materials and their application in composite material design. Through a deep reinforcement learning scheme, an automated process for digital material design is achieved, resulting in improved design quality and significant computational advantages.
ACS MATERIALS LETTERS
(2021)
Proceedings Paper
Engineering, Electrical & Electronic
Ruiqi Guo, Renxiao Xu, Zekai Wang, Fanping Sui, Liwei Lin
Summary: Machine learning is used to accelerate the MEMS design process by training neural networks on pixelated binary 2D images of candidate designs. The neural network can quickly and accurately identify vibrational modes and calculate frequencies, outperforming common FEA software by a factor of 4000 with a high accuracy of around 98%. The method is demonstrated using circular disk resonators as an example, showcasing the efficiency and effectiveness of the approach.
2021 34TH IEEE INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS (MEMS 2021)
(2021)
Proceedings Paper
Engineering, Electrical & Electronic
Peisheng He, Yande Peng, Liwei Lin
Summary: This study presents a self-healable, flexible, and multimodal sweat sensor capable of detecting important indicators for skin and metabolic disorders. It maintains sensitivity under large strain and can recover conductivity and sensitivity through self-healing, making it suitable for wearable health monitoring systems that often encounter accidental damages.
2021 34TH IEEE INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS (MEMS 2021)
(2021)
Proceedings Paper
Engineering, Electrical & Electronic
Sedat Pala, Zhichun Shao, Yande Peng, Liwei Lin
Summary: A phase-shift cancellation scheme has been proposed to reduce the ring down period of ultrasonic transducers and increase axial resolutions. Experimental results demonstrate that this scheme effectively shortens the ring down period and improves axial distance sensing resolution for both single elements and arrays.
2021 34TH IEEE INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS (MEMS 2021)
(2021)
Proceedings Paper
Engineering, Electrical & Electronic
Sedat Pala, Zhichun Shao, Yande Peng, Liwei Lin
Summary: This study demonstrates the use of non-contact ultrasonic waves for delivering tactile sensations through a dual-electrode bimorph piezoelectric micromachined transducer. Experimental results show that the best tactile sensation on human fingers is achieved when simulating 100 Hz signals with high frequency ultrasonic waves, and strong haptic sensations are reported up to 10 cm away from the transducers.
2021 34TH IEEE INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS (MEMS 2021)
(2021)
