Highly Safe, Durable, Adaptable, and Flexible Fuel Cell Using Gel/Sponge Composite Material

Article Nanoscience & Nanotechnology

Atomic Modulation of 3D Conductive Frameworks Boost Performance of MnO2 for Coaxial Fiber-Shaped Supercapacitors

Xiaona Wang et al.

Summary: A 3D Zn-doped CuO framework was designed for distributing high mass loading of MnO2 nanosheets, improving charge transport efficiency; the resulting asymmetric coaxial fiber-shaped supercapacitor showed higher capacity and stability.

NANO-MICRO LETTERS (2021)

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Article Chemistry, Physical

Mechanical simulation informed rational design of a soft-and-hard double-jacketed SnO2 flexible electrode for high performance lithium-ion battery

Xingang Liu et al.

Summary: The study presents a graphene-based tin dioxide (SnO2) composite electrode as a promising anode candidate for high-performance flexible lithium-ion batteries. Mechanical simulations were conducted to investigate the stress induced by lithium intercalation in pristine and surface-modified SnO2 anodes, showing that a double soft/hard coating is more effective in reducing charging-induced stresses. The fabricated flexible SnO2 composite electrode with a soft/hard double jacket exhibits high specific capacity, excellent rate capability, and ultra-stable cycling stability, in line with the simulation results.

ENERGY STORAGE MATERIALS (2021)

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Article Energy & Fuels

Modeling study of an air-breathing micro direct methanol fuel cell with an extended anode catalyst region

Yinghui Zhang et al.

Summary: The study found that in an air-breathing micro direct methanol fuel cell, having anode catalysts only on the proton-exchange membrane showed superior performance compared to having anode catalysts on both the membrane and channel walls. Additionally, increasing the anode catalyst loading on channel walls resulted in decreased cathode potential, impacting overall fuel cell performance.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2021)

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Article Chemistry, Multidisciplinary

Realizing an All-Round Hydrogel Electrolyte toward Environmentally Adaptive Dendrite-Free Aqueous Zn-MnO2 Batteries

Minfeng Chen et al.

Summary: A all-round hydrogel electrolyte was developed using cotton, tetraethyl orthosilicate, and glycerol, exhibiting high ionic conductivity and excellent mechanical properties.

ADVANCED MATERIALS (2021)

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Article Chemistry, Physical

Engineering hollow porous platinum-silver double-shelled nanocages for efficient electro-oxidation of methanol

Wenqing Yao et al.

Summary: This study introduces a novel and efficient Pt-Ag DSNCs electrocatalyst with a double-shelled structure and optimized bimetallic chemical composition. The Pt-Ag DSNCs exhibit superior stability and specific activity for the electro-oxidation of methanol, showing potential for application in direct methanol fuel cells.

APPLIED CATALYSIS B-ENVIRONMENTAL (2021)

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Article Chemistry, Physical

Design and fabrication of a quick-fit architecture air breathing direct methanol fuel cell

Bincy George Abraham et al.

Summary: An air breathing direct methanol fuel cell (AB-DMFC) with a unique architecture was designed and optimized for high performance, utilizing titanium mesh as a catalyst support and optimizing the configuration of the anode and cathode. The study also extended the single cell AB-DMFC architecture to 2-cell and 6-cell mini-stacks, which were used to power a small portable device.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2021)

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Article Chemistry, Physical

Sensing advancement towards safety assessment of hydrogen fuel cell vehicles

Sahar Foorginezhad et al.

Summary: The study emphasizes the importance of safety considerations when using hydrogen fuel cells, despite their promising advantages as an alternative energy source. Comprehensive review on hydrogen characteristics, sensor types, international collaborations, regulations, and standards are discussed. Future directions are proposed for sensing and monitoring methods in the utilization of hydrogen fuel cells in vehicles.

JOURNAL OF POWER SOURCES (2021)

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Article Chemistry, Analytical

Design and Simulation of Air-Breathing Micro Direct Methanol Fuel Cells with Different Anode Flow Fields

Huichao Deng et al.

Summary: The design of the anode flow field is critical for the performance of micro direct methanol fuel cells, with a single-serpentine flow field showing better mass transfer efficiency and carbon dioxide emission efficiency compared to other flow fields. Additionally, the optimal parameters for the single-serpentine flow field were found to be an open ratio of 47.3% and a channel length of 63.5 mm, resulting in higher peak power density.

MICROMACHINES (2021)

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Article Multidisciplinary Sciences

A highly stable and flexible zeolite electrolyte solid-state Li-air battery

Xiwen Chi et al.

Summary: Solid-state lithium-air batteries with integrated ultrathin, high-ion-conductive zeolite X membrane as the sole solid electrolyte exhibit excellent electrochemical performance, flexibility, and stability. These batteries have a high capacity and cycle life, outperforming batteries based on other materials under the same conditions, and show potential for practical applicability in various energy-storage systems.

NATURE (2021)

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Article Multidisciplinary Sciences

Green synthesis of olefin-linked covalent organic frameworks for hydrogen fuel cell applications

Zhifang Wang et al.

Summary: Researchers have successfully developed a highly crystalline olefin-linked COF using a green strategy, showing great promise for applications in proton exchange membrane fuel cells.

NATURE COMMUNICATIONS (2021)

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Article Chemistry, Physical

Modulating Electronic Structure of an Au-Nanorod-Core-PdPt-Alloy-Shell Catalyst for Efficient Alcohol Electro-Oxidation

Xiaobo Yang et al.

Summary: By designing an electrocatalyst with an Au-nanorod core and a PdPt-alloy shell, the study successfully addresses three key issues in AORs and improves the catalyst activity. Additionally, the catalyst optimizes the electronic structure and enables efficient electro-oxidation of various alcohol substances.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Multidisciplinary

A Self-Healing Crease-Free Supramolecular All-Polymer Supercapacitor

Funian Mo et al.

Summary: An all-polymeric, all-elastic and non-laminated supercapacitor has been developed to address structural problems and increase mechanical reliability, while maintaining excellent electrochemical performance. This innovative design includes in situ integration of a polypyrrole electrode layer into a silk fibroin-based elastic supramolecular hydrogel film, resulting in a device with structural elasticity at the device level. Additionally, the supercapacitors exhibit outstanding self-healing capabilities, with a self-healing efficiency approaching 95.8% even after 30 cutting/healing cycles.

ADVANCED SCIENCE (2021)

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Article Nanoscience & Nanotechnology

High-Performance Flexible Asymmetric Supercapacitor Paired with Indanthrone@Graphene Heterojunctions and MXene Electrodes

Yongqi Xu et al.

Summary: The combination of IDT and rGO formed high-performance electrode film, working together with Ti3C2Tx MXene to create an excellent positive-negative electrode pairing, resulting in the enhancement of energy density in supercapacitors.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Review Chemistry, Multidisciplinary

3D Printed Micro-Electrochemical Energy Storage Devices: From Design to Integration

Wen Zhang et al.

Summary: This article presents the recent progress in the application of 3D printing technology in micro-electrochemical energy storage devices, highlighting the different 3D printing techniques used for the fabrication of electrodes and other components, and discussing the future research and development direction in this important field.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Powering Electronic Devices from Salt Gradients in AA-Battery-Sized Stacks of Hydrogel-Infused Paper

Anirvan Guha et al.

Summary: Inspired by electric fish, a new artificial electric organ has been developed using a hybrid material of hydrogel-infused paper to provide larger current output than previous designs. This new power source makes it possible to power electronic devices and demonstrates that biology's mechanism of generating electricity can now be realized from soft materials.

ADVANCED MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Flexible, Mechanically Robust, Solid-State Electrolyte Membrane with Conducting Oxide-Enhanced 3D Nanofiber Networks for Lithium Batteries

Mengmeng Zhang et al.

Summary: The study introduced a novel 3D ion-conducting network by utilizing LLZO nanoparticles reinforced conducting polymer nanofibers, creating a lightweight continuous and interconnected LLZO-enhanced 3D network that outperforms traditional heavy and brittle ceramic nanofibers.

NANO LETTERS (2021)

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Article Chemistry, Multidisciplinary

Real-Time Biomonitoring Device Based on 2D Black Phosphorus and Polyaniline Nanocomposite Flexible Supercapacitors

Jayraj V. Vaghasiya et al.

Summary: Researchers have successfully synthesized a hybrid nanocomposite material for flexible supercapacitor electrodes, which can provide power for biometric devices and transmit signals in real time via wireless communication. This integrated device has been used to track physiological parameters, such as heart beat, showing promise for flexible energy storage devices in real-time health monitoring applications.

SMALL (2021)

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Article Chemistry, Physical

Chemical Vapor Deposition for N/S-Doped Single Fe Site Catalysts for the Oxygen Reduction in Direct Methanol Fuel Cells

Xiaohang Li et al.

Summary: A nitrogen/sulfur codoped single iron site catalyst (Fe-N/S-C) prepared through chemical vapor deposition (CVD) showed superior catalytic activity for the oxygen reduction reaction (ORR) in alkaline media. The tuning of optimal charge distribution of Fe sites by N and S codoping and the suppression of iron-carbide-containing iron clusters formation contributed to the high performance of the catalyst. Further studies demonstrated its promising performance as a cathode catalyst in direct methanol fuel cells.

ACS CATALYSIS (2021)

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Review Chemistry, Physical

Multi-Functional Hydrogels for Flexible Zinc-Based Batteries Working under Extreme Conditions

Siyuan Zhao et al.

Summary: Zinc-based batteries with hydrogel electrolytes are promising for flexible energy storage due to their high capacity, low cost, and safety features. However, research on these batteries under extreme conditions is still in the early stages, with many technical issues remaining to be addressed. Design strategies for hydrogel electrolytes suitable for use in all extreme conditions are proposed, along with a discussion on the challenges and future directions of hydrogel electrolytes for zinc-based batteries.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Multidisciplinary

High-performance carbon nanotube electronic ratchets

Ji Hao et al.

Summary: The advancements in low-power portable/wearable electronic devices require technologies that can provide power without bulky battery storage. Electronic ratchets, such as conjugated polymer-based and semiconducting single-walled carbon nanotube (s-SWCNT) channels, have been proposed as solutions to convert AC signals or electronic noise into stable DC power. These s-SWCNT electronic ratchets demonstrate higher output power and improved stability compared to polymer-based analogs, showing promise as energy harvesting devices for portable, low-power applications.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Article Chemistry, Multidisciplinary

Stretchable supercapacitor at-30 °C

Xuting Jin et al.

Summary: A highly stretchable and anti-freezing supercapacitor was fabricated without the need for extra stretchable substrates or predefining stretchable structures. It showed high mechanical stretchability, impressive capacitance retention at low temperatures, and an ultralong lifespan, making it an ideal power source for driving multi-functional electronic components.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Review Materials Science, Multidisciplinary

Flexible and Stretchable Microwave Electronics: Past, Present, and Future Perspective

Huilong Zhang et al.

Summary: Microwave electronics have transitioned from bulky waveguide and vacuum tube-based formats to smaller and lighter board-based electronics, and further into highly miniaturized, chip-based solid-state forms. With the emergence of high-performance flexible inorganic single-crystalline semiconductors, a new era of technology evolution towards flexible and/or stretchable microwave electronics has begun. Recent demonstrations of microwave components, modules, and systems operating at frequencies equal to or greater than 1 GHz in flexible/stretchable form factors hint at the potential of this new stage in microwave electronics evolution.

ADVANCED MATERIALS TECHNOLOGIES (2021)

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Article Chemistry, Multidisciplinary

Flexible Solid-State Direct Ethanol Fuel Cell Catalyzed by Nanoporous High-Entropy Al-Pd-Ni-Cu-Mo Anode and Spinel (AlMnCo)3O4 Cathode

Shiyin Li et al.

Summary: A generic dealloying procedure was reported to synthesize nanoporous multicomponent anodic and cathodic catalysts for high-performance ethanol fuel cells. The flexible solid-state ethanol fuel cell demonstrated outstanding energy density with high flexibility, durability, and an inject-and-run function. The use of high-entropy alloy and dealloyed spinel nanosheets as catalysts contributed to the impressive performance of the fuel cell.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Physical

Intrinsically Stretchable Fuel Cell Based on Enokitake-Like Standing Gold Nanowires

Qingfeng Zhai et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Physical

Enhancing fuel transport in air-breathing microfluidic fuel cells by immersed fuel micro-jet

Yuan Zhou et al.

JOURNAL OF POWER SOURCES (2020)

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Article Chemistry, Physical

All-solid-state passive direct methanol fuel cells with great orientation stability and high energy density based on solid methanol fuels

Guanbin Lu et al.

JOURNAL OF POWER SOURCES (2020)

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Article Chemistry, Physical

Structurally Ordered Pt3Sn Nanofibers with Highlighted Antipoisoning Property as Efficient Ethanol Oxidation Electrocatalysts

Yiming Zhu et al.

ACS CATALYSIS (2020)

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Article Chemistry, Physical

Superior Oxygen Reduction Reaction on Phosphorus-Doped Carbon Dot/Graphene Aerogel for All-Solid-State Flexible Al-Air Batteries

Mengran Wang et al.

ADVANCED ENERGY MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Stretchable Coplanar Self-Charging Power Textile with Resist-Dyeing Triboelectric Nanogenerators and Microsupercapacitors

Zifeng Cong et al.

ACS NANO (2020)

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Article Chemistry, Multidisciplinary

High-Performance Bismuth-Doped Nickel Aerogel Electrocatalyst for the Methanol Oxidation Reaction

Amare Aregahegn Dubale et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Review Chemistry, Multidisciplinary

Recent Advances in Flexible and Stretchable Sensing Systems: From the Perspective of System Integration

Li Xiang et al.

ACS NANO (2020)

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Article Chemistry, Physical

Recent advances in flexible/stretchable batteries and integrated devices

Qingfeng Zhai et al.

ENERGY STORAGE MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Skin-Like Stretchable Fuel Cell Based on Gold-Nanowire-Impregnated Porous Polymer Scaffolds

Shu Gong et al.

SMALL (2020)

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Article Energy & Fuels

Pore-scale modeling of oxygen transport in the catalyst layer of air-breathing cathode in membraneless microfluidic fuel cells

Ya-Lu Fu et al.

APPLIED ENERGY (2020)

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Article Materials Science, Multidisciplinary

Anode ink formulation for a fully printed flexible fuel cell stack

Liisa Hakola et al.

FLEXIBLE AND PRINTED ELECTRONICS (2020)

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Article Chemistry, Physical

Safety issues of defective lithium-ion batteries: identification and risk evaluation

Yikai Jia et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Article Chemistry, Physical

A detailed computational model for cylindrical lithium-ion batteries under mechanical loading: From cell deformation to short-circuit onset

Lubing Wang et al.

JOURNAL OF POWER SOURCES (2019)

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Article Chemistry, Physical

Super-Stretchable Zinc Air Batteries Based on an Alkaline-Tolerant Dual-Network Hydrogel Electrolyte

Longtao Ma et al.

ADVANCED ENERGY MATERIALS (2019)

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Article Engineering, Electrical & Electronic

Enhancement of power output in passive micro-direct methanol fuel cells with optimized methanol concentration and trapezoidal flow channels

Arjun Sunil Rao et al.

JOURNAL OF MICROMECHANICS AND MICROENGINEERING (2019)

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Article Chemistry, Physical

A high-performance flexible direct ethanol fuel cell with drop-and-play function

Jiaqi Wang et al.

NANO ENERGY (2019)

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Article Green & Sustainable Science & Technology

Direct methanol fuel cell (DMFC) and H2 proton exchange membrane fuel (PEMFC/H2) cell performance under atmospheric flight conditions of Unmanned Aerial Vehicles

Oscar Gonzalez-Espasandin et al.

RENEWABLE ENERGY (2019)

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Article Chemistry, Multidisciplinary

Synthesis of high-quality black phosphorus sponges for all-solid-state supercapacitors

Min Wen et al.

MATERIALS HORIZONS (2019)

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Review Chemistry, Multidisciplinary

Functional Hydrogels for Next-Generation Batteries and Supercapacitors

Youhong Guo et al.

TRENDS IN CHEMISTRY (2019)

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Review Polymer Science

Ionic Gels and Their Applications in Stretchable Electronics

Haifei Wang et al.

MACROMOLECULAR RAPID COMMUNICATIONS (2018)

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Article Chemistry, Multidisciplinary

Salt-Mediated Polyampholyte Hydrogels with High Mechanical Strength, Excellent Self-Healing Property, and Satisfactory Electrical Conductivity

Tangjie Long et al.

ADVANCED FUNCTIONAL MATERIALS (2018)

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Article Chemistry, Physical

Solid-State Rechargeable Zn//NiCo and Zn-Air Batteries with Ultralong Lifetime and High Capacity: The Role of a Sodium Polyacrylate Hydrogel Electrolyte

Yan Huang et al.

ADVANCED ENERGY MATERIALS (2018)

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Article Chemistry, Physical

Promotion of Ternary Pt-Sn-Ag Catalysts toward Ethanol Oxidation Reaction: Revealing Electronic and Structural Effects of Additive Metals

Sheng Dai et al.

ACS ENERGY LETTERS (2018)

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Article Chemistry, Physical

Hydrogen monitoring requirements in the global technical regulation on hydrogen and fuel cell vehicles

W. Buttner et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2017)

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Article Electrochemistry

Tracking Internal Temperature and Structural Dynamics during Nail Penetration of Lithium-Ion Cells

Donal P. Finegan et al.

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2017)

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Article Chemistry, Multidisciplinary

Nanostructured Conductive Polymer Gels as a General Framework Material To Improve Electrochemical Performance of Cathode Materials in Li-Ion Batteries

Ye Shi et al.

NANO LETTERS (2017)

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Review Chemistry, Physical

Toward Soft Skin-Like Wearable and Implantable Energy Devices

Shu Gong et al.

ADVANCED ENERGY MATERIALS (2017)

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Article Chemistry, Multidisciplinary

The Effect of Surface Site Ensembles on the Activity and Selectivity of Ethanol Electrooxidation by Octahedral PtNiRh Nanoparticles

Nina Erini et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2017)

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Article Chemistry, Multidisciplinary

Flexible and Lightweight Fuel Cell with High Specific Power Density

Fandi Ning et al.

ACS NANO (2017)

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Article Chemistry, Multidisciplinary

3D Porous Sponge-Inspired Electrode for Stretchable Lithium-Ion Batteries

Wei Liu et al.

ADVANCED MATERIALS (2016)

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Article Energy & Fuels

Computational model of 18650 lithium-ion battery with coupled strain rate and SOC dependencies

Jun Xu et al.

APPLIED ENERGY (2016)

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Article Chemistry, Physical

Coaxial TiO2 carbon nanotube sponges as compressible anodes for lithium-ion batteries

Mingchu Zou et al.

JOURNAL OF MATERIALS CHEMISTRY A (2016)

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Article Energy & Fuels

An operationally flexible fuel cell based on quaternary ammonium-biphosphate ion pairs

Kwan-Soo Lee et al.

NATURE ENERGY (2016)

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Article Chemistry, Multidisciplinary

Dopant-Enabled Supramolecular Approach for Controlled Synthesis of Nanostructured Conductive Polymer Hydrogels

Yaqun Wang et al.

NANO LETTERS (2015)

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Article Electrochemistry

A model for mixed potential in direct methanol fuel cell cathode and a novel cell design

A. A. Kulikovsky

ELECTROCHIMICA ACTA (2012)

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Article Chemistry, Physical

Characterization and optimization of a printed, primary silver-zinc battery

Kyle T. Braam et al.

JOURNAL OF POWER SOURCES (2012)

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Article Chemistry, Physical

Hydrogels in methanol fuel cartridge used as a diffusion-rate-controlling agent suppressing the methanol crossover in passively operated flat-pack type DMFCs

Woo-Jae Kim et al.

JOURNAL OF POWER SOURCES (2006)

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Article Electrochemistry

On the nature of mixed potential in a DMFC

AA Kulikovsky

JOURNAL OF THE ELECTROCHEMICAL SOCIETY (2005)

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Highly Safe, Durable, Adaptable, and Flexible Fuel Cell Using Gel/Sponge Composite Material

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