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You searched for: Journal Journal of materials chemistry A Remove constraint Journal: Journal of materials chemistry A Publication Year 2017 Remove constraint Publication Year: 2017 Source 2017 v.5 no.14 Remove constraint Source: 2017 v.5 no.14 Text Availability Citation in PubAg Remove constraint Text Availability: Citation in PubAg
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1. A black/red phosphorus hybrid as an electrode material for high-performance Li-ion batteries and supercapacitors

Author:
Chen, Xinhang; Xu, Guanghua; Ren, Xiaohui; Li, Zhongjun; Qi, Xiang; Huang, Kai; Zhang, Han; Huang, Zongyu; Zhong, Jianxin
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6581-6588
ISSN:
2050-7496
Subject:
capacitance; electrochemistry; electrodes; electron transfer; lithium batteries; phosphorus
Abstract:
... A single elemental hybrid composed of black phosphorus (BP) and red phosphorus (RP) is synthesized via a feasible sonochemical method. BP and RP can construct a new single elemental heterostructure. This kind of structure with an excellent interfacial contact between BP and RP would be beneficial to electron transfer and exhibits a superior electrochemical performance. Compared with the sole RP, t ...
DOI:
10.1039/c7ta00455a

2. A facile and scalable fabrication method for thin film composite reverse osmosis membranes: dual-layer slot coating

Author:
Park, Sung-Joon; Ahn, Won-Gi; Choi, Wansuk; Park, Sang-Hee; Lee, Jong Suk; Jung, Hyun Wook; Lee, Jung-Hyun
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6648-6655
ISSN:
2050-7496
Subject:
coatings; liquids; polyamides; polymerization; reverse osmosis; sodium chloride; thin film composite membranes
Abstract:
... We report on a unique, facile and scalable fabrication technique, dual-layer slot coating (DSC) for high performance polyamide (PA) thin film composite (TFC) reverse osmosis (RO) membranes. DSC allows the simultaneous and continuous spreading of two reactive monomer solutions to create an unsupported PA layer via in situ polymerization, which is then adhered onto a porous support to form a membran ...
DOI:
10.1039/c7ta00891k

3. A facile one-pot synthesis of hyper-branched carbazole-based polymer as a hole-transporting material for perovskite solar cells

Author:
Zhou, Zhonggao; Zhao, Yan; Zhang, Chunlei; Zou, Ding; Chen, Yunxiang; Lin, Zhenghuan; Zhen, Hongyu; Ling, Qidan
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6613-6621
ISSN:
2050-7496
Subject:
condensation reactions; dielectric spectroscopy; electric potential difference; photoluminescence; polymers; solar cells; synthesis
Abstract:
... A low-cost, hyper-branched, carbazole-based polymer (HB-Cz) was designed and synthesized by a facile “A3 + B2” one-pot Suzuki polycondensation reaction. Due to the hyper-branched structure and carbazole unit, HB-Cz is a promising candidate for a hole-transporting material, which was confirmed in perovskite solar cells (PVSCs) with a configuration of ITO/TiO₂/MAPbI₃/HB-Cz/Ag. The films of poly-(3-h ...
DOI:
10.1039/c6ta11238b

4. A high performance lithium–sulfur battery enabled by a fish-scale porous carbon/sulfur composite and symmetric fluorinated diethoxyethane electrolyte

Author:
Gao, Mengyao; Su, ChiCheung; He, Meinan; Glossmann, Tobias; Hintennach, Andreas; Feng, Zhenxing; Huang, Yaqin; Zhang, Zhengcheng
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6725-6733
ISSN:
2050-7496
Subject:
batteries; carbon; chemistry; electrodes; electrolytes; ethane; solvents; sulfur
Abstract:
... A high performance lithium–sulfur (Li–S) battery comprising a symmetric fluorinated diethoxyethane electrolyte coupled with a fish-scale porous carbon/S composite electrode was demonstrated. 1,2-Bis(1,1,2,2-tetrafluoroethoxy)ethane (TFEE) was first studied as a new electrolyte solvent for Li–S chemistry. When co-mixed with 1,3-dioxolane (DOL), the DOL/TFEE electrolyte suppressed the polysulfide di ...
DOI:
10.1039/c7ta01057e

5. A hybrid polymer/oxide/ionic-liquid solid electrolyte for Na-metal batteries

Author:
Song, Shufeng; Kotobuki, Masashi; Zheng, Feng; Xu, Chaohe; Savilov, Serguei V.; Hu, Ning; Lu, Li; Wang, Yu; Li, Wei Dong Z.
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6424-6431
ISSN:
2050-7496
Subject:
ambient temperature; batteries; composite polymers; electric potential difference; electrochemistry; electrolytes; mechanical properties; sodium
Abstract:
... The development of solid electrolytes with superior electrical and electrochemical performances for the room-temperature operation of sodium (Na)-based batteries is at the infant stage and still remains a challenge. Herein, we, for the first time, report hybrid solid electrolytes consisting of PEO₂₀–NaClO₄–5% SiO₂–x% Emim FSI (x = 50, 70) designed for solid-state Na-metal batteries. The hybrid des ...
DOI:
10.1039/c6ta11165c

6. Aluminium-ion batteries: developments and challenges

Author:
Das, Shyamal K.; Mahapatra, Sadhan; Lahan, Homen
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6347-6367
ISSN:
2050-7496
Subject:
aluminum; ambient temperature; anodes; batteries; energy density; lithium; sodium
Abstract:
... The concept of exploring the superior benefits of electropositive metals as anodes in rechargeable metal-batteries has resurfaced in recent times in anticipation of the future societal need for high energy density and affordable batteries. A rechargeable battery based on aluminium chemistry is envisioned to be a low cost energy storage platform, considering that aluminium is the most abundant meta ...
DOI:
10.1039/c7ta00228a

7. A mechanochemical synthesis of submicron-sized Li₂S and a mesoporous Li₂S/C hybrid for high performance lithium/sulfur battery cathodes

Author:
Li, Xiang; Gao, Mingxia; Du, Wubin; Ni, Bo; Wu, Yuanhe; Liu, Yongfeng; Shang, Congxiao; Guo, Zhengxiao; Pan, Hongge
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6471-6482
ISSN:
2050-7496
Subject:
ambient temperature; batteries; carbon; carbonization; cathodes; electrochemistry; lithium; mechanochemistry; milling; polyacrylonitrile; porous media; sulfur
Abstract:
... Lithium sulfide, Li₂S, is a promising cathode material for lithium–sulfur batteries (LSBs), with a high theoretical capacity of 1166 mA h g⁻¹. However, it suffers from low cycling stability, low-rate capability and high initial activation potential. In addition, commercially available Li₂S is of high cost and of large size, over ten microns, which further exacerbate its shortcomings as a sulfur ca ...
DOI:
10.1039/c7ta00557a

8. A Mn₃O₄ nano-wall array based binder-free cathode for high performance lithium–sulfur batteries

Author:
Guo, Junling; Zhang, Xiaolong; Du, Xinyu; Zhang, Fengxiang
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6447-6454
ISSN:
2050-7496
Subject:
X-ray photoelectron spectroscopy; batteries; cathodes; electrochemistry; electrolytes; energy density; manganese dioxide; sulfur
Abstract:
... Lithium–sulfur batteries (LSBs) have recently attracted great interest owing to their high theoretical energy density (2500 kW kg⁻¹) and low cost and the environmental friendliness of sulfur as the active species at the cathode. However, rapid capacity fading restricts practical application of LSBs. Despite the encouraging progress achieved, this issue still needs to be further addressed. Herein, ...
DOI:
10.1039/c7ta00475c

9. A new Ce-doped MgAl-LDH@Au nanocatalyst for highly efficient reductive degradation of organic contaminants

Author:
Iqbal, Kanwal; Iqbal, Anam; Kirillov, Alexander M.; Wang, Bingkai; Liu, Weisheng; Tang, Yu
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6716-6724
ISSN:
2050-7496
Subject:
ambient temperature; atmospheric pressure; catalysts; catalytic activity; cerium; discoloration; electrons; gold; ions; methyl orange; methylene blue; nanogold; oxidation; p-nitrophenol; rhodamines; sodium borohydride; surface area
Abstract:
... A new type of convenient, environmentally friendly, and recyclable nanocatalyst (abbreviated as MgAlCe-LDH@Au) was designed and successfully assembled by loading Au nanoparticles (Au NPs; ∼3 nm average diameter) on a MgAlCe-LDH support through an in situ reduction of HAuCl₄ by NaBH₄. The MgAlCe-LDH support was prepared by doping the Magnesium–Aluminum Layered Double Hydroxide (MgAl-LDH) with ceriu ...
DOI:
10.1039/c6ta10880f

10. An in situ formed MnO–Co composite catalyst layer over Ni–Ce₀.₈Sm₀.₂O₂₋ₓ anodes for direct methane solid oxide fuel cells

Author:
Zhao, Jie; Xu, Xiaoyong; Zhou, Wei; Zhu, Zhonghua
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6494-6503
ISSN:
2050-7496
Subject:
X-ray photoelectron spectroscopy; anodes; carbon; catalysts; cobalt; electrochemistry; energy-dispersive X-ray analysis; fuel cells; hydrogen; manganese oxides; mass transfer; methane; moieties; oxygen; transmission electron microscopy
Abstract:
... The development of direct methane solid oxide fuel cells is greatly impeded by the problem of carbon deposition on conventional Ni-based anodes. Here, we report a MnO–Co composite catalyst layer, formed by the in situ reduction of Mn₁.₅Co₁.₅O₄ spinel, over Ni–Ce₀.₈Sm₀.₂O₂₋ₓ (SDC) anodes for direct methane solid oxide fuel cells (SOFCs). Transmission electron microscopy (TEM)–energy dispersive spec ...
DOI:
10.1039/c6ta10473h

11. A review of gassing behavior in Li₄Ti₅O₁₂-based lithium ion batteries

Author:
Han, Cuiping; He, Yan-Bing; Liu, Ming; Li, Baohua; Yang, Quan-Hong; Wong, Ching-Ping; Kang, Feiyu
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6368-6381
ISSN:
2050-7496
Subject:
anodes; chemistry; energy; graphene; lithium batteries; temperature; vehicles (equipment)
Abstract:
... Lithium ion batteries (LIBs) with high power density, extended life time, and enhanced safety properties are promising energy storage devices for pure/hybrid electric vehicles and grid energy storage. Conventional graphite anodes suffer from limited rate capability and great safety concerns. Thus the development of efficient electrode materials with long cycle stability, excellent rate capability ...
DOI:
10.1039/c7ta00303j

12. A sodium–aluminum hybrid battery

Author:
Sun, Xiao-Guang; Zhang, Zhizhen; Guan, Hong Yu; Bridges, Craig A.; Fang, Youxing; Hu, Yong-Sheng; Veith, Gabriel M.; Dai, Sheng
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6589-6596
ISSN:
2050-7496
Subject:
X-ray diffraction; aluminum; aluminum chloride; anodes; batteries; cathodes; electric potential difference; electrolytes; salt concentration; sodium
Abstract:
... Novel hybrid batteries are fabricated using an aluminum anode, a sodium intercalation cathode Na₃V₂(PO₄)₃ (NVP), and a sodium/aluminum dual salt electrolyte based on NaAlCl₄ and an eutectic mixture of 1-ethyl-3-methylimidazolium chloride (EMImC) and aluminum chloride. Cyclic voltammograms indicate that increasing the molar concentration of AlCl₃ in the electrolyte is beneficial to high coulombic e ...
DOI:
10.1039/c7ta00191f

13. A two-volt aqueous supercapacitor from porous dehalogenated carbon

Author:
Wang, Lin; Zhang, Guoxin; Han, Biao; Chang, Yingna; Li, Haoyuan; Wang, Jindi; Hu, Cejun; Chang, Zheng; Huo, Ziyang; Sun, Xiaoming
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6734-6739
ISSN:
2050-7496
Subject:
capacitance; carbon; dehalogenation; electric potential difference; electrochemistry; electrodes; electrolytes; ethanol; porous media; renewable energy sources; sodium; sodium fluoride; specific energy; thermoplastics
Abstract:
... Aqueous supercapacitors are among the most promising materials for clean and renewable energy storage; however, their utilization for applications is limited by their low specific energy arising from issues due to water splitting. Herein, water splitting-inactive electrode materials of mesoporous carbon were fabricated through the dehalogenation of polyvinylidene fluoride (PVDF) by sodium ethoxide ...
DOI:
10.1039/c6ta10341c

14. Biologically-based pressure activated thin-film battery

Author:
McFarlane, Tucker M.; Shetzline, Jamie A.; Creager, Stephen; Huebner, Christopher F.; Tonkin, Chip; Foulger, Stephen
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6432-6436
ISSN:
2050-7496
Subject:
batteries; chemistry; deformation; electrolytes; fish roe; manganese oxides; polyethylene terephthalates; zinc
Abstract:
... There is an industrial interest in utilizing large volume manufacturing processes such as printing (e.g. stencil, roll-to-roll) to produce thin-film functional components. These components will require power sources, for example thin-film batteries, and it would be advantageous to be able to produce these powering items in-line with the components. Traditional primary thin-film batteries have limi ...
DOI:
10.1039/c6ta10910a

15. BODIPY-based conjugated porous polymers for highly efficient volatile iodine capture

Author:
Zhu, Yunlong; Ji, Ya-Jian; Wang, De-Gao; Zhang, Yi; Tang, Hui; Jia, Xin-Ru; Song, Min; Yu, Guipeng; Kuang, Gui-Chao
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6622-6629
ISSN:
2050-7496
Subject:
active sites; adsorption; ambient temperature; chemical bonding; cross-coupling reactions; crosslinking; hydrogen; iodination; iodine; polymers; surface area; thermal stability; volatile compounds
Abstract:
... Capturing volatile radionuclide iodine from nuclear and medical waste streams is an important environmental issue. In this work, we found that the 2,6-position hydrogen atoms of a BODIPY core undergo fast iodination with volatile iodine at room temperature. Inspired by our observation, two novel BODIPY-based conjugated porous polymers (CPPs) BDP-CPP-1 and BDP-CPP-2, and the reference compound NBDP ...
DOI:
10.1039/c7ta00026j

16. Capacity retention of lithium sulfur batteries enhanced with nano-sized TiO₂-embedded polyethylene oxide

Author:
Lee, Felix; Tsai, Meng-Che; Lin, Ming-Hsien; Ni'mah, Yatim Lailun; Hy, Sunny; Kuo, Chao-Yen; Cheng, Ju-Hsiang; Rick, John; Su, Wei-Nien; Hwang, Bing-Joe
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6708-6715
ISSN:
2050-7496
Subject:
anodes; batteries; chemistry; density functional theory; electrolytes; lithium; nanoparticles; polyethylene glycol; sulfur; titanium dioxide
Abstract:
... The shuttle effect of polysulfides in Li/S batteries causes the loss of active materials and capacity decay. This phenomenon has retarded the practical application of Li/S batteries. Herein, we demonstrate that the undesired shuttle mechanism owing to dissolved lithium polysulfides can be effectively suppressed by the incorporation of TiO₂ nanoparticles (NPs) within a solid nanocomposite polymer e ...
DOI:
10.1039/c6ta10755a

17. Carbon nitride supported AgPd alloy nanocatalysts for dehydrogenation of formic acid under visible light

Author:
Xiao, Liping; Jun, Young-Si; Wu, Binghui; Liu, Deyu; Chuong, Tracy T; Fan, Jie; Stucky, Galen D.
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6382-6387
ISSN:
2050-7496
Subject:
alloy nanoparticles; alloys; ambient temperature; carbon nitride; catalysts; catalytic activity; dehydrogenation; formic acid; hydrogen production
Abstract:
... AgPd alloy nanoparticles deposited on carbon nitride have been synthesized by a facile one-step reduction method and exhibit high catalytic activity at near room temperature (30 °C) for formic acid dehydrogenation, both under visible light and in darkness. The study proves that using the synergistic combination of alloying effects and metal-support interactions greatly enhances the catalytic activ ...
DOI:
10.1039/c7ta01039g

18. Considerably enhanced perovskite solar cells via the introduction of metallic nanostructures

Author:
Cheng, Yu; Chen, Cong; Chen, Xu; Jin, Junjie; Li, Hao; Song, Hongwei; Dai, Qilin
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6515-6521
ISSN:
2050-7496
Subject:
alloy nanoparticles; chemistry; energy; gold; light scattering; nanogold; nanosilver; silver; solar cells; titanium dioxide
Abstract:
... Currently, perovskite solar cells (PSCs) are attracting extensive interest due to their potential for overcoming the energy crisis. However, increasing the power conversion efficiency (PCE) of PSCs to realize outdoor applications is still one of the crucial issues in PSC research. In this study, metallic nanostructures including Au, Ag and Au–Ag nanoalloy with different sizes and morphology were s ...
DOI:
10.1039/c6ta10715j

19. Correction: New promising lithium malonatoborate salts for high voltage lithium ion batteries

Author:
Sun, Xiao-Guang; Wan, Shun; Guan, Hong Yu; Fang, Youxing; Reeves, Kimberly Shawn; Chi, Miaofang; Dai, Sheng
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6756
ISSN:
2050-7496
Subject:
chemistry; electric potential difference; lithium; lithium batteries; salts
Abstract:
... Correction for ‘New promising lithium malonatoborate salts for high voltage lithium ion batteries’ by Xiao-Guang Sun et al., J. Mater. Chem. A, 2017, 5, 1233–1241. ...
DOI:
10.1039/c7ta90065a

20. Cyano substituted benzotriazole based polymers for use in organic solar cells

Author:
Casey, Abby; Green, Joshua P.; Shakya Tuladhar, Pabitra; Kirkus, Mindaugas; Han, Yang; Anthopoulos, Thomas D.; Heeney, Martin
Source:
Journal of materials chemistry A 2017 v.5 no.14 pp. 6465-6470
ISSN:
2050-7496
Subject:
Lewis bases; Stille reaction; composite polymers; electric potential difference; fluorine; solar cells; solubility; triazoles
Abstract:
... A new synthetic route to the electron accepting di-cyano substituted benzo[d][1,2,3]triazole (BTz) monomer 2-(2-butyloctyl)-4,7-di(thiophen-2-yl)-2H-benzotriazole-5,6-dicarbonitrile (dTdCNBTz) is reported. The cyano substituents can be easily introduced to the BTz unit in one step via the nucleophilic aromatic substitution of the fluorine substituents of the fluorinated precursor 2-(2-butyloctyl)- ...
DOI:
10.1039/c7ta00835j