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This week’s HOT articles

29 Jul 2013

Take a look at our selection of exciting articles that have been recently published online:

Synthesis of Mo₂N nanolayer coated MoO₂hollow nanostructures as high-performance anode materials for lithium-ion batteries
Jun Liu, Shasha Tang, Yakun Lu, Gemei Cai, Shuquan Liang, Wenjun Wang and Xiaolong Chen
DOI: 10.1039/C3EE41006D

On chip, all solid-state and flexible micro-supercapacitors with high performance based on MnO_x/Au multilayers
Wenping Si, Chenglin Yan, Yao Chen, Steffen Oswald, Luyang Han and Oliver G. Schmidt
DOI: 10.1039/C3EE41286E

Life-cycle assessment of carbon dioxide capture and utilization: avoiding the pitfalls
Niklas von der Assen, Johannes Jung and André Bardow
DOI: 10.1039/C3EE41151F

High-performance semi-transparent polymer solar cells possessing tandem structures
Chun-Chao Chen, Letian Dou, Jing Gao, Wei-Hsuan Chang, Gang Li and Yang Yang
DOI: 10.1039/C3EE40860D

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Flexible supercapacitors for portable electronics – EES article in Chemistry World

23 Jul 2013

Scientists from Germany have created a supercapacitor that is just 50 nanometres thick and less than 5 millimetres wide. The tiny supercapacitor has been successfully integrated into miniaturised, flexible electronic circuits.

Portable consumer electronics, like mobile phones and cameras, are rapidly advancing to meet the demands of modern society. They are becoming smaller, lighter, thinner, flexible and wearable. A bottleneck to further miniaturisation has been reducing the size and increasing the flexibility of the power supply component of electronic circuits – often a supercapacitor.

Interested to know more? Read the full news article by Rowan Frame in Chemistry World here…

Read the article by W Si et al. in EES:

On chip, all solid-state and flexible micro-supercapacitors with high performance based on MnOx/Au multilayers
Wenping Si, Chenglin Yan, Yao Chen, Steffen Oswald, Luyang Han and Oliver G. Schmidt
Energy Environ. Sci., 2013, Advance Article
DOI: 10.1039/C3EE41286E

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New energy storage devices for post lithium-ion batteries themed collection now published in Issue 8

22 Jul 2013

Energy & Environmental Science is delighted to present its current issue which includes an excellent collection of articles on the theme of “New energy storage devices for post lithium-ion batteries”, Guest Edited by Haoshen Zhou. Read his Editorial to find out more.

The outside front cover features a perspective article “Mg rechargeable batteries: an on-going challenge” by Hyun Deog Yoo, Ivgeni Shterenberg, Yosef Gofer, Gregory Gershinsky, Nir Pour and Doron Aurbach.

The inside front cover features an article by Nazar et al. – “Na-ion mobility in layered Na₂FePO₄F and olivine Na[Fe,Mn]PO₄”

Highlights of this issue include:

Towards sustainable and versatile energy storage devices: an overview of organic electrode materials
Zhiping Song and Haoshen Zhou, Energy Environ. Sci., 2013, 6, 2280

The pursuit of rechargeable solid-state Li–air batteries
Fujun Li, Hirokazu Kitaura and Haoshen Zhou, Energy Environ. Sci., 2013, 6, 2302

Room-temperature stationary sodium-ion batteries for large-scale electric energy storage
Huilin Pan, Yong-Sheng Hu and Liquan Chen, Energy Environ. Sci., 2013, 6, 2338

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Top 25 most-read EES articles – Q2 2013

18 Jul 2013

This month sees the following articles in Energy & Environmental Science that are in the top 25 most accessed from April – June:

Progress in flexible energy storage and conversion systems, with a focus on cable-type lithium-ion batteries
Sang-Young Lee, Keun-Ho Choi, Woo-Sung Choi, Yo Han Kwon, Hye-Ran Jung, Heon-Cheol Shin and Je Young Kim
Energy Environ. Sci., 2013,6, 2414-2423
DOI: 10.1039/C3EE24260A

Graphene-based electrodes for electrochemical energy storage
Chaohe Xu, Binghui Xu, Yi Gu, Zhigang Xiong, Jing Sun and X. S. Zhao
Energy Environ. Sci., 2013,6, 1388-1414
DOI: 10.1039/C3EE23870A

Highly efficient dye-sensitized solar cells: progress and future challenges
Shufang Zhang, Xudong Yang, Youhei Numata and Liyuan Han
Energy Environ. Sci., 2013,6, 1443-1464
DOI: 10.1039/C3EE24453A

3D carbon based nanostructures for advanced supercapacitors
Hao Jiang, Pooi See Lee and Chunzhong Li
Energy Environ. Sci., 2013,6, 41-53
DOI: 10.1039/C2EE23284G

Low-temperature processed meso-superstructured to thin-film perovskite solar cells
James M. Ball, Michael M. Lee, Andrew Hey and Henry J. Snaith
Energy Environ. Sci., 2013,6, 1739-1743
DOI: 10.1039/C3EE40810H

From planar-heterojunction to n–i structure: an efficient strategy to improve short-circuit current and power conversion efficiency of aqueous-solution-processed hybrid solar cells
Zhaolai Chen, Hao Zhang, Xiaohang Du, Xiao Cheng, Xigao Chen, Yingying Jiang and Bai Yang
Energy Environ. Sci., 2013,6, 1597-1603
DOI: 10.1039/C3EE40481A

Development of alternative photocatalysts to TiO2: Challenges and opportunities
María D. Hernández-Alonso, Fernando Fresno, Silvia Suárez and Juan M. Coronado
Energy Environ. Sci., 2009,2, 1231-1257
DOI: 10.1039/B907933E

Light-trapping in dye-sensitized solar cells
Stephen Foster and Sajeev John
Energy Environ. Sci., 2013, Advance Article
DOI: 10.1039/C3EE40185E

Shape-tailored TiO₂ nanocrystals with synergic peculiarities as building blocks for highly efficient multi-stack dye solar cells
Luisa De Marco, Michele Manca, Roberto Giannuzzi, Maria R. Belviso, P. Davide Cozzoli and Giuseppe Gigli
Energy Environ. Sci., 2013,6, 1791-1795
DOI: 10.1039/C3EE24345A

Challenges in the development of advanced Li-ion batteries: a review
Vinodkumar Etacheri, Rotem Marom, Ran Elazari, Gregory Salitra and Doron Aurbach
Energy Environ. Sci., 2011,4, 3243-3262
DOI: 10.1039/C1EE01598B

A membrane-free lithium/polysulfide semi-liquid battery for large-scale energy storage
Yuan Yang, Guangyuan Zheng and Yi Cui
Energy Environ. Sci., 2013,6, 1552-1558
DOI: 10.1039/C3EE00072A

Graphene and its derivatives for the development of solar cells, photoelectrochemical, and photocatalytic applications
Da Chen, Hao Zhang, Yang Liu and Jinghong Li
Energy Environ. Sci., 2013,6, 1362-1387
DOI: 10.1039/C3EE23586F

Biomass-derived electrocatalytic composites for hydrogen evolution
Wei-Fu Chen, Shilpa Iyer, Shweta Iyer, Kotaro Sasaki, Chiu-Hui Wang, Yimei Zhu, James T. Muckerman and Etsuko Fujita
Energy Environ. Sci., 2013,6, 1818-1826
DOI: 10.1039/C3EE40596F

Flexible graphene–polyaniline composite paper for high-performance supercapacitor
Huai-Ping Cong, Xiao-Chen Ren, Ping Wang and Shu-Hong Yu
Energy Environ. Sci., 2013,6, 1185-1191
DOI: 10.1039/C2EE24203F

A high-performance supercapacitor-battery hybrid energy storage device based on graphene-enhanced electrode materials with ultrahigh energy density
Fan Zhang, Tengfei Zhang, Xi Yang, Long Zhang, Kai Leng, Yi Huang and Yongsheng Chen
Energy Environ. Sci., 2013,6, 1623-1632
DOI: 10.1039/C3EE40509E

Lithium–oxygen batteries: bridging mechanistic understanding and battery performance
Yi-Chun Lu, Betar M. Gallant, David G. Kwabi, Jonathon R. Harding, Robert R. Mitchell, M. Stanley Whittingham and Yang Shao-Horn
Energy Environ. Sci., 2013,6, 750-768
DOI: 10.1039/C3EE23966G

Photoelectrochemical reduction of nitrates at the illuminated p-GaInP₂ photoelectrode
Heli Wang and John A. Turner
Energy Environ. Sci., 2013,6, 1802-1805
DOI: 10.1039/C3EE40745D

Graphene based new energy materials
Yiqing Sun, Qiong Wu and Gaoquan Shi
Energy Environ. Sci., 2011,4, 1113-1132
DOI: 10.1039/C0EE00683A

Stabilizing inorganic photoelectrodes for efficient solar-to-chemical energy conversion
Syed Mubeen, Joun Lee, Nirala Singh, Martin Moskovits and Eric W. McFarland
Environ. Sci., 2013,6, 1633-1639
DOI: 10.1039/C3EE40258D

High-efficiency polymer solar cells with a cost-effective quinoxaline polymer through nanoscale morphology control induced by practical processing additives
Yiho Kim, Hye Rim Yeom, Jin Young Kim and Changduk Yang
Energy Environ. Sci., 2013,6, 1909-1916
DOI: 10.1039/C3EE00110E

High photo-electrochemical activity of thylakoid–carbon nanotube composites for photosynthetic energy conversion
Jessica O. Calkins, Yogeswaran Umasankar, Hugh O’Neill and Ramaraja P. Ramasamy
Energy Environ. Sci., 2013,6, 1891-1900
DOI: 10.1039/C3EE40634B

Review of solutions to global warming, air pollution, and energy security
Mark Z. Jacobson
Energy Environ. Sci., 2009,2, 148-173
DOI: 10.1039/B809990C

High performance hybrid solar cells sensitized by organolead halide perovskites
Bing Cai, Yedi Xing, Zhou Yang, Wen-Hua Zhang and Jieshan Qiu
Energy Environ. Sci., 2013,6, 1480-1485
DOI: 10.1039/C3EE40343B

Carbon nanotubes for lithium ion batteries
Brian J. Landi, Matthew J. Ganter, Cory D. Cress, Roberta A. DiLeo and Ryne P. Raffaelle
Energy Environ. Sci., 2009,2, 638-654
DOI: 10.1039/B904116H

Uniform V₂O₅ nanosheet-assembled hollow microflowers with excellent lithium storage properties
An Qiang Pan, Hao Bin Wu, Lei Zhang and Xiong Wen (David) Lou
Energy Environ. Sci., 2013,6, 1476-1479
DOI: 10.1039/C3EE40260F

Why not take a look at the articles today and blog your thoughts and comments below

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This week’s HOT articles

15 Jul 2013

Take a look at our selection of exciting articles that have been recently published online:

$ per W metrics for thermoelectric power generation: beyond ZT
Shannon K. Yee, Saniya LeBlanc, Kenneth E. Goodson and Chris Dames
DOI: 10.1039/C3EE41504J

Controlled synthesis of hierarchical Co_xMn_3−xO₄ array micro-/nanostructures with tunable morphology and composition as integrated electrodes for lithium-ion batteries
Le Yu, Lei Zhang, Hao Bin Wu, Genqiang Zhang and Xiong Wen (David) Lou
DOI: 10.1039/C3EE41181H

Oxygen-tolerant coenzyme A-acylating aldehyde dehydrogenase facilitates efficient photosynthetic n-butanol biosynthesis in cyanobacteria
Ethan I. Lan, Soo Y. Ro and James C. Liao
DOI: 10.1039/C3EE41405A

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Cobalt redox couple boosts thermoelectric cells: EES article in Chemistry World

15 Jul 2013

Scientists in Australia have improved a technology that recycles waste heat into useable energy by using ionic liquids containing cobalt redox couples as the electrolytes in thermoelectric cells.

Thermoelectrochemical devices generate power when a temperature gradient exists across a redox couple. The power generated is not yet enough to use as a primary energy source, but thermoelectric cells are useful for harvesting waste energy from energy production.

Aqueous or organic solutions traditionally form the electrolyte in thermoelectrochemical cells. The volatility of water and most organic solvents restrict working temperatures as the solvent can evaporate, reducing the long term stability and power output of the cells. Ionic liquids have extremely low vapour pressures, because of the strong ionic interactions, so do not easily evaporate. Their low thermal conductivity compared to water also helps ionic liquids maintain the temperature gradient across the device.

Interested to know more?

Read the full article by Matthew Smith in Chemistry World here…

Read the article in EES:

High Seebeck coefficient redox ionic liquid electrolytes for thermal energy harvesting
Theodore J. Abraham, Douglas R. MacFarlane and Jennifer M. Pringle
Energy Environ. Sci., 2013, Advance Article
DOI: 10.1039/C3EE41608A

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Hydrogen generation using sunlight: EES article in Chemistry World

18 Jun 2013

Scientists from Spain have found a catalyst that can use sunlight to power an important industrial reaction for the production of hydrogen at ambient temperatures.

Hydrogen is a clean and efficient alternative energy carrier to fossil fuels. However, as hydrogen does not typically exist by itself in nature, it must be released from compounds that contain it.

Most hydrogen is produced by the steam reforming reaction. Methane reacts with steam at high temperatures to produce hydrogen (H2), carbon monoxide (CO) and some carbon dioxide (CO2). In a subsequent reaction, called the water–gas shift (WGS) reaction, CO and steam react further to produce CO2 and more H2. This step requires temperatures around 350°C and either an iron oxide-based or a copper-based catalyst.

Interested to know more?

Read the full article by Rowan Frame in Chemistry World here…

Read the article in EES:

Photocatalytic water gas shift using visible or simulated solar light for the efficient, room-temperature hydrogen generation
Francesc Sastre, Marica Oteri, Avelino Corma and Hermenegildo García
Energy Environ. Sci., 2013, Advance Article
DOI: 10.1039/C3EE40656C

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Bacterium breaks down grass for biofuel: EES article in Chemistry World

13 Jun 2013

US scientists have discovered the first microorganism that anaerobically degrades plant biomass to release sugars for biofuel feedstocks. At present, this is the only known anaerobic microbe capable of solubilising all plant components – including cellulose, glucose, and lignin, which is extremely difficult to break down – at the same time and at similar rates.

Biomass typically needs to be pretreated with strong acids, at high temperatures, to break it down into usable raw materials for biofuel. However, current industrial pretreatment processes are inefficient and expensive, and can pollute the environment.

Herbs and woody plants are potential renewable biofuel feedstocks, but their chemical complexity and high lignin content make them extremely difficult to degrade. Scientists have been trying to find, or bioengineer, microorganisms that can more readily breakdown plant material and produce desired biofuels directly from untreated biomass.

Interested to know more?

Read the full article by Jeanne Therese Andres in Chemistry World here…

Read the article from EES:

Carbohydrate and lignin are simultaneously solubilized from unpretreated switchgrass by microbial action at high temperature
Irina Kataeva, Marcus B. Foston, Sung-Jae Yang, Sivakumar Pattathil, Ajaya K. Biswal, Farris L. Poole II, Mirko Basen, Amanda M. Rhaesa, Tina P. Thomas, Parastoo Azadi, Victor Olman, Trina D. Saffold, Kyle E. Mohler, Derrick L. Lewis, Crissa Doeppke, Yining Zeng, Timothy J. Tschaplinski, William S. York, Mark Davis, Debra Mohnen, Ying Xu, Art J. Ragauskas, Shi-You Ding, Robert M. Kelly, Michael G. Hahnbd and Michael W. W. Adams
Energy Environ. Sci., 2013, Advance Article
DOI: 10.1039/C3EE40932E

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Soybean catalyst for hydrogen evolution: EES article in Chemistry World

03 Jun 2013

A catalyst made from soybeans could overcome a major barrier to cheap hydrogen fuel by replacing the platinum catalyst used in the electrocatalytic production of hydrogen, claim scientists in the US.

For hydrogen to be competitive with petroleum fuels, the US Department of Energy has estimated that its cost must be reduced from $4–5/kg to $2–3/kg. The platinum catalyst used to make hydrogen via water electrolysis is a significant part of the cost, so the search is on for cheaper catalysts that are just as efficient.

Now, James Muckerman, Wei-Fu Chen and colleagues at Brookhaven National Laboratory, New York, have produced a catalyst made from molybdenum – an abundant transition metal, around 1500 times cheaper than platinum – and ground soybeans.

Read the article from EES:

Biomass-derived electrocatalytic composites for hydrogen evolution
Wei-Fu Chen, Shilpa Iyer, Shweta Iyer, Kotaro Sasaki, Chiu-Hui Wang, Yimei Zhu, James T. Muckerman and Etsuko Fujitaa
Energy Environ. Sci., 2013,6, 1818-1826
DOI: 10.1039/C3EE40596F

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EES Blog

Author Archive

This week’s HOT articles

Flexible supercapacitors for portable electronics – EES article in Chemistry World

New energy storage devices for post lithium-ion batteries themed collection now published in Issue 8

Top 25 most-read EES articles – Q2 2013

This week’s HOT articles

Cobalt redox couple boosts thermoelectric cells: EES article in Chemistry World

Hydrogen generation using sunlight: EES article in Chemistry World

Bacterium breaks down grass for biofuel: EES article in Chemistry World

Soybean catalyst for hydrogen evolution: EES article in Chemistry World

Top 10 most-read EES articles in March

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