Electrolyte cations influence on organic dye-sensitized solar cells

Peng Wang (EES Advisory Board member) and co-workers at the Chinese Academy of Sciences have systematically investigate the influence of the electrolyte cations on spectroscopic and electrical features of organic dye-sensitized solar cells.

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Influence of the electrolyte cation in organic dye-sensitized solar cells: lithium versus dimethylimidazolium
Renzhi Li, Daxing Liu, Difei Zhou, Yushuai Shi, Yinghui Wang and Peng Wang
Energy Environ. Sci., 2010, DOI: 10.1039/C0EE00223B

organic dye-sensitized solar cells

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Enhanced energy capacity in asymmetrical supercapacitors

Communication article – just published – read it now

George Chen and colleagues at the University of Nottingham have discovered that unequalisation of the positive and negative electrode capacitances can greatly enhance the energy capacity of asymmetrical supercapacitors, promising a simple and low cost manufacturing strategy.

Unequalisation of electrode capacitances for enhanced energy capacity in asymmetrical supercapacitors
Chuang Peng, Shengwen Zhang, Xiaohang Zhou and George Z. Chen
Energy Environ. Sci., 2010, DOI: 10.1039/C0EE00228C

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SuNEC and EES collaboration

Energy & Environmental Science is delighted to announce its exciting collaboration with the Sun New Energy Conference and Exhibition (SuNEC).

SuNEC will be held 5-8 July 2011 in Sicily, Italy and will be co-chaired by Vittorio Loddo and Mario Pagliaro. Invited plenary speakers include Bouziane Mahmah, Peter Peumans, Simone Cimino and Michael Schubert.

The meeting will focus on the practical aspects of solar energy in every major field, covering the latest developments in solar energy science.

Themes:

  • Photovoltaics
  • Solar electrical vehicles
  • BIPV
  • Solar cooling
  • Concentrated solar power
  • Solar thermal
  • Solar economy (Helionomics)

Energy & Environmental Science plans to publish a collection of high-profile feature articles in a special issue to highlight some of the great research from this important meeting in the area of solar energy conversion. Submit your paper before 31st January 2011.

The first official Impact Factor of Energy & Environmental Science has just been released by ISI, and it’s a huge 8.50, placing it as the #1 ranked journal in the field.

Key Deadlines:

  • Oral abstract deadline and early bird registration: 31 January 2011
  • Submission deadline for EES issue: 31 January 2011
  • Poster abstract deadline: 4 March 2011

Energy & Environmental Science articles of interest:

Solar hydrogen: fuel of the near future
Mario Pagliaro, Athanasios G. Konstandopoulos, Rosaria Ciriminna and Giovanni Palmisano,
Energy Environ. Sci
., 2010, 3, 279

Compact monocrystalline silicon solar modules with high voltage outputs and mechanically flexible designs
Alfred J. Baca, Ki Jun Yu, Jianliang Xiao, Shuodao Wang, Jongseung Yoon, Jae Ha Ryu, Darren Stevenson, Ralph G. Nuzzo, Angus A. Rockett, Yonggang Huang and John A. Rogers,
Energy Environ. Sci.
, 2010, 3, 208

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The future of CO2 capture

CO2 capture technology Read this high-impact review by Paul Fennell and Charlotte Williams (Imperial College London).

The future of CO2 capture – amines or calcium? Is there a viable alternative to land-filling carbon? These issues and more are discussed in this technical review of CO2 capture technology.

An overview of CO2 capture technologies
Niall MacDowell, Nick Florin, Antoine Buchard, Jason Hallett, Amparo Galindo, George Jackson, Claire S. Adjiman, Charlotte K. Williams, Nilay Shah and Paul Fennell
Energy Environ. Sci., 2010, DOI: 10.1039/C004106H

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Bioenergy: in search of clarity

Answers to “Could we” and “Must we” questions would provide much-needed clarity on the desirability and feasibility of large-scale bioenergy utilization.

 BioenergyRead this high-profile Opinion article by Lee Rybeck Lynd.

Bioenergy: in search of clarity
Lee R. Lynd
Energy Environ. Sci., 2010, 3, 1150-1152
DOI: 10.1039/C002335N

Professor Lynd is the focus area leader for biomass deconstructionand conversion at the US Department of Energy Bioenergy Science Center, and initiator and steering committee chair of the Global Sustainable Bioenergy Project.

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Increasing efficiency of polymer electrolyte fuel cells

Communication article hot of the press – read it today!

oxygen reductionApparent rate constants for the oxygen reduction at monodisperse Pt supported on graphitized carbon black, prepared by the nanocapsule method, were twice those of a commercial one.

Temperature dependence of oxygen reduction activity at Nafion-coated Pt/graphitized carbon black catalysts prepared by the nanocapsule method
Hiroshi Yano, Tomohiro Akiyama, Hiroyuki Uchida and Masahiro Watanabe
Energy Environ. Sci., 2010, DOI: 10.1039/C0EE00106F

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Review: bulk-heterojunction hybrid solar cells

bulk-heterojunction hybrid solar cellsRead this Review article by Michael Krüger and colleagues.

Recent development of bulk-heterojunction hybrid solar cells is reviewed and strategies for further improvement are discussed:

Bulk-heterojunction hybrid solar cells based on colloidal nanocrystals and conjugated polymers

Yunfei Zhou, Michael Eck and Michael Krüger
Energy Environ. Sci., 2010,DOI: 10.1039/C0EE00143K

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Clean and efficient electrolysis of formic acid

formic acidHOT article – published today – read it here now!

Clean, efficient electrolysis of formic acid via formation of eutectic, ionic mixtures with ammonium formate
Leigh Aldous and Richard G Compton
Energy Environ. Sci., 2010, DOI: 10.1039/C0EE00151A

Richard Compton (Oxford University) has performed clean and efficient electrolysis of formic acid, which is a promising compound for hydrogen storage and generation.

The electrocatalytic oxidation of formic acid was observed in the eutectic mixtures, and bulk electrolysis at platinum electrodes demonstrated electrolysis of the formic acid to form H2 and CO2.

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Photovoltaic device performance – the hare and the tortoise…

photovoltaicRead this ‘HOT’ article by James Durrant (Imperial College London) and colleagues, where they study the injection efficiencies and photovoltaic device performances for two different phthalocyanine sensitisers in solar cells.

Zn(II) versus Ru(II) phthalocyanine-sensitised solar cells. A comparison between singlet and triplet electron injectors
Andrea Listorti, Ismael López-Duarte, M. Victoria Martínez-Díaz, Tomás Torres, Tracy DosSantos, Piers R. F. Barnes and James R. Durrant
Energy Environ. Sci., 2010, DOI: 10.1039/C0EE00083C

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Ultracapacitor electrodes – minireview

Read this HOT’ Minireview by Rodney S. Ruoff and Meryl D. Stoller where they review and validate best practice test methods that accurately predict a material’s performance:

Best practice methods for determining an electrode material’s performance for ultracapacitors
Meryl D. Stoller and Rodney S. Ruoff
Energy Environ. Sci., 2010, DOI: 10.1039/C0EE00074D

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