Showing papers in "Journal of Power Sources in 2010"

TL;DR: In this article, the authors present the present status of lithium battery technology, then focus on its near future development and finally examine important new directions aimed at achieving quantum jumps in energy and power content.

TL;DR: In this paper, the performance characteristics of transition metal oxides based on the α-NaFeO 2, spinel and olivine structures have been compared and approaches for improving their performances have been proposed.

TL;DR: A comprehensive survey of conduction phenomena in all components of a Li-ion cell incorporating theoretical, experimental, and simulation studies is presented in this paper, where the critical results, issues and challenges with respect to ionic and electronic conduction in the cathode, anode and electrolyte are discussed.

TL;DR: In this paper, the carbon materials used for electrochemical capacitors were reviewed and discussed the contribution of the surfaces owing to micropores and other larger pores to the capacitance and rate performance of the electric double-layer capacitors.

TL;DR: In this paper, a comparison of the conductivities of solid-electrolyte materials being used or developed for use in lithium-ion batteries is presented, where inorganic ceramic and organic polymer solid electrolytes are reviewed.

TL;DR: The faster kinetics of the alcohol oxidation and oxygen reduction reactions in ADAFCs, opening up the possibility of using less expensive metal catalysts, such as silver, nickel and palladium, makes the ADAFC a potentially low cost technology compared to acid direct alcohol fuel cell technology, which employs platinum catalysts.

TL;DR: In this article, the effects of combined driving and vehicle-to-grid (V2G) usage on the lifetime performance of relevant commercial Li-ion cells were studied, and a nominal realistic driving schedule was derived based on aggregating driving survey data and the Urban Dynamometer Driving Schedule, and used a vehicle physics model to create a daily battery duty cycle.

TL;DR: In this article, a lumped-parameter thermal model of a cylindrical LiFePO 4 /graphite lithium-ion battery is developed, where a thermocouple is introduced into the battery under inert atmosphere.

TL;DR: In this paper, in situ measurements of stress evolution in a silicon thin-film electrode during electrochemical lithiation and delithiation by using the multi-beam optical sensor (MOS) technique are reported.

TL;DR: Graphene nanosheet/carbon nanotube/polyaniline (GNS/CNT/PANI) composite is synthesized via in situ polymerization as mentioned in this paper.

TL;DR: In this paper, the authors present a review of the air cathode fabrication and fabrication of air cathodes for alkali zinc-air fuel cells (ZAFCs), one of the few successfully commercialized fuel cells.

TL;DR: In this paper, a review of the attempts performed thus far to mitigate the issues associated with the use of ferritic stainless steels on the cathode side is presented, including conductive/protective coatings, surface treatments and modifications as well as alloy development.

TL;DR: In this paper, the authors examined the potential economic implications of using vehicle batteries to store grid electricity generated at off-peak hours for off-vehicle use during peak hours and found that the maximum annual profit with perfect market information and no battery degradation cost ranged from ∼US$140 to $250 in three U.S. cities.

TL;DR: A comprehensive review on materials of electrodes and electrolytes for the Na-beta alumina batteries and discusses the challenges ahead for further technology improvement can be found in this paper, where the authors also discuss the challenges that hinders broad applications and market penetration of the technologies.

TL;DR: In this article, three different treatment methods are examined for enhancing power generation of carbon fiber brushes: acid soaking, heating and a combination of both processes (CF-AH), and the combined heat and acid treatment improve power production to 1370mWm−2, which is 34% larger than the untreated control.

TL;DR: In this paper, a review of the development of high voltage spinel LiNi 0.5 Mn 1.5 O 4 cathode material is presented, including its synthesis, structural characterization, effect of doping, and effect of coating.

TL;DR: In this paper, two-electrode sandwich type supercapacitor cells containing 1 M H2SO4 were used to construct sugar cane bagasse carbons with ZnCl2 activation.

TL;DR: In this article, carbon-based micro-supercapacitors dedicated to energy storage in self-powered modules were fabricated with inkjet printing technology on silicon substrate, where an ink was first prepared by mixing an activated carbon powder with a PTFE polymer binder in ethylene glycol stabilized with a surfactant.

TL;DR: In this paper, the electrochemical capacitance behavior of the self-supported binderless nanowire array electrode is investigated by cyclic voltammetry, galvanostatic charge-discharge test and electrochemical impedance spectroscopy.

TL;DR: A review of metal-supported solid oxide fuel cells can be found in this article, where the current state of the art is discussed and the potential for further development is discussed, as well as opportunities for further research.

TL;DR: In this paper, the advantages of both single-layer graphene and highly graphitic carbon were reported as a durable alternative support material for Pt nanoparticles for oxygen reduction in fuel cells.

TL;DR: In this article, a carbon-supported PdNi catalysts for the ethanol oxidation reaction in alkaline direct ethanol fuel cells are successfully synthesized by the simultaneous reduction method using NaBH4 as reductant.

TL;DR: In this article, first-principles calculations for both amorphous and crystalline phases observed during lithiation of Si anodes were performed and the anisotropic elastic tensors as well as the homogenized Young's, shear, and bulk moduli and the Poisson's ratios were analyzed.

TL;DR: In this paper, the authors measured the diffusion coefficients of vanadium ions across Nafion 115 (Dupont) in a vanadium redox flow battery (VRFB) and found that the diffusion coefficient was in the order of V(2+ > VO(2+) >VO(2)(+) > V(3+).

TL;DR: In this article, the three-dimensional microstructure of an SOFC anode is quantified using a dual beam focused ion beam scanning electron microscopy (FIB-SEM) system equipped with an energy dispersive X-ray spectroscopy (EDX) unit.

TL;DR: Li et al. as discussed by the authors proposed an electrolyte-catalyst "two-phase reaction zone" model for catalytic reduction of oxygen in carbon air electrode, which showed that the best case for electrolyte filling is that the air electrode is completely wetted while still remaining sufficient pores for fast diffusion of gaseous oxygen.

TL;DR: MnO powder materials are investigated as anode active materials for Li-ion batteries in this paper, where a layer of the solid electrolyte interphase with a thickness of 20-60nm is covered on MnO particles after full insertion.

TL;DR: In this article, a review of different concepts/strategies for SOFC-based integration systems, which are timely transformational energy-related technologies available to overcome the threats posed by climate change and energy security, is presented.

TL;DR: In this article, properties of capacitors working with the same carbon electrodes (activated carbon cloth) and three types of electrolytes: aqueous, organic and ionic liquids were compared.

TL;DR: Li 1+ x (Ni 1/3 Mn1/3 Co 1/ 3 Co O 2 ) 1− x O 2 layered materials were synthesized by the co-precipitation method with different Li/M molar ratios as discussed by the authors.