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Dive into the research topics where Naoko Ellis is active.

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Featured researches published by Naoko Ellis.


Journal of Applied Electrochemistry | 2014

Electrosorption on activated biochar: effect of thermo-chemical activation treatment on the electric double layer capacitance

Amir Mehdi Dehkhoda; Naoko Ellis; El}od L. Gyenge

Biochar, a by-product of woody biomass pyrolysis, is investigated as a renewable and low-cost carbon-based electrode material for electric double layer (EDL) applications. To increase the surface area and porosity of the biochar chemical (7xa0M KOH) and thermal (at 675 and 1,000xa0°C, respectively) activation treatments are applied. The thermo-chemically activated biochar samples are investigated by a combination of physico-chemical surface characterization and electrochemical methods to reveal the relationship between the activation process variables, the resulting porous carbon structural features and EDL capacitance. For electrochemical testing, the activated biochar is sprayed onto Ni mesh current collectors with or without Nafion® as binder. Based on cyclic voltammetry experiments in 0.1xa0M NaCl–0.1xa0M NaOH a maximum EDL capacitance of 167xa0Fxa0g−1 is obtained for the activated biochar electrode prepared at 675xa0°C. The latter capacitance is about 50 times higher than the EDL capacitance of a Vulcan XC-72 electrode prepared and tested under identical conditions. The activated biochar electrodes show also promising galvanostatic charge/discharge behavior and electrical conductivities up to 0.058xa0Sxa0cm−1 indicating suitability for EDL-type applications.


Fuel | 2014

Fuel characterization and co-pyrolysis kinetics of biomass and fossil fuels

Mohammad S. Masnadi; Rozita Habibi; Jan Kopyscinski; Josephine M. Hill; Xiaotao Bi; C. Jim Lim; Naoko Ellis; John R. Grace


Chemical Engineering Journal | 2015

Mineral matter interactions during co-pyrolysis of coal and biomass and their impact on intrinsic char co-gasification reactivity

Naoko Ellis; Mohammad S. Masnadi; Daniel G. Roberts; Mark Kochanek; Alexander Y. Ilyushechkin


Catalysis Today | 2013

Biochar-based catalyst for simultaneous reactions of esterification and transesterification

Amir Mehdi Dehkhoda; Naoko Ellis


Fuel | 2012

An experimental investigation of biodiesel synthesis from waste canola oil using supercritical methanol

Soojin Lee; Dusko Posarac; Naoko Ellis


Chemical Engineering Science | 2015

Investigation of particle velocity in FCC gas-fluidized beds based on different measurement techniques

Sina Tebianian; Kristian L. Dubrawski; Naoko Ellis; Ray Cocco; Roy Hays; S.B. Reddy Karri; Thomas Leadbeater; D.J. Parker; Jamal Chaouki; Rouzbeh Jafari; Pablo García-Triñanes; Jonathan Seville; John R. Grace


Powder Technology | 2014

CO2 sorbent attrition testing for fluidized bed systems

A. Knight; Naoko Ellis; John R. Grace; C.J. Lim


Chemical Engineering & Technology | 2011

Aging and Thermal Stability of the Mixed Product of the Ether‐Soluble Fraction of Bio‐Oil and Bio‐Diesel

Xiaoxiang Jiang; Zhaoping Zhong; Naoko Ellis; Quan Wang


Biomass & Bioenergy | 2013

Use of hydroisomerization to reduce the cloud point of saturated fatty acids and methyl esters used in biodiesel production.

Stephen J. Reaume; Naoko Ellis


Canadian Journal of Chemical Engineering | 2013

Spouting Characteristics of SPF Wood Pellets

J. V. H. Haddou; Naoko Ellis; X. Bi; Norman Epstein

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John R. Grace

University of British Columbia

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Amir Mehdi Dehkhoda

University of British Columbia

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Mohammad S. Masnadi

University of British Columbia

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A. Knight

University of British Columbia

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C. Jim Lim

University of British Columbia

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C.J. Lim

University of British Columbia

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Dusko Posarac

University of British Columbia

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El}od L. Gyenge

University of British Columbia

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J. V. H. Haddou

University of British Columbia

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Jamal Chaouki

École Polytechnique de Montréal

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