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Dive into the research topics where David Lepage is active.

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Featured researches published by David Lepage.


Chemical Science | 2013

Ultrafast charging of LiFePO4 with gaseous oxidants under ambient conditions

Christian Kuss; David Lepage; Guoxian Liang; Steen B. Schougaard

Lithium iron phosphate is a lithium-ion battery positive electrode material with widespread use, as well as, unusually complex redox chemistry. Here we report on the discovery of a direct gas–solid delithiation reaction. Unique to this reaction, in addition to the lack of solvent, is remarkably fast kinetics. In situ X-ray diffraction, corroborated by elemental analysis, shows for the first time that LiFePO4 bulk diffusion supports nearly complete delithiation/charging of carbon coated LiFePO4 micropowder at ambient temperature in less than 60 seconds.


Angewandte Chemie | 2011

A Soft Chemistry Approach to Coating of LiFePO4 with a Conducting Polymer

David Lepage; Christophe Michot; Guoxian Liang; Michel Gauthier; Steen B. Schougaard


Journal of Power Sources | 2013

Conductive polymer film supporting LiFePO4 as composite cathode for lithium ion batteries

Ngoc Duc Trinh; Mathieu Saulnier; David Lepage; Steen B. Schougaard


Journal of Power Sources | 2014

Delithiation kinetics study of carbon coated and carbon free LiFePO4

David Lepage; F. Sobh; Christian Kuss; Guoxian Liang; Steen B. Schougaard


Electrochimica Acta | 2015

Interpreting Lithium Batteries Discharge Curves for Easy Identification of the Origin of Performance Limitations

Renaud Cornut; David Lepage; Steen B. Schougaard


Archive | 2010

Process to induce polymerization of an organic electronically conductive polymer

Steen B. Schougaard; Michel Gauthier; Christian Kuss; David Lepage; Guoxian Liang; Christophe Michot


17th International Meeting on Lithium Batteries (June 10-14, 2014) | 2014

Solution Based Methods for Fast Determination of Lithium Insertion/Extraction Kinetics

Steen B. Schougaard; Christian Kuss; David Lepage; Ngoc Duc Trinh; Guoxian Liang


223rd ECS Meeting (May 12-17, 2013) | 2013

Formation In Situ of Free Standing PEDOT-LiFePO 4 Composite Film for Lithium-Ion Batteries

Ngoc Duc Trinh; Mathieu Saulnier; David Lepage; Steen B. Schougaard


223rd ECS Meeting (May 12-17, 2013) | 2013

On the Lithium Insertion/Extraction Process LiFePO4

David Lepage; Ngoc Duc Trinh; Christian Kuss; Guoxian Liang; Michel Gauthier; Steen B. Schougaard


Meeting Abstracts | 2011

Origin of Sharp Decrease of Potential during Discharge in Lithium-Ion Batteries

Renaud Cornut; David Lepage; Steen B. Schougaard

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Steen B. Schougaard

Université du Québec à Montréal

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Michel Gauthier

Université du Québec à Montréal

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Christian Kuss

Université du Québec à Montréal

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Ngoc Duc Trinh

Université du Québec à Montréal

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Mathieu Saulnier

Université du Québec à Montréal

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Renaud Cornut

Université du Québec à Montréal

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F. Sobh

Université du Québec à Montréal

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