Studying the electrochemical response to emulated photovoltaic electrochemical constrains of Li-ion electrode materials at the lab-scale

► In this we study the electrochemical response to photovoltaic electrochemical constrains of Li-ion electrode materials at the lab-scale. ► Through two reference batteries we simulate Li-ion battery storage for renewable power sources: here the photovoltaic source. ► At the end of the test, after a...

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Bibliographic Details
Published in:Journal of power sources 2011-10, Vol.196 (20), p.8688-8691
Main Authors: Goemaere, Loïc, Soares, Adrien, Ionica-Bousquet, Costana M., Thiaux, Yaël, Stievano, Lorenzo, Glaize, Christian, Monconduit, Laure
Format: Article
Language:English
Subjects:
Anode materials
Applied sciences
Charge transfer
Charging
Chemical Sciences
Discharge
Electrical engineering. Electrical power engineering
Electrode materials
Energy
Equipments, installations and applications
Exact sciences and technology
Li-ion cells
Lithium titanates
Material chemistry
Materials
Natural energy
Photovoltaic cells
Photovoltaic conversion
Photovoltaic systems
Power sources
Solar cells
Solar energy
Spinel
Stores
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Summary:► In this we study the electrochemical response to photovoltaic electrochemical constrains of Li-ion electrode materials at the lab-scale. ► Through two reference batteries we simulate Li-ion battery storage for renewable power sources: here the photovoltaic source. ► At the end of the test, after about 250 cycles, the two tested batteries provide the same capacity and energetic efficiency of about 2.2mAh and 90%, respectively. As part of a research project on new lithium-ion secondary cells to store energy from renewable power sources, this work reports on the development of a new methodology for a laboratory-scale study of electrode materials for these cells under the specific constraints of photovoltaic charging. A first example is that of a cell containing the spinel anode Li4Ti5O12, charging under different solar irradiation regimes. This material is well suited to applications under discontinuous charge/discharge conditions. At the end of the test, after about 250 cycles, the two cells tested provide the same capacity and energetic efficiency of about 2.2mAh and 90%, respectively.
ISSN:0378-7753
1873-2755
DOI:10.1016/j.jpowsour.2011.06.004