H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 10/0569 (2010.01) H01M 10/052 (2010.01) H01M 10/0566 (2010.01) H01M 10/058 (2010.01)
Patent
CA 2693692
Non-aqueous electrolyte solutions capable of protecting negative electrode materials such as lithium metal and carbonaceous materials in energy storage electrochemical cells (e.g., lithium metal batteries, lithium ion batteries and supercapacitors) include an electrolyte salt, a non-aqueous electrolyte solvent mixture, an unsaturated organic compound 4-methylene-1,3-dioxolan-2-one or 4,5- dimethylene-1,3-dioxolan-2-one, and other optional additives. The 1,3-dioxolan-2- ones help to form a good solid electrolyte interface on the negative electrode surface.
L'invention concerne des solutions électrolytiques non aqueuses capables de protéger des matériaux d'électrode négative tels qu'un métal lithium et des matières carbonées dans des piles de stockage d'énergie (par exemple des batteries au métal lithium, des batteries au lithium-ion et des supercondensateurs) qui comprennent un sel électrolytique, un mélange de solvant électrolytique non aqueux, un composé organique insaturé 4-méthylène-1,3-dioxolan-2-one ou 4,5-diméthylène-1,3-dioxolan-2-one et d'autres additifs facultatifs. Les 1,3-dioxolan-2-ones aident à former une bonne interface électrolytique solide sur la surface d'électrode négative.
Bolomey Pascal
Payne Martin W.
Xu Wu
Ferro Corporation
Moffat & Co.
Novolyte Technologies Inc.
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