Electrode and electrode material comprising sulfur-limonene polysulfide for lithium-sulfur batteries
AssigneeMax-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
InventorsFeixiang Wu, Yan Yu, Joachim Maier
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Abstract
The present invention relates to an electrode material comprising at least one sulfur-limonene sulfide component or a composite of the sulfur-limonene sulfide component with a first conductive component; electrodes, in particular cathodes, containing the electrode material; half-cells, cells, and batteries containing the electrodes; and processes for obtaining the electrode material, the electrode, the half-cell, the cell, and the battery comprising electrode material and/or electrodes of the present invention.
Claims20
An electrode comprising:
- an electrode material, the electrode material comprising at least one of:
- a sulfur-limonene sulfide component and a composite of the sulfur-limonene sulfide component with a first conductive component,
- and wherein the electrode material is applied to a current collector.
A process for preparing a composite of a sulfur-limonene polysulfide (SLP) with a first conductive component, comprising the following process steps:
- providing a sulfur-limonene polysulfide (SLP) and a first conductive component:
- contacting the sulfur-limonene polysulfide (SLP) with the first conductive component at an elevated temperature from 100° C. for 3 to 5 hours, and
- obtaining the composite of the sulfur-limonene polysulfide (SLP) with the first conductive component.
A process for preparing an electrode material, comprising the following steps:
- providing at least one of a sulfur-limonene sulfide component, and a composite of the sulfur-limonene sulfide component with the first conductive component, with at least one of the second conductive material and the binder, in a weight ratio of (80 to 90):(1 to 10):(5 to 15), and
- obtaining the electrode material.
Dependencies are inferred from the claim text.