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US 2026/0221493 A1Published application
Macromonomer and solid-state polymer electrolyte
AssigneeEvonik Operations GmbH
InventorsJan Blankenburg, Christos Sarigiannidis, Frauke Henning, Sebastian Bestgen, Thorben Schütz, Frank Schubert
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Abstract
The invention provides a macromonomer, an electrolyte precursor composition comprising the macromonomer, a method to prepare a solid-polymer electrolyte, a solid-polymer electrolyte, a solid-state lithium secondary battery, an electrochemical device and a device.
Claims20
A macromonomer, which is represented by the following general formula (I):
- wherein R1 represents methyl or H;
- wherein z is a repeating number of an ethylene glycol spacer and represents 0, 1, 2, or 3;
- R2 represents methyl or a C2-C10 aliphatic or aromatic group;
- n represents a positive integer from 10 to 200;
- n defines a degree of a polymerization of a random copolymer with a ratio of comonomers x and y;
- and
- y=1%-40%, x=1-y.
4 more elements
Dependencies are inferred from the claim text.