Stabilized aqueous anode composition

An aqueous anode composition T, comprising:

• at least one rheological agent R comprising at least one water-soluble, non-ionic urethane polymer P prepared by polymerisation reaction:
• a) of at least one isocyanate compound (a) independently chosen among a diisocyanate compound (a1), a polyisocyanate compound (a2) and combinations thereof;
• b) of at least one compound (b) of formula I:
• wherein:
• R independently represents a group chosen among a straight C4-C40-alkyl group, a branched C4-C40-alkyl group, a C5-C40-cycloalkyl group, a straight C4-C40-alkenyl group, a branched C4-C40-alkenyl group, a C5-C40-cycloalkenyl group, a C5-C40-aryl group and combinations thereof,
• X independently represents an alkoxylated group chosen among oxyethylene, oxypropylene, oxybutylene and combinations thereof,
• n represents 0 or a number ranging from 1 to 500;
• and
• c) of at least one polyhydroxylated and polyalkoxylated compound (c);
• at least one material E chosen among metal fibres, metal particles, carbon graphite fibres, carbon graphite particles, silicon particles and combinations thereof;
• and
• at least one binding agent L of the material E chosen among a polymer L1 in the form of a water-insoluble latex, a water-soluble polymer L2 and combinations thereof.