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US 10,381,642 B2Granted
Anode for high-energy batteries
AssigneeHydro-Quebec
InventorsKarim Zaghib, Dominic Leblanc, Abdelbast Guerfi, Julie Trottier, Patrick Charest
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Abstract
Anode comprising an anode material, a protective material and a current collector is provided. The anode material is a mixture comprising an active material, at least one electronically conductive agent and at least one binder. The active material may be an alloy of silicon and lithium or an alloy of silicon oxide and lithium. There is provided a process for the preparation of the anode. Also, there is provided use of the anode in the fabrication of a battery.
Claims14
An anode comprising:
- a layer of an anode material,
- a layer of a protective material, and
- a current collector,
- wherein the anode material is a mixture comprising:
- an active material,
- at least one electronically conductive agent, and
- a binder, and
- wherein the active material is an alloy of silicon and lithium or the active material comprises silicon oxide and lithium,
- wherein the binder in the anode material is a polymer,
- wherein, in the anode material, the active material and the at least one electronically conductive agent are in the form of particles in the binder,
- wherein the anode material comprises, in mass:
- 80-95% of the active material, 1-10% of the electronically active conductive agent, and 2-20% of the binder,
- wherein the protective material comprises:
- at least one electronically conductive agent, and
- a binder.
12 more elements
An anode comprising:
- a layer of an anode material,
- a layer of a protective material, and
- a current collector,
- wherein the anode material is a mixture comprising:
- an active material,
- at least one electronically conductive agent, and
- a binder, and
- wherein the protective material comprises:
- at least one electronically conductive agent, and
- a binder, and
- wherein, in the protective material, the at least one electronically conductive agent is in the form of particles in the binder,
- wherein the protective material comprises, in mass:
- 1-20% of the electronically conductive agent and 80-99% of the binder.
10 more elements
Dependencies are inferred from the claim text.