Protective structures for electrodes
AssigneeSion Power Corporation
InventorsMarina M. Safont Sempere, Chariclea Scordilis-Kelley
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Abstract
A protective structure for use with metallic lithium (or other alkali or alkali earth metals) and its method of manufacture are provided. The protective structure may include a substantially continuous and substantially nonporous buffer layer disposed on the metallic lithium layer which is conductive to lithium ions. A substantially continuous and substantially nonporous protective layer may be disposed on the buffer layer.
Claims25
An electrode structure comprising:
- a metallic lithium layer;
- a substantially continuous and substantially nonporous buffer layer disposed on the metallic lithium layer, wherein the buffer layer is conductive to lithium ions;
- and
- a substantially continuous and substantially nonporous lithium nitride layer disposed on the buffer layer.
An electrode structure comprising:
- an electroactive material layer comprising an electroactive species;
- a substantially continuous and substantially nonporous buffer layer disposed on the electroactive material layer, wherein the buffer layer is conductive to the electroactive species;
- and
- a substantially continuous and substantially nonporous protective layer disposed on the buffer layer, wherein the protective layer is formed using a gas, a plasma, a material, or a fluid that is reactive with the electroactive material layer.
A method for forming an electrode structure, the method comprising:
- providing a metallic lithium layer;
- depositing a substantially continuous and substantially nonporous buffer layer onto the metallic lithium layer, wherein the buffer layer is conductive to lithium ions;
- and
- depositing a substantially continuous and substantially nonporous lithium nitride layer onto the buffer layer.
(canceled)
23-24. (canceled)
Dependencies are inferred from the claim text.