ELECTRODE MATERIAL AND ENERGY STORAGE APPARATUS
First Claim
1. An electrode material for use in an electrical energy storage apparatus, comprising a fine-array porous material, wherein:
- the fine-array porous material comprises a plurality of pores, wherein the plurality of pores have a size of less than about 1000 μ
m;
the size of the plurality of pores is substantially uniform with a variation of less than about 20%; and
the fine-array porous material has a porosity of about 40-85%.
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Accused Products
Abstract
An electrode material includes a fine-array porous material. The fine-array porous material includes a plurality of pores having a substantially uniform size of <1000 μm, with a variation of <20%, and comprises a metal such as Ni, Al, Ti, Sn and Mn. The metal fine-array porous electrode material can be surface-treated to form a metal oxide on the surface of the porous electrode material, or be coated with a metal oxide including RuO2, TaO. An electrical energy storage apparatus, such as a supercapacitor or a lithium battery, containing the fine-array porous electrode material can have significantly improved performances as compared with conventional materials.
6 Citations
20 Claims
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1. An electrode material for use in an electrical energy storage apparatus, comprising a fine-array porous material, wherein:
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the fine-array porous material comprises a plurality of pores, wherein the plurality of pores have a size of less than about 1000 μ
m;the size of the plurality of pores is substantially uniform with a variation of less than about 20%; and the fine-array porous material has a porosity of about 40-85%. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An energy storage apparatus comprising an electrode including a fine-array porous material, wherein:
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the fine-array porous material comprises a plurality of pores, wherein the plurality of pores have a size of less than about 1000 μ
m;the size of the plurality of pores is substantially uniform with a variation of less than about 20%; and the fine-array porous material has a porosity of about 40-85%. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of fabricating an electrode material for an energy storage apparatus, the method comprising:
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3-D printing a fine-array porous material including a plurality of pores, wherein; the plurality of pores have a size of less than about 1000 μ
m;the size of the plurality of pores is substantially uniform with a variation of less than about 20%; and the fine-array porous material has a porosity of about 40-85%.
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Specification