Tin/Lithium Oxide Composite Thin Film, Its Preparation and Uses Thereof
AssigneeTaiwan Textile Research Institute
InventorsWen-Hsien HO, Shiow-Kang YEN, Ching-Fei LI
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Abstract
A method for electrochemically producing a tin/lithium oxide composite thin film includes forming the tin/lithium oxide composite thin film on a conductive substrate in a solution under suitable conditions. The solution includes about 10−3 M to about 10−2 M lithium nitrate and about 10−4 M to about 10−3 M stannic chloride or stannous chloride.
Claims16
An electrochemical method for manufacturing a tin/lithium oxide composite thin film, comprising:
- providing a solution comprising about 10−3 M to about 10−2 M lithium nitrate and about 10−4 M to about 10−3 M stannic chloride or stannous chloride;
- electrodepositing the tin/lithium oxide composite thin film on a conductive substrate under a condition where a reference electrode of Ag/AgCl and a voltage of about 900-1500 mV are used;
- and
- drying the tin/lithium oxide composite thin film at a temperature of about 15-40° C. and a relative humidity of at least about 75%.
A tin/lithium oxide composite thin film, comprising a plurality of tin/lithium oxide composite particles, wherein each of the tin/lithium oxide composite particles comprises a plurality of tin crystal grains and a lithium oxide thin layer enveloping the tin crystal grains.
A cathode component of a lithium ion secondary battery, comprising:
- a conductive substrate;
- and
- a tin/lithium oxide composite thin film disposed on the conductive substrate, wherein the tin/lithium oxide composite thin film comprises a plurality of tin/lithium oxide composite particles, and each of the tin/lithium oxide composite particles comprises a plurality of tin crystal grains and a lithium oxide thin layer enveloping the tin crystal grains.
Dependencies are inferred from the claim text.