A kind of preparation method of aluminum oxide composite nickel cobalt lithium manganese oxide ternary material
A technology of composite nickel-cobalt lithium manganese oxide and ternary materials, which is applied in the preparation of nickel-cobalt lithium manganese oxide ternary positive electrode materials and the preparation of alumina composite nickel-cobalt lithium manganese oxide ternary materials, which can solve the problem of long coating cycle , uneven dispersion and other issues, to achieve the effects of short preparation cycle, improved rate performance, and reduced impedance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment A
[0034] The nickel salt, cobalt salt and manganese salt of this embodiment all use its acetate, the aluminum salt used for coating is aluminum nitrate, the precipitating agent is sodium hydroxide, and the complexing agent is ammonia water. Proceed as follows:
[0035] (1) According to the molar ratio of nickel, cobalt, and manganese as 1:1:1, weigh the acetate of nickel, cobalt, and manganese into a conical flask, add 80ml of distilled water, shake to dissolve, and prepare solution A.
[0036] (2) According to the molar ratio of (Ni+Co+Mn):NaOH=1:2.5, weigh the precipitating agent sodium hydroxide into another Erlenmeyer flask, add 50ml of distilled water to prepare solution B.
[0037] (3) Place a three-neck round bottom flask equipped with a mechanical stirrer and a constant pressure dropping funnel in a 60°C constant temperature water bath, add 5% sodium dodecylbenzenesulfonate solution to the flask, and turn the stirrer speed to Adjust to 300r / min, and replace the air in t...
Embodiment B
[0043] The nickel salt of the present embodiment, cobalt salt, manganese salt all adopt its sulfate. The aluminum source used for coating is aluminum acetate, the precipitating agent is sodium carbonate, and the complexing agent is ammonia water. Proceed as follows:
[0044] (1) According to the molar ratio of nickel, cobalt and manganese of 1.1:1.4:1, weigh the sulfate salt of nickel, cobalt and manganese into a conical flask, add 80ml of distilled water, shake to dissolve, and prepare solution A.
[0045] (2) Press (Ni+Co+Mn): Na 2 CO 3 =1:4 molar ratio, weigh the precipitating agent sodium carbonate into another conical flask, add 50ml of distilled water to prepare solution B.
[0046] (3) Place a three-necked round-bottom flask equipped with a mechanical stirrer and a constant-pressure dropping funnel in a constant temperature water bath at 60°C, add 10% sodium dodecylbenzenesulfonate solution into the flask, and turn the stirrer speed to Adjust to 400r / min, and replac...
Embodiment C
[0052] The nickel salt, cobalt salt, and manganese salt of the present embodiment all adopt its nitrate. The aluminum source used for coating is aluminum sulfate, the precipitation agent is ammonium bicarbonate, and the complexing agent is ammonia water. Proceed as follows:
[0053] (1) According to the molar ratio of nickel, cobalt, and manganese as 1.5:1.8:1, weigh the nitrate of nickel, cobalt, and manganese into a conical flask, add 80ml of distilled water, shake to dissolve, and prepare solution A.
[0054] (2) According to (Ni+Co+Mn): NH 4 HCO 3 =1:6.5 molar ratio, weigh the precipitating agent ammonium bicarbonate into another conical flask, add 50ml of distilled water to prepare solution B.
[0055] (3) Place a three-necked round-bottomed flask equipped with a mechanical stirrer and a constant pressure dropping funnel in a constant temperature water bath at 60°C, add 6% sodium lauryl sulfate solution into the flask, and adjust the stirrer speed to 500r / min, use nit...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com