A kind of preparation method and application of hierarchical structure cathode material for lithium ion battery
A lithium-ion battery, hierarchical structure technology, applied in battery electrodes, positive electrodes, structural parts, etc., can solve the problems of not meeting the power supply requirements of advanced electronic equipment, unable to take advantage of LiCl modification, and unsatisfactory discharge performance. Polarization phenomenon, regular micro-morphology, uniform size effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0043] A graded structure positive electrode material for lithium ion batteries, the chemical formula is LiNi in particular 0.8 Co 0.19 Al 0.01 O 1.90 Cl 0.1 The microscopic morphology is a microsphere formed by stacking at least 10 single-layer nanosheets, and the preparation method specifically includes the following steps:
[0044] ①Weighing: Weigh lithium nitrate, nickel nitrate, cobalt nitrate, aluminum nitrate and lithium chloride in total 100g according to the molecular formula according to the stoichiometric ratio;
[0045] ②Water mixing: Add 1000g of distilled water to the stirrer with lithium nitrate, nickel nitrate, cobalt nitrate, and aluminum nitrate weighed in step ①, and stir evenly at a rotating speed of 80r / min, until a clear solution is obtained, that is, an aqueous solution for use;
[0046] ③Mixing of molten salt: Put LiCl in a ceramic container and heat it to a clear liquid A at 620°C; then pour the aqueous solution obtained in step ② into a ceramic co...
Embodiment 2
[0051] A graded structure positive electrode material for lithium ion batteries, the chemical formula is LiNi in particular 0.37 Co 0.6 Al 0.03 O 1.95 Cl 0.05 The microscopic morphology is a microsphere formed by stacking at least 10 single-layer nanosheets, and the preparation method specifically includes the following steps:
[0052] ①Weighing: Weigh lithium nitrate, nickel nitrate, cobalt nitrate, aluminum nitrate and lithium chloride in total 500g according to the molecular formula according to the stoichiometric ratio;
[0053] ②Water mixing: Add 3500g of ultrapure water to the stirrer with lithium nitrate, nickel nitrate, cobalt nitrate and aluminum nitrate weighed in step ①, and stir evenly at a speed of 180r / min until a clear solution is obtained, that is, an aqueous solution is obtained spare;
[0054] ③Mixing of molten salt: put LiCl in a ceramic container and heat it to a clear liquid A at 670°C; then pour the aqueous solution obtained in step ② into a ceramic ...
Embodiment 3
[0059] A graded structure positive electrode material for lithium ion batteries, the chemical formula is LiNi in particular 0.35 Co 0.6 Al 0.05 O 1.9 Cl 0.1 The microscopic morphology is a microsphere formed by stacking at least 10 single-layer nanosheets, and the preparation method specifically includes the following steps:
[0060] ①Weighing: Weigh 500g of lithium nitrate, nickel nitrate hexahydrate, cobalt nitrate hexahydrate, aluminum nitrate nonahydrate and lithium chloride in total according to the molecular formula and stoichiometric ratio.
[0061] ②Water mixing: Add 1500g of distilled water to a stirrer with lithium nitrate, nickel nitrate hexahydrate, cobalt nitrate, and aluminum nitrate weighed in step ①, and stir evenly at 200 r / min until a clear solution is obtained, that is, an aqueous solution is obtained for later use ;
[0062] ③Mixing of molten salt: put LiCl in a ceramic container and heat it to a clear liquid A at 670°C; then pour the aqueous solution ...
PUM
Property | Measurement | Unit |
---|---|---|
thickness | aaaaa | aaaaa |
particle size | aaaaa | aaaaa |
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