Evaluation method for gram volume of graphite cathode material
A graphite negative electrode and evaluation method technology, which is applied in the direction of material electrochemical variables, can solve the problems of absolute value test failure, inability to compare different materials, and the influence of lithium-ion capacity button battery assembly conditions, etc., to improve efficiency and simplify experiments conditional effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0031] Cyclic voltammetry test conditions: the scanning voltage range is 0V to 2V, and the scanning rate is 0.3mV / s.
[0032] Button battery assembly: commercial button battery assembly CR2430, including bottom cover, gasket, spring leaf, top cover.
[0033] Graphite negative electrode sheet: prepared by coating graphite negative electrode sample 1, sample 2, and sample 3 on copper foil.
[0034] Diaphragm: polyethylene diaphragm
[0035] Table 1
[0036]
[0037] Test results, as shown in Table 2:
[0038] Table 2
[0039] Graphite material sample
Embodiment 2
[0041] Cyclic voltammetry test conditions: the scanning voltage range is 0V to 2V, and the scanning rate is 0.2mV / s
[0042] Button battery assembly: commercial button battery assembly CR2430, including bottom cover, gasket, spring leaf, top cover.
[0043] Graphite negative electrode sheet: prepared by coating graphite negative electrode sample 1, sample 2, and sample 4 on copper foil respectively.
[0044] Diaphragm: Polypropylene diaphragm
[0045] table 3
[0046]
[0047] Test results, as shown in Table 4:
[0048] Graphite material sample
Embodiment 3
[0050] Cyclic voltammetry test conditions: the scanning voltage range is 0V to 1.5V, and the scanning rate is 0.3mV / s
[0051] Button battery assembly: commercial button battery assembly CR2430, including bottom cover, gasket, spring leaf, top cover.
[0052] Graphite negative electrode sheet: prepared by coating graphite negative electrode sample 1, sample 2, and sample 3 on copper foil.
[0053] Diaphragm: polyethylene diaphragm
[0054] table 5
[0055]
[0056] Table 6
[0057] Graphite material sample
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