Certification for Flexible and Strong Bonding Battery Electrode Binder Detection
Brand Name:null
Certification:Battery auxiliary material detection
Model Number:null
Place of Origin:null
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Location:
Shenzhen China
Address:
101, 201 Building A and 301 Building C, Juji Industrial Park, Yabianxueziwei Shajing Street, Baoan District, Shenzhen, 518000, China
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within 20 hours
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Product Details
Battery auxiliary material detection
Test background
Electrode binder is one of the important auxiliary functional
materials in lithium-ion batteries. Although it has no capacity and
accounts for a small proportion in the battery, it is the main
source of the mechanical properties of the entire electrode and has
an important impact on the production process of the electrode and
the electrochemical properties of the battery.
Lithium-ion battery binder is a polymer compound whose main
function is to connect the electrode active material, conductive
agent and electrode current collector to make them have overall
connectivity, thereby reducing the impedance of the electrode and
making the electrode sheet have good mechanical properties and
processability.
Requirements for battery electrode binders
An ideal lithium-ion battery electrode binder should have the
following properties:
● Good solubility, fast dissolution speed, and high solubility;
● Safe, environmentally friendly, and non-toxic solvents, with
water being the best solvent;
● Large molecular weight and small amount of binder;
● Moderate viscosity, easy to homogenize and maintain slurry
stability;
● Strong bonding force, and high peeling strength of the prepared
electrode;
● Stable electrochemical properties, no redox reaction within the
working voltage;
● Resistant to electrolyte corrosion;
● With a certain degree of flexibility, it can withstand the
bending of the electrode and the volume change of the active
material particles;
● Good conductivity and lithium ion conductivity;
● Wide source and low cost.
Detection range
Auxiliary materials positive and negative electrode binders,
conductive carbon black, conductive agent, thickener, etc.
Test items
The main items are: viscosity, pH, impurity metal elements, purity.
Test equipment
The equipment related to the detection and analysis of lithium
battery raw materials includes:
Main equipment:
Scanning electron microscope (SEM-EDX)
X-ray diffractometer (XRD)
High-frequency infrared carbon and sulfur tester
Inductively coupled plasma emission spectrometer (ICP-OES)
Inductively coupled plasma mass spectrometer (ICP-MS)
Ion chromatograph (IC)
Gas/liquid chromatography-mass spectrometer (GC-MS)
Fourier transform infrared spectrometer (FTIR)
High performance liquid chromatograph (HPLC)
Thermogravimetric analyzer (TGA)
Differential scanning calorimeter (DSC)
Other equipment:
Specific surface area tester
True density meter
Bulk density meter
Laser particle size analyzer
Conductivity meter
Automatic potentiometric titrator
PH meter
Powder compaction density meter
Certification for Flexible and Strong Bonding Battery Electrode Binder Detection
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