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In hydrogen fuel cells, the two sides of the graphite bipolar plate are in contact with the membrane electrodes of the anode and cathode respectively, playing the role of supporting the membrane electrode structure, separating hydrogen and oxygen, collecting electrons, and conducting heat. It is also responsible for transporting hydrogen, oxygen and water, and is responsible for conducting electricity and dissipating heat to prevent hydrogen and oxygen in the battery gas chamber from communicating with each other. The performance of the graphite bipolar plate directly affects the range, power performance and safety of hydrogen fuel cell vehicles.
It is widely used in electrochemical industry, power industry, metallurgical industry and other fields. Especially in fuel cells, graphite bipolar plates are one of the core components, playing important roles such as supporting membrane electrodes, providing fluid channels, separating gases, collecting electrons and conducting heat.
The advantages of graphite bipolar plates mainly include high conductivity, strong corrosion resistance, good sealing and long life.
1. Graphite bipolar plates have high conductivity and can effectively transfer electrons to support electrochemical reactions.
2. Strong corrosion resistance can resist corrosion in electrochemical reactions, thereby extending the service life of the battery.
3. Graphite bipolar plates also have good sealing, which can ensure that the reaction gas inside the battery is evenly distributed and keep the temperature of the battery stack evenly distributed to achieve heat dissipation.
4. The long life characteristics of graphite bipolar plates mean that it can maintain stable performance over long periods of use, reduce replacement frequency, and reduce maintenance costs
Brand | Bulk density（g/cm3） | Electrical resistivity(Ω） | Flexural strength（MPa） | Compressive strength(MPa) | Rockwell hardness (HRB) | Shore hardness (HS) | Porosity (％) | Recommended temperature（℃） | Main use |
L.T SG-03H | ≥1.95 | ≤12 | ≥55 | ≥75 | ≥110 | ≥41 | ≤0.2 | ≤180 | Hydrogen and oxygen fuel cells |
L.T SG-03HTJ | ≥1.95 | ≤12 | ≥55 | ≥75 | ≥110 | ≥41 | ≤0.2 | ≤180 | Hydrophobic fuel cell |
L.T SG-03HJ | ≥1.95 | ≤15 | ≥60 | ≥85 | ≥120 | ≥50 | ≤0.2 | ≤180 | High temperture resistant fuel cell |
L.T SG-03HK | ≥1.95 | ≤15 | ≥60 | ≥85 | ≥120 | ≥50 | ≤0.2 | ≤180 | Corrosion-resistant fuel cells |
L.T SG-03HET | ≥1.95 | ≤15 | ≥60 | ≥85 | ≥110 | ≥40 | ≤0.2 | ≤180 | Methanol ethanol fuel cell |
In hydrogen fuel cells, the two sides of the graphite bipolar plate are in contact with the membrane electrodes of the anode and cathode respectively, playing the role of supporting the membrane electrode structure, separating hydrogen and oxygen, collecting electrons, and conducting heat. It is also responsible for transporting hydrogen, oxygen and water, and is responsible for conducting electricity and dissipating heat to prevent hydrogen and oxygen in the battery gas chamber from communicating with each other. The performance of the graphite bipolar plate directly affects the range, power performance and safety of hydrogen fuel cell vehicles.
It is widely used in electrochemical industry, power industry, metallurgical industry and other fields. Especially in fuel cells, graphite bipolar plates are one of the core components, playing important roles such as supporting membrane electrodes, providing fluid channels, separating gases, collecting electrons and conducting heat.
The advantages of graphite bipolar plates mainly include high conductivity, strong corrosion resistance, good sealing and long life.
1. Graphite bipolar plates have high conductivity and can effectively transfer electrons to support electrochemical reactions.
2. Strong corrosion resistance can resist corrosion in electrochemical reactions, thereby extending the service life of the battery.
3. Graphite bipolar plates also have good sealing, which can ensure that the reaction gas inside the battery is evenly distributed and keep the temperature of the battery stack evenly distributed to achieve heat dissipation.
4. The long life characteristics of graphite bipolar plates mean that it can maintain stable performance over long periods of use, reduce replacement frequency, and reduce maintenance costs
Brand | Bulk density（g/cm3） | Electrical resistivity(Ω） | Flexural strength（MPa） | Compressive strength(MPa) | Rockwell hardness (HRB) | Shore hardness (HS) | Porosity (％) | Recommended temperature（℃） | Main use |
L.T SG-03H | ≥1.95 | ≤12 | ≥55 | ≥75 | ≥110 | ≥41 | ≤0.2 | ≤180 | Hydrogen and oxygen fuel cells |
L.T SG-03HTJ | ≥1.95 | ≤12 | ≥55 | ≥75 | ≥110 | ≥41 | ≤0.2 | ≤180 | Hydrophobic fuel cell |
L.T SG-03HJ | ≥1.95 | ≤15 | ≥60 | ≥85 | ≥120 | ≥50 | ≤0.2 | ≤180 | High temperture resistant fuel cell |
L.T SG-03HK | ≥1.95 | ≤15 | ≥60 | ≥85 | ≥120 | ≥50 | ≤0.2 | ≤180 | Corrosion-resistant fuel cells |
L.T SG-03HET | ≥1.95 | ≤15 | ≥60 | ≥85 | ≥110 | ≥40 | ≤0.2 | ≤180 | Methanol ethanol fuel cell |
