Components for high performance

Power engineering
– Mobile energy storage

POWER ENGINEERING // POWER GENERATION // POWER TRANSPORT // STATIONARY ENERGY STORAGE // MOBILE ENERGY STORAGE // RENEWABLE ENERGY

The electrolytes used in button cells and in other primary batteries too are often highly abrasive and corrosive. They are generally shaped into cylindrical form with a uniaxial pressing process and then further processed to primary cells. The pressing process therefore requires dies that achieve a long lifetime in operation in direct contact with the electrolyte material.

An oxide ceramic material that has proven effective for decades is ZrO2 of the type Mg-PSZ. Selected application-specific technical data of such a material type are listed in the following.

  • Purity: ≥99,5 %
  • Density: >98 % of the theoretical value
  • Mean bending strength: 500 MPa
  • Mean compressive strength: 2 000 MPa
  • Modulus of elasticity: 200 GPa
  • High edge strength
  • High resistance to abrasion
  • High resistance to corrosion
  • High geometric and topographic precision

Realization of form-force and form-fit joints with metals such as steel, Fe-Ni- and Fe-Ni-Co alloys.

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