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Hermetic Seal Technology, Inc.
2150 Schappelle Lane
Cincinnati, OH 45240
Phone: 513.851.4899
Fax: 513.851.4817
sales@hermeticsealtech.com
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Lithium Battery Seals


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Hermetic Seal Technology (HST) has been setting the standards for custom glass-to-metal seals, especially lithium battery seals, since 1994. We have specially formulated Lithium corrosion resistant glass to greatly reduce corrosion and to isolate lithium electrolytes, such as lithium / manganese dioxide (LiMnO2), lithium / sulfur dioxide (Li/SO2), and lithium / thionyl chloride (Li/SOCl2) in lithium-ion batteries, from foreign agents. HST lithium battery seals can withstand corrosive chemicals, electrical variations, as well as extreme temperatures to give your battery a long shelf life.

For high performance lithium batteries, we fabricate reliable hermetic seals from high-conductivity pin materials, exotic alloys and"both standard and custom formulated lithium battery glasses. We specialize in consistently processing lithium compatible glass materials including Cabal 12, TA-23, and Babal. Sealing hermetic glass to stainless steels or pure metals such as titanium and molybdenum, is our specialty.

Our extensive sealing and welding capabilities enable us to seal into an eyelet, seal directly into the battery lid, or even hermetically weld the eyelet into the lid. We specially design eyelets that can be either resistance-welded or laser welded into the battery lid. With in-house hermeticity testing capabilities, HST performs 100% leak checks on all parts to guarantee that the seal is hermetic to better than 1 x 10-8 cc/sec helium.






Specifications

Types of Lithium-ion Battery Systems

Lithium / Iodine
Lithium / Manganese Dioxide (LiMnO2)

Lithium / Molybdenum Disulfide

Lithium / Thionyl Chloride (Li/SOCl2) Lithium / Sulfur Dioxide (Li/SO2)

Applications

  • Oil Exploration and Down Hole monitoring
  • Lithium Systems in Communication Systems, Torpedoes, and Missiles
  • Medical Lithium Battery Applications for Implantable Defibrillators, Pacemakers, Neurostimulators, and Drug Infusion Systems
  • Lithium Batteries in Consumption Meters, Memory Back-up, Portable Diagnostic Equipment, and Emergency Locator Transmitters
  • Body Materials

    Mild Steel
    Stainless Steel

    Titanium

    Pin Materials

    52 Alloy
    Copper Core 446 or 52 alloy

    Molybdenum

    Platinum-Iridium

    Stainless Steel

    Titanium

    Other Materials Available Upon Request

    Glass Materials

    Babal
    Cabal 12 and other low silica glass

    Corning 9010

    Corning 9013

    HST Custom Lithium Corrosion Resistant Glass

    TA-23

    Other Borosilicate, Barium Alkali, and Soda-Lime glass

    Capabilities

    Brazing
    Glass Formulation

    Glass Sealing

    Resistance Welding

    Testing

    Hermeticity Testing (100 % leak tests are performed on all seals)
    Hypot (High Voltage) Testing / Breakdown Voltage

    Insulation Resistance Testing (Isolation)

    Outsourced Services

    Electrochemical Corrosion Testing
    Glass Smelting

    Humidity Testing

    Laser Welding

    Machining

    Plating

    Salt Spray Testing

    Stamping

    Hermeticity

    1 x 10-8 cc/sec helium leak rate

    Production Capability

  • We have the ability to handle orders from ten parts to millions of parts
  • We can also do sample parts
  • HST can help you with free hermetic seal design and development to insurance you have a reliable and robust glass to metal seal
  • Glass-to-Metal Seal Advantages

  • Withstands corrosive chemicals, extreme temperature, electrical current, and pressure variations
  • Ensures long life of the battery
  • Hermetic seals isolate lithium batteries from foreign contaminants
  • Our specially formulated glass materials have high corrosion resistance and molecular adhesion properties
  • Our "Clean- Seal" technology ensures the high quality of glass-to-metal parts that are free from oxidation and chemical residue that can effect welding and material corrosion resistance
  • Industries Served

    Aerospace
    Automotive

    Electronic

    Healthcare

    Medical

    Military

    Oil Exploration

    Sensor

    Companies Using HST Seals

    Halliburton
    Schlumberger

    Quality Control

    ISO Compliant


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